Add FoldLayout

2026-04-05 22:41:26 +08:00 · 2022-03-21 15:19:38 +08:00
parent f25eb0f831
commit 6992c37f0c
77 changed files with 1806 additions and 0 deletions
--- a/.gitignore
+++ b/.gitignore
@@ -0,0 +1,41 @@
+/captures
+.cxx
+# built application files
+/build
+*.apk
+*.ap_
+.externalNativeBuild
+
+# files for the dex VM
+*.dex
+
+# Java class files
+*.class
+
+# Local configuration files (sdk path, etc)
+local.properties
+
+# Mac .DS_Store files
+.DS_Store
+
+# Proguard README
+proguard-project.txt
+
+# Android Studio and Gradle specific entries
+.gradle
+*.iml
+build
+
+# android sdk captures folder
+captures
+
+# ignore lint html and xml output
+lint-*ml
+
+
+/.idea/caches
+/.idea/libraries
+/.idea/modules.xml
+/.idea/workspace.xml
+/.idea/navEditor.xml
+/.idea/assetWizardSettings.xml
--- a/.idea/.gitignore
+++ b/.idea/.gitignore
@@ -0,0 +1,3 @@
+# Default ignored files
+/shelf/
+/workspace.xml
--- a/.idea/.name
+++ b/.idea/.name
@@ -0,0 +1 @@
+Oxygen Toolbox
--- a/.idea/compiler.xml
+++ b/.idea/compiler.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="CompilerConfiguration">
+    <bytecodeTargetLevel target="11" />
+  </component>
+</project>
--- a/.idea/deploymentTargetDropDown.xml
+++ b/.idea/deploymentTargetDropDown.xml
@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="deploymentTargetDropDown">
+    <runningDeviceTargetSelectedWithDropDown>
+      <Target>
+        <type value="RUNNING_DEVICE_TARGET" />
+        <deviceKey>
+          <Key>
+            <type value="VIRTUAL_DEVICE_PATH" />
+            <value value="G:\Android\Avd\Pixel_4_API_31.avd" />
+          </Key>
+        </deviceKey>
+      </Target>
+    </runningDeviceTargetSelectedWithDropDown>
+    <timeTargetWasSelectedWithDropDown value="2022-03-21T07:15:31.638451100Z" />
+  </component>
+</project>
--- a/.idea/gradle.xml
+++ b/.idea/gradle.xml
@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="GradleSettings">
+    <option name="linkedExternalProjectsSettings">
+      <GradleProjectSettings>
+        <option name="testRunner" value="GRADLE" />
+        <option name="distributionType" value="DEFAULT_WRAPPED" />
+        <option name="externalProjectPath" value="$PROJECT_DIR$" />
+        <option name="modules">
+          <set>
+            <option value="$PROJECT_DIR$" />
+            <option value="$PROJECT_DIR$/app" />
+          </set>
+        </option>
+        <option name="resolveModulePerSourceSet" value="false" />
+      </GradleProjectSettings>
+    </option>
+  </component>
+</project>
--- a/.idea/jarRepositories.xml
+++ b/.idea/jarRepositories.xml
@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="RemoteRepositoriesConfiguration">
+    <remote-repository>
+      <option name="id" value="central" />
+      <option name="name" value="Maven Central repository" />
+      <option name="url" value="https://repo1.maven.org/maven2" />
+    </remote-repository>
+    <remote-repository>
+      <option name="id" value="jboss.community" />
+      <option name="name" value="JBoss Community repository" />
+      <option name="url" value="https://repository.jboss.org/nexus/content/repositories/public/" />
+    </remote-repository>
+    <remote-repository>
+      <option name="id" value="BintrayJCenter" />
+      <option name="name" value="BintrayJCenter" />
+      <option name="url" value="https://jcenter.bintray.com/" />
+    </remote-repository>
+    <remote-repository>
+      <option name="id" value="Google" />
+      <option name="name" value="Google" />
+      <option name="url" value="https://dl.google.com/dl/android/maven2/" />
+    </remote-repository>
+  </component>
+</project>
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -0,0 +1,42 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="DesignSurface">
+    <option name="filePathToZoomLevelMap">
+      <map>
+        <entry key="..\:/.workspace-android/Project-ToolBox/OxygenToolbox/app/src/main/res/drawable-v24/ic_launcher_foreground.xml" value="0.11944444444444445" />
+        <entry key="..\:/.workspace-android/Project-ToolBox/OxygenToolbox/app/src/main/res/drawable/bottom_radius_background.xml" value="0.11944444444444445" />
+        <entry key="..\:/.workspace-android/Project-ToolBox/OxygenToolbox/app/src/main/res/drawable/down_to_right_arrow.xml" value="0.11944444444444445" />
+        <entry key="..\:/.workspace-android/Project-ToolBox/OxygenToolbox/app/src/main/res/drawable/ic_launcher_background.xml" value="0.11944444444444445" />
+        <entry key="..\:/.workspace-android/Project-ToolBox/OxygenToolbox/app/src/main/res/drawable/ic_menu_camera.xml" value="0.11944444444444445" />
+        <entry key="..\:/.workspace-android/Project-ToolBox/OxygenToolbox/app/src/main/res/drawable/ic_menu_gallery.xml" value="0.11944444444444445" />
+        <entry key="..\:/.workspace-android/Project-ToolBox/OxygenToolbox/app/src/main/res/drawable/ic_menu_slideshow.xml" value="0.11944444444444445" />
+        <entry key="..\:/.workspace-android/Project-ToolBox/OxygenToolbox/app/src/main/res/drawable/item_bg.xml" value="0.11944444444444445" />
+        <entry key="..\:/.workspace-android/Project-ToolBox/OxygenToolbox/app/src/main/res/drawable/item_divider.xml" value="0.11944444444444445" />
+        <entry key="..\:/.workspace-android/Project-ToolBox/OxygenToolbox/app/src/main/res/drawable/right_to_down_arrow.xml" value="0.11944444444444445" />
+        <entry key="..\:/.workspace-android/Project-ToolBox/OxygenToolbox/app/src/main/res/drawable/side_nav_bar.xml" value="0.11944444444444445" />
+        <entry key="..\:/.workspace-android/Project-ToolBox/OxygenToolbox/app/src/main/res/drawable/tools_icon.xml" value="0.11944444444444445" />
+        <entry key="..\:/.workspace-android/Project-ToolBox/OxygenToolbox/app/src/main/res/drawable/top_bottom_radius_background.xml" value="0.11944444444444445" />
+        <entry key="..\:/.workspace-android/Project-ToolBox/OxygenToolbox/app/src/main/res/drawable/top_radius_background.xml" value="0.11944444444444445" />
+        <entry key="..\:/.workspace-android/Project-ToolBox/OxygenToolbox/app/src/main/res/layout/activity_main.xml" value="0.1" />
+        <entry key="..\:/.workspace-android/Project-ToolBox/OxygenToolbox/app/src/main/res/layout/app_bar_main.xml" value="0.1" />
+        <entry key="..\:/.workspace-android/Project-ToolBox/OxygenToolbox/app/src/main/res/layout/content_main.xml" value="0.14990942028985507" />
+        <entry key="..\:/.workspace-android/Project-ToolBox/OxygenToolbox/app/src/main/res/layout/fold_layout.xml" value="0.1" />
+        <entry key="..\:/.workspace-android/Project-ToolBox/OxygenToolbox/app/src/main/res/layout/fragment_gallery.xml" value="0.1" />
+        <entry key="..\:/.workspace-android/Project-ToolBox/OxygenToolbox/app/src/main/res/layout/fragment_home.xml" value="0.1" />
+        <entry key="..\:/.workspace-android/Project-ToolBox/OxygenToolbox/app/src/main/res/layout/fragment_slideshow.xml" value="0.1" />
+        <entry key="..\:/.workspace-android/Project-ToolBox/OxygenToolbox/app/src/main/res/layout/layout_item.xml" value="0.1" />
+        <entry key="..\:/.workspace-android/Project-ToolBox/OxygenToolbox/app/src/main/res/layout/nav_header_main.xml" value="0.1" />
+        <entry key="..\:/.workspace-android/Project-ToolBox/OxygenToolbox/app/src/main/res/menu/activity_main_drawer.xml" value="0.1" />
+        <entry key="..\:/.workspace-android/Project-ToolBox/OxygenToolbox/app/src/main/res/menu/main.xml" value="0.1" />
+        <entry key="..\:/.workspace-android/Project-ToolBox/OxygenToolbox/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml" value="0.11944444444444445" />
+        <entry key="..\:/.workspace-android/Project-ToolBox/OxygenToolbox/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml" value="0.11944444444444445" />
+      </map>
+    </option>
+  </component>
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_11" project-jdk-name="1.8" project-jdk-type="JavaSDK">
+    <output url="file://$PROJECT_DIR$/build/classes" />
+  </component>
+  <component name="ProjectType">
+    <option name="id" value="Android" />
+  </component>
+</project>
--- a/.idea/vcs.xml
+++ b/.idea/vcs.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="" vcs="Git" />
+  </component>
+</project>
--- a/app/.gitignore
+++ b/app/.gitignore
@@ -0,0 +1 @@
+/build
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -0,0 +1,43 @@
+plugins {
+    id 'com.android.application'
+}
+
+android {
+    compileSdkVersion 30
+    buildToolsVersion "30.0.2"
+
+    defaultConfig {
+        applicationId "com.fatapp.oxygentoolbox"
+        minSdkVersion 21
+        targetSdkVersion 30
+        versionCode 1
+        versionName "1.0"
+
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+    }
+
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+        }
+    }
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
+}
+
+dependencies {
+
+    implementation 'androidx.appcompat:appcompat:1.1.0'
+    implementation 'com.google.android.material:material:1.1.0'
+    implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
+    implementation 'androidx.navigation:navigation-fragment:2.2.2'
+    implementation 'androidx.navigation:navigation-ui:2.2.2'
+    implementation 'androidx.lifecycle:lifecycle-livedata-ktx:2.2.0'
+    implementation 'androidx.lifecycle:lifecycle-viewmodel-ktx:2.2.0'
+    testImplementation 'junit:junit:4.+'
+    androidTestImplementation 'androidx.test.ext:junit:1.1.1'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0'
+}
--- a/app/proguard-rules.pro
+++ b/app/proguard-rules.pro
@@ -0,0 +1,21 @@
+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile
--- a/app/src/androidTest/java/com/fatapp/oxygentoolbox/ExampleInstrumentedTest.java
+++ b/app/src/androidTest/java/com/fatapp/oxygentoolbox/ExampleInstrumentedTest.java
@@ -0,0 +1,26 @@
+package com.fatapp.oxygentoolbox;
+
+import android.content.Context;
+
+import androidx.test.platform.app.InstrumentationRegistry;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import static org.junit.Assert.*;
+
+/**
+ * Instrumented test, which will execute on an Android device.
