androidx.constraintlayout.widget.ConstraintLayout Java Examples

@SuppressLint("ClickableViewAccessibility")
@Override
public void onBindViewHolder(@NonNull ContactHolder holder, int position) {
    Contact contact = mData.get(position);

    holder.name.setText(contact.getName());
    holder.number.setText(contact.getMainPhoneNumber());

    holder.dragHandle.setOnTouchListener((v, event) -> {
        if (event.getActionMasked() ==
                MotionEvent.ACTION_DOWN) {
            mItemTouchHelperListener.onStartDrag(holder);
        }
        return false;
    });

    holder.removeItem.setOnClickListener(v -> onItemDismiss(holder.getAdapterPosition()));

    ConstraintLayout itemRoot = (ConstraintLayout) holder.itemView;
    ConstraintSet set = new ConstraintSet();
    int layoutId = mEditModeEnabled ? R.layout.item_contact_editable_modified : R.layout.item_contact_editable;
    set.load(mContext, layoutId);
    set.applyTo(itemRoot);
}
 

private void initWebView(){
    mWebView = new WebView(mContext);
    ConstraintLayout.LayoutParams layoutParams =
            new ConstraintLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT,
                    ViewGroup.LayoutParams.MATCH_PARENT);
    layoutParams.startToStart = ConstraintLayout.LayoutParams.PARENT_ID;
    layoutParams.endToEnd = ConstraintLayout.LayoutParams.PARENT_ID;
    layoutParams.topToTop = ConstraintLayout.LayoutParams.PARENT_ID;
    layoutParams.bottomToBottom = ConstraintLayout.LayoutParams.PARENT_ID;
    mWebView.setLayoutParams(layoutParams);
    mWebView.setId(R.id.webview);
    mWebView.setVisibility(View.INVISIBLE);
    mLayout.addView(mWebView,-1);
    mAdvanceWebClient = new AdvanceWebClient(getContext(), mWebView,mUser_agent);
    mAdvanceWebClient.setListener(mLoginSuccessListener);
    mAdvanceWebClient.initWebView("https://" + mUrl.getHost());
}
 

@Override
public void onFinishInflate() {
  super.onFinishInflate();
  nativeAdView = (UnifiedNativeAdView) findViewById(R.id.native_ad_view);
  primaryView = (TextView) findViewById(R.id.primary);
  secondaryView = (TextView) findViewById(R.id.secondary);
  tertiaryView = (TextView) findViewById(R.id.body);

  ratingBar = (RatingBar) findViewById(R.id.rating_bar);
  ratingBar.setEnabled(false);

  callToActionView = (Button) findViewById(R.id.cta);
  iconView = (ImageView) findViewById(R.id.icon);
  mediaView = (MediaView) findViewById(R.id.media_view);
  background = (ConstraintLayout) findViewById(R.id.background);
}
 

/**
 * 将View的top margin 向下偏移一个状态栏的高度
 */
public static void initMarginTopDiffBar(View view) {
    ViewGroup.LayoutParams params = view.getLayoutParams();
    if (params instanceof LinearLayout.LayoutParams) {
        LinearLayout.LayoutParams linearParams = (LinearLayout.LayoutParams) params;
        linearParams.topMargin += DensityUtil.getStatusHeight(view.getContext());
    } else if (params instanceof FrameLayout.LayoutParams) {
        FrameLayout.LayoutParams frameParams = (FrameLayout.LayoutParams) params;
        frameParams.topMargin += DensityUtil.getStatusHeight(view.getContext());
    } else if (params instanceof RelativeLayout.LayoutParams) {
        RelativeLayout.LayoutParams relativeParams = (RelativeLayout.LayoutParams) params;
        relativeParams.topMargin += DensityUtil.getStatusHeight(view.getContext());
    } else if (params instanceof ConstraintLayout.LayoutParams) {
        ConstraintLayout.LayoutParams constraintParams = (ConstraintLayout.LayoutParams) params;
        constraintParams.topMargin += DensityUtil.getStatusHeight(view.getContext());
    }
    view.setLayoutParams(params);
}
 

private void setVideoViewLayout() {
    ViewGroup.LayoutParams layoutParams = rootView.getLayoutParams();
    layoutParams.height = isLandscape ? ViewGroup.LayoutParams.MATCH_PARENT : ViewGroup.LayoutParams.WRAP_CONTENT;

