安卓：我怎样才能获得当前在屏幕上打开的应用程序名称 [英] Android: How can I get current opened application name on screen

问题描述

请建议我我怎样才能得到当前打开的应用程序名称，即使是在设备的主屏幕，然后我会找到主屏幕是开放的。

Please suggest me how can I get current open application name, even if there is home screen on device then I will find "Home screen is open".

推荐答案

在这里你去

ActivityManager am = (ActivityManager) this.getSystemService(ACTIVITY_SERVICE);
List l = am.getRecentTasks(1, ActivityManager.RECENT_WITH_EXCLUDED);
Iterator i = l.iterator();
PackageManager pm = this.getPackageManager();
while (i.hasNext()) {
    ActivityManager.RunningAppProcessInfo info = (ActivityManager.RunningAppProcessInfo)(i.next());
    try {
        CharSequence c = pm.getApplicationLabel(pm.getApplicationInfo(
        info.processName, PackageManager.GET_META_DATA));
        Log.w("LABEL", c.toString());
    } catch (Exception e) {
        // Name Not FOund Exception
    }
}

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