Android surfaceView，TextureView、

TextureView截屏

  public void getBitmap(TextureView vv)
   {
       String mPath = Environment.getExternalStorageDirectory().toString()
               + "/Pictures/" + Utilities.getDayTimeString() + ".png";  
       Toast.makeText(getApplicationContext(), "Capturing Screenshot: " + mPath, Toast.LENGTH_SHORT).show();
       Bitmap bm = vv.getBitmap();        if(bm == null)
           Log.e(TAG,"bitmap is null");
       OutputStream fout = null;
       File imageFile = new File(mPath);        try {
           fout = new FileOutputStream(imageFile);
           bm.compress(Bitmap.CompressFormat.PNG, 90, fout);
           fout.flush();
           fout.close();
       } catch (FileNotFoundException e) {
           Log.e(TAG, "FileNotFoundException");
           e.printStackTrace();
       } catch (IOException e) {
           Log.e(TAG, "IOException");
           e.printStackTrace();
       }
   }  

surfaceView截屏

private void screenShotVideo(String filePath) {
        MediaMetadataRetriever mmr = new MediaMetadataRetriever();
        mmr.setDataSource(filePath);
        if (new File(filePath).exists()) {
            if (Build.VERSION.SDK_INT >= 14) {
                mmr.setDataSource(filePath, new HashMap<String, String>());
            } else {
                mmr.setDataSource(filePath);
            }
//获取第一帧 (手机上还可以，tv盒子上很糊，保存在本地，adb pull出来，图片的清晰度和视频一样。不知为何很模糊)
            Bitmap fristFrame = mmr.getFrameAtTime(0, MediaMetadataRetriever.OPTION_CLOSEST_SYNC);
            mmr.release();
            if (fristFrame != null) {
                mImageView.setImageBitmap(fristFrame);                mImageView.animate().alpha(1.0f).setDuration(60).start();
            }
        }
    }

root 截图

Process process = null;
try{
    process = Runtime.getRuntime().exec("su");
    PrintStream outputStream = null;
    try {
        outputStream = new PrintStream(new BufferedOutputStream(process.getOutputStream(), 8192));
        outputStream.println("screencap -p " + filePath);
        outputStream.flush();
    }catch(Exception e){
        Log.e(TAG, e);
    } finally {
        if (outputStream != null) {
            outputStream.close();
        }
    }
    process.waitFor();
}catch(Exception e){
    Log.e(TAG, e);
}finally {
    if(process != null){
        process.destroy();
    }
}