Java Code Examples for android.support.design.widget.CoordinatorLayout#LayoutParams

@Test
public void animations() {
    ScaleAnimation animation = new ScaleAnimation(1f, 0f, 1f, 0f);
    AnimationViewBehavior behavior = new AnimationViewBehavior.Builder()
            .dependsOn(firstView.getId(), SimpleViewBehavior.DEPEND_TYPE_Y)
            .targetValue(100)
            .animation(animation)
            .build();

    CoordinatorLayout.LayoutParams params = new CoordinatorLayout.LayoutParams(320, 200);
    params.setBehavior(behavior);
    secondView.setLayoutParams(params);

    ShadowAnimation shadowAnimation = Shadow.extract(animation);

    firstView.setY(50);
    coordinatorLayout.requestLayout();
    assertEquals(500L, shadowAnimation.getLastTimeGetTransform());

    firstView.setY(100);
    coordinatorLayout.requestLayout();
    assertEquals(1000L, shadowAnimation.getLastTimeGetTransform());
}
 

@Override
public void onSaveToggle(String text) {
    if (snackbar == null) {
        snackbar = Snackbar.make(binding.coordinator, "Hello", Snackbar.LENGTH_SHORT);
        final CoordinatorLayout.LayoutParams params = (CoordinatorLayout.LayoutParams) snackbar.getView().getLayoutParams();
        params.setMargins(
                (int) getResources().getDimension(R.dimen.snackbar_margin_vertical),
                0,
                (int) getResources().getDimension(R.dimen.snackbar_margin_vertical),
                (int) getResources().getDimension(R.dimen.snackbar_margin_horizontal)
        );
        snackbar.getView().setLayoutParams(params);
        snackbar.getView().setPadding(
                (int) getResources().getDimension(R.dimen.snackbar_padding),
                (int) getResources().getDimension(R.dimen.snackbar_padding),
                (int) getResources().getDimension(R.dimen.snackbar_padding),
                (int) getResources().getDimension(R.dimen.snackbar_padding)
        );
    }
    if (snackbar.isShown()) {
        snackbar.dismiss();
    }
    snackbar.setText(text);
    snackbar.show();
}
 

@Override
protected void layoutChild(final CoordinatorLayout parent, final View child, final int layoutDirection) {
    final List<View> dependencies = parent.getDependencies(child);
    final View header = findFirstDependency(dependencies);

    if (header != null) {
        final CoordinatorLayout.LayoutParams lp = (CoordinatorLayout.LayoutParams) child.getLayoutParams();
        final Rect available = mTempRect1;
        available.set(parent.getPaddingLeft() + lp.leftMargin, header.getBottom() + lp.topMargin,
                parent.getWidth() - parent.getPaddingRight() - lp.rightMargin,
                parent.getHeight() + header.getBottom() - parent.getPaddingBottom() - lp.bottomMargin);

        final Rect out = mTempRect2;
        GravityCompat.apply(resolveGravity(lp.gravity), child.getMeasuredWidth(), child.getMeasuredHeight(), available, out, layoutDirection);

        final int overlap = getOverlapPixelsForOffset(header);

        child.layout(out.left, out.top - overlap, out.right, out.bottom - overlap);
        mVerticalLayoutGap = out.top - header.getBottom();
    } else {
        // If we don't have a dependency, let super handle it
        super.layoutChild(parent, child, layoutDirection);
        mVerticalLayoutGap = 0;
    }
}
 

@Test
public void targetAlpha() {
    SimpleViewBehavior behavior = new SimpleViewBehavior.Builder()
            .dependsOn(firstView.getId(), SimpleViewBehavior.DEPEND_TYPE_Y)
            .targetValue(100)
            .targetAlpha(0)
            .build();
    CoordinatorLayout.LayoutParams params = new CoordinatorLayout.LayoutParams(320, 200);
    params.setBehavior(behavior);
    secondView.setLayoutParams(params);

