android.support.v4.view.ViewCompat#getElevation ( )源码实例Demo

下面列出了android.support.v4.view.ViewCompat#getElevation ( ) 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。

源代码1 项目： NanoIconPack 文件： BottomNavigationBehavior.java

@Override
public void updateSnackbar(CoordinatorLayout parent, View dependency, View child) {
    if (dependency instanceof Snackbar.SnackbarLayout) {
        if (mSnackbarHeight == -1) {
            mSnackbarHeight = dependency.getHeight();
        }

        int targetPadding = child.getMeasuredHeight();

        int shadow = (int) ViewCompat.getElevation(child);
        ViewGroup.MarginLayoutParams layoutParams = (ViewGroup.MarginLayoutParams) dependency.getLayoutParams();
        layoutParams.bottomMargin = targetPadding - shadow;
        child.bringToFront();
        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.KITKAT) {
            child.getParent().requestLayout();
            ((View) child.getParent()).invalidate();
        }

    }
}

源代码2 项目： TelePlus-Android 文件： ItemTouchUIUtilImpl.java

@Override
public void onDraw(Canvas c, RecyclerView recyclerView, View view,
        float dX, float dY, int actionState, boolean isCurrentlyActive) {
    if (isCurrentlyActive) {
        Object originalElevation = view.getTag();
        if (originalElevation == null) {
            originalElevation = ViewCompat.getElevation(view);
            float newElevation = 1f + findMaxElevation(recyclerView, view);
            ViewCompat.setElevation(view, newElevation);
            view.setTag(originalElevation);
        }
    }
    super.onDraw(c, recyclerView, view, dX, dY, actionState, isCurrentlyActive);
}

源代码3 项目： TelePlus-Android 文件： ItemTouchUIUtilImpl.java

private float findMaxElevation(RecyclerView recyclerView, View itemView) {
    final int childCount = recyclerView.getChildCount();
    float max = 0;
    for (int i = 0; i < childCount; i++) {
        final View child = recyclerView.getChildAt(i);
        if (child == itemView) {
            continue;
        }
        final float elevation = ViewCompat.getElevation(child);
        if (elevation > max) {
            max = elevation;
        }
    }
    return max;
}

源代码4 项目： ReSwipeCard 文件： ReItemTouchUIUtilImpl.java

@Override
public void onDraw(Canvas c, RecyclerView recyclerView, View view,
                   float dX, float dY, int actionState, boolean isCurrentlyActive) {
    if (isCurrentlyActive) {
        Object originalElevation = view.getTag(android.support.v7.recyclerview.R.id.item_touch_helper_previous_elevation);
        if (originalElevation == null) {
            originalElevation = ViewCompat.getElevation(view);
            float newElevation = 1f + findMaxElevation(recyclerView, view);
            ViewCompat.setElevation(view, newElevation);
            view.setTag(android.support.v7.recyclerview.R.id.item_touch_helper_previous_elevation, originalElevation);
        }
    }
    super.onDraw(c, recyclerView, view, dX, dY, actionState, isCurrentlyActive);
}

源代码5 项目： ReSwipeCard 文件： ReItemTouchUIUtilImpl.java

private float findMaxElevation(RecyclerView recyclerView, View itemView) {
    final int childCount = recyclerView.getChildCount();
    float max = 0;
    for (int i = 0; i < childCount; i++) {
        final View child = recyclerView.getChildAt(i);
        if (child == itemView) {
            continue;
        }
        final float elevation = ViewCompat.getElevation(child);
        if (elevation > max) {
            max = elevation;
        }
    }
    return max;
}

源代码6 项目： TelePlus-Android 文件： ItemTouchUIUtilImpl.java

@Override
public void onDraw(Canvas c, RecyclerView recyclerView, View view,
        float dX, float dY, int actionState, boolean isCurrentlyActive) {
    if (isCurrentlyActive) {
        Object originalElevation = view.getTag();
        if (originalElevation == null) {
            originalElevation = ViewCompat.getElevation(view);
            float newElevation = 1f + findMaxElevation(recyclerView, view);
            ViewCompat.setElevation(view, newElevation);
            view.setTag(originalElevation);
        }
    }
    super.onDraw(c, recyclerView, view, dX, dY, actionState, isCurrentlyActive);
}

源代码7 项目： TelePlus-Android 文件： ItemTouchUIUtilImpl.java

private float findMaxElevation(RecyclerView recyclerView, View itemView) {
    final int childCount = recyclerView.getChildCount();
    float max = 0;
    for (int i = 0; i < childCount; i++) {
        final View child = recyclerView.getChildAt(i);
        if (child == itemView) {
            continue;
        }
        final float elevation = ViewCompat.getElevation(child);
        if (elevation > max) {
            max = elevation;
        }
    }
    return max;
}