+ *
+ * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
+ */
+@RunWith(AndroidJUnit4.class)
+public class ExampleInstrumentedTest {
+    @Test
+    public void useAppContext() {
+        // Context of the app under test.
+        Context appContext = InstrumentationRegistry.getInstrumentation().getTargetContext();
+        assertEquals("com.fatapp.oxygentoolbox", appContext.getPackageName());
+    }
+}
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -0,0 +1,27 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.fatapp.oxygentoolbox">
+
+    <application
+        android:allowBackup="true"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:roundIcon="@mipmap/ic_launcher_round"
+        android:supportsRtl="true"
+        android:theme="@style/Theme.OxygenToolbox">
+        <activity
+            android:name=".MainActivity"
+            android:label="@string/app_name"
+            android:theme="@style/Theme.OxygenToolbox.NoActionBar">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+            <meta-data
+                android:name="android.app.shortcuts"
+                android:resource="@xml/shortcuts" />
+        </activity>
+    </application>
+
+</manifest>
--- a/app/src/main/java/com/fatapp/oxygentoolbox/MainActivity.java
+++ b/app/src/main/java/com/fatapp/oxygentoolbox/MainActivity.java
@@ -0,0 +1,78 @@
+package com.fatapp.oxygentoolbox;
+
+import android.os.Bundle;
+import android.view.Menu;
+import android.view.View;
+
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.appcompat.widget.Toolbar;
+import androidx.drawerlayout.widget.DrawerLayout;
+import androidx.navigation.NavController;
+import androidx.navigation.Navigation;
+import androidx.navigation.ui.AppBarConfiguration;
+import androidx.navigation.ui.NavigationUI;
+
+import com.fatapp.oxygentoolbox.layout.FoldLayout;
+import com.google.android.material.floatingactionbutton.FloatingActionButton;
+import com.google.android.material.navigation.NavigationView;
+import com.google.android.material.snackbar.Snackbar;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class MainActivity extends AppCompatActivity {
+
+    private AppBarConfiguration mAppBarConfiguration;
+    private FoldLayout foldLayout;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_main);
+        Toolbar toolbar = findViewById(R.id.toolbar);
+        setSupportActionBar(toolbar);
+        FloatingActionButton fab = findViewById(R.id.fab);
+        fab.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View view) {
+                Snackbar.make(view, "Replace with your own action", Snackbar.LENGTH_LONG)
+                        .setAction("Action", null).show();
+            }
+        });
+        DrawerLayout drawer = findViewById(R.id.drawer_layout);
+        NavigationView navigationView = findViewById(R.id.nav_view);
+        // Passing each menu ID as a set of Ids because each
+        // menu should be considered as top level destinations.
+        mAppBarConfiguration = new AppBarConfiguration.Builder(
+                R.id.nav_home, R.id.nav_gallery, R.id.nav_slideshow)
+                .setDrawerLayout(drawer)
+                .build();
+        NavController navController = Navigation.findNavController(this, R.id.nav_host_fragment);
+        NavigationUI.setupActionBarWithNavController(this, navController, mAppBarConfiguration);
+        NavigationUI.setupWithNavController(navigationView, navController);
+    }
+
+    @Override
+    public boolean onCreateOptionsMenu(Menu menu) {
+        // Inflate the menu; this adds items to the action bar if it is present.
+        getMenuInflater().inflate(R.menu.main, menu);
+        return true;
+    }
+
+    @Override
+    public boolean onSupportNavigateUp() {
+        NavController navController = Navigation.findNavController(this, R.id.nav_host_fragment);
+        return NavigationUI.navigateUp(navController, mAppBarConfiguration)
+                || super.onSupportNavigateUp();
+    }
+
+    public void initView() {
+        foldLayout = (FoldLayout) findViewById(R.id.foldLayout);
+
+        List<View> viewList = new ArrayList<>();
+
+        viewList.add(getLayoutInflater().inflate(R.layout.layout_item, null));
+
+        foldLayout.addItemView(viewList);
+    }
+}
--- a/app/src/main/java/com/fatapp/oxygentoolbox/layout/FoldLayout.java
+++ b/app/src/main/java/com/fatapp/oxygentoolbox/layout/FoldLayout.java
@@ -0,0 +1,174 @@
+package com.fatapp.oxygentoolbox.layout;
+
+import android.animation.Animator;
+import android.animation.AnimatorListenerAdapter;
+import android.animation.ValueAnimator;
+import android.annotation.SuppressLint;
+import android.content.Context;
+import android.content.res.TypedArray;
+import android.graphics.drawable.AnimatedVectorDrawable;
+import android.util.AttributeSet;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.ImageView;
+import android.widget.LinearLayout;
+
+import com.fatapp.oxygentoolbox.R;
+
+import java.util.List;
+
+public class FoldLayout extends LinearLayout implements View.OnClickListener{
+
+    private boolean init;
+    private final int layoutId;
+    private boolean isShow;
+    private LinearLayout content;
+    private ValueAnimator showAnimator;
+    private ValueAnimator hideAnimator;
+    private View defaultView;
+
+    private OnItemClickListener mOnItemClickListener;
+
+    public FoldLayout(Context context) {
+        this(context, null);
+    }
+
+    public FoldLayout(Context context, AttributeSet attrs) {
+        this(context, attrs, 0);
+    }
+
+    public FoldLayout(Context context, AttributeSet attrs, int defStyleAttr) {
+        super(context, attrs, defStyleAttr);
+        @SuppressLint("Recycle") TypedArray ta = context.obtainStyledAttributes(attrs,R.styleable.FoldLayout,defStyleAttr,0);
+        layoutId = ta.getResourceId(R.styleable.FoldLayout_layoutId,-1);
+        init(context);
+    }
+
+    private void init(Context context) {
+        setOrientation(VERTICAL);
+        addDefaultLayout(context);
+    }
+
+    /**
+     * Init
+     */
+    private void addDefaultLayout(Context context) {
+
+        defaultView = LayoutInflater.from(context).inflate(layoutId, this,true);
+        defaultView.setOnClickListener(this);
+        content = new LinearLayout(context);
+        LayoutParams layoutParams = new LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT,
+                ViewGroup.LayoutParams.WRAP_CONTENT);
+        /*content.setShowDividers(SHOW_DIVIDER_BEGINNING|SHOW_DIVIDER_MIDDLE);
+        content.setDividerDrawable(ContextCompat.getDrawable(context,R.drawable.item_divider));*/
+        content.setOrientation(VERTICAL);
+        addView(content,layoutParams);
+    }
+
+    @Override
+    public void onClick(View v) {
+        if(isShow) {
+            hideItem();
+        } else {
+            showItem();
+        }
+    }
+
+    @Override
+    protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
+        super.onMeasure(widthMeasureSpec, heightMeasureSpec);
+        initAnimation();
+    }
+
+    /**
+     * Animation
+     */
+    private void initAnimation() {
+
+        int contentHeight = content.getMeasuredHeight();
+        if(!init) {
+            showAnimator = ValueAnimator.ofInt(0, contentHeight);
+            showAnimator.addUpdateListener(animation -> {
+                LayoutParams layoutParams = (LayoutParams) content.getLayoutParams();
+                layoutParams.height = (int) animation.getAnimatedValue();
+                content.setLayoutParams(layoutParams);
+            });
+            showAnimator.addListener(new AnimatorListenerAdapter() {
+                @Override
+                public void onAnimationStart(Animator animation) {
+                    super.onAnimationStart(animation);
+                    LinearLayout linearLayout = defaultView.findViewById(R.id.foldLayoutLinearLayout);
+                    linearLayout.setBackground(getResources().getDrawable(R.drawable.top_radius_background));
+                }
+            });
+
+            hideAnimator = ValueAnimator.ofInt(contentHeight,0);
+            hideAnimator.addUpdateListener(animation -> {
