Add minimum time for double tap gesture (d3f84d4a) · Commits · e / os / android_frameworks_base

services/core/java/com/android/server/GestureLauncherService.java

+6 −3

Original line number	Diff line number	Diff line
		@@ -55,7 +55,8 @@ public class GestureLauncherService extends SystemService {
		* Time in milliseconds in which the power button must be pressed twice so it will be considered
		* as a camera launch.
		*/
		private static final long CAMERA_POWER_DOUBLE_TAP_TIME_MS = 300;
		private static final long CAMERA_POWER_DOUBLE_TAP_MAX_TIME_MS = 300;
		private static final long CAMERA_POWER_DOUBLE_TAP_MIN_TIME_MS = 120;

		/** The listener that receives the gesture event. */
		private final GestureEventListener mGestureListener = new GestureEventListener();
		@@ -256,14 +257,16 @@ public class GestureLauncherService extends SystemService {
		synchronized (this) {
		doubleTapInterval = event.getEventTime() - mLastPowerDown;
		if (mCameraDoubleTapPowerEnabled
		&& doubleTapInterval < CAMERA_POWER_DOUBLE_TAP_TIME_MS) {
		&& doubleTapInterval < CAMERA_POWER_DOUBLE_TAP_MAX_TIME_MS
		&& doubleTapInterval > CAMERA_POWER_DOUBLE_TAP_MIN_TIME_MS) {
		launched = true;
		intercept = interactive;
		}
		mLastPowerDown = event.getEventTime();
		}
		if (launched) {
		Slog.i(TAG, "Power button double tap gesture detected, launching camera.");
		Slog.i(TAG, "Power button double tap gesture detected, launching camera. Interval="
		+ doubleTapInterval + "ms");
		launched = handleCameraLaunchGesture(false /* useWakelock */,
		StatusBarManager.CAMERA_LAUNCH_SOURCE_POWER_DOUBLE_TAP);
		if (launched) {