Example usage for android.view Surface ROTATION_180

Introduction

In this page you can find the example usage for android.view Surface ROTATION_180.

Prototype

int ROTATION_180

To view the source code for android.view Surface ROTATION_180.

Click Source Link

Document

Rotation constant: 180 degree rotation.

Usage

From source file:Main.java

/**
 * gets the correct rotation of the camera for the surface rotation
 * requested, adjust for front/back camera
 * //  w ww.j a v  a  2 s  . c  o m
 * @param surfaceRotation
 * @param camera
 * @param cameraID
 * @return
 */
@SuppressLint("NewApi")
public static int getCameraRotationForSurfaceRotation(int surfaceRotation, Camera camera, int cameraID) {
    android.hardware.Camera.CameraInfo info = new android.hardware.Camera.CameraInfo();
    android.hardware.Camera.getCameraInfo(cameraID, info);

    int degrees = 0;

    switch (surfaceRotation) {
    case Surface.ROTATION_0:
        degrees = 0;
        break;
    case Surface.ROTATION_90:
        degrees = 90;
        break;
    case Surface.ROTATION_180:
        degrees = 180;
        break;
    case Surface.ROTATION_270:
        degrees = 270;
        break;
    }

    int result;
    if (info.facing == Camera.CameraInfo.CAMERA_FACING_FRONT) {
        result = (info.orientation + degrees) % 360;
        result = (360 - result) % 360; // compensate the mirror
    } else { // back-facing
        result = (info.orientation - degrees + 360) % 360;
    }
    return result;
}

---

From source file:Main.java

/**
 * Untested, taken from stack-overflow./*  ww  w . j a va  2  s.co m*/
 *
 * @param activity
 */
public static void disableScreenOrientationChange(Activity activity) {
    final int orientation = activity.getResources().getConfiguration().orientation;
    final int rotation = activity.getWindowManager().getDefaultDisplay().getRotation();

    if (rotation == Surface.ROTATION_0 || rotation == Surface.ROTATION_90) {
        if (orientation == Configuration.ORIENTATION_PORTRAIT) {
            activity.setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);
        } else if (orientation == Configuration.ORIENTATION_LANDSCAPE) {
            activity.setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);
        }
    } else if (rotation == Surface.ROTATION_180 || rotation == Surface.ROTATION_270) {
        if (orientation == Configuration.ORIENTATION_PORTRAIT) {
            activity.setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_REVERSE_PORTRAIT);
        } else if (orientation == Configuration.ORIENTATION_LANDSCAPE) {
            activity.setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_REVERSE_LANDSCAPE);
        }
    }
}

---

From source file:Main.java

public static int getPortraitCamearaDisplayOrientation(Context context, int cameraId, boolean isFrontCamera) {
    if (cameraId < 0 || cameraId > getCameraNumber()) {
        return -1;
    }//from   www  .jav  a  2 s  .c  om
    Camera.CameraInfo cameraInfo = new Camera.CameraInfo();
    Camera.getCameraInfo(cameraId, cameraInfo);

    int rotation = ((WindowManager) context.getSystemService(Context.WINDOW_SERVICE)).getDefaultDisplay()
            .getRotation();
    int degrees = 0;
    switch (rotation) {
    case Surface.ROTATION_0:
        degrees = 0;
        break;
    case Surface.ROTATION_90:
        degrees = 90;
        break;
    case Surface.ROTATION_180:
        degrees = 180;
        break;
    case Surface.ROTATION_270:
        degrees = 270;
        break;
    }

    int result;
    if (isFrontCamera) {
        result = (cameraInfo.orientation + degrees) % 360;
        result = (360 - result) % 360;
    } else {
        result = (cameraInfo.orientation - degrees + 360) % 360;
    }
    return result;
}

---

From source file:Main.java

public static int getDisplayRotation(Activity activity) {
    int rotation = activity.getWindowManager().getDefaultDisplay().getRotation();
    switch (rotation) {
    case Surface.ROTATION_0:
        return 0;
    case Surface.ROTATION_90:
        return 90;
    case Surface.ROTATION_180:
        return 180;
    case Surface.ROTATION_270:
        return 270;
    }/*from w  w w. j  av a2  s  .  c o m*/
    return 0;
}

---

From source file:Main.java

static int calculateOrientation(Activity activity, int cameraId) {
    if (cameraId == NO_CAMERA)
        return 0;