+                LayoutParams layoutParams = (LayoutParams) content.getLayoutParams();
+                layoutParams.height = (int) animation.getAnimatedValue();
+                content.setLayoutParams(layoutParams);
+            });
+            hideAnimator.addListener(new AnimatorListenerAdapter() {
+                @Override
+                public void onAnimationEnd(Animator animation) {
+                    super.onAnimationEnd(animation);
+                    LinearLayout linearLayout = defaultView.findViewById(R.id.foldLayoutLinearLayout);
+                    linearLayout.setBackground(getResources().getDrawable(R.drawable.top_bottom_radius_background));
+                }
+            });
+            init = true;
+            hide();
+        }
+    }
+
+    /**
+     * Add Item
+     */
+    public void addItemView(List<View> views) {
+        for (int i = 0; i < views.size(); i++) {
+            final int position = i;
+            content.addView(views.get(i));
+            views.get(i).setOnClickListener(v -> {
+                if(null != mOnItemClickListener) {
+                    mOnItemClickListener.onItemClick(v,position);
+                }
+            });
+        }
+    }
+
+    /**
+     * Auto hide
+     */
+    public void hide() {
+        LayoutParams layoutParams = (LayoutParams) content.getLayoutParams();
+        layoutParams.height = 0;
+        content.setLayoutParams(layoutParams);
+    }
+
+    public void showItem() {
+        isShow = true;
+        showAnimator.start();
+        ImageView imageView = defaultView.findViewById(R.id.arrowIcon);
+        imageView.setImageDrawable(getResources().getDrawable(R.drawable.right_to_down_arrow));
+        AnimatedVectorDrawable animatedVectorDrawable = (AnimatedVectorDrawable) imageView.getDrawable();
+        animatedVectorDrawable.start();
+    }
+
+    public void hideItem() {
+        isShow = false;
+        hideAnimator.start();
+        ImageView imageView = defaultView.findViewById(R.id.arrowIcon);
+        imageView.setImageDrawable(getResources().getDrawable(R.drawable.down_to_right_arrow));
+        AnimatedVectorDrawable animatedVectorDrawable = (AnimatedVectorDrawable) imageView.getDrawable();
+        animatedVectorDrawable.start();
+    }
+
+    interface OnItemClickListener {
+        void onItemClick(View view,int position);
+    }
+
+    public void setOnItemClickListener(OnItemClickListener onItemClickListener) {
+        this.mOnItemClickListener = onItemClickListener;
+    }
+}
--- a/app/src/main/java/com/fatapp/oxygentoolbox/ui/gallery/GalleryFragment.java
+++ b/app/src/main/java/com/fatapp/oxygentoolbox/ui/gallery/GalleryFragment.java
@@ -0,0 +1,35 @@
+package com.fatapp.oxygentoolbox.ui.gallery;
+
+import android.os.Bundle;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.TextView;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.fragment.app.Fragment;
+import androidx.lifecycle.Observer;
+import androidx.lifecycle.ViewModelProvider;
+
+import com.fatapp.oxygentoolbox.R;
+
+public class GalleryFragment extends Fragment {
+
+    private GalleryViewModel galleryViewModel;
+
+    public View onCreateView(@NonNull LayoutInflater inflater,
+                             ViewGroup container, Bundle savedInstanceState) {
+        galleryViewModel =
+                new ViewModelProvider(this).get(GalleryViewModel.class);
+        View root = inflater.inflate(R.layout.fragment_gallery, container, false);
+        final TextView textView = root.findViewById(R.id.text_gallery);
+        galleryViewModel.getText().observe(getViewLifecycleOwner(), new Observer<String>() {
+            @Override
+            public void onChanged(@Nullable String s) {
+                textView.setText(s);
+            }
+        });
+        return root;
+    }
+}
--- a/app/src/main/java/com/fatapp/oxygentoolbox/ui/gallery/GalleryViewModel.java
+++ b/app/src/main/java/com/fatapp/oxygentoolbox/ui/gallery/GalleryViewModel.java
@@ -0,0 +1,19 @@
+package com.fatapp.oxygentoolbox.ui.gallery;
+
+import androidx.lifecycle.LiveData;
+import androidx.lifecycle.MutableLiveData;
+import androidx.lifecycle.ViewModel;
+
+public class GalleryViewModel extends ViewModel {
+
+    private MutableLiveData<String> mText;
+
+    public GalleryViewModel() {
+        mText = new MutableLiveData<>();
+        mText.setValue("This is gallery fragment");
+    }
+
+    public LiveData<String> getText() {
+        return mText;
+    }
+}
--- a/app/src/main/java/com/fatapp/oxygentoolbox/ui/home/HomeFragment.java
+++ b/app/src/main/java/com/fatapp/oxygentoolbox/ui/home/HomeFragment.java
@@ -0,0 +1,44 @@
+package com.fatapp.oxygentoolbox.ui.home;
+
+import android.os.Bundle;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+import androidx.annotation.NonNull;
+import androidx.fragment.app.Fragment;
+import androidx.lifecycle.ViewModelProvider;
+
+import com.fatapp.oxygentoolbox.R;
+import com.fatapp.oxygentoolbox.layout.FoldLayout;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class HomeFragment extends Fragment {
+
+    View root;
+
+    private HomeViewModel homeViewModel;
+
+    private FoldLayout foldLayout;
+
+    public View onCreateView(@NonNull LayoutInflater inflater,
+                             ViewGroup container, Bundle savedInstanceState) {
+        homeViewModel =
+                new ViewModelProvider(this).get(HomeViewModel.class);
+        root = inflater.inflate(R.layout.fragment_home, container, false);
+        initView();
+        return root;
+    }
+
+    private void initView() {
+        foldLayout = (FoldLayout) root.findViewById(R.id.foldLayout);
+
+        List<View> viewList = new ArrayList<>();
+
+        viewList.add(getLayoutInflater().inflate(R.layout.layout_item, null));
+
+        foldLayout.addItemView(viewList);
+    }
+}
--- a/app/src/main/java/com/fatapp/oxygentoolbox/ui/home/HomeViewModel.java
+++ b/app/src/main/java/com/fatapp/oxygentoolbox/ui/home/HomeViewModel.java
@@ -0,0 +1,19 @@
+package com.fatapp.oxygentoolbox.ui.home;
+
+import androidx.lifecycle.LiveData;
+import androidx.lifecycle.MutableLiveData;
+import androidx.lifecycle.ViewModel;
+
+public class HomeViewModel extends ViewModel {
+
+    private MutableLiveData<String> mText;
+
+    public HomeViewModel() {
+        mText = new MutableLiveData<>();
+        mText.setValue("This is home fragment");
+    }
+
+    public LiveData<String> getText() {
+        return mText;
+    }
+}
--- a/app/src/main/java/com/fatapp/oxygentoolbox/ui/slideshow/SlideshowFragment.java
+++ b/app/src/main/java/com/fatapp/oxygentoolbox/ui/slideshow/SlideshowFragment.java
@@ -0,0 +1,35 @@
+package com.fatapp.oxygentoolbox.ui.slideshow;
+
+import android.os.Bundle;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.TextView;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.fragment.app.Fragment;
+import androidx.lifecycle.Observer;
+import androidx.lifecycle.ViewModelProvider;
+
+import com.fatapp.oxygentoolbox.R;
+
+public class SlideshowFragment extends Fragment {
+
+    private SlideshowViewModel slideshowViewModel;
+
+    public View onCreateView(@NonNull LayoutInflater inflater,
+                             ViewGroup container, Bundle savedInstanceState) {
+        slideshowViewModel =
+                new ViewModelProvider(this).get(SlideshowViewModel.class);
+        View root = inflater.inflate(R.layout.fragment_slideshow, container, false);
+        final TextView textView = root.findViewById(R.id.text_slideshow);
+        slideshowViewModel.getText().observe(getViewLifecycleOwner(), new Observer<String>() {
+            @Override
+            public void onChanged(@Nullable String s) {
+                textView.setText(s);
+            }
+        });
+        return root;
+    }
+}
--- a/app/src/main/java/com/fatapp/oxygentoolbox/ui/slideshow/SlideshowViewModel.java
+++ b/app/src/main/java/com/fatapp/oxygentoolbox/ui/slideshow/SlideshowViewModel.java
@@ -0,0 +1,19 @@
+package com.fatapp.oxygentoolbox.ui.slideshow;
+
+import androidx.lifecycle.LiveData;
+import androidx.lifecycle.MutableLiveData;
+import androidx.lifecycle.ViewModel;
+
