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RK3368 Android6.0
今天 12.31 有点搞笑 有测试人员反馈 短按power键 会跳转到camera2
先看了一下日志 确实跳转到了camera2 把东西捋了一下 问了一下 硬件一度怀疑power的键值是不是改变了) 硬件说要拿烙铁帮我看一下日志 哈哈哈
一.日志先上
12-31 15:06:45.716 GestureLauncherService 586): Power button double tap gesture detected, launching camera. Interval=240ms 噫
12-31 15:06:45.959 ActivityManager 586): START u0 {act=android.media.action.STILL_IMAGE_CAMERA
12-31 15:06:45.476 W/TelecomManager 586): Telecom Service not found.
12-31 15:06:45.624 D/XHApiManager 586): enter XHApiManager
12-31 15:06:45.625 I/PowerManagerService 586): Going to sleep due to power button uid 1000)...
12-31 15:06:45.627 I/PowerManagerService 586): Sleeping uid 1000)...
12-31 15:06:45.715 D/XHApiManager 586): enter XHApiManager
12-31 15:06:45.716 W/TelecomManager 586): Telecom Service not found.
12-31 15:06:45.716 I/GestureLauncherService 586): Power button double tap gesture detected, launching camera. Interval=240ms
12-31 15:06:45.717 I/PowerManagerService 586): Waking up from sleep uid 1000)...
12-31 15:06:45.733 D/SensorsHal 586): Couldn't open /dev/mma8452_daemon No such file or directory)
12-31 15:06:45.733 E/SensorService 586): Error activating sensor 0 Operation not permitted)
12-31 15:06:45.734 V/KeyguardServiceDelegate 586): onStartedWakingUp)
12-31 15:06:45.749 D/WifiConfigStore 586): Retrieve network priorities before PNO. Max priority: 0
12-31 15:06:45.751 D/XHService 586): receiver intent :android.intent.action.SCREEN_OFF
12-31 15:06:45.751 E/WifiStateMachine 586): Fail to set up pno, want true now false
12-31 15:06:45.776 E/native 586): do suspend true
12-31 15:06:45.779 I/ActivityManager 586): START u0 {act=android.media.action.STILL_IMAGE_CAMERA flg=0x14000000 cmp=com.android.camera2/com.android.camera.CameraActivity} from uid 10011 on display 0
1.1.frameworks\base\services\core\java\com\android\server\policy\PhoneWindowManager.java
power键值
case KeyEvent.KEYCODE_POWER: {
result &= ~ACTION_PASS_TO_USER;
isWakeKey = false; // wake-up will be handled separately
if down) {
interceptPowerKeyDownevent, interactive);
} else {
interceptPowerKeyUpevent, interactive, canceled);
}
break;
power键按下
private void interceptPowerKeyDownKeyEvent event, boolean interactive) {
// Hold a wake lock until the power key is released.
if !mPowerKeyWakeLock.isHeld)) {
mPowerKeyWakeLock.acquire);
}
// Cancel multi-press detection timeout.
if mPowerKeyPressCounter != 0) {
mHandler.removeMessagesMSG_POWER_DELAYED_PRESS);
}
// Detect user pressing the power button in panic when an application has
// taken over the whole screen.
boolean panic = mImmersiveModeConfirmation.onPowerKeyDowninteractive,
SystemClock.elapsedRealtime), isImmersiveModemLastSystemUiFlags));
if panic) {
mHandler.postmHiddenNavPanic);
}
// Latch power key state to detect screenshot chord.
if interactive && !mScreenshotChordPowerKeyTriggered
&& event.getFlags) & KeyEvent.FLAG_FALLBACK) == 0) {
mScreenshotChordPowerKeyTriggered = true;
mScreenshotChordPowerKeyTime = event.getDownTime);
interceptScreenshotChord);
}
// Stop ringing or end call if configured to do so when power is pressed.
TelecomManager telecomManager = getTelecommService);
boolean hungUp = false;
if telecomManager != null) {
if telecomManager.isRinging)) {
// Pressing Power while there's a ringing incoming
// call should silence the ringer.
telecomManager.silenceRinger);
} else if mIncallPowerBehavior
& Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR_HANGUP) != 0
&& telecomManager.isInCall) && interactive) {
// Otherwise, if "Power button ends call" is enabled,
// the Power button will hang up any current active call.
hungUp = telecomManager.endCall);
}
}
GestureLauncherService gestureService = LocalServices.getService
GestureLauncherService.class);
boolean gesturedServiceIntercepted = false;
if gestureService != null) {
gesturedServiceIntercepted = gestureService.interceptPowerKeyDownevent, interactive);
}
// If the power key has still not yet been handled, then detect short
// press, long press, or multi press and decide what to do.
mPowerKeyHandled = hungUp || mScreenshotChordVolumeDownKeyTriggered
|| mScreenshotChordVolumeUpKeyTriggered || gesturedServiceIntercepted;
if !mPowerKeyHandled) {
if interactive) {
// When interactive, we're already awake.