    // move first view by 100%
    firstView.setY(100);
    coordinatorLayout.requestLayout();

    assertEquals(0f, secondView.getAlpha());
}
 

public static void clearAnchorGravityAndApplyMargins(@NonNull final View view) {
    final ViewGroup parent = (ViewGroup) view.getParent();
    if (parent instanceof CoordinatorLayout) {
        final Rect rect = new Rect();
        parent.getChildVisibleRect(view, rect, null);

        final ViewGroup.LayoutParams lp = view.getLayoutParams();
        if (lp instanceof CoordinatorLayout.LayoutParams) {
            ((CoordinatorLayout.LayoutParams) lp).anchorGravity = 0;
            ((CoordinatorLayout.LayoutParams) lp).setAnchorId(0);
            ((CoordinatorLayout.LayoutParams) lp).setMargins(rect.left, rect.top,
                    ((CoordinatorLayout.LayoutParams) lp).rightMargin,
                    ((CoordinatorLayout.LayoutParams) lp).bottomMargin);
        }
    }
}
 

private void initToolbar(final boolean fullScreenOnly) {
    toolbar.setNavigationIcon(R.drawable.belvedere_ic_close);
    toolbar.setNavigationContentDescription(R.string.belvedere_toolbar_desc_collapse);
    toolbar.setBackgroundColor(Color.WHITE);
    toolbar.setNavigationOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            if(!fullScreenOnly) {
                bottomSheetBehavior.setState(BottomSheetBehavior.STATE_COLLAPSED);
            } else {
                dismiss();
            }
        }
    });

    if (Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) {
        toolbarCompatShadow.setVisibility(View.VISIBLE);
    }

    CoordinatorLayout.LayoutParams layoutParams =
            (CoordinatorLayout.LayoutParams) toolbarContainer.getLayoutParams();

    if(layoutParams != null) {
        layoutParams.setBehavior(new ToolbarBehavior(!fullScreenOnly));
    }
}
 

@Test
public void dependsOnX() {
    SimpleViewBehavior behavior = new SimpleViewBehavior.Builder()
            .dependsOn(firstView.getId(), SimpleViewBehavior.DEPEND_TYPE_X)
            .targetValue(100)
            .targetX(100)
            .targetY(200)
            .build();
    CoordinatorLayout.LayoutParams params = new CoordinatorLayout.LayoutParams(320, 200);
    params.setBehavior(behavior);
    secondView.setLayoutParams(params);

    // move first view by 50%
    firstView.setX(50);
    coordinatorLayout.requestLayout();
    assertEquals(0.5f, secondView.getCurrentPercent());
}
 

@Test
public void dependsOnWidth() {
    SimpleViewBehavior behavior = new SimpleViewBehavior.Builder()
            .dependsOn(firstView.getId(), SimpleViewBehavior.DEPEND_TYPE_WIDTH)
            .targetValue(160)
            .targetX(100)
            .targetY(200)
            .build();
    CoordinatorLayout.LayoutParams params = new CoordinatorLayout.LayoutParams(320, 200);
    params.setBehavior(behavior);
    secondView.setLayoutParams(params);

    // resize first view's width
    CoordinatorLayout.LayoutParams resizeParams = new CoordinatorLayout.LayoutParams(firstView.getLayoutParams());
    resizeParams.width = 160;
    firstView.setLayoutParams(resizeParams);
    coordinatorLayout.requestLayout();
    assertEquals(1.0f, secondView.getCurrentPercent());
}
 

@ReactProp(name = "translucent")
public void setTranslucent(AppBarLayout view, boolean translucent) {
    if (Build.VERSION.SDK_INT >= 21 && translucent) {
        int statusBarHeight = getStatusBarHeight(view.getContext());
        CoordinatorLayout.LayoutParams params = (CoordinatorLayout.LayoutParams) view.getLayoutParams();
        params.setMargins(0, statusBarHeight, 0, 0);
    }
}
 

/**
 * Loads the finish screen and unloads all other screens
 */
private void loadFinishScreen() {
    // Remove anchor by resetting layout params since anchor element has been removed from the screen
    CoordinatorLayout.LayoutParams lp = new CoordinatorLayout.LayoutParams(CoordinatorLayout.LayoutParams.WRAP_CONTENT, CoordinatorLayout.LayoutParams.WRAP_CONTENT);
    mFloatingActionButton.setLayoutParams(lp);
    mFloatingActionButton.setVisibility(View.INVISIBLE);

    NestedScrollView contentLayout = (NestedScrollView) findViewById(R.id.challenge_rootcontainer);
    if (contentLayout != null) {
        contentLayout.removeAllViews();
        View view = getLayoutInflater().inflate(R.layout.fragment_finish_challenge, contentLayout, false);
        contentLayout.addView(view);
    }
}
 