+public class SlideshowViewModel extends ViewModel {
+
+    private MutableLiveData<String> mText;
+
+    public SlideshowViewModel() {
+        mText = new MutableLiveData<>();
+        mText.setValue("This is slideshow fragment");
+    }
+
+    public LiveData<String> getText() {
+        return mText;
+    }
+}
--- a/app/src/main/res/drawable-v24/ic_launcher_foreground.xml
+++ b/app/src/main/res/drawable-v24/ic_launcher_foreground.xml
@@ -0,0 +1,30 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:aapt="http://schemas.android.com/aapt"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportWidth="108"
+    android:viewportHeight="108">
+    <path android:pathData="M31,63.928c0,0 6.4,-11 12.1,-13.1c7.2,-2.6 26,-1.4 26,-1.4l38.1,38.1L107,108.928l-32,-1L31,63.928z">
+        <aapt:attr name="android:fillColor">
+            <gradient
+                android:endX="85.84757"
+                android:endY="92.4963"
+                android:startX="42.9492"
+                android:startY="49.59793"
+                android:type="linear">
+                <item
+                    android:color="#44000000"
+                    android:offset="0.0" />
+                <item
+                    android:color="#00000000"
+                    android:offset="1.0" />
+            </gradient>
+        </aapt:attr>
+    </path>
+    <path
+        android:fillColor="#FFFFFF"
+        android:fillType="nonZero"
+        android:pathData="M65.3,45.828l3.8,-6.6c0.2,-0.4 0.1,-0.9 -0.3,-1.1c-0.4,-0.2 -0.9,-0.1 -1.1,0.3l-3.9,6.7c-6.3,-2.8 -13.4,-2.8 -19.7,0l-3.9,-6.7c-0.2,-0.4 -0.7,-0.5 -1.1,-0.3C38.8,38.328 38.7,38.828 38.9,39.228l3.8,6.6C36.2,49.428 31.7,56.028 31,63.928h46C76.3,56.028 71.8,49.428 65.3,45.828zM43.4,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2c-0.3,-0.7 -0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C45.3,56.528 44.5,57.328 43.4,57.328L43.4,57.328zM64.6,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2s-0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C66.5,56.528 65.6,57.328 64.6,57.328L64.6,57.328z"
+        android:strokeWidth="1"
+        android:strokeColor="#00000000" />
+</vector>
--- a/app/src/main/res/drawable/arrow.png
+++ b/app/src/main/res/drawable/arrow.png
--- a/app/src/main/res/drawable/bottom_radius_background.xml
+++ b/app/src/main/res/drawable/bottom_radius_background.xml
@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android">
+    <solid android:color="@color/design_default_color_background" />
+    <corners
+        android:bottomLeftRadius="10dp"
+        android:bottomRightRadius="10dp"/>
+</shape>
--- a/app/src/main/res/drawable/down_to_right_arrow.xml
+++ b/app/src/main/res/drawable/down_to_right_arrow.xml
@@ -0,0 +1,29 @@
+<animated-vector
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:aapt="http://schemas.android.com/aapt">
+    <aapt:attr name="android:drawable">
+        <vector
+            android:name="vector"
+            android:width="1026dp"
+            android:height="1024dp"
+            android:viewportWidth="1026"
+            android:viewportHeight="1024">
+            <path
+                android:name="path"
+                android:pathData="M 1008.02 276.637 C 983.509 254.352 945.634 256.617 923.35 278.864 L 513.35 720.056 L 103.351 278.826 C 81.067 254.315 43.18 254.315 18.668 276.599 C -5.843 298.883 -5.843 336.758 16.441 361.269 L 468.782 849.245 C 479.918 860.393 495.52 869.264 513.35 869.264 C 528.941 869.264 546.77 862.583 557.906 849.245 L 1010.247 361.269 C 1032.531 336.758 1032.531 298.883 1008.02 276.599 Z M 1008.02 276.637"
+                android:fillColor="#666666"
+                android:strokeWidth="1"/>
+        </vector>
+    </aapt:attr>
+    <target android:name="path">
+        <aapt:attr name="android:animation">
+            <objectAnimator
+                android:propertyName="pathData"
+                android:duration="300"
+                android:valueFrom="M 1008.02 276.637 C 983.509 254.352 945.634 256.617 923.35 278.864 L 513.35 720.056 L 103.351 278.826 C 81.067 254.315 43.18 254.315 18.668 276.599 C -5.843 298.883 -5.843 336.758 16.441 361.269 L 468.782 849.245 C 479.918 860.393 495.52 869.264 513.35 869.264 C 528.941 869.264 546.77 862.583 557.906 849.245 L 1010.247 361.269 C 1032.531 336.758 1032.531 298.883 1008.02 276.599 Z M 1008.02 276.637"
+                android:valueTo="M 13.25 15.29 C -4.56 34.88 -2.78 65.15 15 83 L 367.64 410.64 L 15 738.32 C -4.56 756.14 -4.56 786.41 13.25 806 C 31.06 825.59 61.33 825.59 80.92 807.78 L 470.92 446.26 C 479.83 437.36 486.92 424.89 486.92 410.64 C 486.92 398.18 481.58 383.93 470.92 375.03 L 80.92 13.51 C 61.33 -4.3 31.06 -4.3 13.25 15.29 Z M 13.25 15.29"
+                android:valueType="pathType"
+                android:interpolator="@android:interpolator/fast_out_slow_in"/>
+        </aapt:attr>
+    </target>
+</animated-vector>
--- a/app/src/main/res/drawable/ic_launcher_background.xml
+++ b/app/src/main/res/drawable/ic_launcher_background.xml
@@ -0,0 +1,170 @@
+<?xml version="1.0" encoding="utf-8"?>
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportWidth="108"
+    android:viewportHeight="108">
+    <path
+        android:fillColor="#3DDC84"
+        android:pathData="M0,0h108v108h-108z" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M9,0L9,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,0L19,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M29,0L29,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M39,0L39,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M49,0L49,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M59,0L59,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M69,0L69,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M79,0L79,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M89,0L89,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M99,0L99,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,9L108,9"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,19L108,19"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,29L108,29"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,39L108,39"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,49L108,49"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,59L108,59"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,69L108,69"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,79L108,79"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,89L108,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,99L108,99"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,29L89,29"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,39L89,39"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,49L89,49"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,59L89,59"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,69L89,69"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,79L89,79"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M29,19L29,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M39,19L39,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M49,19L49,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M59,19L59,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M69,19L69,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M79,19L79,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+</vector>
--- a/app/src/main/res/drawable/ic_menu_camera.xml
+++ b/app/src/main/res/drawable/ic_menu_camera.xml
@@ -0,0 +1,12 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24.0"
+    android:viewportHeight="24.0">
+    <path
+        android:fillColor="#FF000000"
+        android:pathData="M12,12m-3.2,0a3.2,3.2 0,1 1,6.4 0a3.2,3.2 0,1 1,-6.4 0" />
+    <path
+        android:fillColor="#FF000000"
+        android:pathData="M9,2L7.17,4H4c-1.1,0 -2,0.9 -2,2v12c0,1.1 0.9,2 2,2h16c1.1,0 2,-0.9 2,-2V6c0,-1.1 -0.9,-2 -2,-2h-3.17L15,2H9zm3,15c-2.76,0 -5,-2.24 -5,-5s2.24,-5 5,-5 5,2.24 5,5 -2.24,5 -5,5z" />
+</vector>
--- a/app/src/main/res/drawable/ic_menu_gallery.xml
+++ b/app/src/main/res/drawable/ic_menu_gallery.xml
@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24.0"
+    android:viewportHeight="24.0">
