Android surfaceView填充全屏，亲测有效

亦凉 2021-09-07 06:19 1162阅读 0赞

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2NzZG5fbG92ZVFpbmdRaW5n_size_16_color_FFFFFF_t_70][]

使用环境：

使用到surfaceView，发现底部总有部分不能填充

使用方法：

获取到surfaceView的实际宽高，将这个宽高通过surfaceView的holder赋值。

代码如下：

@RequiresApi(api = Build.VERSION_CODES.LOLLIPOP)
        @Override
        public void onWindowFocusChanged(boolean hasFocus) {
            super.onWindowFocusChanged(hasFocus);
            if (hasFocus) {
                int width = mSurfaceView.getMeasuredWidth() / 2;
                //int height = mSurfaceView.getMeasuredHeight();
                SurfaceHolder holder = mSurfaceView.getHolder();
                holder.setFixedSize(width, width);
                //setSurfaceViewCorner(width);
            }
        }

项目中需要用到圆形的surfaceView，代码如下：

@RequiresApi(api = Build.VERSION_CODES.LOLLIPOP)
        private void setSurfaceViewCorner(final float radius) {
            mSurfaceView.setOutlineProvider(new ViewOutlineProvider() {
                @Override
                public void getOutline(View view, Outline outline) {
                    Rect rect = new Rect();
                    view.getGlobalVisibleRect(rect);
                    int leftMargin = 0;
                    int topMargin = 0;
                    Rect selfRect = new Rect(leftMargin, topMargin,
                            rect.right - rect.left,
                            rect.bottom - rect.top);
                    LogUtil.e("right-->" + (rect.right - rect.left));
                    LogUtil.e("bottom-->" + (rect.bottom - rect.top));
                    outline.setRoundRect(selfRect, radius);
                }
            });
            mSurfaceView.setClipToOutline(true);
        }

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