Created
September 27, 2015 04:08
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How to detect foreground process name in Android with Lollipop
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@TargetApi(Build.VERSION_CODES.LOLLIPOP) | |
public static String getForegroundProcess(Context context) { | |
String topPackageName = null; | |
UsageStatsManager usage = (UsageStatsManager) context.getSystemService(Context.USAGE_STATS_SERVICE); | |
long time = System.currentTimeMillis(); | |
List<UsageStats> stats = usage.queryUsageStats(UsageStatsManager.INTERVAL_DAILY, time - 1000*1000, time); | |
if (stats != null) { | |
SortedMap<Long, UsageStats> runningTask = new TreeMap<Long,UsageStats>(); | |
for (UsageStats usageStats : stats) { | |
runningTask.put(usageStats.getLastTimeUsed(), usageStats); | |
} | |
if (runningTask.isEmpty()) { | |
return null; | |
} | |
topPackageName = runningTask.get(runningTask.lastKey()).getPackageName(); | |
} | |
if(topPackageName==null) { | |
Intent intent = new Intent(Settings.ACTION_USAGE_ACCESS_SETTINGS); | |
context.startActivity(intent); | |
} | |
return topPackageName; | |
} |
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