如何在棒棒糖中`getTopActivity`名称或获取当前运行应用程序包名称？

Question

我正在创建一个应用程序锁应用程序。如何在棒棒糖中获取当前运行任务？ getRunningTaskinfo 方法在 lollipop API 中被弃用，那么如何解决这个问题？

Answer 1

试试这个：

ActivityManager mActivityManager =(ActivityManager)this.getSystemService(Context.ACTIVITY_SERVICE);

if(Build.VERSION.SDK_INT > 20){
String mPackageName = mActivityManager.getRunningAppProcesses().get(0).processName;
}
else{
  String mpackageName = mActivityManager.getRunningTasks(1).get(0).topActivity.getPackageName();
}

我们可以使用 UsageStats：

public static String getTopAppName(Context context) {
    ActivityManager mActivityManager = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);
    String strName = "";
    try {
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
            strName = getLollipopFGAppPackageName(context);
        } else {
            strName = mActivityManager.getRunningTasks(1).get(0).topActivity.getClassName();
        }
    } catch (Exception e) {
        e.printStackTrace();
    }
    return strName;
}


private static String getLollipopFGAppPackageName(Context ctx) {

    try {
        UsageStatsManager usageStatsManager = (UsageStatsManager) ctx.getSystemService("usagestats");
        long milliSecs = 60 * 1000;
        Date date = new Date();
        List<UsageStats> queryUsageStats = usageStatsManager.queryUsageStats(UsageStatsManager.INTERVAL_DAILY, date.getTime() - milliSecs, date.getTime());
        if (queryUsageStats.size() > 0) {
            Log.i("LPU", "queryUsageStats size: " + queryUsageStats.size());
        }
        long recentTime = 0;
        String recentPkg = "";
        for (int i = 0; i < queryUsageStats.size(); i++) {
            UsageStats stats = queryUsageStats.get(i);
            if (i == 0 && !"org.pervacio.pvadiag".equals(stats.getPackageName())) {
                Log.i("LPU", "PackageName: " + stats.getPackageName() + " " + stats.getLastTimeStamp());
            }
            if (stats.getLastTimeStamp() > recentTime) {
                recentTime = stats.getLastTimeStamp();
                recentPkg = stats.getPackageName();
            }
        }
        return recentPkg;
    } catch (Exception e) {
        e.printStackTrace();
    }
    return "";
}

// 启用 USAGE_STATS

    // Declare USAGE_STATS permisssion in manifest

    <uses-permission
    android:name="android.permission.PACKAGE_USAGE_STATS"
    tools:ignore="ProtectedPermissions" />


    Intent intent = new Intent(Settings.ACTION_USAGE_ACCESS_SETTINGS);
    startActivity(intent);

Answer 2

可以这样实现.....

ActivityManager am =(ActivityManager)context.getSystemService(ACTIVITY_SERVICE);
List<ActivityManager.RunningTaskInfo> tasks = am.getRunningTasks(1);
ActivityManager.RunningTaskInfo task = tasks.get(0); // current task
ComponentName rootActivity = task.baseActivity;


rootActivity.getPackageName();//*currently active applications package name*

对于棒棒糖：

ActivityManager mActivityManager =(ActivityManager)this.getSystemService(Context.ACTIVITY_SERVICE);

if(Build.VERSION.SDK_INT > 20){
    String activityName =mActivityManager.getRunningAppProcesses().get(0).processName;
 }
else{
 String activityName =   mActivityManager.getRunningTasks(1).get(0).topActivity.getPackageName();
}

完整示例check this out...

Answer 3

你确定吗？正如我根据最新的 Android 文档所见，LOLLIPOP 更新不允许您了解除您自己的应用程序之外的其他应用程序的任何信息！？

http://developer.android.com/reference/android/app/ActivityManager.html 你可以看到所有这些方法都被弃用了！

Answer 4

试试这个..这对我有用。

ActivityManager activityManager = (ActivityManager) getSystemService (Context.ACTIVITY_SERVICE);

if (Build.VERSION.SDK_INT == Build.VERSION_CODES.LOLLIPOP)    
{

String packageName = activityManager.getRunningAppProcesses().get(0).processName;
} 
else if(Build.VERSION.SDK_INT > Build.VERSION_CODES.LOLLIPOP)
{
String packageName =  ProcessManager.getRunningForegroundApps(getApplicationContext()).get(0).getPackageName();

