Java TextureView类代码示例

import android.view.TextureView; //导入依赖的package包/类
@Override
public synchronized void updateFromPreferences(SharedPreferences prefs) {
    boolean newEnabled = prefs.getBoolean("pref_motion_detection_enabled", false);
    int newBoxes = Integer.parseInt(prefs.getString("pref_motion_detection_granularity", "20"));
    int newLeniency = Integer.parseInt(prefs.getString("pref_motion_detection_leniency", "20"));
    int newDeviceRotation = mContext.getWindowManager().getDefaultDisplay().getRotation();

    if (newEnabled) {
        mListener.updateFromPreferences(prefs);

        boolean changed = newBoxes != mBoxes || newLeniency != mLeniency || newDeviceRotation != mDeviceRotation;

        if (changed && mEnabled) {
            stopDetection();
        }

        if (ContextCompat.checkSelfPermission(mContext, Manifest.permission.CAMERA) == PackageManager.PERMISSION_GRANTED) {
            try {
                mBoxes = newBoxes;
                mLeniency = newLeniency;
                mDeviceRotation = newDeviceRotation;

                startDetection((TextureView) mContext.findViewById(R.id.previewView), newDeviceRotation * 90);
                mEnabled = true;
            } catch (CameraException e) {
                Log.e(TAG, "Could not enable MotionDetector", e);
            }
        } else {
            ActivityCompat.requestPermissions(mContext, new String[]{Manifest.permission.CAMERA},
                    MY_PERMISSIONS_MOTION_REQUEST_CAMERA);
        }
    } else if (mEnabled) {
        stopDetection();
        mEnabled = false;
    }
}
 

import android.view.TextureView; //导入依赖的package包/类
@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    mAudioManager = (AudioManager) getActivity().getSystemService(Context.AUDIO_SERVICE);

    // Initialize instance variables.
    TextureView textureView = (TextureView) getActivity().findViewById(R.id.texture_view);
    textureView.setSurfaceTextureListener(this);

    setBackgroundType(BACKGROUND_TYPE);

    // Set up listener.
    setOnItemViewClickedListener(new ItemViewClickedListener());
}
 

import android.view.TextureView; //导入依赖的package包/类
@Override
protected void onCreate(Bundle savedInstanceState) {
	super.onCreate(savedInstanceState);
	setContentView(R.layout.activity_ffmpeg_preview);

	cancelBtn = (Button) findViewById(R.id.play_cancel);
	cancelBtn.setOnClickListener(this);
	
	DisplayMetrics displaymetrics = new DisplayMetrics();
	getWindowManager().getDefaultDisplay().getMetrics(displaymetrics);
	surfaceView = (TextureView) findViewById(R.id.preview_video);
	
	RelativeLayout previewVideoParent = (RelativeLayout)findViewById(R.id.preview_video_parent);
	LayoutParams layoutParams = (LayoutParams) previewVideoParent
			.getLayoutParams();
	layoutParams.width = displaymetrics.widthPixels;
	layoutParams.height = displaymetrics.widthPixels;
	previewVideoParent.setLayoutParams(layoutParams);
	
	surfaceView.setSurfaceTextureListener(this);
	surfaceView.setOnClickListener(this);
	
	path = getIntent().getStringExtra("path");
	
	imagePlay = (ImageView) findViewById(R.id.previre_play);
	imagePlay.setOnClickListener(this);
	
	mediaPlayer = new MediaPlayer();
	mediaPlayer.setOnCompletionListener(this);
}
 

import android.view.TextureView; //导入依赖的package包/类
@Override
public void initViews() {
    surfaceView = (TextureView) findViewById(R.id.preview_video);
    image_back = (ImageView) findViewById(R.id.image_back);
    image_button = (ImageView) findViewById(R.id.image_button);
    progress_bar = (ProgressBar) findViewById(R.id.progress_bar);
}
 

import android.view.TextureView; //导入依赖的package包/类
@SuppressWarnings("deprecation")
@SuppressLint("NewAPI")
private void setupSurfaceView() {
    if(useTextureView && Build.VERSION.SDK_INT >= 14) {
        textureView = new TextureView(getContext());
        textureView.setSurfaceTextureListener(surfaceTextureListener());
        addView(textureView);
    } else {
        surfaceView = new SurfaceView(getContext());
        if (Build.VERSION.SDK_INT < 11) {
            surfaceView.getHolder().setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
        }
        surfaceView.getHolder().addCallback(surfaceCallback);
        addView(surfaceView);
    }
}
 

import android.view.TextureView; //导入依赖的package包/类
private Bitmap captureView (View view) {
    int w = view.getWidth();
    int h = view.getHeight();
    if (w <= 0 || h <= 0) {
        throw new RuntimeException("Impossible to snapshot the view: view is invalid");
    }

