EasyCamera

Camera.java

EasyCamera camera = DefaultEasyCamera.open();
CameraActions actions = camera.startPreview(surface);
PictureCallback callback = new PictureCallback() {
    public void onPictureTaken(byte[] data, CameraActions actions) {
        // store picture
    }
};
actions.takePicture(Callbacks.create().withJpegCallback(callback));

maven.java

 <dependency>
        <groupId>net.bozho.easycamera</groupId>
        <artifactId>easycamera</artifactId>
        <version>0.0.1</version>
        <type>aar</type>
    </dependency>