下面列出了android.app.usage.UsageStats#getLastTimeUsed ( ) 实例代码,或者点击链接到github查看源代码,也可以在右侧发表评论。
/**
* 方法4:通过使用UsageStatsManager获取,此方法是ndroid5.0A之后提供的API
* 必须:
* 1. 此方法只在android5.0以上有效
* 2. AndroidManifest中加入此权限<uses-permission xmlns:tools="http://schemas.android.com/tools" android:name="android.permission.PACKAGE_USAGE_STATS"
* tools:ignore="ProtectedPermissions" />
* 3. 打开手机设置,点击安全-高级,在有权查看使用情况的应用中,为这个App打上勾
*
* @param context 上下文参数
* @param packageName 需要检查是否位于栈顶的App的包名
* @return
*/
@TargetApi(Build.VERSION_CODES.LOLLIPOP)
public static boolean queryUsageStats(Context context, String packageName) {
class RecentUseComparator implements Comparator<UsageStats> {
@Override
public int compare(UsageStats lhs, UsageStats rhs) {
return (lhs.getLastTimeUsed() > rhs.getLastTimeUsed()) ? -1 : (lhs.getLastTimeUsed() == rhs.getLastTimeUsed()) ? 0 : 1;
}
}
RecentUseComparator mRecentComp = new RecentUseComparator();
long ts = System.currentTimeMillis();
UsageStatsManager mUsageStatsManager = (UsageStatsManager) context.getSystemService("usagestats");
List<UsageStats> usageStats = mUsageStatsManager.queryUsageStats(UsageStatsManager.INTERVAL_BEST, ts - 1000 * 10, ts);
if (usageStats == null || usageStats.size() == 0) {
if (HavaPermissionForTest(context) == false) {
Intent intent = new Intent(Settings.ACTION_USAGE_ACCESS_SETTINGS);
intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
context.startActivity(intent);
Toast.makeText(context, "权限不够\n请打开手机设置,点击安全-高级,在有权查看使用情况的应用中,为这个App打上勾", Toast.LENGTH_SHORT).show();
}
return false;
}
Collections.sort(usageStats, mRecentComp);
String currentTopPackage = usageStats.get(0).getPackageName();
if (currentTopPackage.equals(packageName)) {
return true;
} else {
return false;
}
}
private static String getForegroundProcessName(final Context context) {
ActivityManager am =
(ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);
List<ActivityManager.RunningAppProcessInfo> pInfo = am.getRunningAppProcesses();
if (pInfo != null && pInfo.size() > 0) {
for (ActivityManager.RunningAppProcessInfo aInfo : pInfo) {
if (aInfo.importance
== ActivityManager.RunningAppProcessInfo.IMPORTANCE_FOREGROUND) {
return aInfo.processName;
}
}
}
if (android.os.Build.VERSION.SDK_INT > android.os.Build.VERSION_CODES.LOLLIPOP) {
PackageManager pm = context.getPackageManager();
Intent intent = new Intent(Settings.ACTION_USAGE_ACCESS_SETTINGS);
List<ResolveInfo> list =
pm.queryIntentActivities(intent, PackageManager.MATCH_DEFAULT_ONLY);
Log.i("ProcessUtils", list.toString());
if (list.size() <= 0) {
Log.i("ProcessUtils", "getForegroundProcessName: noun of access to usage information.");
return "";
}
try {
// Access to usage information.
ApplicationInfo info = pm.getApplicationInfo(context.getPackageName(), 0);
AppOpsManager aom = (AppOpsManager) context.getSystemService(Context.APP_OPS_SERVICE);
if (aom.checkOpNoThrow(AppOpsManager.OPSTR_GET_USAGE_STATS, info.uid,
info.packageName) != AppOpsManager.MODE_ALLOWED) {
intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
context.startActivity(intent);
}
if (aom.checkOpNoThrow(AppOpsManager.OPSTR_GET_USAGE_STATS,
info.uid,
info.packageName) != AppOpsManager.MODE_ALLOWED) {
Log.i("ProcessUtils", "getForegroundProcessName: refuse to device usage stats.");
return "";
}
UsageStatsManager usageStatsManager = (UsageStatsManager) context
.getSystemService(Context.USAGE_STATS_SERVICE);
List<UsageStats> usageStatsList = null;
if (usageStatsManager != null) {
long endTime = System.currentTimeMillis();
long beginTime = endTime - 86400000 * 7;
usageStatsList = usageStatsManager.queryUsageStats(UsageStatsManager.INTERVAL_BEST,
beginTime, endTime);
}
if (usageStatsList == null || usageStatsList.isEmpty()) return null;
UsageStats recentStats = null;
for (UsageStats usageStats : usageStatsList) {
if (recentStats == null
|| usageStats.getLastTimeUsed() > recentStats.getLastTimeUsed()) {
recentStats = usageStats;
}
}
return recentStats == null ? null : recentStats.getPackageName();
} catch (PackageManager.NameNotFoundException e) {
e.printStackTrace();
}
}
return "";
}
/**
* 获取前台线程包名
* <p>当不是查看当前App,且SDK大于21时,
* 需添加权限 {@code <uses-permission android:name="android.permission.PACKAGE_USAGE_STATS"/>}</p>
*
* @return 前台应用包名
*/
public static String getForegroundProcessName() {