    ConstraintLayout.LayoutParams layoutWrapper = (ConstraintLayout.LayoutParams) mVideoWrapper.getLayoutParams();
    if (isLandscape && !pictureInPictureEnabled) {
        layoutWrapper.width = mShowChatButton.getRotation() == 0 ? ConstraintLayout.LayoutParams.MATCH_PARENT : getScreenRect(getActivity()).height() - getLandscapeChatTargetWidth();
    } else {
        layoutWrapper.width = ConstraintLayout.LayoutParams.MATCH_PARENT;
    }
    mVideoWrapper.setLayoutParams(layoutWrapper);

    AspectRatioFrameLayout contentFrame = mVideoWrapper.findViewById(R.id.exo_content_frame);
    if (isLandscape) {
        contentFrame.setResizeMode(AspectRatioFrameLayout.RESIZE_MODE_FIT);
    } else {
        contentFrame.setResizeMode(AspectRatioFrameLayout.RESIZE_MODE_FIXED_WIDTH);
    }
}
 

private void generatePoint() {
    int r = (int) (Math.random() * points.size());

    while (r == oldIndex) { r = (int) (Math.random() * points.size()); }

    int r0 = (int) (Math.random() * points.get(r).size());

    oldIndex = r;
    currentPoint = points.get(r).remove(r0);

    ImageView mapPoint = GameActivity.getInstance().findViewById(R.id.lesson_c_map_menu_point);

    ConstraintLayout.LayoutParams layoutParams =
            (ConstraintLayout.LayoutParams) mapPoint.getLayoutParams();
    layoutParams.topMargin =
            Math.round((currentPoint.y - PE_MAP_TOP_MARGIN) * 8 * SCREEN_DENSITY);
    layoutParams.leftMargin =
            Math.round((currentPoint.x - PE_MAP_LEFT_MARGIN) * 8 * SCREEN_DENSITY);
    mapPoint.setLayoutParams(layoutParams);
}
 

public void changeToNormalScreen() {
    ((Activity) mTextView.getContext()).setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);

    mLayouManager.enableScroll();

    RecyclerView.LayoutParams layoutParamsItem = (RecyclerView.LayoutParams) mView.getLayoutParams();
    layoutParamsItem.height = mItemHeight;
    layoutParamsItem.width = mItemWidth;
    layoutParamsItem.topMargin = mItemTopMargin;
    layoutParamsItem.bottomMargin = mItemBottomMargin;
    layoutParamsItem.leftMargin = mItemLeftMargin;
    layoutParamsItem.rightMargin = mItemRightMargin;
    mView.setLayoutParams(layoutParamsItem);

    ConstraintLayout.LayoutParams videoParams = (ConstraintLayout.LayoutParams) mExoPlayerView.getLayoutParams();
    videoParams.height = mVideoHeight;
    videoParams.width = mVideoWidth;
    //videoParams.bottomToBottom = 0;
    mExoPlayerView.setLayoutParams(videoParams);

    mTextView.setVisibility(View.VISIBLE);
}
 

public boolean isGamePause() {
    ConstraintLayout statusMenu = findViewById(R.id.status_menu);
    ConstraintLayout mapMenu = findViewById(R.id.map_menu);
    ConstraintLayout inventory = findViewById(R.id.inventory_menu);
    ConstraintLayout textBox = findViewById(R.id.textbox);
    ConstraintLayout studyMenu = findViewById(R.id.study_menu);
    ConstraintLayout buyMenu = findViewById(R.id.buy_menu);

    boolean lessonCHelp = false;
    MiniGame miniGame = GAME.getMiniGame();
    if (miniGame != null) {
        if (miniGame instanceof LessonC) {
            lessonCHelp = ((LessonC) miniGame).isHelp();
        }
    }

    return statusMenu.getVisibility() == View.VISIBLE || mapMenu.getVisibility() == View.VISIBLE
            || inventory.getVisibility() == View.VISIBLE
            || textBox.getVisibility() == View.VISIBLE
            || studyMenu.getVisibility() == View.VISIBLE
            || buyMenu.getVisibility() == View.VISIBLE
            || lessonCHelp;
}
 

