Android实现屏蔽微信拉黑和删除联系人功能示例

packagecom.cxk.wechatdeletefail;

importandroid.accessibilityservice.AccessibilityService;

importandroid.content.Intent;

importandroid.text.TextUtils;

importandroid.view.accessibility.AccessibilityEvent;

importandroid.view.accessibility.AccessibilityNodeInfo;

importandroid.widget.Toast;

/**

 * Created by cxk on 2017/2/9.

 * 屏蔽微信"删除联系人"和"拉黑"功能

 */

publicclassDeleteFailServiceextendsAccessibilityService {

  /**

   * 判断是不是删除联系人弹框

   */

  privatebooleanisDeleteDialog;

  /**

   * 判断是不是拉黑联系人弹框

   */

  privatebooleanisDefriendDialog;

  @Override

  publicvoidonAccessibilityEvent(AccessibilityEvent event) {

    inteventType = event.getEventType();

    switch(eventType) {

      //进入聊天页面会触发该事件

      caseAccessibilityEvent.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

   */

  privatevoidDeleteFail(AccessibilityNodeInfo rootNode) {

    if(rootNode!=null){

      for(inti =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。

   */

  @Override

  publicvoidonInterrupt() {

    Toast.makeText(this,"我快被终结了啊-----", Toast.LENGTH_SHORT).show();

  }

  /**

   * 服务开始连接

   */

  @Override

  protectedvoidonServiceConnected() {

    Toast.makeText(this,"服务已开启", Toast.LENGTH_SHORT).show();

    super.onServiceConnected();

  }

  /**

   * 服务断开

   *

   * @param intent

   * @return

   */

  @Override

  publicbooleanonUnbind(Intent intent) {

    Toast.makeText(this,"服务已被关闭", Toast.LENGTH_SHORT).show();

    returnsuper.onUnbind(intent);

  }

}