Пример #1
0
  @Override
  public void onViewCreated(View view, Bundle savedInstanceState) {
    super.onViewCreated(view, savedInstanceState);
    ButterKnife.bind(this, view);

    final CoordinatorLayout.LayoutParams layoutParams =
        (CoordinatorLayout.LayoutParams) commentFrame.getLayoutParams();

    commentFrame.setOnTouchListener(
        new View.OnTouchListener() {
          @Override
          public boolean onTouch(View v, MotionEvent event) {
            return true;
          }
        });

    behavior = (HideablePartBehavior) layoutParams.getBehavior();
    behavior.setChangeCallback(this);

    root.setResizeCallback(
        new IgnorantCoordinatorLayout.ResizeCallback() {
          @Override
          public void onSizeChanged(int w, int h, int oldw, int oldh) {
            commentFrame.post(
                new Runnable() {
                  @Override
                  public void run() {
                    behavior.sync(commentFrame);
                  }
                });
          }
        });

    instrumentsLayout.removeAllViews();

    LayoutInflater inflater = getLayoutInflater(savedInstanceState);
    for (final TextChanger changer : instruments) {
      View button = inflater.inflate(R.layout.include_instrument_button, instrumentsLayout, false);
      ((ImageView) button.findViewById(R.id.icon)).setImageResource(changer.getImageResource());
      button.setOnClickListener(
          new View.OnClickListener() {
            @Override
            public void onClick(View v) {
              changer.onSelect(CommentEditFragment.this, text);
              selectedInstrument = instruments.indexOf(changer);
            }
          });
      instrumentsLayout.addView(button);
    }
  }
 public static void setDrag(boolean isDrag, AppBarLayout appBar) {
   final boolean drag = isDrag;
   ((CoordinatorLayout.LayoutParams) appBar.getLayoutParams())
       .setBehavior(new AppBarLayout.Behavior() {});
   CoordinatorLayout.LayoutParams lp = (CoordinatorLayout.LayoutParams) appBar.getLayoutParams();
   AppBarLayout.Behavior behavior = (AppBarLayout.Behavior) lp.getBehavior();
   behavior.setDragCallback(
       new AppBarLayout.Behavior.DragCallback() {
         @Override
         public boolean canDrag(@NonNull AppBarLayout appBarLayout) {
           return drag;
         }
       });
 }
  public boolean onNestedFling(View target, float velocityX, float velocityY, boolean consumed) {
    ViewParent p = this.getParent().getParent();

    if (p instanceof CoordinatorLayout) {
      CoordinatorLayout cl = ((CoordinatorLayout) p);
      AppBarLayout apl = (AppBarLayout) cl.findViewById(R.id.app_bar_layout);
      CoordinatorLayout.LayoutParams lp = (LayoutParams) apl.getLayoutParams();
      final Behavior viewBehavior = lp.getBehavior();
      if (viewBehavior != null) {
        viewBehavior.onNestedFling(this, apl, target, velocityX, velocityY, consumed);
      }
    }

    return super.onNestedFling(target, velocityX, velocityY, consumed);
  }
  private void handleToolbarVisibility(final boolean show) {

    final AppBarLayout appBarLayout = (AppBarLayout) mToolbar.getParent();
    final CoordinatorLayout rootLayout = (CoordinatorLayout) appBarLayout.getParent();

    final CoordinatorLayout.LayoutParams params =
        (CoordinatorLayout.LayoutParams) appBarLayout.getLayoutParams();
    final AppBarLayout.Behavior behavior = (AppBarLayout.Behavior) params.getBehavior();

    if (show) {
      // Show appBar
      behavior.setTopAndBottomOffset(0);
      behavior.onNestedPreScroll(rootLayout, appBarLayout, null, 0, 1, new int[2]);

    } else {
      // Hide appBar
      behavior.onNestedFling(rootLayout, appBarLayout, null, 0, 10000, true);
    }
  }