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.constraintset_example_main);

    mRootLayout = (ConstraintLayout) findViewById(R.id.activity_constraintset_example);
    // Note that this can also be achieved by calling
    // `mConstraintSetNormal.load(this, R.layout.constraintset_example_main);`
    // Since we already have an inflated ConstraintLayout in `mRootLayout`, clone() is
    // faster and considered the best practice.
    mConstraintSetNormal.clone(mRootLayout);
    // Load the constraints from the layout where ImageView is enlarged.
    mConstraintSetBig.load(this, R.layout.constraintset_example_big);

    if (savedInstanceState != null) {
        boolean previous = savedInstanceState.getBoolean(SHOW_BIG_IMAGE);
        if (previous != mShowBigImage) {
            mShowBigImage = previous;
            applyConfig();
        }
    }
}
 

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.constraintset_example_main);

    mRootLayout = (ConstraintLayout) findViewById(R.id.activity_constraintset_example);
    // Note that this can also be achieved by calling
    // `mConstraintSetNormal.load(this, R.layout.constraintset_example_main);`
    // Since we already have an inflated ConstraintLayout in `mRootLayout`, clone() is
    // faster and considered the best practice.
    mConstraintSetNormal.clone(mRootLayout);
    // Load the constraints from the layout where ImageView is enlarged.
    mConstraintSetBig.load(this, R.layout.constraintset_example_big);

    if (savedInstanceState != null) {
        boolean previous = savedInstanceState.getBoolean(SHOW_BIG_IMAGE);
        if (previous != mShowBigImage) {
            mShowBigImage = previous;
            applyConfig();
        }
    }
}
 

public ViewHolder(ConstraintLayout itemView) {
    super(itemView);
    this.itemView = itemView;

    itemView.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {

        }
    });

    tapName = itemView.findViewById(R.id.tapName);
    tapIdentifier = itemView.findViewById(R.id.tapAddress);
    tapInputInt = itemView.findViewById(R.id.tapInputInt);
    finger1 = itemView.findViewById(R.id.finger1);
    finger2 = itemView.findViewById(R.id.finger2);
    finger3 = itemView.findViewById(R.id.finger3);
    finger4 = itemView.findViewById(R.id.finger4);
    finger5 = itemView.findViewById(R.id.finger5);
    mode = itemView.findViewById(R.id.tapMode);
    fwVer = itemView.findViewById(R.id.tapFwVer);
}
 

@Keep
public BaldKeyboard(final Context context, final View.OnClickListener onClickListener, final Runnable backspaceRunnable, final int imeOptions) {
    super(context);
    vibrator = (Vibrator) context.getSystemService(Context.VIBRATOR_SERVICE);
    this.backspaceRunnable = backspaceRunnable;
    final ContextThemeWrapper contextThemeWrapper = new ContextThemeWrapper(context, S.getTheme(context));
    keyboard = (ConstraintLayout) LayoutInflater.from(contextThemeWrapper).inflate(layout(), this, false);
    children = new View[keyboard.getChildCount()];
    final char[] codes = codes();
    for (int i = 0; i < children.length - 1/*cause of space view...*/; i++) {
        final View view = keyboard.getChildAt(i + 1/*cause of space view...*/);
        view.setOnClickListener(onClickListener);
        view.setTag(codes[i]);
        children[i] = view;
    }
    backspace = keyboard.findViewById(R.id.backspace);
    backspace.setOnTouchListener(getBackSpaceListener());
    enter = keyboard.findViewById(R.id.enter);
    tv_enter = keyboard.findViewById(R.id.tv_enter);
    iv_enter = keyboard.findViewById(R.id.iv_enter);
    imeOptionsChanged(imeOptions);
    addView(keyboard);
}
 