    DisplayMetrics dm = new DisplayMetrics();
    Camera.CameraInfo info = new Camera.CameraInfo();
    Camera.getCameraInfo(cameraId, info);
    int cameraRotationOffset = info.orientation;

    activity.getWindowManager().getDefaultDisplay().getMetrics(dm);
    int currentScreenRotation = activity.getWindowManager().getDefaultDisplay().getRotation();

    int degrees = 0;
    switch (currentScreenRotation) {
    case Surface.ROTATION_0:
        degrees = 0;// www  .  j a  v a  2s.  c o  m
        break;
    case Surface.ROTATION_90:
        degrees = 90;
        break;
    case Surface.ROTATION_180:
        degrees = 180;
        break;
    case Surface.ROTATION_270:
        degrees = 270;
        break;
    }

    int orientation;
    if (info.facing == Camera.CameraInfo.CAMERA_FACING_FRONT) {
        orientation = (cameraRotationOffset + degrees) % 360;
        orientation = (360 - orientation) % 360;
    } else {
        orientation = (cameraRotationOffset - degrees + 360) % 360;
    }

    return orientation;
}

---

From source file:Main.java

private static int getDeviceOrientationDegree(Context context) {

    int degrees = 0;
    WindowManager windowManager = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);

    int rotation = windowManager.getDefaultDisplay().getRotation();
    switch (rotation) {
    case Surface.ROTATION_0:
        degrees = 0;//www  .ja v  a  2  s  .c o  m
        break;
    case Surface.ROTATION_90:
        degrees = 90;
        break;
    case Surface.ROTATION_180:
        degrees = 180;
        break;
    case Surface.ROTATION_270:
        degrees = 270;
        break;
    }

    return degrees;

}

---

From source file:Main.java

public static int getOrientationInDegree(Activity activity) {

    int rotation = activity.getWindowManager().getDefaultDisplay().getRotation();
    int degrees = 0;

    switch (rotation) {
    case Surface.ROTATION_0:
        degrees = 0;//from  w w w.j  a v a  2  s  . c om
        break;
    case Surface.ROTATION_90:
        degrees = 90;
        break;
    case Surface.ROTATION_180:
        degrees = 180;
        break;
    case Surface.ROTATION_270:
        degrees = 270;
        break;
    }

    return degrees;
}

---

From source file:Main.java

public static int setCameraDisplayOrientation(int cameraId, android.hardware.Camera camera,
        int displayRotation) {
    Camera.CameraInfo info = new Camera.CameraInfo();
    Camera.getCameraInfo(cameraId, info);
    int degrees = 0;
    switch (displayRotation) {
    case Surface.ROTATION_0:
        degrees = 0;/*from   w ww .  j a  v  a  2  s .c  o m*/
        break;
    case Surface.ROTATION_90:
        degrees = 90;
        break;
    case Surface.ROTATION_180:
        degrees = 180;
        break;
    case Surface.ROTATION_270:
        degrees = 270;
        break;
    }

    int camRotationDegree = 0;
    if (info.facing == Camera.CameraInfo.CAMERA_FACING_FRONT) {
        camRotationDegree = (info.orientation + degrees) % 360;
        camRotationDegree = (360 - camRotationDegree) % 360; // compensate the mirror
    } else {
        camRotationDegree = (info.orientation - degrees + 360) % 360;
    }

    if (camera != null) {
        camera.setDisplayOrientation(camRotationDegree);
    }
    return camRotationDegree;
}

---

From source file:Main.java

public static int setCameraDisplayOrientation(int cameraId, android.hardware.Camera camera,
        int displayRotation) {
    Camera.CameraInfo info = new Camera.CameraInfo();
    Camera.getCameraInfo(cameraId, info);
    int degrees = 0;
    switch (displayRotation) {
    case Surface.ROTATION_0:
        degrees = 0;//from   www  .j a  v a2  s  .  c o m
        break;
    case Surface.ROTATION_90:
        degrees = 90;
        break;
    case Surface.ROTATION_180:
        degrees = 180;
        break;
    case Surface.ROTATION_270:
        degrees = 270;
        break;
    }

    int camRotationDegree = 0;
    if (info.facing == Camera.CameraInfo.CAMERA_FACING_FRONT) {
        camRotationDegree = (info.orientation + degrees) % 360;
        camRotationDegree = (360 - camRotationDegree) % 360; // compensate the mirror
    } else {
        camRotationDegree = (info.orientation - degrees + 360) % 360;
    }

    if (camera != null) {
        try {
            camera.setDisplayOrientation(camRotationDegree);
        } catch (RuntimeException e) {
            // java.lang.RuntimeException: set display orientation failed
            e.printStackTrace();
        }
    }
    return camRotationDegree;
}

---

From source file:Main.java

public static int getOrientationHint(Activity activity, int cameraId) {
    Camera.CameraInfo info = new Camera.CameraInfo();
    Camera.getCameraInfo(cameraId, info);
    int rotation = activity.getWindowManager().getDefaultDisplay().getRotation();
    int degrees = 0;
    switch (rotation) {
    case Surface.ROTATION_0:
        degrees = 0;//from w w w  .j  av a 2  s .c  o m
        break;
    case Surface.ROTATION_90:
        degrees = 90;
        break;
    case Surface.ROTATION_180:
        degrees = 180;
        break;
    case Surface.ROTATION_270:
        degrees = 270;
        break;
    }

    int result = 0;
    if (info.facing == Camera.CameraInfo.CAMERA_FACING_FRONT) {
        result = (info.orientation - degrees + 360) % 360;
    } else { // back-facing camera
        result = (info.orientation + degrees) % 360;
    }
    return result;
}

---

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