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yangyufei
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support-Appbarlayout
1 parent cef7dfb commit a2462ec

16 files changed

Lines changed: 853 additions & 28 deletions

‎app/build.gradle‎

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@@ -27,6 +27,8 @@ dependencies {
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androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
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implementation 'com.android.support:recyclerview-v7:28.0.0'
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implementation 'com.android.support:design:27.0.0'
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api project(':library')
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// implementation 'com.github.JarvisGG:NestedTouchScrollingLayout:v1.1.1'

‎app/src/main/AndroidManifest.xml‎

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<activity android:name=".RecyclerViewActivity" />
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<activity android:name=".WebViewActivity" />
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<activity android:name=".ViewPagerActivity" />
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<activity android:name=".BottomSheetActivity" />
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<activity android:name=".AppbarLayoutActivity" />
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</application>
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</manifest>

‎app/src/main/java/jarvis/com/nestedtouchscrollinglayout/AppbarLayoutActivity.java‎

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package jarvis.com.nestedtouchscrollinglayout;
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import android.content.Context;
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import android.graphics.Canvas;
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import android.graphics.Rect;
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import android.os.Bundle;
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import android.support.annotation.ColorInt;
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import android.support.annotation.NonNull;
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import android.support.annotation.Nullable;
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import android.support.v7.widget.LinearLayoutManager;
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import android.support.v7.widget.RecyclerView;
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import android.view.LayoutInflater;
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import android.view.MotionEvent;
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import android.view.View;
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import android.view.ViewGroup;
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import android.widget.TextView;
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import jarvis.com.library.NestedTouchScrollingLayout;
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/**
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* @author yyf @ Zhihu Inc.
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* @since 12-05-2018
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*/
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public class AppbarLayoutActivity extends BaseActivity {
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private int mContainerItemsCount = 20;
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private int mInnerItemsCount = 30;
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public static int mHalfWindowHeight = 400; // dp
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public static int mVelocityYBound = 1300;
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private RecyclerView mContainerRecycler;
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private NestedTouchScrollingLayout mNestedTouchScrollingLayout;
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@Override
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protected void onCreate(@Nullable Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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setContentView(R.layout.activity_applayout);
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findViewById(R.id.btn_open).setOnClickListener(new View.OnClickListener() {
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@Override
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public void onClick(View view) {
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mNestedTouchScrollingLayout.expand();
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}
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});
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mContainerRecycler = findViewById(R.id.container_rv);
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mContainerRecycler.setLayoutManager(new LinearLayoutManager(this, LinearLayoutManager.VERTICAL, false));
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mContainerRecycler.setAdapter(new InnerAdapter(this, 0x9966CC));
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mContainerRecycler.addItemDecoration(new RecyclerView.ItemDecoration() {
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@Override
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public void onDraw(@NonNull Canvas c, @NonNull RecyclerView parent, @NonNull RecyclerView.State state) {
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super.onDraw(c, parent, state);
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}
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@Override
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public void onDrawOver(@NonNull Canvas c, @NonNull RecyclerView parent, @NonNull RecyclerView.State state) {
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super.onDrawOver(c, parent, state);
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}
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@Override
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public void getItemOffsets(@NonNull Rect outRect, @NonNull View view, @NonNull RecyclerView parent, @NonNull RecyclerView.State state) {
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super.getItemOffsets(outRect, view, parent, state);
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outRect.bottom = 30;
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}
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});
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mNestedTouchScrollingLayout = findViewById(R.id.wrapper);
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mNestedTouchScrollingLayout.registerNestScrollChildCallback(new NestedTouchScrollingLayout.INestChildScrollChange() {
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@Override
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public void onNestChildScrollChange(float deltaY) {
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}
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@Override
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public void onNestChildScrollRelease(final float deltaY, final int velocityY) {
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int totalYRange = mNestedTouchScrollingLayout.getMeasuredHeight();
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int helfLimit = (totalYRange - DisplayUtils.dpToPixel(AppbarLayoutActivity.this, mHalfWindowHeight)) / 2;
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int hideLimit = totalYRange - DisplayUtils.dpToPixel(AppbarLayoutActivity.this, mHalfWindowHeight) / 2;
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int helfHeight = totalYRange - DisplayUtils.dpToPixel(AppbarLayoutActivity.this, mHalfWindowHeight);
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if (velocityY > mVelocityYBound && velocityY > 0) {
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if (Math.abs(deltaY) > helfHeight) {
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mNestedTouchScrollingLayout.hiden();
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} else {
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mNestedTouchScrollingLayout.peek(mNestedTouchScrollingLayout.getMeasuredHeight() - DisplayUtils.dpToPixel(AppbarLayoutActivity.this,400));
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}
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} else if (velocityY < -mVelocityYBound && velocityY < 0) {
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if (Math.abs(deltaY) < helfHeight) {
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mNestedTouchScrollingLayout.expand();
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} else {
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mNestedTouchScrollingLayout.peek(mNestedTouchScrollingLayout.getMeasuredHeight() - DisplayUtils.dpToPixel(AppbarLayoutActivity.this,400));
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}
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} else {
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if (Math.abs(deltaY) > hideLimit) {
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mNestedTouchScrollingLayout.hiden();
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} else if (Math.abs(deltaY) > helfLimit) {
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mNestedTouchScrollingLayout.peek(mNestedTouchScrollingLayout.getMeasuredHeight() - DisplayUtils.dpToPixel(AppbarLayoutActivity.this, 400));
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} else {
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mNestedTouchScrollingLayout.expand();
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}
