am 724c5224: Correct the setDisplayOrientation sample code. (f1cefa91) · Commits · e / os / android_frameworks_base

core/java/android/hardware/Camera.java

+18 −8

Original line number	Diff line number	Diff line
		@@ -624,16 +624,26 @@ public class Camera {
		* be called during preview.
		*
		* If you want to make the camera image show in the same orientation as
		* the display, you can use <p>
		* the display, you can use the following code.<p>
		* <pre>
		* android.view.Display display;
		* android.hardware.Camera.CameraInfo cameraInfo;
		*
		* int rotation = getWindowManager().getDefaultDisplay().getRotation();
		* android.hardware.Camera.getCameraInfo(id, cameraInfo);
		* int degrees = (cameraInfo.mOrientation - rotation + 360) % 360;
		*
		* setDisplayOrientation(degrees);
		* public static void setCameraDisplayOrientation(Activity activity,
		* int cameraId, android.hardware.Camera camera) {
		* android.hardware.Camera.CameraInfo info =
		* new android.hardware.Camera.CameraInfo();
		* android.hardware.Camera.getCameraInfo(cameraId, info);
		* int rotation = activity.getWindowManager().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 = (info.mOrientation - degrees + 360) % 360;
		* camera.setDisplayOrientation(result);
		* }
		* </pre>
		* @param degrees the angle that the picture will be rotated clockwise.
		* Valid values are 0, 90, 180, and 270. The starting