长按事件动作的配置
frameworks\base\core\res\res\values\config.xml 选择1会弹出Global actions menu
<!-- Control the behavior when the user long presses the power button.
0 - Nothing
1 - Global actions menu
2 - Power off (with confirmation)
3 - Power off (without confirmation)
4 - Go to voice assist
5 - Go to assistant (Settings.Secure.ASSISTANT)
-->
<integer name="config_longPressOnPowerBehavior">1</integer>frameworks\base\services\core\java\com\android\server\policy\PhoneWindowManager.java
对长按事件的处理
private void powerLongPress(long eventTime) {
final int behavior = getResolvedLongPressOnPowerBehavior();
Slog.d(TAG, "powerLongPress: eventTime=" + eventTime
+ " mLongPressOnPowerBehavior=" + mLongPressOnPowerBehavior);
switch (behavior) {
case LONG_PRESS_POWER_NOTHING:
break;
case LONG_PRESS_POWER_GLOBAL_ACTIONS:
mPowerKeyHandled = true;
performHapticFeedback(HapticFeedbackConstants.LONG_PRESS, false,
"Power - Long Press - Global Actions");
showGlobalActions();
break;
case LONG_PRESS_POWER_SHUT_OFF:
case LONG_PRESS_POWER_SHUT_OFF_NO_CONFIRM:
mPowerKeyHandled = true;
performHapticFeedback(HapticFeedbackConstants.LONG_PRESS, false,
"Power - Long Press - Shut Off");
sendCloseSystemWindows(SYSTEM_DIALOG_REASON_GLOBAL_ACTIONS);
mWindowManagerFuncs.shutdown(behavior == LONG_PRESS_POWER_SHUT_OFF);
break;
case LONG_PRESS_POWER_GO_TO_VOICE_ASSIST:
mPowerKeyHandled = true;
performHapticFeedback(HapticFeedbackConstants.LONG_PRESS, false,
"Power - Long Press - Go To Voice Assist");
// Some devices allow the voice assistant intent during setup (and use that intent
// to launch something else, like Settings). So we explicitly allow that via the
// config_allowStartActivityForLongPressOnPowerInSetup resource in config.xml.
launchVoiceAssist(mAllowStartActivityForLongPressOnPowerDuringSetup);
break;
case LONG_PRESS_POWER_ASSISTANT:
mPowerKeyHandled = true;
performHapticFeedback(HapticFeedbackConstants.ASSISTANT_BUTTON, false,
"Power - Long Press - Go To Assistant");
final int powerKeyDeviceId = Integer.MIN_VALUE;
launchAssistAction(null, powerKeyDeviceId, eventTime,
AssistUtils.INVOCATION_TYPE_POWER_BUTTON_LONG_PRESS);
break;
}
}@Override
public void showGlobalActions() {
mHandler.removeMessages(MSG_DISPATCH_SHOW_GLOBAL_ACTIONS);
mHandler.sendEmptyMessage(MSG_DISPATCH_SHOW_GLOBAL_ACTIONS);
}public void handleMessage(Message msg) {
switch (msg.what) {
case MSG_DISPATCH_MEDIA_KEY_WITH_WAKE_LOCK:
dispatchMediaKeyWithWakeLock((KeyEvent)msg.obj);
break;
case MSG_DISPATCH_MEDIA_KEY_REPEAT_WITH_WAKE_LOCK:
dispatchMediaKeyRepeatWithWakeLock((KeyEvent)msg.obj);
break;
case MSG_DISPATCH_SHOW_RECENTS:
showRecentApps(false);
break;
case MSG_DISPATCH_SHOW_GLOBAL_ACTIONS:
showGlobalActionsInternal();
break;void showGlobalActionsInternal() {
if (mGlobalActions == null) {
mGlobalActions = new GlobalActions(mContext, mWindowManagerFuncs);
}
final boolean keyguardShowing = isKeyguardShowingAndNotOccluded();
mGlobalActions.showDialog(keyguardShowing, isDeviceProvisioned());
// since it took two seconds of long press to bring this up,
// poke the wake lock so they have some time to see the dialog.