@Override
public boolean onLayoutChild(CoordinatorLayout parent, View child, int layoutDirection) {
    // FIXME: 16/7/27 不知道为啥在XML设置-45dip,解析出来的topMargin少了1个px,所以这里用代码设置一遍
    ((CoordinatorLayout.LayoutParams) child.getLayoutParams()).topMargin = -getTitleHeight();
    parent.onLayoutChild(child, layoutDirection);
    if (BuildConfig.DEBUG) {
        Log.d(TAG, "layoutChild:top" + child.getTop() + ",height" + child.getHeight());
    }
    return true;
}
 

private void configMap() {
    ConfigInteracter configInteracter = new ConfigInteracter(getActivity());

    mAmap.getUiSettings().setScaleControlsEnabled(configInteracter.isShowScaleControl());
    mAmap.getUiSettings().setZoomGesturesEnabled(configInteracter.isZoomGesturesEnabled());
    mAmap.getUiSettings().setTiltGesturesEnabled(configInteracter.isOverlookEnable());
    mAmap.getUiSettings().setRotateGesturesEnabled(configInteracter.isRotateEnable());
    mAmap.setTrafficEnabled(configInteracter.isTrafficEnable());
    mAmap.getUiSettings().setZoomControlsEnabled(false);
    mAmap.getUiSettings().setIndoorSwitchEnabled(false);
    if (configInteracter.getNightMode() == 2){
        mAmap.setMapType(AMap.MAP_TYPE_NIGHT);
    }else {
        mAmap.setMapType(AMap.MAP_TYPE_NORMAL);
    }

    CoordinatorLayout.LayoutParams params = new CoordinatorLayout.LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT);
    if (configInteracter.getZoomControlsPosition()) {
        params.rightMargin = AppUtils.dip2Px(getActivity(), 10);
        params.gravity = Gravity.CENTER_VERTICAL | Gravity.RIGHT;
    } else {
        params.leftMargin = AppUtils.dip2Px(getActivity(), 10);
        params.gravity = Gravity.CENTER_VERTICAL | Gravity.LEFT;
    }
    mCardZoom.setLayoutParams(params);
    CoordinatorLayout.LayoutParams params3 = new CoordinatorLayout.LayoutParams(AppUtils.dip2Px(getActivity(), 40), AppUtils.dip2Px(getActivity(), 40));
    params3.leftMargin = AppUtils.dip2Px(getActivity(), 10);
    params3.topMargin = AppUtils.dip2Px(getActivity(), 10);
    mImageCompass.setLayoutParams(params3);
}
 

/**
 * Anchor a view to the top of the bottomsheet/parallax.
 * @throws IllegalStateException when the view given does not have
 * {@link android.view.ViewGroup.LayoutParams} of type {@link CoordinatorLayout.LayoutParams}
 * @param view View to be anchored.
 */
public void anchorView(View view) {
    if (!(view.getLayoutParams() instanceof CoordinatorLayout.LayoutParams)) {
        throw new IllegalStateException("View must be a child of a CoordinatorLayout");
    }
    anchoredViews.add(view);
}
 

@Override
protected void initData(Bundle savedInstanceState) {
    super.initData(savedInstanceState);
    setupViewPager();
    CoordinatorLayout.LayoutParams layoutParams = (CoordinatorLayout.LayoutParams)
            mHeaderView.getLayoutParams();
    mHeaderPagerBehavior = (WeiboHeaderPagerBehavior) layoutParams.getBehavior();
    mHeaderPagerBehavior.setPagerStateListener(this);
}
 

/**
 * A utility function to get the {@link RNBottomSheetBehavior} associated with the {@code view}.
 *
 * @param view The {@link View} with {@link RNBottomSheetBehavior}.
 * @return The {@link RNBottomSheetBehavior} associated with the {@code view}.
 */
@SuppressWarnings("unchecked")
public static <V extends View> RNBottomSheetBehavior<V> from(V view) {
  ViewGroup.LayoutParams params = view.getLayoutParams();
  if (!(params instanceof CoordinatorLayout.LayoutParams)) {
    throw new IllegalArgumentException("The view is not a child of CoordinatorLayout");
  }
  CoordinatorLayout.Behavior behavior = ((CoordinatorLayout.LayoutParams) params)
      .getBehavior();
  if (!(behavior instanceof RNBottomSheetBehavior)) {
    throw new IllegalArgumentException(
        "The view is not associated with RNBottomSheetBehavior");
  }
  return (RNBottomSheetBehavior<V>) behavior;
}
 

private void removeBehaviorAttr(final ViewGroup container) {
    //If the behavior hasn't been removed then when collapsing the toolbar the layout will resize which is annoying

    final CoordinatorLayout.LayoutParams layoutParams = (CoordinatorLayout.LayoutParams) container.getLayoutParams();
    layoutParams.setBehavior(null);
    container.setLayoutParams(layoutParams);
}
 

