package com.cxk.wechatdeletefail;import android.accessibilityservice.AccessibilityService;
import android.content.Intent;
import android.text.TextUtils;
import android.view.accessibility.AccessibilityEvent;
import android.view.accessibility.AccessibilityNodeInfo;
import android.widget.Toast;/*** Created by cxk on 2017/2/9.* <p>* email:471497226@qq.com* <p>* 屏蔽微信"删除联系人"和"拉黑"功能*/public class DeleteFailService extends AccessibilityService {/*** 判断是不是删除联系人弹框*/private boolean isDeleteDialog;/*** 判断是不是拉黑联系人弹框*/private boolean isDefriendDialog;@Overridepublic void onAccessibilityEvent(AccessibilityEvent event) {int eventType = event.getEventType();switch (eventType) {//进入聊天页面会触发该事件case AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED://获取当前聊天页面根布局AccessibilityNodeInfo rootNode = getRootInActiveWindow();//屏蔽微信"删除联系人"和"拉黑"功能
                DeleteFail(rootNode);break;}}/*** 遍历所有控件，判断是不是删除联系人界面或者拉黑界面，如果是则模拟点击"取消"，让它消失。** @param rootNode*/private void DeleteFail(AccessibilityNodeInfo rootNode) {if(rootNode!=null){for (int i = 0; i < rootNode.getChildCount(); i++) {AccessibilityNodeInfo node = rootNode.getChild(i);//判断是不是删除联系人弹出框if("android.widget.TextView".equals(node.getClassName().toString())){if(!TextUtils.isEmpty(node.getText())){if(node.getText().toString().contains("将同时删除与该联系人的聊天记录")){isDeleteDialog=true;}}}//判断是不是拉黑联系人弹出框if("android.widget.TextView".equals(node.getClassName().toString())){if(!TextUtils.isEmpty(node.getText())){if(node.getText().toString().contains("你将不再收到对方的消息，并且你们相互看不到对方朋友圈的更新")){isDefriendDialog=true;}}}//模拟点击取消按钮让对话框消失if("android.widget.Button".equals(node.getClassName().toString())){if(isDeleteDialog||isDefriendDialog){if(!TextUtils.isEmpty(node.getText())){if(node.getText().toString().equals("取消")){node.performAction(AccessibilityNodeInfo.ACTION_CLICK);}}}}}}}/*** 必须重写的方法：系统要中断此service返回的响应时会调用。在整个生命周期会被调用多次。*/@Overridepublic void onInterrupt() {Toast.makeText(this, "我快被终结了啊-----", Toast.LENGTH_SHORT).show();}/*** 服务开始连接*/@Overrideprotected void onServiceConnected() {Toast.makeText(this, "服务已开启", Toast.LENGTH_SHORT).show();super.onServiceConnected();}/*** 服务断开** @param intent* @return*/@Overridepublic boolean onUnbind(Intent intent) {Toast.makeText(this, "服务已被关闭", Toast.LENGTH_SHORT).show();return super.onUnbind(intent);}
}