Example usage for android.view SurfaceView getHolder

Introduction

In this page you can find the example usage for android.view SurfaceView getHolder.

Prototype

public SurfaceHolder getHolder() 

Source Link

Document

Return the SurfaceHolder providing access and control over this SurfaceView's underlying surface.

Usage

From source file:com.chrulri.droidoflife.MainActivity.java

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.main);//ww  w  . j a v  a 2  s . c om
    getSupportActionBar().setDisplayShowHomeEnabled(false);

    settingsCache = SettingsActivity.loadSettings(this);

    SurfaceView view = (SurfaceView) findViewById(R.id.main_surfaceView);
    surface = view.getHolder();

    restartRuntime();

    view.setOnClickListener(new OnClickListener() {
        @Override
        public void onClick(View v) {
            // disable iteration task for manual mode
            if (iterationTask != null) {
                iterationTask.cancel(false);
                iterationTask = null;
            } else {
                doIteration();
            }
            refreshTitle();
        }
    });
    surface.addCallback(new SurfaceHolder.Callback() {
        @Override
        public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) {
            doRender();
        }

        @Override
        public void surfaceCreated(SurfaceHolder holder) {
            doRender();
        }

        @Override
        public void surfaceDestroyed(SurfaceHolder holder) {
            // ignore
        }

    });

    refreshTitle();

    // Manual
    // TODO show manual
}

---

From source file:com.abhi.barcode.frag.libv2.BarcodeFragment.java

@Override
public void onPause() {
    if (handler != null) {
        handler.quitSynchronously();/*  w  w w  .ja  v a  2s. c om*/
        handler = null;
    }
    inactivityTimer.onPause();
    ambientLightManager.stop();
    cameraManager.closeDriver();
    if (!hasSurface) {
        SurfaceView surfaceView = this.surfaceView;
        SurfaceHolder surfaceHolder = surfaceView.getHolder();
        surfaceHolder.removeCallback(this);
    }
    super.onPause();
}

---

From source file:com.google.zxing.demo.CaptureActivity.java

@Override
protected void onPause() {
    if (handler != null) {
        handler.quitSynchronously();//from   w ww .j  a v a2s  .  c om
        handler = null;
    }
    inactivityTimer.onPause();
    // ambientLightManager.stop();
    beepManager.close();
    cameraManager.closeDriver();
    // historyManager = null; // Keep for onActivityResult
    if (!hasSurface) {
        SurfaceView surfaceView = (SurfaceView) findViewById(R.id.preview_view);
        SurfaceHolder surfaceHolder = surfaceView.getHolder();
        surfaceHolder.removeCallback(this);
    }
    super.onPause();
}

---

From source file:com.google.zxing.demo.CaptureActivity.java

@Override
protected void onResume() {
    super.onResume();
    // CameraManager must be initialized here, not in onCreate(). This is necessary because we don't
    // want to open the camera driver and measure the screen size if we're going to show the help on
    // first launch. That led to bugs where the scanning rectangle was the wrong size and partially
    // off screen.
    cameraManager = new CameraManager(getApplication());

    viewfinderView = (ViewfinderView) findViewById(R.id.viewfinder_view);
    viewfinderView.setCameraManager(cameraManager);
    handler = null;//w ww. ja  va2s  . c o m
    lastResult = null;
    resetStatusView();

    beepManager.updatePrefs();
    // ambientLightManager.start(cameraManager);

    inactivityTimer.onResume();

    sourceUrl = null;
    // scanFromWebPageManager = null;
    decodeFormats = null;
    characterSet = null;

    SurfaceView surfaceView = (SurfaceView) findViewById(R.id.preview_view);
    SurfaceHolder surfaceHolder = surfaceView.getHolder();
    if (hasSurface) {
        // The activity was paused but not stopped, so the surface still exists. Therefore
        // surfaceCreated() won't be called, so init the camera here.
        initCamera(surfaceHolder);
    } else {
        // Install the callback and wait for surfaceCreated() to init the camera.
        surfaceHolder.addCallback(this);
    }
}

