1 package com.lihai.zapp.serv;
 2 
 3 import java.util.List;
 4 
 5 import android.accessibilityservice.AccessibilityService;
 6 import android.annotation.SuppressLint;
 7 import android.view.accessibility.AccessibilityEvent;
 8 import android.view.accessibility.AccessibilityNodeInfo;
 9 
10 @SuppressLint("NewApi")
11 public class MyAccessibilityService extends AccessibilityService {
12 
13     @Override
14     public void onCreate() {
15         super.onCreate();
16     }
17 
18     @Override
19     public void onAccessibilityEvent(AccessibilityEvent event) {
20         switch (event.getEventType()) {
21         case AccessibilityEvent.TYPE_VIEW_FOCUSED:
22             AccessibilityNodeInfo rootNodeInfo = getRootInActiveWindow();
23             List<AccessibilityNodeInfo> nodeInfos = rootNodeInfo.findAccessibilityNodeInfosByText("Button");
24             for (AccessibilityNodeInfo n : nodeInfos) {
25                 n.setText("Change");
26             }
27             break;
28         }
29     }
30 
31     @Override
32     public void onInterrupt() {
33     }
34 }