@Override
public void onPause() {
super.onPause();
MyAccessibilityService talkBackService = MyAccessibilityService.getInstance();
if (talkBackService != null && talkBackService.supportsTouchScreen()) {
getContentResolver().unregisterContentObserver(mTouchExploreObserver);
}
if (mExploreByTouchDialog != null) {
mExploreByTouchDialog.dismiss();
}
if (mTreeDebugDialog != null) {
mTreeDebugDialog.dismiss();
}
}
@Override
public void onResume() {
super.onResume();
MyAccessibilityService talkBackService = MyAccessibilityService.getInstance();
if (talkBackService != null && talkBackService.supportsTouchScreen()) {
registerTouchSettingObserver();
}
if (mExploreByTouchDialog != null) {
mExploreByTouchDialog.show();
}
if (mTreeDebugDialog != null) {
mTreeDebugDialog.show();
}
updateTalkBackShortcutStatus();
updateDimingPreferenceStatus();
}