android.view.SurfaceView#setZOrderOnTop ( )源码实例Demo

@Override
protected void onCreate(Bundle savedInstanceState) {
    log("onCreate");

    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_shoot);

    Intent intent = getIntent();
    settings = Settings.getFromIntent(intent);

    shotCount = 0;
    takingPicture = false;
    burstShooting = settings.interval == 0;

    tvCount = (TextView) findViewById(R.id.tvCount);
    tvBattery = (TextView) findViewById(R.id.tvBattery);
    tvRemaining = (TextView) findViewById(R.id.tvRemaining);
    llEnd = (LinearLayout) findViewById(R.id.llEnd);

    reviewSurfaceView = (SurfaceView) findViewById(R.id.surfaceView);
    reviewSurfaceView.setZOrderOnTop(false);
    cameraSurfaceHolder = reviewSurfaceView.getHolder();
    cameraSurfaceHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
}
 

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_multi_surface_test);

    // #1 is at the bottom; mark it as secure just for fun.  By default, this will use
    // the RGB565 color format.
    mSurfaceView1 = (SurfaceView) findViewById(R.id.multiSurfaceView1);
    mSurfaceView1.getHolder().addCallback(this);
    mSurfaceView1.setSecure(true);

    // #2 is above it, in the "media overlay"; must be translucent or we will totally
    // obscure #1 and it will be ignored by the compositor.  The addition of the alpha
    // plane should switch us to RGBA8888.
    mSurfaceView2 = (SurfaceView) findViewById(R.id.multiSurfaceView2);
    mSurfaceView2.getHolder().addCallback(this);
    mSurfaceView2.getHolder().setFormat(PixelFormat.TRANSLUCENT);
    mSurfaceView2.setZOrderMediaOverlay(true);

    // #3 is above everything, including the UI.  Also translucent.
    mSurfaceView3 = (SurfaceView) findViewById(R.id.multiSurfaceView3);
    mSurfaceView3.getHolder().addCallback(this);
    mSurfaceView3.getHolder().setFormat(PixelFormat.TRANSLUCENT);
    mSurfaceView3.setZOrderOnTop(true);
}
 

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_multi_surface_test);

    // #1 is at the bottom; mark it as secure just for fun.  By default, this will use
    // the RGB565 color format.
    mSurfaceView1 = (SurfaceView) findViewById(R.id.multiSurfaceView1);
    mSurfaceView1.getHolder().addCallback(this);
    mSurfaceView1.setSecure(true);

    // #2 is above it, in the "media overlay"; must be translucent or we will totally
    // obscure #1 and it will be ignored by the compositor.  The addition of the alpha
    // plane should switch us to RGBA8888.
    mSurfaceView2 = (SurfaceView) findViewById(R.id.multiSurfaceView2);
    mSurfaceView2.getHolder().addCallback(this);
    mSurfaceView2.getHolder().setFormat(PixelFormat.TRANSLUCENT);
    mSurfaceView2.setZOrderMediaOverlay(true);

    // #3 is above everything, including the UI.  Also translucent.
    mSurfaceView3 = (SurfaceView) findViewById(R.id.multiSurfaceView3);
    mSurfaceView3.getHolder().addCallback(this);
    mSurfaceView3.getHolder().setFormat(PixelFormat.TRANSLUCENT);
    mSurfaceView3.setZOrderOnTop(true);
}
 

public PjSipVideo(Context context) {
    super(context);

    surfaceView = new SurfaceView(context);
    surfaceView.getHolder().addCallback(this);
    surfaceView.setZOrderOnTop(false);
    addView(surfaceView);
}
 

public PjSipVideo(Context context) {
    super(context);

    surfaceView = new SurfaceView(context);
    surfaceView.getHolder().addCallback(this);
    surfaceView.setZOrderOnTop(false);
    addView(surfaceView);
}
 

private void fixZOrder(SurfaceView video, SurfaceView preview) {
	video.setZOrderOnTop(false);
	preview.setZOrderOnTop(true);
	preview.setZOrderMediaOverlay(true); // Needed to be able to display control layout over
}
 

public void onSwitchRemoteUsers(View view) {
    String from = (String) view.getTag();
    if (from == null)
        return;
    String to = (String) localView.getTag();
    FrameLayout layout = (FrameLayout) view;
    SurfaceView fromView = (SurfaceView) layout.getChildAt(0);
    SurfaceView toView = localView;

    localViewContainer.removeAllViews();
    layout.removeAllViews();

    View singleRemoteView = remoteViewContainer.findViewWithTag(from + "view");
    UserInfo toUserInfo = RongContext.getInstance().getUserInfoFromCache(to);
    UserInfo fromUserInfo = RongContext.getInstance().getUserInfoFromCache(from);

    AsyncImageView userPortraitView = (AsyncImageView) singleRemoteView.findViewById(R.id.user_portrait);
    TextView backUserNameView = (TextView) singleRemoteView.findViewById(R.id.user_name);

    if (toUserInfo != null) {
        if (toUserInfo.getPortraitUri() != null) {
            userPortraitView.setAvatar(toUserInfo.getPortraitUri().toString(), R.drawable.rc_default_portrait);
        }
        backUserNameView.setText(toUserInfo.getName());
    } else {
        backUserNameView.setText(to);
    }
    singleRemoteView.setTag(to + "view");
    fromView.setZOrderOnTop(false);
    fromView.setZOrderMediaOverlay(false);
    localViewContainer.addView(fromView);
    toView.setZOrderOnTop(true);
    toView.setZOrderMediaOverlay(true);
    layout.addView(toView);

    TextView topUserNameView = (TextView) topContainer.findViewById(R.id.rc_voip_user_name);
    if (fromUserInfo != null) {
        topUserNameView.setText(fromUserInfo.getName());
    } else {
        topUserNameView.setText(from);
    }
    layout.setTag(to);
    localView = fromView;
    localView.setTag(from);
    localViewUserId = from;
}