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:com.bringcommunications.etherpay.ScanActivity.java

/** A safe way to get an instance of the Camera object. */
public static Camera getCameraInstance() {
    Camera c = null;/*from   ww  w. ja  va  2 s. c  o  m*/
    try {
        c = Camera.open();
    } catch (Exception e) {
        System.out.println(e.toString());
    }
    return c;
}

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From source file:edu.winlab.minijarvis.activity.CameraActivity.java

/**
 * To get camera instance/*from  www . jav  a 2  s.c  om*/
 * @return Camera
 */
private static Camera getCameraInstance() {
    Camera camera = null;
    try {
        camera = Camera.open();

        // Work around for Camera preview issues
        Camera.Parameters params = camera.getParameters();
        params.setPreviewFpsRange(30000, 30000);
        camera.setParameters(params);
    } catch (Exception e) {
        System.out.println(e.toString());
        e.printStackTrace();
    }
    return camera;
}

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From source file:runtmobile.udea.edu.co.runtmobile.Capture.java

@Override
public void surfaceCreated(SurfaceHolder holder) {
    // TODO Auto-generated method stub
    camera = Camera.open();
    camera.setDisplayOrientation(90);/*from  ww  w  . j  a  v a2s. co  m*/
    try {
        camera.setPreviewDisplay(holder);
        // Encendemos la camara
        camera.startPreview();
    } catch (IOException e) {
        Log.e("IOException", "Ha sucedido un error al iniciar la configuracin de la camara", e);
    }
}

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From source file:com.sveder.cardboardpassthrough.MainActivity.java

public void startCamera(int texture) {
    surface = new SurfaceTexture(texture);
    surface.setOnFrameAvailableListener(this);

    camera = Camera.open();

    try {//from   w  w w  .jav  a  2s.  com
        camera.setPreviewTexture(surface);
        camera.startPreview();
    } catch (IOException ioe) {
        Log.w("MainActivity", "CAM LAUNCH FAILED");
    }
}

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From source file:u.ready_wisc.MenuActivity.java

@Override
public void onClick(View v) {
    //TODO fix action bar or disable completely
    if ((v.getId() == (R.id.prepareButton)) || (v.getId() == (R.id.prepareMenuButton))) {
        Intent i = new Intent(MenuActivity.this, Prep_Main.class);
        startActivity(i);//from  www . j  a  v a  2 s  . c  o m
    } else if (v.getId() == (R.id.reportDamageButton) || v.getId() == (R.id.emergencyMenuButton)) {
        Intent i = new Intent(MenuActivity.this, Emergency.class);
        MenuActivity.this.startActivity(i);
    } else if (v.getId() == (R.id.disasterResourcesButton) || v.getId() == (R.id.disasterMenuButton)) {
        Intent i = new Intent(MenuActivity.this, ResourcesActivity.class);
        MenuActivity.this.startActivity(i);
    } else if (v.getId() == (R.id.typeDisasterButton)) {
        Intent i = new Intent(MenuActivity.this, DisastersType.class);
        MenuActivity.this.startActivity(i);
    } else if (v.getId() == (R.id.SOSMenubutton)) {
        if (!sosTone) {

            //sets device volume to maximum
            AudioManager am = (AudioManager) getSystemService(Context.AUDIO_SERVICE);
            am.setStreamVolume(AudioManager.STREAM_MUSIC, am.getStreamMaxVolume(AudioManager.STREAM_MUSIC), 0);

            //begins looping tone
            mp.setLooping(true);
            sosTone = true;
            mp.start();
        }

    } else if (v.getId() == (R.id.FlashlightMenuButton)) {
        //check to see if device has a camera with flash
        if (!pm.hasSystemFeature(PackageManager.FEATURE_CAMERA)) {

            Log.e("err", "Device has no camera!");
            //Return from the method, do nothing after this code block
            return;
        }
        // if camera has flash toggle on and off
        else {
            // boolean to check status of camera flash
            if (!isFlashOn) {

                //if flash is off, toggle boolean to on and turn on flash
                isFlashOn = true;
                camera = Camera.open();
                Camera.Parameters parameters = camera.getParameters();
                parameters.setFlashMode(Camera.Parameters.FLASH_MODE_TORCH);
                camera.setParameters(parameters);
                camera.startPreview();

