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

下面列出了android.view.SurfaceView#getLayoutParams ( ) 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。

源代码1 项目： habpanelviewer 文件： MainActivity.java

public void updateMotionPreferences() {
    final SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(MainActivity.this);

    if (mCam != null) {
        mCam.updateFromPreferences(prefs);
    }

    if (mMotionDetector != null) {
        mMotionDetector.updateFromPreferences(prefs);
    }

    SurfaceView motionView = findViewById(R.id.motionView);
    boolean showPreview = prefs.getBoolean(Constants.PREF_MOTION_DETECTION_PREVIEW, false);

    if (showPreview && mCam != null && mCam.canBeUsed()) {
        ViewGroup.LayoutParams params = motionView.getLayoutParams();
        params.height = 480;
        params.width = 640;
        motionView.setLayoutParams(params);

        motionView.setVisibility(View.VISIBLE);
    } else {
        motionView.setVisibility(View.INVISIBLE);
    }
}

源代码2 项目： DeviceConnect-Android 文件： RTSPPlayerActivity.java

private void changePlayerSize(int pictureWidth, int pictureHeight) {
    View root = findViewById(R.id.root);
    SurfaceView surfaceView = findViewById(R.id.surface_view);

    Size changeSize;
    Size viewSize = new Size(root.getWidth(), root.getHeight());
    changeSize = calculateViewSize(pictureWidth, pictureHeight, viewSize);

    ViewGroup.LayoutParams layoutParams = surfaceView.getLayoutParams();
    layoutParams.width = changeSize.getWidth();
    layoutParams.height = changeSize.getHeight();
    surfaceView.setLayoutParams(layoutParams);
}

源代码3 项目： DeviceConnect-Android 文件： SRTPlayerActivity.java

private void changePlayerSize(int pictureWidth, int pictureHeight) {
    View root = findViewById(R.id.root);
    SurfaceView surfaceView = findViewById(R.id.surface_view);

    Size changeSize;
    Size viewSize = new Size(root.getWidth(), root.getHeight());
    changeSize = calculateViewSize(pictureWidth, pictureHeight, viewSize);

    ViewGroup.LayoutParams layoutParams = surfaceView.getLayoutParams();
    layoutParams.width = changeSize.getWidth();
    layoutParams.height = changeSize.getHeight();
    surfaceView.setLayoutParams(layoutParams);
}

源代码4 项目： Exoplayer_VLC 文件： VideoActivity.java

private void changeSurfaceLayout() {
    int sw;
    int sh;
    // get screen size
        sw = getWindow().getDecorView().getWidth();
        sh = getWindow().getDecorView().getHeight();
  
    if (libvlc != null && !libvlc.useCompatSurface())
    	libvlc.setWindowSize(sw, sh);

    double dw = sw, dh = sh;
    boolean isPortrait;
        isPortrait = false;
    if (sw > sh && isPortrait || sw < sh && !isPortrait) {
        dw = sh;
        dh = sw;
    }

    // sanity check
    if (dw * dh == 0 || mVideoWidth * mVideoHeight == 0) {
        Log.e(TAG, "Invalid surface size");
        return;
    }
    // compute the aspect ratio
    double ar, vw;
    if (mSarDen == mSarNum) {
        /* No indication about the density, assuming 1:1 */
        vw = mVideoVisibleWidth;
        ar = (double)mVideoVisibleWidth / (double)mVideoVisibleHeight;
    } else {
        /* Use the specified aspect ratio */
        vw = mVideoVisibleWidth * (double)mSarNum / mSarDen;
        ar = vw / mVideoVisibleHeight;
    }
    // compute the display aspect ratio
    double dar = dw / dh;
    switch (mCurrentSize) {
        case SURFACE_BEST_FIT:
            if (dar < ar)
                dh = dw / ar;
            else
                dw = dh * ar;
            break;
        case SURFACE_FIT_HORIZONTAL:
            dh = dw / ar;
            break;
        case SURFACE_FIT_VERTICAL:
            dw = dh * ar;
            break;
        case SURFACE_FILL:
            break;
        case SURFACE_16_9:
            ar = 16.0 / 9.0;
            if (dar < ar)
                dh = dw / ar;
            else
                dw = dh * ar;
            break;
        case SURFACE_4_3:
            ar = 4.0 / 3.0;
            if (dar < ar)
                dh = dw / ar;
            else
                dw = dh * ar;
            break;
        case SURFACE_ORIGINAL:
            dh = mVideoVisibleHeight;
            dw = vw;
            break;
    }

    SurfaceView surface; 
    FrameLayout surfaceFrame;
        surface = mSurfaceView;
      //   surfaceFrame = mSurfaceFrame;
    // set display size
    LayoutParams lp = surface.getLayoutParams();
    lp.width  = (int) Math.ceil(dw * mVideoWidth / mVideoVisibleWidth);
    lp.height = (int) Math.ceil(dh * mVideoHeight / mVideoVisibleHeight);
    surface.setLayoutParams(lp); 

    // set frame size (crop if necessary)
 //   lp = surfaceFrame.getLayoutParams();
  //  lp.width = (int) Math.floor(dw);
 //   lp.height = (int) Math.floor(dh);
 //   surfaceFrame.setLayoutParams(lp);

    surface.invalidate(); 
}

方法所在类

android.view.SurfaceView