mPowerManager.userActivity(SystemClock.uptimeMillis(), false);
}frameworks\base\services\core\java\com\android\server\policy\GlobalActions.java
private void ensureLegacyCreated() {
if (mLegacyGlobalActions != null) return;
mLegacyGlobalActions = new LegacyGlobalActions(mContext, mWindowManagerFuncs,
this::onGlobalActionsDismissed);
}
public void showDialog(boolean keyguardShowing, boolean deviceProvisioned) {
if (DEBUG) Slog.d(TAG, "showDialog " + keyguardShowing + " " + deviceProvisioned);
if (mGlobalActionsProvider != null && mGlobalActionsProvider.isGlobalActionsDisabled()) {
return;
}
mKeyguardShowing = keyguardShowing;
mDeviceProvisioned = deviceProvisioned;
mShowing = true;
if (mGlobalActionsAvailable && !"box".equals(SystemProperties.get("ro.target.product","unkonw"))) {
mHandler.postDelayed(mShowTimeout, 5000);
mGlobalActionsProvider.showGlobalActions();
} else {
// SysUI isn't alive, show legacy menu.
ensureLegacyCreated();
mLegacyGlobalActions.showDialog(mKeyguardShowing, mDeviceProvisioned);
}
}item的创建在LegacyGlobalActions里
frameworks\base\services\core\java\com\android\server\policy\LegacyGlobalActions.java
/**
* Create the global actions dialog.
* @return A new dialog.
*/
private ActionsDialog createDialog() {
// Simple toggle style if there's no vibrator, otherwise use a tri-state
if (!mHasVibrator) {
mSilentModeAction = new SilentModeToggleAction();
} else {
mSilentModeAction = new SilentModeTriStateAction(mContext, mAudioManager, mHandler);
}
mAirplaneModeOn = new ToggleAction(
R.drawable.ic_lock_airplane_mode,
R.drawable.ic_lock_airplane_mode_off,
R.string.global_actions_toggle_airplane_mode,
R.string.global_actions_airplane_mode_on_status,
R.string.global_actions_airplane_mode_off_status) {
@Override
public void onToggle(boolean on) {
if (mHasTelephony && TelephonyProperties.in_ecm_mode().orElse(false)) {
mIsWaitingForEcmExit = true;
// Launch ECM exit dialog
Intent ecmDialogIntent =
new Intent(TelephonyManager.ACTION_SHOW_NOTICE_ECM_BLOCK_OTHERS, null);
ecmDialogIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
mContext.startActivity(ecmDialogIntent);
} else {
changeAirplaneModeSystemSetting(on);
}
}
@Override
protected void changeStateFromPress(boolean buttonOn) {
if (!mHasTelephony) return;
// In ECM mode airplane state cannot be changed
if (!TelephonyProperties.in_ecm_mode().orElse(false)) {
mState = buttonOn ? State.TurningOn : State.TurningOff;
mAirplaneState = mState;
}
}
@Override
public boolean showDuringKeyguard() {
return true;
}
@Override
public boolean showBeforeProvisioning() {
return false;
}
};
onAirplaneModeChanged();
mItems = new ArrayList<Action>();
String[] defaultActions = mContext.getResources().getStringArray(
com.android.internal.R.array.config_globalActionsList);
ArraySet<String> addedKeys = new ArraySet<String>();
for (int i = 0; i < defaultActions.length; i++) {
String actionKey = defaultActions[i];
if (addedKeys.contains(actionKey)) {
// If we already have added this, don't add it again.