@SuppressLint("SourceLockedOrientationActivity")
private void enableFullScreenMode() {
    Context context = getContext();
    if (context instanceof MainActivity) {
        View root = getView();
        ConstraintLayout globalLayout = root.findViewById(R.id.file_view_global_layout);
        View exoplayerContainer = root.findViewById(R.id.file_view_exoplayer_container);
        ((ViewGroup) exoplayerContainer.getParent()).removeView(exoplayerContainer);
        globalLayout.addView(exoplayerContainer);

        View playerView = root.findViewById(R.id.file_view_exoplayer_view);
        ((ImageView) playerView.findViewById(R.id.player_image_full_screen_toggle)).setImageResource(R.drawable.ic_fullscreen_exit);

        MainActivity activity = (MainActivity) context;
        activity.enterFullScreenMode();

        int statusBarHeight = activity.getStatusBarHeight();
        exoplayerContainer.setPadding(0, 0, 0, statusBarHeight);

        activity.setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE);
    }
}
 

public void showButtons() {
    ConstraintLayout topMenu = findViewById(R.id.top_menu);

    ImageView statusButton = findViewById(R.id.status_button);
    ImageView mapButton = findViewById(R.id.map_button);
    ImageView inventoryButton = findViewById(R.id.inventory_button);
    ImageView runButton = findViewById(R.id.run_button);
    ImageView heistButton = findViewById(R.id.heist_button);
    ImageView cancelButton = findViewById(R.id.cancel_button);
    ImageView quitButton = findViewById(R.id.quit_button);

    topMenu.setVisibility(View.VISIBLE);

    statusButton.setVisibility(View.VISIBLE);
    mapButton.setVisibility(View.VISIBLE);
    inventoryButton.setVisibility(View.VISIBLE);
    cancelButton.setVisibility(View.VISIBLE);
    if (GAME.hasItem(Item.getItem(KEY2_INDEX))) { runButton.setVisibility(View.VISIBLE); }
    if (GAME.getProgressDataStructure().hasHeistPlan()) {
        heistButton.setVisibility(View.VISIBLE);
        setUpHeistMenu();
    }
    quitButton.setVisibility(View.VISIBLE);
}
 

public void hideButtons() {
    ConstraintLayout topMenu = findViewById(R.id.top_menu);

    ImageView statusButton = findViewById(R.id.status_button);
    ImageView mapButton = findViewById(R.id.map_button);
    ImageView inventoryButton = findViewById(R.id.inventory_button);
    ImageView runButton = findViewById(R.id.run_button);
    ImageView heistButton = findViewById(R.id.heist_button);
    ImageView cancelButton = findViewById(R.id.cancel_button);
    ImageView quitButton = findViewById(R.id.quit_button);

    topMenu.setVisibility(View.GONE);

    statusButton.setVisibility(View.GONE);
    mapButton.setVisibility(View.GONE);
    inventoryButton.setVisibility(View.GONE);
    cancelButton.setVisibility(View.GONE);
    runButton.setVisibility(View.GONE);
    heistButton.setVisibility(View.GONE);
    quitButton.setVisibility(View.GONE);
}
 

public void refreshBuyMenu() {
    final ConstraintLayout shopBuyMenu = findViewById(R.id.shop_menu_buy);

    for (int i = 0; i < shopBuyMenu.getChildCount(); i ++) {
        View view = shopBuyMenu.getChildAt(i);
        if (view instanceof ItemImageView) {
            if ((GAME.isSheetItem(((ItemImageView) view).getItem())
                    && GAME.hasBook(((ItemImageView) view).getItem()))
                    ||
                    (GAME.isBookItem(((ItemImageView) view).getItem())
                            && GAME.hasItem(((ItemImageView) view).getItem()))) {
                view.setEnabled(false);
                view.setAlpha(0.5f);
            } else {
                view.setEnabled(true);
                view.setAlpha(1f);
            }
        }