+    <path
+        android:fillColor="#FF000000"
+        android:pathData="M22,16V4c0,-1.1 -0.9,-2 -2,-2H8c-1.1,0 -2,0.9 -2,2v12c0,1.1 0.9,2 2,2h12c1.1,0 2,-0.9 2,-2zm-11,-4l2.03,2.71L16,11l4,5H8l3,-4zM2,6v14c0,1.1 0.9,2 2,2h14v-2H4V6H2z" />
+</vector>
--- a/app/src/main/res/drawable/ic_menu_slideshow.xml
+++ b/app/src/main/res/drawable/ic_menu_slideshow.xml
@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24.0"
+    android:viewportHeight="24.0">
+    <path
+        android:fillColor="#FF000000"
+        android:pathData="M4,6H2v14c0,1.1 0.9,2 2,2h14v-2H4V6zm16,-4H8c-1.1,0 -2,0.9 -2,2v12c0,1.1 0.9,2 2,2h12c1.1,0 2,-0.9 2,-2V4c0,-1.1 -0.9,-2 -2,-2zm-8,12.5v-9l6,4.5 -6,4.5z" />
+</vector>
--- a/app/src/main/res/drawable/item_bg.xml
+++ b/app/src/main/res/drawable/item_bg.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:state_pressed="false" android:drawable="@android:color/white"/>
+    <item android:state_pressed="true" android:drawable="@android:color/darker_gray"/>
+    <item  android:drawable="@android:color/white"/>
+</selector>
--- a/app/src/main/res/drawable/item_divider.xml
+++ b/app/src/main/res/drawable/item_divider.xml
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android" android:shape="rectangle">
+    <size android:width="1dp" android:height="1dp"/>
+    <solid android:color="#e1e1e1" />
+</shape>
--- a/app/src/main/res/drawable/love.png
+++ b/app/src/main/res/drawable/love.png
--- a/app/src/main/res/drawable/right_to_down_arrow.xml
+++ b/app/src/main/res/drawable/right_to_down_arrow.xml
@@ -0,0 +1,29 @@
+<animated-vector
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:aapt="http://schemas.android.com/aapt">
+    <aapt:attr name="android:drawable">
+        <vector
+            android:name="vector"
+            android:width="1026dp"
+            android:height="1024dp"
+            android:viewportWidth="1026"
+            android:viewportHeight="1024">
+            <path
+                android:name="path"
+                android:pathData="M 13.25 15.29 C -4.56 34.88 -2.78 65.15 15 83 L 367.64 410.64 L 15 738.32 C -4.56 756.14 -4.56 786.41 13.25 806 C 31.06 825.59 61.33 825.59 80.92 807.78 L 470.92 446.26 C 479.83 437.36 486.92 424.89 486.92 410.64 C 486.92 398.18 481.58 383.93 470.92 375.03 L 80.92 13.51 C 61.33 -4.3 31.06 -4.3 13.25 15.29 Z M 13.25 15.29"
+                android:fillColor="#666666"
+                android:strokeWidth="1"/>
+        </vector>
+    </aapt:attr>
+    <target android:name="path">
+        <aapt:attr name="android:animation">
+            <objectAnimator
+                android:propertyName="pathData"
+                android:duration="300"
+                android:valueFrom="M 13.25 15.29 C -4.56 34.88 -2.78 65.15 15 83 L 367.64 410.64 L 15 738.32 C -4.56 756.14 -4.56 786.41 13.25 806 C 31.06 825.59 61.33 825.59 80.92 807.78 L 470.92 446.26 C 479.83 437.36 486.92 424.89 486.92 410.64 C 486.92 398.18 481.58 383.93 470.92 375.03 L 80.92 13.51 C 61.33 -4.3 31.06 -4.3 13.25 15.29 Z M 13.25 15.29"
+                android:valueTo="M 1008.02 276.637 C 983.509 254.352 945.634 256.617 923.35 278.864 L 513.35 720.056 L 103.351 278.826 C 81.067 254.315 43.18 254.315 18.668 276.599 C -5.843 298.883 -5.843 336.758 16.441 361.269 L 468.782 849.245 C 479.918 860.393 495.52 869.264 513.35 869.264 C 528.941 869.264 546.77 862.583 557.906 849.245 L 1010.247 361.269 C 1032.531 336.758 1032.531 298.883 1008.02 276.599 Z M 1008.02 276.637"
+                android:valueType="pathType"
+                android:interpolator="@android:interpolator/fast_out_slow_in"/>
+        </aapt:attr>
+    </target>
+</animated-vector>
--- a/app/src/main/res/drawable/side_nav_bar.xml
+++ b/app/src/main/res/drawable/side_nav_bar.xml
@@ -0,0 +1,9 @@
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+    android:shape="rectangle">
+    <gradient
+        android:angle="135"
+        android:centerColor="#009688"
+        android:endColor="#00695C"
+        android:startColor="#4DB6AC"
+        android:type="linear" />
+</shape>
--- a/app/src/main/res/drawable/tools_icon.xml
+++ b/app/src/main/res/drawable/tools_icon.xml
@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="utf-8"?>
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="1024dp"
+    android:height="1024dp"
+    android:viewportWidth="1024"
+    android:viewportHeight="1024">
+
+    <path
+        android:fillColor="@color/purple_500"
+        android:pathData="M810.666667 942.933333c-34.133333 0-68.266667-12.8-93.866667-38.4l-234.666667-234.666666c-140.8 51.2-302.933333-12.8-371.2-153.6-38.4-81.066667-38.4-174.933333 0-256 4.266667-12.8 17.066667-21.333333 29.866667-25.6s25.6 0 38.4 12.8L315.733333 384H384V315.733333L247.466667 179.2c-8.533333-8.533333-12.8-21.333333-12.8-38.4 4.266667-12.8 12.8-25.6 25.6-29.866667 72.533333-34.133333 153.6-38.4 230.4-12.8s136.533333 81.066667 170.666666 153.6c34.133333 72.533333 38.4 153.6 12.8 230.4l234.666667 234.666667c51.2 51.2 51.2 136.533333 0 187.733333-29.866667 25.6-64 38.4-98.133333 38.4z m-320-366.933333c12.8 0 21.333333 4.266667 29.866666 12.8l256 256c17.066667 17.066667 51.2 17.066667 68.266667 0 8.533333-8.533333 12.8-21.333333 12.8-34.133333s-4.266667-25.6-12.8-34.133334l-256-256c-12.8-12.8-17.066667-34.133333-8.533333-46.933333 29.866667-59.733333 29.866667-123.733333 0-183.466667-25.6-51.2-68.266667-93.866667-119.466667-110.933333-34.133333-12.8-68.266667-17.066667-102.4-8.533333l98.133333 98.133333c8.533333 8.533333 12.8 17.066667 12.8 29.866667v128c0 25.6-17.066667 42.666667-42.666666 42.666666H298.666667c-12.8 0-21.333333-4.266667-29.866667-12.8L170.666667 358.4c-4.266667 42.666667 0 85.333333 17.066666 123.733333 51.2 106.666667 179.2 149.333333 285.866667 102.4 4.266667-8.533333 12.8-8.533333 17.066667-8.533333z" />
+</vector>
--- a/app/src/main/res/drawable/top_bottom_radius_background.xml
+++ b/app/src/main/res/drawable/top_bottom_radius_background.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android">
+    <solid android:color="@color/design_default_color_background" />
+    <corners
+        android:topLeftRadius="10dp"
+        android:topRightRadius="10dp"
+        android:bottomLeftRadius="10dp"
+        android:bottomRightRadius="10dp"/>
+</shape>
--- a/app/src/main/res/drawable/top_radius_background.xml
+++ b/app/src/main/res/drawable/top_radius_background.xml
@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android">
+    <solid android:color="@color/design_default_color_background" />
+    <corners
+        android:topLeftRadius="10dp"
+        android:topRightRadius="10dp"/>
+</shape>
--- a/app/src/main/res/layout/activity_main.xml
+++ b/app/src/main/res/layout/activity_main.xml
@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.drawerlayout.widget.DrawerLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:id="@+id/drawer_layout"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:fitsSystemWindows="true"
+    tools:openDrawer="start">
+
+    <include
+        layout="@layout/app_bar_main"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent" />
+
+    <com.google.android.material.navigation.NavigationView
+        android:id="@+id/nav_view"
+        android:layout_width="wrap_content"
+        android:layout_height="match_parent"
+        android:layout_gravity="start"
+        android:fitsSystemWindows="true"
+        app:headerLayout="@layout/nav_header_main"
+        app:menu="@menu/activity_main_drawer" />
+</androidx.drawerlayout.widget.DrawerLayout>
--- a/app/src/main/res/layout/app_bar_main.xml
+++ b/app/src/main/res/layout/app_bar_main.xml
@@ -0,0 +1,33 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.coordinatorlayout.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".MainActivity">
+
+    <com.google.android.material.appbar.AppBarLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:theme="@style/Theme.OxygenToolbox.AppBarOverlay">
+
+        <androidx.appcompat.widget.Toolbar
+            android:id="@+id/toolbar"
+            android:layout_width="match_parent"
+            android:layout_height="?attr/actionBarSize"
+            android:background="?attr/colorPrimary"