@Subscribe
public void changeFullscreenVisibilityEvent(ChangeFullscreenEvent event) {
    if (event.toFullscreen && getSupportActionBar() != null) {
        getSupportActionBar().hide();
        // mAppBarLayout.animate().translationY(-mAppBarLayout.getBottom()).setInterpolator(new AccelerateInterpolator()).start();
    } else if (getSupportActionBar() != null) {
        getSupportActionBar().show();
        // mAppBarLayout.animate().translationY(0).setInterpolator(new AccelerateInterpolator()).start();
    }

    new Handler().postDelayed(new Runnable() {
        @Override
        public void run() {
            mAppBarLayout.getParent().requestLayout();
        }
    }, 600);

    if (event.toFullscreen) {
        // Hide status bar
        this.getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN);

        // Remove the layout behavior on fragment container to prevent issue with the fullscreen
        CoordinatorLayout.LayoutParams fragmentContainerLayoutParams =
                (CoordinatorLayout.LayoutParams) mFragmentContainer.getLayoutParams();
        mFragmentLayoutBehavior = fragmentContainerLayoutParams.getBehavior();
        fragmentContainerLayoutParams.setBehavior(null);
    } else {
        // Show status bar
        getWindow().clearFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN);

        // Set back the layout behavior on fragment container
        ((CoordinatorLayout.LayoutParams) mFragmentContainer.getLayoutParams())
                .setBehavior(new AppBarLayout.ScrollingViewBehavior());
    }
}
 

@Override
public boolean onDependentViewChanged(CoordinatorLayout parent, CircleImageView child, View dependency) {
    CoordinatorLayout.LayoutParams lp= (CoordinatorLayout.LayoutParams) child.getLayoutParams();

    int maxNumber= (int) (mMarginTop-getStatusBarHeight());

    float percentageFactor = dependency.getY() / maxNumber;
    int proportionalAvatarSize = (int) (mMaxAvatarSize * (percentageFactor));

    float childMarginTop    = dependency.getY() - (child.getHeight() /2+20);
    float childMarginLeft   = (dependency.getWidth() / 2) - (child.getWidth() / 2);
    float pChildMarginLeft  = childMarginLeft * percentageFactor;

    int extraFinalPadding = (int) (EXTRA_FINAL_AVATAR_PADDING * (1f - percentageFactor));

    if (percentageFactor >= MIN_AVATAR_PERCETAGE_SIZE) {
        lp.width = proportionalAvatarSize;
        lp.height = proportionalAvatarSize;
    }

    lp.setMargins(
            (int) pChildMarginLeft + extraFinalPadding,
            (int) childMarginTop + extraFinalPadding,
            lp.rightMargin,
            lp.bottomMargin
    );
    child.setLayoutParams(lp);
    return true;
}
 

private void hideFloatingActionButton(FloatingActionButton fabSearch) {
    ViewGroup.LayoutParams layoutParams = fabSearch.getLayoutParams();
    if (layoutParams instanceof CoordinatorLayout.LayoutParams) {
        CoordinatorLayout.LayoutParams coLayoutParams = (CoordinatorLayout.LayoutParams) layoutParams;
        FloatingActionButton.Behavior behavior = new FloatingActionButton.Behavior();
        coLayoutParams.setBehavior(behavior);
    }
    fabSearch.hide();
}
 

/**
 * A utility function to get the {@link BottomSheetBehaviorV2} associated with the {@code view}.
 *
 * @param view The {@link View} with {@link BottomSheetBehaviorV2}.
 * @return The {@link BottomSheetBehaviorV2} associated with the {@code view}.
 */
@SuppressWarnings("unchecked")
public static <V extends View> BottomSheetBehaviorV2<V> from(V view) {
    ViewGroup.LayoutParams params = view.getLayoutParams();
    if (!(params instanceof CoordinatorLayout.LayoutParams)) {
        throw new IllegalArgumentException("The view is not a child of CoordinatorLayout");
    }
    CoordinatorLayout.Behavior behavior = ((CoordinatorLayout.LayoutParams) params)
            .getBehavior();
    if (!(behavior instanceof BottomSheetBehaviorV2)) {
        throw new IllegalArgumentException(
                "The view is not associated with BottomSheetBehavior");
    }
    return (BottomSheetBehaviorV2<V>) behavior;
}