源代码8 项目： letv 文件： ItemTouchUIUtilImpl.java

private float findMaxElevation(RecyclerView recyclerView, View itemView) {
    int childCount = recyclerView.getChildCount();
    float max = 0.0f;
    for (int i = 0; i < childCount; i++) {
        View child = recyclerView.getChildAt(i);
        if (child != itemView) {
            float elevation = ViewCompat.getElevation(child);
            if (elevation > max) {
                max = elevation;
            }
        }
    }
    return max;
}

源代码9 项目： ClassifyView 文件： ClassifyView.java

private float findMaxElevation(RecyclerView recyclerView, View itemView) {
    final int childCount = recyclerView.getChildCount();
    float max = 0;
    for (int i = 0; i < childCount; i++) {
        final View child = recyclerView.getChildAt(i);
        if (child == itemView) {
            continue;
        }
        final float elevation = ViewCompat.getElevation(child);
        if (elevation > max) {
            max = elevation;
        }
    }
    return max;
}

源代码10 项目： ClassifyView 文件： ClassifyView.java

private float findMaxElevation(RecyclerView recyclerView) {
    final int childCount = recyclerView.getChildCount();
    float max = 0;
    for (int i = 0; i < childCount; i++) {
        final View child = recyclerView.getChildAt(i);

        final float elevation = ViewCompat.getElevation(child);
        if (elevation > max) {
            max = elevation;
        }
    }
    return max;
}

源代码11 项目： PainlessMusicPlayer 文件： QueueItemViewHolder.java

QueueItemViewHolder(@NonNull final View itemView) {
    super(itemView);
    btnMenu = itemView.findViewById(R.id.btnMenu);
    textTitle = itemView.findViewById(R.id.textTitle);
    textArtist = itemView.findViewById(R.id.textArtist);
    textDuration = itemView.findViewById(R.id.textDuration);

    mDefaultBackground = itemView.getBackground();
    mDefaultElevation = ViewCompat.getElevation(itemView);

    mElevationSelected = itemView.getResources()
            .getDimension(R.dimen.list_drag_selected_item_elevation);
}

源代码12 项目： scene 文件： AnimationOrAnimatorResourceExecutor.java

@Override
public void executePushChangeCancelable(@NonNull final AnimationInfo fromInfo, @NonNull final AnimationInfo toInfo, @NonNull final Runnable endAction, @NonNull CancellationSignal cancellationSignal) {
    // Cannot be placed in onAnimationStart, as there it a post interval, it will splash
    final View fromView = fromInfo.mSceneView;
    final View toView = toInfo.mSceneView;

    AnimatorUtility.resetViewStatus(fromView);
    AnimatorUtility.resetViewStatus(toView);
    fromView.setVisibility(View.VISIBLE);

    final float fromViewElevation = ViewCompat.getElevation(fromView);
    if (fromViewElevation > 0) {
        ViewCompat.setElevation(fromView, 0);
    }

    // In the case of pushAndClear, it is possible that the Scene come from has been destroyed.
    if (fromInfo.mSceneState.value < State.VIEW_CREATED.value) {
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR2) {
            mAnimationViewGroup.getOverlay().add(fromView);
        } else {
            mAnimationViewGroup.addView(fromView);
        }
    }

    Runnable animationEndAction = new CountRunnable(2, new Runnable() {
        @Override
        public void run() {
            if (!toInfo.mIsTranslucent) {
                fromView.setVisibility(View.GONE);
            }

            if (fromViewElevation > 0) {
                ViewCompat.setElevation(fromView, fromViewElevation);
            }

            AnimatorUtility.resetViewStatus(fromView);
            AnimatorUtility.resetViewStatus(toView);

            if (fromInfo.mSceneState.value < State.VIEW_CREATED.value) {
                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR2) {
                    mAnimationViewGroup.getOverlay().remove(fromView);
                } else {
                    mAnimationViewGroup.removeView(fromView);
                }
            }
            endAction.run();
        }
    });

    mEnterAnimator.addEndAction(animationEndAction);
    mExitAnimator.addEndAction(animationEndAction);

    mExitAnimator.start(fromView);
    mEnterAnimator.start(toView);
    cancellationSignal.setOnCancelListener(new CancellationSignal.OnCancelListener() {
        @Override
        public void onCancel() {
            mEnterAnimator.end();
            mExitAnimator.end();
        }
    });
}