    Bitmap bitmap = Bitmap.createBitmap(w, h, Bitmap.Config.ARGB_8888);
    Bitmap childBitmapBuffer;
    Canvas c = new Canvas(bitmap);
    view.draw(c);
    List<View> childrenList = getAllChildren(view);
    for (View child : childrenList) {
        if(child instanceof TextureView) {
            ((TextureView) child).setOpaque(false);
            childBitmapBuffer = ((TextureView) child).getBitmap(child.getWidth(), child.getHeight());
            c.drawBitmap(childBitmapBuffer, child.getLeft() + ((ViewGroup)child.getParent()).getLeft() +  child.getPaddingLeft(), child.getTop() + ((ViewGroup)child.getParent()).getTop() + child.getPaddingTop(), null);
        }
    }
    if (bitmap == null) {
        throw new RuntimeException("Impossible to snapshot the view");
    }
    return bitmap;
}
 

import android.view.TextureView; //导入依赖的package包/类
/**
 * Set the {@link SimpleExoPlayer} to use. The {@link SimpleExoPlayer#setTextOutput} and
 * {@link SimpleExoPlayer#setVideoListener} method of the player will be called and previous
 * assignments are overridden.
 *
 * @param player The {@link SimpleExoPlayer} to use.
 */
public void setPlayer(SimpleExoPlayer player) {
    if (this.player == player) {
        return;
    }
    if (this.player != null) {
        this.player.setTextOutput(null);
        this.player.setVideoListener(null);
        this.player.removeListener(componentListener);
        this.player.setVideoSurface(null);
    }
    this.player = player;
    shutterView.setVisibility(VISIBLE);
    if (player != null) {
        if (surfaceView instanceof TextureView) {
            player.setVideoTextureView((TextureView) surfaceView);
        } else if (surfaceView instanceof SurfaceView) {
            player.setVideoSurfaceView((SurfaceView) surfaceView);
        }
        player.setVideoListener(componentListener);
        player.addListener(componentListener);
        player.setTextOutput(componentListener);
    }
}
 

import android.view.TextureView; //导入依赖的package包/类
private static ViewAssertion showingPreview() {
    return new ViewAssertion() {
        @Override
        public void check(View view, NoMatchingViewException noViewFoundException) {
            if (android.os.Build.VERSION.SDK_INT < 14) {
                return;
            }
            CameraView cameraView = (CameraView) view;
            TextureView textureView = (TextureView) cameraView.findViewById(R.id.texture_view);
            Bitmap bitmap = textureView.getBitmap();
            int topLeft = bitmap.getPixel(0, 0);
            int center = bitmap.getPixel(bitmap.getWidth() / 2, bitmap.getHeight() / 2);
            int bottomRight = bitmap.getPixel(
                    bitmap.getWidth() - 1, bitmap.getHeight() - 1);
            assertFalse("Preview possibly blank: " + Integer.toHexString(topLeft),
                    topLeft == center && center == bottomRight);
        }
    };
}
 

import android.view.TextureView; //导入依赖的package包/类
/**
 * ピックアップ再生用のViewとMediaPlayerを初期化する
 */
private void initPickupPlayer() {
    mPlayer = new MediaPlayer();
    mPlayer.setOnPreparedListener(this);
    mPlayer.setOnCompletionListener(this);

    RelativeLayout.LayoutParams videoLayoutParams = new RelativeLayout.LayoutParams(
            LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT);
    videoLayoutParams.addRule(RelativeLayout.CENTER_IN_PARENT);

    Context context = getActivity().getApplicationContext();

    mPickedVideoView = new TextureView(context);
    mPickedVideoView.setSurfaceTextureListener(this);
    mPickedVideoView.setVisibility(View.GONE);

    mRootView.addView(mPickedVideoView, videoLayoutParams);
}
 

import android.view.TextureView; //导入依赖的package包/类
@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_play_movie);

    mTextureView = (TextureView) findViewById(R.id.movie_texture_view);
    mTextureView.setSurfaceTextureListener(this);

