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Add minimum time for double tap gesture

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Bug: 24304031
Change-Id: I15629d6b05175aea9b0d02571f6245966094f162
This commit is contained in:
Jorim Jaggi
2015-10-01 14:13:04 -07:00
parent 6ffe9f05de
commit d3f84d4a9a
1 changed files with 6 additions and 3 deletions
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9
services/core/java/com/android/server/GestureLauncherService.java
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@@ -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) {