PackageManager manager = context.getPackageManager(); Intent intent = new Intent(Intent.ACTION_MAIN); List<ResolveInfo> infos = manager.queryIntentActivities(intent, 0); List<ComponentName> names = new ArrayList<ComponentName>(); List<Map<String, String>> list = new ArrayList<Map<String, String>>(); for (ResolveInfo info : infos) { ComponentName cn = new ComponentName(info.activityInfo.packageName, info.activityInfo.name); names.add(cn); } IUsageStats mUsageStatsService = IUsageStats.Stub .asInterface(ServiceManager.getService("usagestats")); for (ComponentName name : names) { PkgUsageStats aStats = null; ApplicationInfo info = null; try { aStats = mUsageStatsService.getPkgUsageStats(name); info = manager.getApplicationInfo(name.getPackageName(), PackageManager.GET_META_DATA); } catch (Exception e) { e.printStackTrace(); } if (aStats != null && info != null) { String appName = info.loadLabel(manager).toString(); int count = aStats.launchCount; if (count == 0) { continue; } Map<String, String> map = new HashMap<String, String>(); map.put("appName", appName); map.put("count", count + ""); list.add(map); } }
这个只有在系统应用才可以用
所以 首先 需要加一个权限:
android.permission.PACKAGEUSAGESTATS
然后 需要把应用放在 System/app 下才能使用
需要在shell里执行命令:
mount -o remount,rw /system (需要root权限才可以使用)