如何编写基于Android的AccessibilityService的自动打卡

 public static boolean isBackground(Context context) {
        ActivityManager activityManager = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);
        List<ActivityManager.RunningAppProcessInfo> appProcesses = activityManager.getRunningAppProcesses();
        for (ActivityManager.RunningAppProcessInfo appProcess : appProcesses) {
            if (appProcess.processName.equals(context.getPackageName())) {
                if (appProcess.importance == ActivityManager.RunningAppProcessInfo.IMPORTANCE_BACKGROUND) {
                    Log.i("后台", appProcess.processName);
                    return true;
                }else{
                    Log.i("前台", appProcess.processName);
                    return false;
                }
            }
        }
        return false;
    }

 public static void doStartApplicationWithPackageName(Context context, String packagename) {

        // 通过包名获取此APP详细信息，包括Activities、services、versioncode、name等等
        PackageInfo packageinfo = null;
        try {
            packageinfo = context.getPackageManager().getPackageInfo(packagename, 0);
        } catch (PackageManager.NameNotFoundException e) {
            e.printStackTrace();
        }
        if (packageinfo == null) {
            return;
        }

        // 创建一个类别为CATEGORY_LAUNCHER的该包名的Intent
        Intent resolveIntent = new Intent(Intent.ACTION_MAIN, null);
        resolveIntent.addCategory(Intent.CATEGORY_LAUNCHER);
        resolveIntent.setPackage(packageinfo.packageName);

        // 通过getPackageManager()的queryIntentActivities方法遍历
        List<ResolveInfo> resolveinfoList = context.getPackageManager()
                .queryIntentActivities(resolveIntent, 0);

        ResolveInfo resolveinfo = resolveinfoList.iterator().next();
        if (resolveinfo != null) {
            // packagename = 参数packname
            String packageName = resolveinfo.activityInfo.packageName;
            // 这个就是我们要找的该APP的LAUNCHER的Activity[组织形式：packagename.mainActivityname]
            String className = resolveinfo.activityInfo.name;
            // LAUNCHER Intent
            Intent intent = new Intent(Intent.ACTION_MAIN);
            intent.addCategory(Intent.CATEGORY_LAUNCHER);

            // 设置ComponentName参数1:packagename参数2:MainActivity路径
            ComponentName cn = new ComponentName(packageName, className);

            intent.setComponent(cn);
            context.startActivity(intent);
        }
    }

 @Override
    public void onAccessibilityEvent(AccessibilityEvent accessibilityEvent) {
        if(isFinish){
            return;
        }
        AccessibilityNodeInfo nodeInfo = getRootInActiveWindow();
        if(nodeInfo == null) {
            Log.d(TAG, "rootWindow为空");
            return ;
        }
        switch (accessibilityEvent.getEventType()){
            //当窗口的状态发生改变时
            case AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED:
               if (index==1) {
                    //主页点击工作
                   clickHome(nodeInfo,accessibilityEvent);
                   Log.d(TAG,"工作");
                } else  if (index==2) {
                    //工作tab点击考勤打卡
                   clickKaoQing(nodeInfo,accessibilityEvent);
                   Log.d(TAG,"点击考勤打卡");
                } else  if (index==3) {
                    //开始打卡
                   clickKaoQingBtn(nodeInfo,accessibilityEvent);
                   Log.d(TAG,"打卡");
                }
                break;
        }

    }