    }
}
 

/**
 * @param container
 * @hide
 */
@Override
public void updatePreLayout(ConstraintLayout container) {
    if (mContainer!=container) {
        View[] views = getViews(container);
        for (int i = 0; i < mCount; i++) {
            View view = views[i];
            ObjectAnimator animator = ObjectAnimator.ofFloat(view, "translationX", - 2000, 0).setDuration(1000);
            animator.setInterpolator(new BounceInterpolator());
            animator.start();
        }
    }
    mContainer = container;
}
 

private void updateGroupItemViewHolder(final ViewHolder holder, final Element element) {
    holder.elementTitle.setText(MeshAddress.formatAddress(element.getElementAddress(), true));
    holder.mModelContainer.removeAllViews();
    for (Map.Entry<Integer, MeshModel> modelEntry : element.getMeshModels().entrySet()) {
        final MeshModel model = modelEntry.getValue();
        for (Integer address : model.getSubscribedAddresses()) {
            if (mGroup.getAddress() == address) {
                final View view = LayoutInflater.from(mContext).inflate(R.layout.group_model_item, holder.mModelContainer, false);
                final ConstraintLayout container = view.findViewById(R.id.container);
                final ImageView modelIcon = view.findViewById(R.id.icon);
                final TextView modelTitle = view.findViewById(R.id.model_title);
                modelTitle.setText(model.getModelName());
                if(MeshParserUtils.isVendorModel(model.getModelId())){
                    modelIcon.setImageDrawable(ContextCompat.getDrawable(mContext, R.drawable.ic_domain_nordic_medium_gray));
                } else {
                    switch (model.getModelId()) {
                        case SigModelParser.GENERIC_ON_OFF_SERVER:
                            modelIcon.setImageDrawable(ContextCompat.getDrawable(mContext, R.drawable.ic_lightbulb_outline_24dp));
                            break;
                        case SigModelParser.GENERIC_ON_OFF_CLIENT:
                            modelIcon.setImageDrawable(ContextCompat.getDrawable(mContext, R.drawable.ic_light_switch_24dp));
                            break;
                        case SigModelParser.GENERIC_LEVEL_SERVER:
                            modelIcon.setImageDrawable(ContextCompat.getDrawable(mContext, R.drawable.ic_lightbulb_level_24dp));
                            break;
                        default:
                            modelIcon.setImageDrawable(ContextCompat.getDrawable(mContext, R.drawable.ic_help_outline_24dp));
                            break;
                    }
                }
                container.setOnClickListener(v -> mOnItemClickListener.onModelItemClick(element, model));
                holder.mModelContainer.addView(view);
            }
        }
    }
}
 

/**
 * Animates the ContactHolder
 */
public void animate() {
    ConstraintLayout itemRoot = (ConstraintLayout) itemView;
    ConstraintSet set = new ConstraintSet();
    set.clone(itemRoot);

    Transition transition = new AutoTransition();
    transition.setInterpolator(new OvershootInterpolator());
    TransitionManager.beginDelayedTransition(itemRoot, transition);
    int layoutId = mEditModeEnabled ? R.layout.item_contact_editable_modified : R.layout.item_contact_editable;
    set.load(mContext, layoutId);
    set.applyTo(itemRoot);
}
 

@Test
public void testIconEndMargin() {
    mGuidanceNextManeuverView.setIconEndMargin(10);
    final ImageView iconView = mGuidanceNextManeuverView.findViewById(R.id.nextManeuverIconView);
    final ConstraintLayout.LayoutParams layoutParams = (ConstraintLayout.LayoutParams)
            iconView.getLayoutParams();
    assertThat(layoutParams.getMarginEnd(), equalTo(10));
}
 

/**
 * Moves the reject button to the middle
 */
private void moveRejectButtonToMiddle() {
    ConstraintSet ongoingSet = new ConstraintSet();

    ongoingSet.clone(mOngoingCallLayout);
    ongoingSet.connect(R.id.reject_btn, ConstraintSet.START, ConstraintSet.PARENT_ID, ConstraintSet.END);
    ongoingSet.connect(R.id.reject_btn, ConstraintSet.END, ConstraintSet.PARENT_ID, ConstraintSet.START);
    ongoingSet.setHorizontalBias(R.id.reject_btn, 0.5f);
    ongoingSet.setMargin(R.id.reject_btn, ConstraintSet.END, 0);