            } else {

                //if flash is on turn boolean to false and turn off flash
                isFlashOn = false;
                camera.stopPreview();
                camera.release();
                camera = null;

            }
        }
    } else {

        //stops looping sound
        Log.d("Sound test", "Stopping sound");
        mp.setLooping(false);
        mp.pause();
        sosTone = false;
    }
}

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From source file:com.example.hudpassthrough.BluetoothChat.java

@Override
public synchronized void onResume() {
    if (mCamera == null) {
        mCamera = Camera.open();
        //mCamera.enableShutterSound(false); //Questionable Legality!
    }/* w ww.  jav a 2 s  .co m*/
    super.onResume();
    // Performing this check in onResume() covers the case in which BT was
    // not enabled during onStart(), so we were paused to enable it...
    // onResume() will be called when ACTION_REQUEST_ENABLE activity returns.
    if (mChatService != null) {
        // Only if the state is STATE_NONE, do we know that we haven't started already
        if (mChatService.getState() == BluetoothChatService.STATE_NONE) {
            // Start the Bluetooth chat services
            mChatService.start();
        }
    }
}

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From source file:com.example.android.foldinglayout.FoldingLayoutActivity.java

/**
 * Creates a SurfaceTextureListener in order to prepare a TextureView
 * which displays a live, and continuously updated, feed from the Camera.
 *///from  w w w. jav a2 s  . c om
@TargetApi(Build.VERSION_CODES.ICE_CREAM_SANDWICH)
private TextureView.SurfaceTextureListener createSurfaceTextureListener() {
    if (hasApiLevel(Build.VERSION_CODES.ICE_CREAM_SANDWICH)) {
        return new TextureView.SurfaceTextureListener() {
            @Override
            public void onSurfaceTextureAvailable(SurfaceTexture surfaceTexture, int i, int i2) {
                mCamera = Camera.open();

                if (mCamera == null && Camera.getNumberOfCameras() > 1) {
                    mCamera = mCamera.open(Camera.CameraInfo.CAMERA_FACING_FRONT);
                }

                if (mCamera == null) {
                    return;
                }

                try {
                    mCamera.setPreviewTexture(surfaceTexture);
                    mCamera.setDisplayOrientation(90);
                    mCamera.startPreview();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }

            @Override
            public void onSurfaceTextureSizeChanged(SurfaceTexture surfaceTexture, int i, int i2) {
                // Ignored, Camera does all the work for us
            }

            @Override
            public boolean onSurfaceTextureDestroyed(SurfaceTexture surfaceTexture) {
                if (mCamera != null) {
                    mCamera.stopPreview();
                    mCamera.release();
                }
                return true;
            }

            @Override
            public void onSurfaceTextureUpdated(SurfaceTexture surfaceTexture) {
                // Invoked every time there's a new Camera preview frame
            }
        };
    } else {
        return null;
    }
}

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From source file:com.raffaele.squarecash4glass.CVVConfirmActivity.java

/**
 * Safe method for getting a camera instance.
 * /* ww  w.java  2 s.co  m*/
 * @return
 */
public static Camera getCameraInstance() {
    Camera c = null;
    try {
        c = Camera.open(); // attempt to get a Camera instance
    } catch (Exception e) {
        e.printStackTrace();
    }
    return c; // returns null if camera is unavailable
}

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From source file:com.allthingsgeek.celljoust.MainActivity.java

public void surfaceCreated(SurfaceHolder holder) {
    mCamera = Camera.open();
    try {//  w w w.  ja  va2s.  c om
        mCamera.setPreviewDisplay(holder);
    } catch (IOException e) {
        e.printStackTrace();
    }
}

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From source file:edu.mit.mobile.android.livingpostcards.CameraActivity.java

/** A safe way to get an instance of the Camera object. */
public static Camera getCameraInstance() {
    Camera c = null;/*  w  w  w  .  j a  va2s.com*/
    try {
        c = Camera.open(); // attempt to get a Camera instance
        final Parameters params = c.getParameters();
        final Size s = getBestPictureSize(640, 480, params);
        params.setPictureSize(s.width, s.height);
        if (Constants.DEBUG) {
            Log.d(TAG, "best picture size is " + s.width + "x" + s.height);
        }
        c.setParameters(params);
    } catch (final Exception e) {
        Log.e(TAG, "Error acquiring camera", e);
    }
    return c; // returns null if camera is unavailable
}

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