webRTC（二十二）：android 录屏保存

private void release() {

if (mediaCodec != null) {

mediaCodec.stop();

mediaCodec.release();

mediaCodec = null;

}

if (mVirtualDisplay != null) {

mVirtualDisplay.release();

mVirtualDisplay = null;

}

if (mediaProjection != null) {

mediaProjection.stop();

mediaProjection = null;

}

if (mediaMuxer != null) {

mediaMuxer.release();

mediaMuxer = null;

}

}

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_save_screen);

DisplayMetrics metric = new DisplayMetrics();

getWindowManager().getDefaultDisplay().getMetrics(metric);

width = metric.widthPixels;

height = metric.heightPixels;

dpi = metric.densityDpi