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我正在寻找一种在 Android Lollipop 中检索活动标题的方法。

我的意思不是进程名称，甚至不是应用程序的名称，而是活动打开时赋予它的标题。例如，当您在 Chrome 中导航到http://www.google.com/时，标题从“Chrome”变为“Google”，当您点击最近的应用程序按钮时可以看到，我需要返回的内容“谷歌”这个词。

下面是我在循环当前正在运行的应用程序并尝试查找该信息的糟糕尝试。

    ActivityManager am = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);
    List<ActivityManager.RunningAppProcessInfo> runningAppProcessInfo = am.getRunningAppProcesses();

    for (int i = 0; i < runningAppProcessInfo.size(); i++) {
        PackageManager pm = context.getPackageManager();
        ApplicationInfo info = null;
        try {
            info = pm.getApplicationInfo(runningAppProcessInfo.get(i).processName, 0);
            Log.i("DEBUG_LABEL", "Process Name: " + runningAppProcessInfo.get(i).processName);
            Log.i("DEBUG_LABEL", "App Label: " + pm.getApplicationLabel(info).toString());
            if (info.className != null) {
                Log.i("DEBUG_LABEL", "Info's package and class name: " + info.packageName + ", " + info.className);
                ComponentName cName = new ComponentName(info.packageName, info.className);
                ActivityInfo activityInfo = pm.getActivityInfo(cName, PackageManager.GET_META_DATA);
                Log.i("DEBUG_LABEL", "Activity Label: " + activityInfo.loadLabel(pm));
            }
        } catch (PackageManager.NameNotFoundException e) {
            e.printStackTrace();
        }
    }
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1 回答 1

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显然我正在寻找的是description任务的。

List<ActivityManager.RunningTaskInfo> rTaskInfoList = am.getRunningTasks(100);

...

return rTaskInfoList.get(i).description.toString() // Returns "Google", instead of "Chrome"
于 2015-07-29T22:11:35.090 回答