+            app:popupTheme="@style/Theme.OxygenToolbox.PopupOverlay" />
+
+    </com.google.android.material.appbar.AppBarLayout>
+
+    <include layout="@layout/content_main" />
+
+    <com.google.android.material.floatingactionbutton.FloatingActionButton
+        android:id="@+id/fab"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="bottom|end"
+        android:layout_margin="@dimen/fab_margin"
+        app:srcCompat="@android:drawable/ic_dialog_email" />
+
+</androidx.coordinatorlayout.widget.CoordinatorLayout>
--- a/app/src/main/res/layout/content_main.xml
+++ b/app/src/main/res/layout/content_main.xml
@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    app:layout_behavior="@string/appbar_scrolling_view_behavior"
+    tools:showIn="@layout/app_bar_main">
+
+    <fragment
+        android:id="@+id/nav_host_fragment"
+        android:name="androidx.navigation.fragment.NavHostFragment"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        app:defaultNavHost="true"
+        app:layout_constraintLeft_toLeftOf="parent"
+        app:layout_constraintRight_toRightOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:navGraph="@navigation/mobile_navigation" />
+
+
+</androidx.constraintlayout.widget.ConstraintLayout>
--- a/app/src/main/res/layout/fold_layout.xml
+++ b/app/src/main/res/layout/fold_layout.xml
@@ -0,0 +1,37 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:id="@+id/foldLayoutLinearLayout"
+    android:layout_width="match_parent"
+    android:layout_height="40dp"
+    android:layout_marginLeft="10dp"
+    android:layout_marginRight="10dp"
+    android:layout_marginTop="10dp"
+    android:background="@drawable/top_bottom_radius_background"
+    android:gravity="center_vertical"
+    >
+
+    <ImageView
+        android:id="@+id/imageView1"
+        android:layout_width="0dp"
+        android:layout_height="20dp"
+        android:layout_weight="1"
+        app:srcCompat="@drawable/tools_icon" />
+
+    <TextView
+        android:id="@+id/textView1"
+        android:layout_width="0dp"
+        android:layout_height="40dp"
+        android:layout_weight="6"
+        android:gravity="center_vertical"
+        android:text="工具"
+        android:textColor="@color/black"
+        android:textSize="18sp" />
+
+    <ImageView
+        android:id="@+id/arrowIcon"
+        android:layout_width="0dp"
+        android:layout_height="15dp"
+        android:layout_weight="1"
+        app:srcCompat="@drawable/right_to_down_arrow" />
+</LinearLayout>
--- a/app/src/main/res/layout/fragment_gallery.xml
+++ b/app/src/main/res/layout/fragment_gallery.xml
@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".ui.gallery.GalleryFragment">
+
+    <TextView
+        android:id="@+id/text_gallery"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="8dp"
+        android:layout_marginTop="8dp"
+        android:layout_marginEnd="8dp"
+        android:textAlignment="center"
+        android:textSize="20sp"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+</androidx.constraintlayout.widget.ConstraintLayout>
--- a/app/src/main/res/layout/fragment_home.xml
+++ b/app/src/main/res/layout/fragment_home.xml
@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:id="@+id/fragment_home"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="vertical"
+    android:background="#80CCCCCC"
+    tools:context=".ui.home.HomeFragment">
+
+    <com.fatapp.oxygentoolbox.layout.FoldLayout
+        android:id="@+id/foldLayout"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layoutId="@layout/fold_layout" />
+
+</LinearLayout>
--- a/app/src/main/res/layout/fragment_slideshow.xml
+++ b/app/src/main/res/layout/fragment_slideshow.xml
@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".ui.slideshow.SlideshowFragment">
+
+    <TextView
+        android:id="@+id/text_slideshow"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="8dp"
+        android:layout_marginTop="8dp"
+        android:layout_marginEnd="8dp"
+        android:textAlignment="center"
+        android:textSize="20sp"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+</androidx.constraintlayout.widget.ConstraintLayout>
--- a/app/src/main/res/layout/layout_item.xml
+++ b/app/src/main/res/layout/layout_item.xml
@@ -0,0 +1,44 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:layout_width="match_parent"
+    android:layout_height="40dp"
+    android:background="@android:color/transparent"
+    android:orientation="vertical"
+    android:gravity="center_vertical"
+    >
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:layout_marginLeft="10dp"
+        android:layout_marginRight="10dp"
+        android:background="@drawable/bottom_radius_background"
+        android:gravity="center_vertical">
+
+        <ImageView
+            android:id="@+id/imageView1"
+            android:layout_width="0dp"
+            android:layout_height="20dp"
+            android:layout_weight="1"
+            app:srcCompat="@drawable/love" />
+
+        <TextView
+            android:id="@+id/textView1"
+            android:layout_width="0dp"
+            android:layout_height="40dp"
+            android:layout_weight="6"
+            android:gravity="center_vertical"
+            android:text="工具"
+            android:textColor="@color/black"
+            android:textSize="18sp" />
+
+        <ImageView
+            android:id="@+id/imageView2"
+            android:layout_width="0dp"
+            android:layout_height="15dp"
+            android:layout_weight="1"
+            app:srcCompat="@drawable/arrow" />
+    </LinearLayout>
+
+</LinearLayout>
--- a/app/src/main/res/layout/nav_header_main.xml
+++ b/app/src/main/res/layout/nav_header_main.xml
@@ -0,0 +1,35 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:layout_width="match_parent"
+    android:layout_height="@dimen/nav_header_height"
+    android:background="@drawable/side_nav_bar"
+    android:gravity="bottom"
+    android:orientation="vertical"
+    android:paddingLeft="@dimen/activity_horizontal_margin"
+    android:paddingTop="@dimen/activity_vertical_margin"
+    android:paddingRight="@dimen/activity_horizontal_margin"
+    android:paddingBottom="@dimen/activity_vertical_margin"
+    android:theme="@style/ThemeOverlay.AppCompat.Dark">
+
+    <ImageView
+        android:id="@+id/imageView"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:contentDescription="@string/nav_header_desc"
+        android:paddingTop="@dimen/nav_header_vertical_spacing"
+        app:srcCompat="@mipmap/ic_launcher_round" />
+
+    <TextView
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:paddingTop="@dimen/nav_header_vertical_spacing"
+        android:text="@string/nav_header_title"
+        android:textAppearance="@style/TextAppearance.AppCompat.Body1" />
+
+    <TextView
+        android:id="@+id/textView"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="@string/nav_header_subtitle" />
+</LinearLayout>
--- a/app/src/main/res/menu/activity_main_drawer.xml
+++ b/app/src/main/res/menu/activity_main_drawer.xml
@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="utf-8"?>
+<menu xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    tools:showIn="navigation_view">
+
+    <group android:checkableBehavior="single">
+        <item
+            android:id="@+id/nav_home"
+            android:icon="@drawable/ic_menu_camera"
+            android:title="@string/menu_home" />
+        <item
+            android:id="@+id/nav_gallery"
+            android:icon="@drawable/ic_menu_gallery"
+            android:title="@string/menu_gallery" />
+        <item
+            android:id="@+id/nav_slideshow"
+            android:icon="@drawable/ic_menu_slideshow"
+            android:title="@string/menu_slideshow" />
+    </group>
+</menu>
--- a/app/src/main/res/menu/main.xml
+++ b/app/src/main/res/menu/main.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<menu xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto">
+    <item
+        android:id="@+id/action_settings"
+        android:orderInCategory="100"
+        android:title="@string/action_settings"
+        app:showAsAction="never" />
+</menu>
