Android微信自动回复功能
本文原创,转载请经过本人准许。
写在前面:
最近接到老大的一个需求,要求在手机端拦截微信的通知(Notification),从而获得联系人和内容。之后将联系人和内容发送到我们的硬件产品上,展示出来之后,再将我们想回复内容传给微信,并且发送给相应联系人。
老大还提示我需要用AccessibilityService去实现它,当然在此之前我并不知道AccessibilityService是什么鬼,不过没关系, just do IT !
AccessibilityService
AccessibilityService官方文档(需翻墙)
上面这个链接是AccessibilityService的官方文档,可以翻墙点进去了解下,我再给大家总结一下:
AccessibilityService是Android系统框架提供给安装在设备上应用的一个可选的导航反馈特性。AccessibilityService 可以替代应用与用户交流反馈,比如将文本转化为语音提示,或是用户的手指悬停在屏幕上一个较重要的区域时的触摸反馈等。
如果感觉上面的描述比较抽象,没关系,也许你见过下面这张图:
打开你手机的设置–辅助功能中,有很多APP提供的服务,他们都是基于AccessibilityService编写的,AccessibilityService可以侦听你的点击,长按,手势,通知栏的变化等。并且你可以通过很多种方式找到窗体中的EditText,Button等组件,去填充他们,去点击他们来帮你实现自动化的功能。
像360助手的自动安装功能,它就是侦听着系统安装的APP,然后找到“安装”按钮,实现了自动点击。微信自动抢红包功能,实现方式都是如此。
配置AccessibilityService
首先我们在res文件夹下创建xml文件夹,然后创建一个名为auto_reply_service_config的文件,一会我们会在清单文件中引用它。
代码:
<accessibility-service xmlns:android="http://schemas.android.com/apk/res/android" android:accessibilityEventTypes="typeNotificationStateChanged|typeWindowStateChanged"android:accessibilityFeedbackType="feedbackGeneric"android:accessibilityFlags="flagDefault"android:canRetrieveWindowContent="true"android:description="@string/accessibility_description"android:notificationTimeout="100"android:packageNames="com.tencent.mm" />
这个文件表示我们对AccessibilityService服务未来侦听的行为做了一些配置,比如 typeNotificationStateChanged 和 typeWindowStateChanged 表示我们需要侦听通知栏的状态变化和窗体状态改变。
android:packageNames=”com.tencent.mm” 这是微信的包名,表示我们只关心微信这一个应用。
代码不打算带着大家一行一行看了,如果有不明白的,去看看文档,或者下面回复我,我给大家解答~
创建AccessibilityService
下面贴出AccessibilityService类的全部代码,注释还算详尽,如有疑问,下方回复。
package com.ileja.autoreply;import android.accessibilityservice.AccessibilityService;
import android.annotation.SuppressLint;
import android.app.ActivityManager;
import android.app.KeyguardManager;
import android.app.Notification;
import android.app.PendingIntent;
import android.content.ClipData;
import android.content.ClipboardManager;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.os.Handler;
import android.os.PowerManager;
import android.text.TextUtils;
import android.view.KeyEvent;
import android.view.accessibility.AccessibilityEvent;
import android.view.accessibility.AccessibilityNodeInfo;import java.io.IOException;
import java.util.List;public class AutoReplyService extends AccessibilityService {private final static String MM_PNAME = "com.tencent.mm";boolean hasAction = false;boolean locked = false;boolean background = false;private String name;private String scontent;AccessibilityNodeInfo itemNodeinfo;private KeyguardManager.KeyguardLock kl;private Handler handler = new Handler();/*** 必须重写的方法,响应各种事件。* @param event*/@Overridepublic void onAccessibilityEvent(final AccessibilityEvent event) {int eventType = event.getEventType();android.util.Log.d("maptrix", "get event = " + eventType);switch (eventType) {case AccessibilityEvent.TYPE_NOTIFICATION_STATE_CHANGED:// 通知栏事件android.util.Log.d("maptrix", "get notification event");List<CharSequence> texts = event.getText();if (!texts.isEmpty()) {for (CharSequence text : texts) {String content = text.toString();if (!TextUtils.isEmpty(content)) {if (isScreenLocked()) {locked = true;wakeAndUnlock();android.util.Log.d("maptrix", "the screen is locked");if (isAppForeground(MM_PNAME)) {background = false;android.util.Log.d("maptrix", "is mm in foreground");sendNotifacationReply(event);handler.postDelayed(new Runnable() {@Overridepublic void run() {sendNotifacationReply(event);if (fill()) {send();}}}, 1000);} else {background = true;android.util.Log.d("maptrix", "is mm in background");sendNotifacationReply(event);}} else {locked = false;android.util.Log.d("maptrix", "the screen is unlocked");// 监听到微信红包的notification,打开通知if (isAppForeground(MM_PNAME)) {background = false;android.util.Log.d("maptrix", "is mm in foreground");sendNotifacationReply(event);handler.postDelayed(new Runnable() {@Overridepublic void run() {if (fill()) {send();}}}, 