Add minimum time for double tap gesture
Bug: 24304031
Change-Id: I15629d6b05175aea9b0d02571f6245966094f162
diff --git a/services/core/java/com/android/server/GestureLauncherService.java b/services/core/java/com/android/server/GestureLauncherService.java
index f245985..2aa0390 100644
--- a/services/core/java/com/android/server/GestureLauncherService.java
+++ b/services/core/java/com/android/server/GestureLauncherService.java
@@ -55,7 +55,8 @@
* 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 @@
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) {
