修改各种bug

app/src/main/res/xml/accessibility.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<accessibility-service
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:accessibilityEventTypes="typeWindowStateChanged"
+    android:accessibilityFeedbackType="feedbackGeneric"
+    android:accessibilityFlags="flagIncludeNotImportantViews"
+    android:description="@string/accessibility_service_description"
+    />
+