1000);} else {background = true;android.util.Log.d("maptrix", "is mm in background");sendNotifacationReply(event);}}}}}break;case AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED:android.util.Log.d("maptrix", "get type window down event");if (!hasAction) break;itemNodeinfo = null;String className = event.getClassName().toString();if (className.equals("com.tencent.mm.ui.LauncherUI")) {if (fill()) {send();}else {if(itemNodeinfo != null){itemNodeinfo.performAction(AccessibilityNodeInfo.ACTION_CLICK);handler.postDelayed(new Runnable() {@Overridepublic void run() {if (fill()) {send();}back2Home();release();hasAction = false;}}, 1000);break;}}}//bring2Front();back2Home();release();hasAction = false;break;}}/*** 寻找窗体中的“发送”按钮,并且点击。*/@SuppressLint("NewApi")private void send() {AccessibilityNodeInfo nodeInfo = getRootInActiveWindow();if (nodeInfo != null) {List<AccessibilityNodeInfo> list = nodeInfo.findAccessibilityNodeInfosByText("发送");if (list != null && list.size() > 0) {for (AccessibilityNodeInfo n : list) {n.performAction(AccessibilityNodeInfo.ACTION_CLICK);}} else {List<AccessibilityNodeInfo> liste = nodeInfo.findAccessibilityNodeInfosByText("Send");if (liste != null && liste.size() > 0) {for (AccessibilityNodeInfo n : liste) {n.performAction(AccessibilityNodeInfo.ACTION_CLICK);}}}pressBackButton();}}/*** 模拟back按键*/private void pressBackButton(){Runtime runtime = Runtime.getRuntime();try {runtime.exec("input keyevent " + KeyEvent.KEYCODE_BACK);} catch (IOException e) {e.printStackTrace();}}/**** @param event*/private void sendNotifacationReply(AccessibilityEvent event) {hasAction = true;if (event.getParcelableData() != null&& event.getParcelableData() instanceof Notification) {Notification notification = (Notification) event.getParcelableData();String content = notification.tickerText.toString();String[] cc = content.split(":");name = cc[0].trim();scontent = cc[1].trim();android.util.Log.i("maptrix", "sender name =" + name);android.util.Log.i("maptrix", "sender content =" + scontent);PendingIntent pendingIntent = notification.contentIntent;try {pendingIntent.send();} catch (PendingIntent.CanceledException e) {e.printStackTrace();}}}@SuppressLint("NewApi")private boolean fill() {AccessibilityNodeInfo rootNode = getRootInActiveWindow();if (rootNode != null) {return findEditText(rootNode, "正在忙,稍后回复你");}return false;}private boolean findEditText(AccessibilityNodeInfo rootNode, String content) {int count = rootNode.getChildCount();android.util.Log.d("maptrix", "root class=" + rootNode.getClassName() + ","+ rootNode.getText()+","+count);for (int i = 0; i < count; i++) {AccessibilityNodeInfo nodeInfo = rootNode.getChild(i);if (nodeInfo == null) {android.util.Log.d("maptrix", "nodeinfo = null");continue;}android.util.Log.d("maptrix", "class=" + nodeInfo.getClassName());android.util.Log.e("maptrix", "ds=" + nodeInfo.getContentDescription());if(nodeInfo.getContentDescription() != null){int nindex = nodeInfo.getContentDescription().toString().indexOf(name);int cindex = nodeInfo.getContentDescription().toString().indexOf(scontent);android.util.Log.e("maptrix", "nindex=" + nindex + " cindex=" +cindex);if(nindex != -1){itemNodeinfo = nodeInfo;android.util.Log.i("maptrix", "find node info");}}if ("android.widget.EditText".equals(nodeInfo.getClassName())) {android.util.Log.i("maptrix", "==================");Bundle arguments = new Bundle();arguments.putInt(AccessibilityNodeInfo.ACTION_ARGUMENT_MOVEMENT_GRANULARITY_INT,AccessibilityNodeInfo.MOVEMENT_GRANULARITY_WORD);arguments.putBoolean(AccessibilityNodeInfo.ACTION_ARGUMENT_EXTEND_SELECTION_BOOLEAN,true);nodeInfo.performAction(AccessibilityNodeInfo.ACTION_PREVIOUS_AT_MOVEMENT_GRANULARITY,arguments);nodeInfo.performAction(AccessibilityNodeInfo.ACTION_FOCUS);ClipData clip = ClipData.newPlainText("label", content);ClipboardManager clipboardManager = (ClipboardManager) getSystemService(Context.CLIPBOARD_SERVICE);clipboardManager.setPrimaryClip(clip);nodeInfo.performAction(AccessibilityNodeInfo.ACTION_PASTE);return true;}if (findEditText(nodeInfo, content)) {return true;}}return false;}@Overridepublic void onInterrupt() {}/*** 判断指定的应用是否在前台运行** @param packageName* @return*/private boolean isAppForeground(String packageName) {ActivityManager am = (ActivityManager) getSystemService(Context.ACTIVITY_SERVICE);ComponentName cn = am.getRunningTasks(1).get(0).topActivity;String currentPackageName = cn.getPackageName();if (!TextUtils.isEmpty(currentPackageName) && currentPackageName.equals(packageName)) {return true;}return false;}/*** 将当前应用运行到前台*/private void bring2Front() {ActivityManager activtyManager = (ActivityManager) getSystemService(Context.ACTIVITY_SERVICE);List<ActivityManager.RunningTaskInfo> runningTaskInfos = activtyManager.getRunningTasks(3);for (ActivityManager.RunningTaskInfo runningTaskInfo : runningTaskInfos) {if (this.getPackageName().equals(runningTaskInfo.topActivity.getPackageName())) {activtyManager.moveTaskToFront(runningTaskInfo.id, ActivityManager.MOVE_TASK_WITH_HOME);return;}}}/*** 回到系统桌面*/private void back2Home() {Intent home = new Intent(Intent.ACTION_MAIN);home.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);home.addCategory(Intent.CATEGORY_HOME);startActivity(home);}/*** 系统是否在锁屏状态** @return*/private boolean isScreenLocked() {KeyguardManager keyguardManager = (KeyguardManager) getSystemService(Context.KEYGUARD_SERVICE);return keyguardManager.inKeyguardRestrictedInputMode();}private void wakeAndUnlock() {//获取电源管理器对象PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE);//获取PowerManager.WakeLock对象,后面的参数|表示同时传入两个值,最后的是调试用的TagPowerManager.WakeLock wl = pm.newWakeLock(PowerManager.ACQUIRE_CAUSES_WAKEUP | PowerManager.SCREEN_BRIGHT_WAKE_LOCK, "bright");//点亮屏幕wl.acquire(1000);//得到键盘锁管理器对象KeyguardManager km = (KeyguardManager) getSystemService(Context.KEYGUARD_SERVICE);kl = km.newKeyguardLock("unLock");//解锁kl.disableKeyguard();}private void release() {if (locked && kl != null) {android.util.Log.d("maptrix", "release the lock");//得到键盘锁管理器对象kl.reenableKeyguard();locked = false;}}
}
接着配置清单文件,权限和service的配置比较重要。
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"package="com.ileja.autoreply"><uses-permission android:name="android.permission.DISABLE_KEYGUARD" /><uses-permission android:name="android.permission.INTERNET" /><uses-permission android:name="android.permission.MODIFY_AUDIO_SETTINGS" /><uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" /><uses-permission android:name="android.permission.BIND_ACCESSIBILITY_SERVICE" /><uses-permission android:name="android.permission.GET_TASKS" /><uses-permission android:name="android.permission.REORDER_TASKS" /><uses-permission android:name="android.permission.WAKE_LOCK" /><application
android:allowBackup="true"android:icon="@mipmap/ic_launcher"android:label="@string/app_name"android:supportsRtl="true"android:theme="@style/AppTheme"><activity android:name=".MainActivity"><intent-filter><action android:name="android.intent.action.MAIN" /><category android:name="android.intent.category.LAUNCHER" /></intent-filter></activity><service
android:name=".AutoReplyService"android:enabled="true"android:exported="true"android:label="@string/app_name"android:permission="android.permission.BIND_ACCESSIBILITY_SERVICE"><intent-filter><action android:name="android.accessibilityservice.AccessibilityService"/></intent-filter><meta-data
android:name="android.accessibilityservice"android:resource="@xml/auto_reply_service_config"/></service></application>
</manifest>
为了使用某些必要的API,最低API level应该是18
运行程序,打开服务,看看效果如何把~
接着用其他手机试着发送给我几条微信
可以看到,自动回复功能就实现了。
写在后面:
代码没有给大家详细讲解,不过看注释应该可以看懂个大概。当微信程序切换到后台,或者锁屏(无锁屏密码)时,只要有通知出现,都可以实现自动回复。
关于AccessibilityService可以监控的行为非常多,所以我觉得可以实现各种各样炫酷的功能,不过我并不建议你打开某些流氓软件的AccessibilityService服务,因为很有可能造成一些安全问题,所以,自己动手写就安全多了嘛。