}
else
{
String packageName = activityManager.getRunningTasks(1).get(0).topActivity.getPackageName();
}

Answer 5

在 API 21 或更高版本中获取运行应用程序的最佳解决方案如下所示。这对我有用

private String retriveNewApp() {
    if (VERSION.SDK_INT >= 21) {
        String currentApp = null;
        UsageStatsManager usm = (UsageStatsManager) this.getSystemService(Context.USAGE_STATS_SERVICE);
        long time = System.currentTimeMillis();
        List<UsageStats> applist = usm.queryUsageStats(UsageStatsManager.INTERVAL_DAILY, time - 1000 * 1000, time);
        if (applist != null && applist.size() > 0) {
            SortedMap<Long, UsageStats> mySortedMap = new TreeMap<>();
            for (UsageStats usageStats : applist) {
                mySortedMap.put(usageStats.getLastTimeUsed(), usageStats);
            }
            if (mySortedMap != null && !mySortedMap.isEmpty()) {
                currentApp = mySortedMap.get(mySortedMap.lastKey()).getPackageName();
            }
        }
        Log.e(TAG, "Current App in foreground is: " + currentApp);

        return currentApp;

    }
    else {

        ActivityManager manager = (ActivityManager) getSystemService(Context.ACTIVITY_SERVICE);
        String mm=(manager.getRunningTasks(1).get(0)).topActivity.getPackageName();
        Log.e(TAG, "Current App in foreground is: " + mm);
        return mm;
    }
}

Answer 6

您可以使用 AccessibilityService 获取当前运行应用程序。 Accessibility Service 提供 onAccessibilityEvent 事件。

以下是一些示例代码。

@Override
    public void onAccessibilityEvent(AccessibilityEvent event) {
        if (event.getEventType() == AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED) {
            if (event.getPackageName() != null && event.getClassName() != null) {
                Log.d("Foreground App", event.getPackageName().toString());  

            }
        }
    }

您可以找到有关辅助功能服务的更多信息here

Answer 7

@Manish Godhani 的回答 () 效果很好，但您必须为此授予正确的权限！

查看该答案的前两点：

它对我有用（在添加权限之前我也获得了 'null'），如下所示：

Answer 8

根据this；以下代码非常适合我：

MOVE_TO_FOREGROUND 和 MOVE_TO_BACKGROUND 添加到 sdk 21并在 SDK 29

中弃用

ACTIVITY_RESUMED 和 ACTIVITY_PAUSED 添加到 sdk 29

public static String getTopPkgName(Context context) {
    String pkgName = null;

    UsageStatsManager usageStatsManager = (UsageStatsManager) context
            .getSystemService(Context.USAGE_STATS_SERVICE);

    final long timeTnterval= 1000 * 600;
    final long endTime = System.currentTimeMillis();
    final long beginTime = endTime - timeTnterval;
    final UsageEvents myUsageEvents = usageStatsManager .queryEvents(beginTime , endTime );
    while (myUsageEvents .hasNextEvent()) {
        UsageEvents.Event myEvent = new UsageEvents.Event();
        myUsageEvents .getNextEvent(myEvent );
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
            switch (myEvent .getEventType()) {
                case UsageEvents.Event.ACTIVITY_RESUMED:
                    pkgName = myEvent .getPackageName();
                    break;
                case UsageEvents.Event.ACTIVITY_PAUSED:
                    if (myEvent .getPackageName().equals(pkgName )) {
                        pkgName = null;
                    }
            }
        }else {
            switch (event.getEventType()) {
                case UsageEvents.Event.MOVE_TO_FOREGROUND:
                    pkgName = myEvent .getPackageName();
                    break;
                case UsageEvents.Event.MOVE_TO_BACKGROUND:
                    if (myEvent .getPackageName().equals(pkgName )) {
                        pkgName = null;
                    }
            }
        }
    }

    return pkgName ;
}

如何在棒棒糖中`getTopActivity`名称或获取当前运行应用程序包名称？

How to `getTopActivity` name or get currently running application package name in lollipop?

android

android-5.0-lollipop