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}
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}
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@Override
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public void onFingerUp(float velocityY) {
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}
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@Override
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public void onNestChildHorizationScroll(MotionEvent event, float deltaX, float deltaY) {
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}
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});
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mNestedTouchScrollingLayout.setSheetDirection(NestedTouchScrollingLayout.SheetDirection.BOTTOM);
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mNestedTouchScrollingLayout
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.post(new Runnable() {
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@Override
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public void run() {
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mNestedTouchScrollingLayout.recover(mNestedTouchScrollingLayout.getMeasuredHeight(), null, 0);
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}
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});
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}
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class ContainerAdapter extends RecyclerView.Adapter<AppbarLayoutActivity.ContainerViewHolder> {
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private Context mContext;
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private LayoutInflater mInflater;
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public ContainerAdapter(Context context) {
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this.mContext = context;
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this.mInflater = LayoutInflater.from(mContext);
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}
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@NonNull
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@Override
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public AppbarLayoutActivity.ContainerViewHolder onCreateViewHolder(@NonNull ViewGroup viewGroup, int i) {
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View view = mInflater.inflate(R.layout.recycer_item, viewGroup, false);
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return new AppbarLayoutActivity.ContainerViewHolder(view);
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}
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@Override
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public void onBindViewHolder(@NonNull AppbarLayoutActivity.ContainerViewHolder containerViewHolder, int i) {
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containerViewHolder.mRecycler.setLayoutManager(new LinearLayoutManager(mContext, LinearLayoutManager.VERTICAL, false));
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switch (i % 5) {
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case 0:
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containerViewHolder.mRecycler.setAdapter(new AppbarLayoutActivity.InnerAdapter(mContext, 0xFFCCFF));
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break;
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case 1:
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containerViewHolder.mRecycler.setAdapter(new AppbarLayoutActivity.InnerAdapter(mContext, 0x9966CC));
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break;
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case 2:
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containerViewHolder.mRecycler.setAdapter(new AppbarLayoutActivity.InnerAdapter(mContext, 0x33FF33));
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break;
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case 3:
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containerViewHolder.mRecycler.setAdapter(new AppbarLayoutActivity.InnerAdapter(mContext, 0x33FFFF));
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break;
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case 4:
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containerViewHolder.mRecycler.setAdapter(new AppbarLayoutActivity.InnerAdapter(mContext, 0xFFFF00));
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break;
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default:
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break;
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}
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containerViewHolder.mRecycler.addItemDecoration(new RecyclerView.ItemDecoration() {
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@Override
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public void onDraw(@NonNull Canvas c, @NonNull RecyclerView parent, @NonNull RecyclerView.State state) {
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super.onDraw(c, parent, state);
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}
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@Override
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public void onDrawOver(@NonNull Canvas c, @NonNull RecyclerView parent, @NonNull RecyclerView.State state) {
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super.onDrawOver(c, parent, state);
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}
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@Override
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public void getItemOffsets(@NonNull Rect outRect, @NonNull View view, @NonNull RecyclerView parent, @NonNull RecyclerView.State state) {
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super.getItemOffsets(outRect, view, parent, state);
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outRect.bottom = 10;
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}
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});
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}
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@Override
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public int getItemCount() {
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return mContainerItemsCount;
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}
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}
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class ContainerViewHolder extends RecyclerView.ViewHolder {
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public RecyclerView mRecycler;
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public ContainerViewHolder(@NonNull View itemView) {
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super(itemView);
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mRecycler = itemView.findViewById(R.id.recycler_id);
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}
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}
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public class InnerAdapter extends RecyclerView.Adapter<AppbarLayoutActivity.InnerViewHolder> {
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private Context mContext;
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private LayoutInflater mInflater;
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private @ColorInt
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int mBgColor;
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public InnerAdapter(Context context, @ColorInt int color) {
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mContext = context;
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mInflater = LayoutInflater.from(mContext);
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mBgColor = color;
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}
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@NonNull
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@Override
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public AppbarLayoutActivity.InnerViewHolder onCreateViewHolder(@NonNull ViewGroup viewGroup, int i) {
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View view = mInflater.inflate(R.layout.main_item, viewGroup, false);
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return new AppbarLayoutActivity.InnerViewHolder(view);
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}
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@Override
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public void onBindViewHolder(@NonNull AppbarLayoutActivity.InnerViewHolder innerViewHolder, int i) {
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innerViewHolder.tv.setText("Jarvis ----> " + i);
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}
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@Override
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public int getItemCount() {
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return mInnerItemsCount;
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}
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}
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public class InnerViewHolder extends RecyclerView.ViewHolder {
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public TextView tv;
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public InnerViewHolder(@NonNull View itemView) {
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super(itemView);
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tv = itemView.findViewById(R.id.main_tv);
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}
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}
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}

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