    ConstraintSet overlaySet = new ConstraintSet();
    overlaySet.clone(this, R.layout.correction_overlay_reject_call_options);

    if (!mIsCreatingUI) { //Don't animate if the activity is just being created
        Transition transition = new ChangeBounds();
        transition.setInterpolator(new AccelerateDecelerateInterpolator());
        transition.addTarget(mRejectCallOverlay);
        transition.addTarget(mRejectButton);
        TransitionManager.beginDelayedTransition(mOngoingCallLayout, transition);
    }

    ongoingSet.applyTo(mOngoingCallLayout);
    overlaySet.applyTo((ConstraintLayout) mRejectCallOverlay);

    mFloatingRejectCallTimerButton.hide();
    mFloatingCancelOverlayButton.hide();
    mFloatingSendSMSButton.hide();

    mRootView.removeView(mAnswerCallOverlay);
}
 

private void customizeViews() {
  ConstraintLayout toolbar = findViewById(R.id.place_picker_toolbar);
  if (options != null && options.toolbarColor() != null) {
    toolbar.setBackgroundColor(options.toolbarColor());
  } else {
    int color = ColorUtils.getMaterialColor(this, R.attr.colorPrimary);
    toolbar.setBackgroundColor(color);
  }
}
 

@NonNull
@Override
public ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {

    ConstraintLayout v = (ConstraintLayout) LayoutInflater.from(parent.getContext())
            .inflate(R.layout.list_row, parent, false);

    return new ViewHolder(v);
}
 

/**
 * Restores the default size of the white content area in tablet layouts
 */
private void showStandardTabletContentArea() {
    if (isPhoneLayout()) {
        return;
    }
    ConstraintLayout.LayoutParams guideLineTopParams = (ConstraintLayout.LayoutParams) guideline_top.getLayoutParams();
    guideLineTopParams.guidePercent = defaultGuidelineTopPercentage;
    guideline_top.setLayoutParams(guideLineTopParams);

    ConstraintLayout.LayoutParams guideLineBottomParams = (ConstraintLayout.LayoutParams) guideline_bottom.getLayoutParams();
    guideLineBottomParams.guidePercent = defaultGuidelineBottomPercentage;
    guideline_bottom.setLayoutParams(guideLineBottomParams);
}
 

/**
 * Increases the white content area in tablet layouts
 */
private void showIncreasedTabletContentArea() {
    if (isPhoneLayout()) {
        return;
    }
    ConstraintLayout.LayoutParams guideLineTopParams = (ConstraintLayout.LayoutParams) guideline_top.getLayoutParams();
    float increasedTopPercentage = defaultGuidelineTopPercentage - GUIDE_LINE_COMPACT_DELTA;
    guideLineTopParams.guidePercent = increasedTopPercentage > 0f ? increasedTopPercentage : 0f;
    guideline_top.setLayoutParams(guideLineTopParams);

    ConstraintLayout.LayoutParams guideLineBottomParams = (ConstraintLayout.LayoutParams) guideline_bottom.getLayoutParams();
    float increasedBottomPercentage = defaultGuidelineBottomPercentage + GUIDE_LINE_COMPACT_DELTA;
    guideLineBottomParams.guidePercent = increasedBottomPercentage < 1f ? increasedBottomPercentage : 1f;
    guideline_bottom.setLayoutParams(guideLineBottomParams);
}
 

protected void addToolbarView(View v) {
    ConstraintLayout toolbar = findViewById(R.id.myToolBar);
    if (toolbar != null) {
        ConstraintLayout.LayoutParams pls = new ConstraintLayout.LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.MATCH_PARENT);
        v.setLayoutParams(pls);
        int padding = DimenUtils.dip2px(this, 12);
        v.setPadding(padding, padding, padding, padding);
        pls.setMarginEnd(padding);
        pls.bottomToBottom = ConstraintSet.PARENT_ID;
        pls.topToTop = ConstraintSet.PARENT_ID;
        pls.endToEnd = ConstraintSet.PARENT_ID;
        //pls.gravity = Gravity.END;
        toolbar.addView(v);
    }
}
 

