Example usage for android.hardware Camera open

Introduction

In this page you can find the example usage for android.hardware Camera open.

Prototype

public static Camera open()

Source Link

Document

Creates a new Camera object to access the first back-facing camera on the device.

Usage

From source file:Main.java

public static Camera getCameraInstance() {
    Camera mCamera = null;/* w w w. j a  v  a  2  s. c  o m*/
    try {
        mCamera = Camera.open();
    } catch (Exception e) {

    }
    return mCamera;
}

From source file:Main.java

@Nullable
public static Camera getCameraInstance() {
    Camera c = null;//from   w  ww. j av a 2 s.  co  m
    try {
        c = Camera.open();
    } catch (Exception e) {
        Log.e(TAG, e.getMessage(), e);
    }
    return c;
}

From source file:Main.java

private static void checkCamera() {
    if (camera == null)
        camera = Camera.open();
}

From source file:MainActivity.java

public void onSurfaceTextureAvailable(SurfaceTexture surface, int width, int height) {
    mCamera = Camera.open();
    if (mCamera != null) {
        try {/*ww w .  ja  va2 s  . c o m*/
            mCamera.setPreviewTexture(surface);
            mCamera.startPreview();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}

From source file:com.macleod2486.androidswissknife.components.Flashlight.java

private void turnOnLight() {
    Log.i("Flashlight", "Toggling on light");

    try {/*from w ww  .java2 s.co m*/
        cam = Camera.open();
        p = cam.getParameters();
        p.setFlashMode(Camera.Parameters.FLASH_MODE_TORCH);
        cam.setParameters(p);
        SurfaceTexture mPreviewTexture = new SurfaceTexture(0);
        cam.setPreviewTexture(mPreviewTexture);
        cam.startPreview();
        torchOn = true;
    } catch (Exception ex) {
        torchOn = false;
        Log.e("Flashlight", ex.toString());
    }
}

From source file:com.amazonaws.devicefarm.android.referenceapp.Fragments.Tabs.Native.Native_CameraFragment.java

@Override
public void surfaceCreated(SurfaceHolder holder) {
    try {//from w w w . ja  v  a  2s  .c o  m
        camera = Camera.open();
        camera.setDisplayOrientation(90);
        Camera.Parameters parameters = camera.getParameters();
        camera.setParameters(parameters);
        camera.setPreviewDisplay(surfaceHolder);
        camera.startPreview();
        surfaceView.setContentDescription(getString(R.string.camera_preview_on));
    } catch (Exception e) {
        Log.e(CAMERA_FRAGMENT_TAG, String.valueOf(e));
    }
}

From source file:net.patchingzone.ru4real.nuevo.TorchActivityPlugin.java

private void getCamera() {
    if (mCamera == null) {
        try {//from  w ww . j  av  a 2s  .  c o  m
            mCamera = Camera.open();
        } catch (RuntimeException e) {
            Log.i(TAG, "Camera.open() failed: " + e.getMessage());
        }
    }
}

From source file:com.googlecode.android_scripting.facade.CameraFacade.java

public Camera openCamera(int cameraId) throws Exception {
    int sSdkLevel = android.os.Build.VERSION.SDK_INT;
    Camera result;/*from w ww . j  a  va 2  s.  co m*/
    if (sSdkLevel < Build.VERSION_CODES.GINGERBREAD) {
        result = Camera.open();
    } else {
        Method _open = Camera.class.getMethod("open", int.class);
        try {
            result = (Camera) _open.invoke(null, cameraId);
        } catch (InvocationTargetException e) {
            Throwable th = e.getCause();
            String s = th.getMessage();
            Log.e("error: " + s);
            result = null;
        }
    }
    return result;
}

From source file:com.dimasdanz.kendalipintu.BarcodeOpenDoorActivity.java

public static Camera getCameraInstance() {
    Camera c = null;/*from   w ww .j  a va  2 s. c o  m*/
    try {
        c = Camera.open();
    } catch (Exception e) {
    }
    return c;
}

From source file:com.mienaikoe.deltamonitor.CameraWatcherService.java

public void startRecording() {
    if (camera == null) {
        try {/*from w w w  .java  2 s  .  c o  m*/
            camera = Camera.open();
        } catch (Exception ex) {
            Log.e(TAG, ex.getMessage());
            ex.printStackTrace();
            return;
        }
        if (camera == null) {
            Log.e(TAG, "Camera is null despite trying to allocate it. Stopping Service");
            throw new IllegalStateException("DeltaMonitor was unable to allocate the camera.");
        }
    }

    try {
        Log.i(TAG, "==================Beginning to Record");

        if (buffer == null) {
            Camera.Parameters parameters = CameraSizer.sizeUp(camera);
            size = parameters.getPreviewSize();
            buffer = new byte[size.height * size.width
                    * ImageFormat.getBitsPerPixel(parameters.getPreviewFormat()) / 8];
        }
        camera.addCallbackBuffer(buffer);

        if (texture == null) {
            texture = getTexture();
        }
        camera.setPreviewTexture(texture);

        detector.reset();
        camera.setPreviewCallbackWithBuffer(previewCallback);
        camera.startPreview();

    } catch (IOException ex) {
        Log.e(TAG, "IOException during recording setup " + ex.getMessage());
        ex.printStackTrace();
    }
}