---

From source file:com.coinomi.wallet.ui.ScanActivity.java

@Override
protected void onResume() {
    super.onResume();

    cameraThread = new HandlerThread("cameraThread", Process.THREAD_PRIORITY_BACKGROUND);
    cameraThread.start();/*from w  ww  .  j  ava  2  s.  c  o m*/
    cameraHandler = new Handler(cameraThread.getLooper());

    final SurfaceView surfaceView = (SurfaceView) findViewById(R.id.scan_activity_preview);
    surfaceHolder = surfaceView.getHolder();
    surfaceHolder.addCallback(this);
    surfaceHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);

    if (!hasCameraPermission()) {
        askCameraPermission();
    } else {
        openCamera();
    }

}

---

From source file:com.abhi.barcode.fragment.BarCodeFragment.java

@Override
public void onResume() {
    super.onResume();
    if (runCamera && hasSurface) {
        startCameraCampure();// w  ww . j a v a2s  .  c  o  m
    } else if (runCamera) {
        SurfaceView surfaceView = (SurfaceView) getView().findViewById(R.id.cameraView);
        SurfaceHolder surfaceHolder = surfaceView.getHolder();
        surfaceHolder.addCallback(BarCodeFragment.this);
        surfaceHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
    }
}

---

From source file:com.abhi.barcode.fragment.BarCodeFragment.java

public void stopCameraCapture() {
    if (handler != null) {
        handler.quitSynchronously();/*from ww  w.ja va2s.  c om*/
        handler = null;
    }
    cameraManager.closeDriver();
    if (!hasSurface) {
        SurfaceView surfaceView = (SurfaceView) getView().findViewById(R.id.cameraView);
        SurfaceHolder surfaceHolder = surfaceView.getHolder();
        surfaceHolder.removeCallback(BarCodeFragment.this);
    }
    cameraActive = false;
}

---

From source file:com.abhi.barcode.fragment.BarCodeFragment.java

public void startCameraCampure() {
    cameraManager = new CameraManager(getActivity().getApplicationContext());
    viewfinderView.setCameraManager(cameraManager);
    handler = null;//  w  ww  . ja  v a 2 s  .  c o m
    resetStatusView();
    runCamera = true;
    SurfaceView surfaceView = (SurfaceView) getView().findViewById(R.id.cameraView);
    SurfaceHolder surfaceHolder = surfaceView.getHolder();
    hasSurface = true;
    if (hasSurface) {
        initCamera(surfaceHolder, viewfinderView);
    } else {
        surfaceHolder.addCallback(BarCodeFragment.this);
        surfaceHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
    }
    decodeFormats = null;
    characterSet = null;
    cameraActive = true;
}

---

From source file:com.fillerino.wallet.ui.ScanActivity.java

@Override
protected void onResume() {
    super.onResume();

    cameraThread = new HandlerThread("cameraThread", Process.THREAD_PRIORITY_BACKGROUND);
    cameraThread.start();/*from w w w.  j  av a  2 s.  co m*/
    cameraHandler = new Handler(cameraThread.getLooper());

    final SurfaceView surfaceView = (SurfaceView) findViewById(com.fillerino.wallet.R.id.scan_activity_preview);
    surfaceHolder = surfaceView.getHolder();
    surfaceHolder.addCallback(this);
    surfaceHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);

    if (!hasCameraPermission()) {
        askCameraPermission();
    } else {
        openCamera();
    }

}

---

From source file:com.luyaozhou.recognizethisforglass.ViewFinder.java

@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    setContentView(R.layout.camera_preview);

    // Set up the camera preview user interface
    getWindow().setFormat(PixelFormat.UNKNOWN);
    SurfaceView surfaceView = (SurfaceView) findViewById(R.id.camerapreview);
    surfaceHolder = surfaceView.getHolder();
    surfaceHolder.addCallback(new SurfaceHolderCallback());
    getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON); // keep screen on
}

---

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