--- a/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml
+++ b/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@drawable/ic_launcher_background" />
+    <foreground android:drawable="@drawable/ic_launcher_foreground" />
+</adaptive-icon>
--- a/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml
+++ b/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@drawable/ic_launcher_background" />
+    <foreground android:drawable="@drawable/ic_launcher_foreground" />
+</adaptive-icon>
--- a/app/src/main/res/mipmap-hdpi/ic_launcher.webp
+++ b/app/src/main/res/mipmap-hdpi/ic_launcher.webp
--- a/app/src/main/res/mipmap-hdpi/ic_launcher_round.webp
+++ b/app/src/main/res/mipmap-hdpi/ic_launcher_round.webp
--- a/app/src/main/res/mipmap-mdpi/ic_launcher.webp
+++ b/app/src/main/res/mipmap-mdpi/ic_launcher.webp
--- a/app/src/main/res/mipmap-mdpi/ic_launcher_round.webp
+++ b/app/src/main/res/mipmap-mdpi/ic_launcher_round.webp
--- a/app/src/main/res/mipmap-xhdpi/ic_launcher.webp
+++ b/app/src/main/res/mipmap-xhdpi/ic_launcher.webp
--- a/app/src/main/res/mipmap-xhdpi/ic_launcher_round.webp
+++ b/app/src/main/res/mipmap-xhdpi/ic_launcher_round.webp
--- a/app/src/main/res/mipmap-xxhdpi/ic_launcher.webp
+++ b/app/src/main/res/mipmap-xxhdpi/ic_launcher.webp
--- a/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.webp
+++ b/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.webp
--- a/app/src/main/res/mipmap-xxxhdpi/ic_launcher.webp
+++ b/app/src/main/res/mipmap-xxxhdpi/ic_launcher.webp
--- a/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.webp
+++ b/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.webp
--- a/app/src/main/res/navigation/mobile_navigation.xml
+++ b/app/src/main/res/navigation/mobile_navigation.xml
@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="utf-8"?>
+<navigation xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:id="@+id/mobile_navigation"
+    app:startDestination="@+id/nav_home">
+
+    <fragment
+        android:id="@+id/nav_home"
+        android:name="com.fatapp.oxygentoolbox.ui.home.HomeFragment"
+        android:label="@string/menu_home"
+        tools:layout="@layout/fragment_home" />
+
+    <fragment
+        android:id="@+id/nav_gallery"
+        android:name="com.fatapp.oxygentoolbox.ui.gallery.GalleryFragment"
+        android:label="@string/menu_gallery"
+        tools:layout="@layout/fragment_gallery" />
+
+    <fragment
+        android:id="@+id/nav_slideshow"
+        android:name="com.fatapp.oxygentoolbox.ui.slideshow.SlideshowFragment"
+        android:label="@string/menu_slideshow"
+        tools:layout="@layout/fragment_slideshow" />
+</navigation>
--- a/app/src/main/res/values-night/themes.xml
+++ b/app/src/main/res/values-night/themes.xml
@@ -0,0 +1,16 @@
+<resources xmlns:tools="http://schemas.android.com/tools">
+    <!-- Base application theme. -->
+    <style name="Theme.OxygenToolbox" parent="Theme.MaterialComponents.DayNight.DarkActionBar">
+        <!-- Primary brand color. -->
+        <item name="colorPrimary">@color/purple_200</item>
+        <item name="colorPrimaryVariant">@color/purple_700</item>
+        <item name="colorOnPrimary">@color/black</item>
+        <!-- Secondary brand color. -->
+        <item name="colorSecondary">@color/teal_200</item>
+        <item name="colorSecondaryVariant">@color/teal_200</item>
+        <item name="colorOnSecondary">@color/black</item>
+        <!-- Status bar color. -->
+        <item name="android:statusBarColor" tools:targetApi="l">?attr/colorPrimaryVariant</item>
+        <!-- Customize your theme here. -->
+    </style>
+</resources>
--- a/app/src/main/res/values/attrs.xml
+++ b/app/src/main/res/values/attrs.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <declare-styleable name="FoldLayout">
+        <attr name="layoutId" format="integer"/>
+    </declare-styleable>
+</resources>
--- a/app/src/main/res/values/colors.xml
+++ b/app/src/main/res/values/colors.xml
@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="purple_200">#FFBB86FC</color>
+    <color name="purple_500">#FF6200EE</color>
+    <color name="purple_700">#FF3700B3</color>
+    <color name="teal_200">#FF03DAC5</color>
+    <color name="teal_700">#FF018786</color>
+    <color name="black">#FF000000</color>
+    <color name="white">#FFFFFFFF</color>
+</resources>
--- a/app/src/main/res/values/dimens.xml
+++ b/app/src/main/res/values/dimens.xml
@@ -0,0 +1,8 @@
+<resources>
+    <!-- Default screen margins, per the Android Design guidelines. -->
+    <dimen name="activity_horizontal_margin">16dp</dimen>
+    <dimen name="activity_vertical_margin">16dp</dimen>
+    <dimen name="nav_header_vertical_spacing">8dp</dimen>
+    <dimen name="nav_header_height">176dp</dimen>
+    <dimen name="fab_margin">16dp</dimen>
+</resources>
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -0,0 +1,17 @@
+<resources>
+    <string name="app_name">Oxygen</string>
+    <string name="navigation_drawer_open">Open navigation drawer</string>
+    <string name="navigation_drawer_close">Close navigation drawer</string>
+    <string name="nav_header_title">Android Studio</string>
+    <string name="nav_header_subtitle">android.studio@android.com</string>
+    <string name="nav_header_desc">Navigation header</string>
+    <string name="action_settings">Settings</string>
+
+    <string name="menu_home">Home</string>
+    <string name="menu_gallery">Gallery</string>
+    <string name="menu_slideshow">Slideshow</string>
+
+    <string name="shortcutDisabledMessage">Disable</string>
+    <string name="shortcutLongLabel">Oxygen Toolbox</string>
+    <string name="shortcutShortLabel">Oxygen Toolbox</string>
+</resources>
--- a/app/src/main/res/values/themes.xml
+++ b/app/src/main/res/values/themes.xml
@@ -0,0 +1,25 @@
+<resources xmlns:tools="http://schemas.android.com/tools">
+    <!-- Base application theme. -->
+    <style name="Theme.OxygenToolbox" parent="Theme.MaterialComponents.DayNight.DarkActionBar">
+        <!-- Primary brand color. -->
+        <item name="colorPrimary">@color/purple_500</item>
+        <item name="colorPrimaryVariant">@color/purple_700</item>
+        <item name="colorOnPrimary">@color/white</item>
+        <!-- Secondary brand color. -->
+        <item name="colorSecondary">@color/teal_200</item>
+        <item name="colorSecondaryVariant">@color/teal_700</item>
+        <item name="colorOnSecondary">@color/black</item>
+        <!-- Status bar color. -->
+        <item name="android:statusBarColor" tools:targetApi="l">?attr/colorPrimaryVariant</item>
+        <!-- Customize your theme here. -->
+    </style>
+
+    <style name="Theme.OxygenToolbox.NoActionBar">
+        <item name="windowActionBar">false</item>
+        <item name="windowNoTitle">true</item>
+    </style>
+
+    <style name="Theme.OxygenToolbox.AppBarOverlay" parent="ThemeOverlay.AppCompat.Dark.ActionBar" />
+
+    <style name="Theme.OxygenToolbox.PopupOverlay" parent="ThemeOverlay.AppCompat.Light" />
+</resources>
--- a/app/src/main/res/xml-v25/shortcuts.xml
+++ b/app/src/main/res/xml-v25/shortcuts.xml
@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shortcuts xmlns:android="http://schemas.android.com/apk/res/android">
+    <shortcut
+        android:enabled="true"
+        android:icon="@mipmap/ic_launcher_round"
+        android:shortcutDisabledMessage="@string/shortcutDisabledMessage"
+        android:shortcutId="main"
+        android:shortcutLongLabel="@string/shortcutLongLabel"
+        android:shortcutShortLabel="@string/shortcutShortLabel">
+    <intent
+        android:action="android.intent.action.VIEW"
+        android:targetClass="com.tencent.mm.ui.LauncherUI"
+        android:targetPackage="com.tencent.mm" />
+    <categories android:name="android.shortcut.conversation" />
+</shortcut>
+    </shortcuts>
--- a/app/src/test/java/com/fatapp/oxygentoolbox/ExampleUnitTest.java
+++ b/app/src/test/java/com/fatapp/oxygentoolbox/ExampleUnitTest.java
@@ -0,0 +1,17 @@
+package com.fatapp.oxygentoolbox;
+
+import org.junit.Test;
+
+import static org.junit.Assert.*;
+
+/**
+ * Example local unit test, which will execute on the development machine (host).