// Wait for a long press or for the button to be released to decide what to do.
if hasLongPressOnPowerBehavior)) {
Message msg = mHandler.obtainMessageMSG_POWER_LONG_PRESS);
msg.setAsynchronoustrue);
mHandler.sendMessageDelayedmsg,
ViewConfiguration.getmContext).getDeviceGlobalActionKeyTimeout));
}
} else {
wakeUpFromPowerKeyevent.getDownTime));
if mSupportLongPressPowerWhenNonInteractive && hasLongPressOnPowerBehavior)) {
Message msg = mHandler.obtainMessageMSG_POWER_LONG_PRESS);
msg.setAsynchronoustrue);
mHandler.sendMessageDelayedmsg,
ViewConfiguration.getmContext).getDeviceGlobalActionKeyTimeout));
mBeganFromNonInteractive = true;
} else {
final int maxCount = getMaxMultiPressPowerCount);
if maxCount <= 1) {
mPowerKeyHandled = true;
} else {
mBeganFromNonInteractive = true;
}
}
}
}
}
1.2.frameworks\base\services\core\java\com\android\server\GestureLauncherService.java
双击拉起camera2 mCameraDoubleTapPowerEnabled && 判断距离上一次按键时间
mCameraDoubleTapPowerEnabled ->isCameraDoubleTapPowerSettingEnabled->Settings.Secure.CAMERA_DOUBLE_TAP_POWER_GESTURE_DISABLED
updateCameraDoubleTapPowerEnabled
private void updateCameraDoubleTapPowerEnabled) {
boolean enabled = isCameraDoubleTapPowerSettingEnabledmContext, mUserId);
synchronized this) {
mCameraDoubleTapPowerEnabled = enabled;
isCameraDoubleTapPowerSettingEnabled
public static boolean isCameraDoubleTapPowerSettingEnabledContext context, int userId) {
return isCameraDoubleTapPowerEnabledcontext.getResources))
&& Settings.Secure.getIntForUsercontext.getContentResolver),
Settings.Secure.CAMERA_DOUBLE_TAP_POWER_GESTURE_DISABLED, 0, userId) == 0);
}
interceptPowerKeyDown
public boolean interceptPowerKeyDownKeyEvent event, boolean interactive) {
boolean launched = false;
boolean intercept = false;
long doubleTapInterval;
synchronized this) {
doubleTapInterval = event.getEventTime) - mLastPowerDown;
if mCameraDoubleTapPowerEnabled
&& 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.iTAG, "Power button double tap gesture detected, launching camera. Interval="
+ doubleTapInterval + "ms");
launched = handleCameraLaunchGesturefalse /* useWakelock */,
StatusBarManager.CAMERA_LAUNCH_SOURCE_POWER_DOUBLE_TAP);
if launched) {
MetricsLogger.actionmContext, MetricsLogger.ACTION_DOUBLE_TAP_POWER_CAMERA_GESTURE,
int) doubleTapInterval);
}
}
MetricsLogger.histogrammContext, "power_double_tap_interval", int) doubleTapInterval);
return intercept && launched;
}
handleCameraGesture 拉起相机
/**
* @return true if camera was launched, false otherwise.
*/
private boolean handleCameraLaunchGestureboolean useWakelock, int source) {
boolean userSetupComplete = Settings.Secure.getIntmContext.getContentResolver),
Settings.Secure.USER_SETUP_COMPLETE, 0) != 0;
if !userSetupComplete) {
if DBG) Slog.dTAG, String.format
"userSetupComplete = %s, ignoring camera launch gesture.",
userSetupComplete));
return false;
}
if DBG) Slog.dTAG, String.format
"userSetupComplete = %s, performing camera launch gesture.",
userSetupComplete));
if useWakelock) {
// Make sure we don't sleep too early
mWakeLock.acquire500L);
}
StatusBarManagerInternal service = LocalServices.getService
StatusBarManagerInternal.class);
service.onCameraLaunchGestureDetectedsource);
return true;
}
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