    // Populate file-selection spinner.
    Spinner spinner = (Spinner) findViewById(R.id.playMovieFile_spinner);
    // Need to create one of these fancy ArrayAdapter thingies, and specify the generic layout
    // for the widget itself.
    mMovieFiles = MiscUtils.getFiles(getFilesDir(), "*.mp4");
    ArrayAdapter<String> adapter = new ArrayAdapter<String>(this,
            android.R.layout.simple_spinner_item, mMovieFiles);
    adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
    // Apply the adapter to the spinner.
    spinner.setAdapter(adapter);
    spinner.setOnItemSelectedListener(this);

    updateControls();
}
 

import android.view.TextureView; //导入依赖的package包/类
@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_double_decode);

    if (!sVideoRunning) {
        sBlob[0] = new VideoBlob((TextureView) findViewById(R.id.double1_texture_view),
                ContentManager.MOVIE_SLIDERS, 0);
        sBlob[1] = new VideoBlob((TextureView) findViewById(R.id.double2_texture_view),
                ContentManager.MOVIE_EIGHT_RECTS, 1);
        sVideoRunning = true;
    } else {
        sBlob[0].recreateView((TextureView) findViewById(R.id.double1_texture_view));
        sBlob[1].recreateView((TextureView) findViewById(R.id.double2_texture_view));
    }
}
 

import android.view.TextureView; //导入依赖的package包/类
private void configureTransform(TextureView textureView) {
    if (null == textureView || null == mPreviewSize || null == mActivity) {
        return;
    }
    int rotation = mActivity.getWindowManager().getDefaultDisplay().getRotation();
    Matrix matrix = new Matrix();
    RectF viewRect = new RectF(0, 0, textureView.getWidth(), textureView.getHeight());
    RectF bufferRect = new RectF(0, 0, mPreviewSize.y, mPreviewSize.x);
    float centerX = viewRect.centerX();
    float centerY = viewRect.centerY();
    if (Surface.ROTATION_90 == rotation || Surface.ROTATION_270 == rotation) {
        bufferRect.offset(centerX - bufferRect.centerX(), centerY - bufferRect.centerY());
        matrix.setRectToRect(viewRect, bufferRect, Matrix.ScaleToFit.FILL);
        float scale = Math.max(
                (float) textureView.getHeight() / mPreviewSize.y,
                (float) textureView.getWidth() / mPreviewSize.x);
        matrix.postScale(scale, scale, centerX, centerY);
    }
    matrix.postRotate(-90 * rotation, centerX, centerY);
    textureView.setTransform(matrix);
}
 

import android.view.TextureView; //导入依赖的package包/类
/**
 * Creates instances of TextureRender and SurfaceTexture, and a Surface associated
 * with the SurfaceTexture.
 */
private void setup() {
	mTextureView = new TextureView(mContext);
    mTextureRender = new TextureRender();
    mTextureRender.surfaceCreated();
    // Even if we don't access the SurfaceTexture after the constructor returns, we
    // still need to keep a reference to it.  The Surface doesn't retain a reference
    // at the Java level, so if we don't either then the object can get GCed, which
    // causes the native finalizer to run.
    if (VERBOSE) Log.d(TAG, "textureID=" + mTextureRender.getTextureId());
    mSurfaceTexture = new SurfaceTexture(mTextureRender.getTextureId());
    mTextureView.setSurfaceTexture(mSurfaceTexture);
    
    task = new TimerTask() {
        public void run() {
          if (VERBOSE) Log.d(TAG, "new frame available");
          synchronized (mFrameSyncObject) {
              mFrameSyncObject.notifyAll();
          }
        }
    };
    timer = new Timer();
    timer.scheduleAtFixedRate(task, 25, 25);
}
 

import android.view.TextureView; //导入依赖的package包/类
public CameraView(Context context, boolean frontface) {
    super(context, null);
    isFrontface = frontface;
    textureView = new TextureView(context);
    textureView.setSurfaceTextureListener(this);
    addView(textureView);
    focusAreaSize = AndroidUtilities.dp(96);
    outerPaint.setColor(0xffffffff);
    outerPaint.setStyle(Paint.Style.STROKE);
    outerPaint.setStrokeWidth(AndroidUtilities.dp(2));
    innerPaint.setColor(0x7fffffff);
}
 

import android.view.TextureView; //导入依赖的package包/类
@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.floating_player);
    mFirstScreenSurfaceView = (TextureView)
            findViewById(R.id.gl_surface_view);
    mCallback.onFirstScreenPresentationCreated(findViewById(R.id.root));
}