Android应用中利用SurfaceView截屏时出现黑屏如何解决-创新互联
                                            这期内容当中小编将会给大家带来有关Android应用中利用SurfaceView截屏时出现黑屏如何解决,文章内容丰富且以专业的角度为大家分析和叙述,阅读完这篇文章希望大家可以有所收获。

1、首先看我们一般是怎么用SurfaceView的
public class SuperSurfaceView extends SurfaceView implements SurfaceHolder.Callback {
 SurfaceHolder surfaceHolder;
 
 public SuperSurfaceView(Context context) {
  super(context);
  surfaceHolder = this.getHolder();
  surfaceHolder.addCallback(this);
 }
 
 @Override
 public void surfaceChanged(SurfaceHolder holder, int format, int width,
        int height) {
 
 }
 
 @Override
 public void surfaceCreated(SurfaceHolder holder) {
  new Thread(new MyThread()).start();
 }
 
 @Override
 public void surfaceDestroyed(SurfaceHolder holder) {
 
 }
 
 class MyThread implements Runnable {
  @Override
  public void run() {
   Canvas canvas = surfaceHolder.lockCanvas(null);//获取画布
   Paint mPaint = new Paint();
   mPaint.setColor(Color.BLUE);
   canvas.drawRect(new RectF(100, 100, 1000, 550), mPaint);
   surfaceHolder.unlockCanvasAndPost(canvas);//解锁画布,提交画好的图像
 
  }
 }
}                                                当前题目:Android应用中利用SurfaceView截屏时出现黑屏如何解决-创新互联
文章源于:http://www.scyingshan.cn/article/cdhhip.html

 建站
建站
 咨询
咨询 售后
售后
 建站咨询
建站咨询 
 