源代码13 项目： letv 文件： DrawerLayout.java

protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
    int widthMode = MeasureSpec.getMode(widthMeasureSpec);
    int heightMode = MeasureSpec.getMode(heightMeasureSpec);
    int widthSize = MeasureSpec.getSize(widthMeasureSpec);
    int heightSize = MeasureSpec.getSize(heightMeasureSpec);
    if (!(widthMode == 1073741824 && heightMode == 1073741824)) {
        if (isInEditMode()) {
            if (widthMode != Integer.MIN_VALUE) {
                if (widthMode == 0) {
                    widthSize = 300;
                }
            }
            if (heightMode != Integer.MIN_VALUE) {
                if (heightMode == 0) {
                    heightSize = 300;
                }
            }
        } else {
            throw new IllegalArgumentException("DrawerLayout must be measured with MeasureSpec.EXACTLY.");
        }
    }
    setMeasuredDimension(widthSize, heightSize);
    boolean applyInsets = this.mLastInsets != null && ViewCompat.getFitsSystemWindows(this);
    int layoutDirection = ViewCompat.getLayoutDirection(this);
    boolean hasDrawerOnLeftEdge = false;
    boolean hasDrawerOnRightEdge = false;
    int childCount = getChildCount();
    for (int i = 0; i < childCount; i++) {
        View child = getChildAt(i);
        if (child.getVisibility() != 8) {
            MarginLayoutParams lp = (LayoutParams) child.getLayoutParams();
            if (applyInsets) {
                int cgrav = GravityCompat.getAbsoluteGravity(lp.gravity, layoutDirection);
                if (ViewCompat.getFitsSystemWindows(child)) {
                    IMPL.dispatchChildInsets(child, this.mLastInsets, cgrav);
                } else {
                    IMPL.applyMarginInsets(lp, this.mLastInsets, cgrav);
                }
            }
            if (isContentView(child)) {
                child.measure(MeasureSpec.makeMeasureSpec((widthSize - lp.leftMargin) - lp.rightMargin, 1073741824), MeasureSpec.makeMeasureSpec((heightSize - lp.topMargin) - lp.bottomMargin, 1073741824));
            } else if (isDrawerView(child)) {
                if (SET_DRAWER_SHADOW_FROM_ELEVATION && ViewCompat.getElevation(child) != this.mDrawerElevation) {
                    ViewCompat.setElevation(child, this.mDrawerElevation);
                }
                int childGravity = getDrawerViewAbsoluteGravity(child) & 7;
                boolean isLeftEdgeDrawer = childGravity == 3;
                if (!(isLeftEdgeDrawer && hasDrawerOnLeftEdge) && (isLeftEdgeDrawer || !hasDrawerOnRightEdge)) {
                    if (isLeftEdgeDrawer) {
                        hasDrawerOnLeftEdge = true;
                    } else {
                        hasDrawerOnRightEdge = true;
                    }
                    child.measure(getChildMeasureSpec(widthMeasureSpec, (this.mMinDrawerMargin + lp.leftMargin) + lp.rightMargin, lp.width), getChildMeasureSpec(heightMeasureSpec, lp.topMargin + lp.bottomMargin, lp.height));
                } else {
                    throw new IllegalStateException("Child drawer has absolute gravity " + gravityToString(childGravity) + " but this " + TAG + " already has a " + "drawer view along that edge");
                }
            } else {
                throw new IllegalStateException("Child " + child + " at index " + i + " does not have a valid layout_gravity - must be Gravity.LEFT, " + "Gravity.RIGHT or Gravity.NO_GRAVITY");
            }
        }
    }
}

源代码14 项目： FlowGeek 文件： OnScrollerGoDownListener.java

public State onSaveInstanceState() {
    state.translationY = view.getTranslationY();
    state.elevation = ViewCompat.getElevation(view);
    return state;
}

源代码15 项目： DiagonalLayout 文件： ShapeOfView.java

private void calculateLayout(int width, int height) {
    rectView.reset();
    rectView.addRect(0f, 0f, 1f * getWidth(), 1f * getHeight(), Path.Direction.CW);

    if (clipManager != null) {
        if (width > 0 && height > 0) {
            clipManager.setupClipLayout(width, height);
            clipPath.reset();
            clipPath.set(clipManager.createMask(width, height));

            if (requiresBitmap()) {
                if (clipBitmap != null) {
                    clipBitmap.recycle();
                }
                clipBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
                final Canvas canvas = new Canvas(clipBitmap);

                if (drawable != null) {
                    drawable.setBounds(0, 0, width, height);
                    drawable.draw(canvas);
                } else {
                    canvas.drawPath(clipPath, clipManager.getPaint());
                }
            }

            //invert the path for android P
            if(Build.VERSION.SDK_INT > Build.VERSION_CODES.O_MR1) {
                final boolean success = rectView.op(clipPath, Path.Op.DIFFERENCE);
            }

            //this needs to be fixed for 25.4.0
            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP && ViewCompat.getElevation(this) > 0f) {
                try {
                    setOutlineProvider(getOutlineProvider());
                } catch (Exception e) {
                    e.printStackTrace();
                }
            }
        }
    }

    postInvalidate();
}

方法所在类

android.support.v4.view.ViewCompat