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_custom_notification_settings);

    final CustomProgressDialog progressDialog = new CustomProgressDialog();
    progressDialog.setCancelable(false);
    progressDialog.show(getSupportFragmentManager(), "progressDialog");

    final RecyclerView recyclerView = findViewById(R.id.recyclerView);
    final ConstraintLayout emptyView = findViewById(R.id.emptyView);
    emptyView.setOnClickListener(view -> {
        Intent intent = new Intent(CustomNotificationSettingsActivity.this, EnabledApplicationsActivity.class);
        startActivityForResult(intent, RETURNED_FROM_ENABLED_APPS_SETTINGS_REQUEST);
    });

    recyclerView.setHasFixedSize(true);
    recyclerView.setLayoutManager(new LinearLayoutManager(this));

    final CustomNotificationSettingsAdapter adapter = new CustomNotificationSettingsAdapter(this);
    recyclerView.setAdapter(adapter);

    recyclerView.addItemDecoration(new DividerItemDecoration(recyclerView.getContext(), DividerItemDecoration.VERTICAL));

    viewModel = ViewModelProviders.of(this).get(CustomNotificationSettingsViewModel.class);
    viewModel.getAppsDataList().observe(this, customSettingsAppData -> {
        adapter.setAppDataList(customSettingsAppData);
        progressDialog.dismiss();
        if (customSettingsAppData.size() == 0) {
            emptyView.setVisibility(View.VISIBLE);
            recyclerView.setVisibility(View.GONE);
        } else {
            emptyView.setVisibility(View.GONE);
            recyclerView.setVisibility(View.VISIBLE);
        }
    });
}
 

public void changeToFullScreen() {
    mLayouManager.disableScroll();
    RecyclerView.LayoutParams layoutParamsItem = (RecyclerView.LayoutParams) mView.getLayoutParams();
    mItemHeight = layoutParamsItem.height;
    mItemWidth = layoutParamsItem.width;
    mItemTopMargin = layoutParamsItem.topMargin;
    mItemBottomMargin = layoutParamsItem.bottomMargin;
    mItemLeftMargin = layoutParamsItem.leftMargin;
    mItemRightMargin = layoutParamsItem.rightMargin;

    layoutParamsItem.height = ViewGroup.LayoutParams.MATCH_PARENT;
    layoutParamsItem.width = ViewGroup.LayoutParams.MATCH_PARENT;
    layoutParamsItem.topMargin = 0;
    layoutParamsItem.bottomMargin = 0;
    layoutParamsItem.leftMargin = 0;
    layoutParamsItem.rightMargin = 0;
    mView.setLayoutParams(layoutParamsItem);

    ConstraintLayout.LayoutParams videoParams = (ConstraintLayout.LayoutParams) mExoPlayerView.getLayoutParams();
    mVideoHeight = videoParams.height;
    mVideoWidth = videoParams.width;
    videoParams.height = ViewGroup.LayoutParams.MATCH_PARENT;
    videoParams.width = ViewGroup.LayoutParams.MATCH_PARENT;
    //videoParams.bottomToBottom = R.id.parent;
    mExoPlayerView.setLayoutParams(videoParams);

    mExoPlayerView.post(new Runnable() {
        @Override
        public void run() {
            mLayouManager.scrollToPosition(getAdapterPosition());
        }
    });

    mTextView.setVisibility(View.GONE);

    ((Activity) mTextView.getContext()).setRequestedOrientation(SCREEN_ORIENTATION_LANDSCAPE);

}
 

/**
 * @param container
 * @hide
 */
@Override
public void updatePreLayout(ConstraintLayout container) {
    if (mContainer!=container) {
        View[] views = getViews(container);
        for (int i = 0; i < mCount; i++) {
            View view = views[i];
            ObjectAnimator animator = ObjectAnimator.ofFloat(view, "translationX", - 2000, 0).setDuration(1000);
            animator.setInterpolator(new BounceInterpolator());
            animator.start();
        }
    }
    mContainer = container;
}
 

@Override
protected void onCreate(Bundle savedInstanceState) {
    Log.d(TAG, "onCreate");

    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);

    mContainer = (ConstraintLayout) findViewById(R.id.main_container);

    requestPermissions();
}