continue;
}
if (GLOBAL_ACTION_KEY_POWER.equals(actionKey)) {
mItems.add(new PowerAction(mContext, mWindowManagerFuncs));
} else if (GLOBAL_ACTION_KEY_AIRPLANE.equals(actionKey)) {
mItems.add(mAirplaneModeOn);
} else if (GLOBAL_ACTION_KEY_BUGREPORT.equals(actionKey)) {
if (Settings.Global.getInt(mContext.getContentResolver(),
Settings.Global.BUGREPORT_IN_POWER_MENU, 0) != 0 && isCurrentUserOwner()) {
mItems.add(new BugReportAction());
}
} else if (GLOBAL_ACTION_KEY_SILENT.equals(actionKey)) {
if (mShowSilentToggle) {
mItems.add(mSilentModeAction);
}
} else if (GLOBAL_ACTION_KEY_USERS.equals(actionKey)) {
if (SystemProperties.getBoolean("fw.power_user_switcher", false)) {
addUsersToMenu(mItems);
}
} else if (GLOBAL_ACTION_KEY_SETTINGS.equals(actionKey)) {
mItems.add(getSettingsAction());
} else if (GLOBAL_ACTION_KEY_LOCKDOWN.equals(actionKey)) {
mItems.add(getLockdownAction());
} else if (GLOBAL_ACTION_KEY_VOICEASSIST.equals(actionKey)) {
mItems.add(getVoiceAssistAction());
} else if (GLOBAL_ACTION_KEY_ASSIST.equals(actionKey)) {
mItems.add(getAssistAction());
} else if (GLOBAL_ACTION_KEY_RESTART.equals(actionKey)) {
mItems.add(new RestartAction(mContext, mWindowManagerFuncs));
} else {
Log.e(TAG, "Invalid global action key " + actionKey);
}
// Add here so we don't add more than one.
addedKeys.add(actionKey);
}
if (mEmergencyAffordanceManager.needsEmergencyAffordance()) {
mItems.add(getEmergencyAction());
}
mAdapter = new ActionsAdapter(mContext, mItems,
() -> mDeviceProvisioned, () -> mKeyguardShowing);
AlertController.AlertParams params = new AlertController.AlertParams(mContext);
params.mAdapter = mAdapter;
params.mOnClickListener = this;
params.mForceInverseBackground = true;
ActionsDialog dialog = new ActionsDialog(mContext, params);
dialog.setCanceledOnTouchOutside(false); // Handled by the custom class.
dialog.getListView().setItemsCanFocus(true);
dialog.getListView().setLongClickable(true);
dialog.getListView().setOnItemLongClickListener(
new AdapterView.OnItemLongClickListener() {
@Override
public boolean onItemLongClick(AdapterView<?> parent, View view, int position,
long id) {
final Action action = mAdapter.getItem(position);
if (action instanceof LongPressAction) {
return ((LongPressAction) action).onLongPress();
}
return false;
}
});
dialog.getWindow().setType(WindowManager.LayoutParams.TYPE_KEYGUARD_DIALOG);
// Don't acquire soft keyboard focus, to avoid destroying state when capturing bugreports
dialog.getWindow().setFlags(FLAG_ALT_FOCUSABLE_IM, FLAG_ALT_FOCUSABLE_IM);
dialog.setOnDismissListener(this);
return dialog;
}
private class BugReportAction extends SinglePressAction implements LongPressAction {
public BugReportAction() {
super(com.android.internal.R.drawable.ic_lock_bugreport, R.string.bugreport_title);
}
@Override
public void onPress() {
// don't actually trigger the bugreport if we are running stability
// tests via monkey
if (ActivityManager.isUserAMonkey()) {
return;
}
// Add a little delay before executing, to give the
// dialog a chance to go away before it takes a
// screenshot.
mHandler.postDelayed(new Runnable() {
@Override
public void run() {
try {
// Take an "interactive" bugreport.
MetricsLogger.action(mContext,
MetricsEvent.ACTION_BUGREPORT_FROM_POWER_MENU_INTERACTIVE);
ActivityManager.getService().requestInteractiveBugReport();
} catch (RemoteException e) {
}
}
}, 500);
}
@Override
public boolean onLongPress() {
// don't actually trigger the bugreport if we are running stability
// tests via monkey
if (ActivityManager.isUserAMonkey()) {
return false;
}
try {
// Take a "full" bugreport.
MetricsLogger.action(mContext, MetricsEvent.ACTION_BUGREPORT_FROM_POWER_MENU_FULL);
ActivityManager.getService().requestFullBugReport();
} catch (RemoteException e) {
}
return false;
}
@Override
public boolean showDuringKeyguard() {
return true;
}
@Override
public boolean showBeforeProvisioning() {
return false;
}
@Override
public String getStatus() {
return mContext.getString(
com.android.internal.R.string.bugreport_status,
Build.VERSION.RELEASE_OR_CODENAME,
Build.ID);
}
}添加菜单可以参考 Android 6.0长按电源键添加重启菜单-CSDN博客