+ *
+ * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
+ */
+public class ExampleUnitTest {
+    @Test
+    public void addition_isCorrect() {
+        assertEquals(4, 2 + 2);
+    }
+}
--- a/build.gradle
+++ b/build.gradle
@@ -0,0 +1,24 @@
+// Top-level build file where you can add configuration options common to all sub-projects/modules.
+buildscript {
+    repositories {
+        google()
+        jcenter()
+    }
+    dependencies {
+        classpath "com.android.tools.build:gradle:4.1.0"
+
+        // NOTE: Do not place your application dependencies here; they belong
+        // in the individual module build.gradle files
+    }
+}
+
+allprojects {
+    repositories {
+        google()
+        jcenter()
+    }
+}
+
+task clean(type: Delete) {
+    delete rootProject.buildDir
+}
--- a/gradle.properties
+++ b/gradle.properties
@@ -0,0 +1,19 @@
+# Project-wide Gradle settings.
+# IDE (e.g. Android Studio) users:
+# Gradle settings configured through the IDE *will override*
+# any settings specified in this file.
+# For more details on how to configure your build environment visit
+# http://www.gradle.org/docs/current/userguide/build_environment.html
+# Specifies the JVM arguments used for the daemon process.
+# The setting is particularly useful for tweaking memory settings.
+org.gradle.jvmargs=-Xmx2048m -Dfile.encoding=UTF-8
+# When configured, Gradle will run in incubating parallel mode.
+# This option should only be used with decoupled projects. More details, visit
+# http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
+# org.gradle.parallel=true
+# AndroidX package structure to make it clearer which packages are bundled with the
+# Android operating system, and which are packaged with your app"s APK
+# https://developer.android.com/topic/libraries/support-library/androidx-rn
+android.useAndroidX=true
+# Automatically convert third-party libraries to use AndroidX
+android.enableJetifier=true
--- a/gradle/wrapper/gradle-wrapper.jar
+++ b/gradle/wrapper/gradle-wrapper.jar
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -0,0 +1,6 @@
+#Mon Mar 21 14:49:53 CST 2022
+distributionBase=GRADLE_USER_HOME
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.0.2-bin.zip
+distributionPath=wrapper/dists
+zipStorePath=wrapper/dists
+zipStoreBase=GRADLE_USER_HOME
--- a/185
+++ b/185
@@ -0,0 +1,185 @@
+#!/usr/bin/env sh
+
+#
+# Copyright 2015 the original author or authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+##############################################################################
+##
+##  Gradle start up script for UN*X
+##
+##############################################################################
+
+# Attempt to set APP_HOME
+# Resolve links: $0 may be a link
+PRG="$0"
+# Need this for relative symlinks.
+while [ -h "$PRG" ] ; do
+    ls=`ls -ld "$PRG"`
+    link=`expr "$ls" : '.*-> \(.*\)$'`
+    if expr "$link" : '/.*' > /dev/null; then
+        PRG="$link"
+    else
+        PRG=`dirname "$PRG"`"/$link"
+    fi
+done
+SAVED="`pwd`"
+cd "`dirname \"$PRG\"`/" >/dev/null
+APP_HOME="`pwd -P`"
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
+
+CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
+
+
+# Determine the Java command to use to start the JVM.
+if [ -n "$JAVA_HOME" ] ; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+        # IBM's JDK on AIX uses strange locations for the executables
+        JAVACMD="$JAVA_HOME/jre/sh/java"
+    else
+        JAVACMD="$JAVA_HOME/bin/java"
+    fi
+    if [ ! -x "$JAVACMD" ] ; then
+        die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+    fi
+else
+    JAVACMD="java"
+    which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+fi
+
+# Increase the maximum file descriptors if we can.
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
+    MAX_FD_LIMIT=`ulimit -H -n`
+    if [ $? -eq 0 ] ; then
+        if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
+            MAX_FD="$MAX_FD_LIMIT"
+        fi
+        ulimit -n $MAX_FD
+        if [ $? -ne 0 ] ; then
+            warn "Could not set maximum file descriptor limit: $MAX_FD"
+        fi
+    else
+        warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
+    fi
+fi
+
+# For Darwin, add options to specify how the application appears in the dock
+if $darwin; then
+    GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
+fi
+
+# For Cygwin or MSYS, switch paths to Windows format before running java
+if [ "$cygwin" = "true" -o "$msys" = "true" ] ; then
+    APP_HOME=`cygpath --path --mixed "$APP_HOME"`
+    CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+
+    JAVACMD=`cygpath --unix "$JAVACMD"`
+
+    # We build the pattern for arguments to be converted via cygpath
+    ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
+    SEP=""
+    for dir in $ROOTDIRSRAW ; do
+        ROOTDIRS="$ROOTDIRS$SEP$dir"
+        SEP="|"
+    done
+    OURCYGPATTERN="(^($ROOTDIRS))"
+    # Add a user-defined pattern to the cygpath arguments
+    if [ "$GRADLE_CYGPATTERN" != "" ] ; then
+        OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
+    fi
+    # Now convert the arguments - kludge to limit ourselves to /bin/sh
+    i=0
+    for arg in "$@" ; do
+        CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
+        CHECK2=`echo "$arg"|egrep -c "^-"`                                 ### Determine if an option
+
+        if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then                    ### Added a condition
+            eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
+        else
+            eval `echo args$i`="\"$arg\""
+        fi
+        i=`expr $i + 1`
+    done
+    case $i in
+        0) set -- ;;
+        1) set -- "$args0" ;;
+        2) set -- "$args0" "$args1" ;;
+        3) set -- "$args0" "$args1" "$args2" ;;
+        4) set -- "$args0" "$args1" "$args2" "$args3" ;;
+        5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
+        6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
+        7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
+        8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
+        9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
+    esac
+fi
+
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
+}
+APP_ARGS=`save "$@"`
+
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+exec "$JAVACMD" "$@"
--- a/gradlew.bat
+++ b/gradlew.bat
@@ -0,0 +1,89 @@
+@rem
+@rem Copyright 2015 the original author or authors.
+@rem
+@rem Licensed under the Apache License, Version 2.0 (the "License");
+@rem you may not use this file except in compliance with the License.
+@rem You may obtain a copy of the License at
+@rem
+@rem      https://www.apache.org/licenses/LICENSE-2.0
+@rem
+@rem Unless required by applicable law or agreed to in writing, software
+@rem distributed under the License is distributed on an "AS IS" BASIS,
+@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+@rem See the License for the specific language governing permissions and
+@rem limitations under the License.
+@rem
+
+@if "%DEBUG%" == "" @echo off
+@rem ##########################################################################
+@rem
+@rem  Gradle startup script for Windows
+@rem
+@rem ##########################################################################
+
+@rem Set local scope for the variables with windows NT shell
+if "%OS%"=="Windows_NT" setlocal
+
+set DIRNAME=%~dp0
+if "%DIRNAME%" == "" set DIRNAME=.
+set APP_BASE_NAME=%~n0
+set APP_HOME=%DIRNAME%
+
+@rem Resolve any "." and ".." in APP_HOME to make it shorter.
+for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi
+
+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m"
+
+@rem Find java.exe
+if defined JAVA_HOME goto findJavaFromJavaHome
+
+set JAVA_EXE=java.exe
+%JAVA_EXE% -version >NUL 2>&1
+if "%ERRORLEVEL%" == "0" goto execute
+
+echo.
+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:findJavaFromJavaHome
+set JAVA_HOME=%JAVA_HOME:"=%
+set JAVA_EXE=%JAVA_HOME%/bin/java.exe
+
+if exist "%JAVA_EXE%" goto execute
+
+echo.
+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:execute
+@rem Setup the command line
+
+set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
+
+
+@rem Execute Gradle
+"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %*
+
+:end
+@rem End local scope for the variables with windows NT shell
+if "%ERRORLEVEL%"=="0" goto mainEnd
+
+:fail
+rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
+rem the _cmd.exe /c_ return code!
+if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
+exit /b 1
+
+:mainEnd
+if "%OS%"=="Windows_NT" endlocal
+
+:omega
--- a/settings.gradle
+++ b/settings.gradle
@@ -0,0 +1,2 @@
+rootProject.name = "Oxygen Toolbox"
+include ':app'