Example usage for android.view OrientationEventListener canDetectOrientation

Introduction

In this page you can find the example usage for android.view OrientationEventListener canDetectOrientation.

Prototype

public boolean canDetectOrientation() 

Source Link

Usage

From source file:com.aimfire.demo.CamcorderActivity.java

public void setCameraRotation() {
    if (BuildConfig.DEBUG)
        Log.d(TAG, "setCameraRotation");
    OrientationEventListener listener = new OrientationEventListener(this, SensorManager.SENSOR_DELAY_NORMAL) {
        @Override/* w  w w .  j  a va 2 s  .c  o m*/
        public void onOrientationChanged(int orientation) {
            if (orientation == ORIENTATION_UNKNOWN)
                return;

            Camera.CameraInfo info = new Camera.CameraInfo();
            Camera.getCameraInfo(mCameraId, info);
            orientation = (orientation + 45) / 90 * 90;
            int rotation = 0;
            if (info.facing == Camera.CameraInfo.CAMERA_FACING_FRONT) {
                rotation = (info.orientation - orientation + 360) % 360;
            } else { // back-facing camera
                rotation = (info.orientation + orientation) % 360;
            }
            Camera.Parameters parms = mCamera.getParameters();
            parms.setRotation(rotation);
            mCamera.setParameters(parms);
        }
    };

    if (listener.canDetectOrientation()) {
        listener.enable();
    }
}

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