ActivityManager manager = (ActivityManager) Utils.getContext().getSystemService(Context.ACTIVITY_SERVICE);
List<ActivityManager.RunningAppProcessInfo> pInfo = manager.getRunningAppProcesses();
if (pInfo != null && pInfo.size() != 0) {
for (ActivityManager.RunningAppProcessInfo aInfo : pInfo) {
if (aInfo.importance == ActivityManager.RunningAppProcessInfo.IMPORTANCE_FOREGROUND) {
return aInfo.processName;
}
}
}
if (android.os.Build.VERSION.SDK_INT > android.os.Build.VERSION_CODES.LOLLIPOP) {
PackageManager packageManager = Utils.getContext().getPackageManager();
Intent intent = new Intent(Settings.ACTION_USAGE_ACCESS_SETTINGS);
List<ResolveInfo> list = packageManager.queryIntentActivities(intent, PackageManager.MATCH_DEFAULT_ONLY);
System.out.println(list);
if (list.size() > 0) {// 有"有权查看使用权限的应用"选项
try {
ApplicationInfo info = packageManager.getApplicationInfo(Utils.getContext().getPackageName(), 0);
AppOpsManager aom = (AppOpsManager) Utils.getContext().getSystemService(Context.APP_OPS_SERVICE);
if (aom.checkOpNoThrow(AppOpsManager.OPSTR_GET_USAGE_STATS, info.uid, info.packageName) != AppOpsManager.MODE_ALLOWED) {
Utils.getContext().startActivity(intent);
}
if (aom.checkOpNoThrow(AppOpsManager.OPSTR_GET_USAGE_STATS, info.uid, info.packageName) != AppOpsManager.MODE_ALLOWED) {
LogUtils.d("getForegroundApp", "没有打开\"有权查看使用权限的应用\"选项");
return null;
}
UsageStatsManager usageStatsManager = (UsageStatsManager) Utils.getContext().getSystemService(Context.USAGE_STATS_SERVICE);
long endTime = System.currentTimeMillis();
long beginTime = endTime - 86400000 * 7;
List<UsageStats> usageStatses = usageStatsManager.queryUsageStats(UsageStatsManager.INTERVAL_BEST, beginTime, endTime);
if (usageStatses == null || usageStatses.isEmpty()) return null;
UsageStats recentStats = null;
for (UsageStats usageStats : usageStatses) {
if (recentStats == null || usageStats.getLastTimeUsed() > recentStats.getLastTimeUsed()) {
recentStats = usageStats;
}
}
return recentStats == null ? null : recentStats.getPackageName();
} catch (PackageManager.NameNotFoundException e) {
e.printStackTrace();
}
} else {
LogUtils.d("getForegroundApp", "无\"有权查看使用权限的应用\"选项");
}
}
return null;
}
/**
* Return the foreground process name.
* <p>Target APIs greater than 21 must hold
* {@code <uses-permission android:name="android.permission.PACKAGE_USAGE_STATS" />}</p>
*
* @return the foreground process name
*/
public static String getForegroundProcessName() {
ActivityManager am =
(ActivityManager) Utils.getApp().getSystemService(Context.ACTIVITY_SERVICE);
//noinspection ConstantConditions
List<ActivityManager.RunningAppProcessInfo> pInfo = am.getRunningAppProcesses();
if (pInfo != null && pInfo.size() > 0) {
for (ActivityManager.RunningAppProcessInfo aInfo : pInfo) {
if (aInfo.importance
== ActivityManager.RunningAppProcessInfo.IMPORTANCE_FOREGROUND) {
return aInfo.processName;
}
}
}
if (android.os.Build.VERSION.SDK_INT > android.os.Build.VERSION_CODES.LOLLIPOP) {
PackageManager pm = Utils.getApp().getPackageManager();
Intent intent = new Intent(Settings.ACTION_USAGE_ACCESS_SETTINGS);
List<ResolveInfo> list =
pm.queryIntentActivities(intent, PackageManager.MATCH_DEFAULT_ONLY);
Log.i("ProcessUtils", list.toString());
if (list.size() <= 0) {
Log.i("ProcessUtils",
"getForegroundProcessName: noun of access to usage information.");
return "";
}
try {// Access to usage information.
ApplicationInfo info =
pm.getApplicationInfo(Utils.getApp().getPackageName(), 0);
AppOpsManager aom =
(AppOpsManager) Utils.getApp().getSystemService(Context.APP_OPS_SERVICE);
if (aom.checkOpNoThrow(AppOpsManager.OPSTR_GET_USAGE_STATS,
info.uid,
info.packageName) != AppOpsManager.MODE_ALLOWED) {
intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
Utils.getApp().startActivity(intent);
}
if (aom.checkOpNoThrow(AppOpsManager.OPSTR_GET_USAGE_STATS,
info.uid,
info.packageName) != AppOpsManager.MODE_ALLOWED) {
Log.i("ProcessUtils",
"getForegroundProcessName: refuse to device usage stats.");
return "";
}
UsageStatsManager usageStatsManager = (UsageStatsManager) Utils.getApp()
.getSystemService(Context.USAGE_STATS_SERVICE);
List<UsageStats> usageStatsList = null;
if (usageStatsManager != null) {
long endTime = System.currentTimeMillis();
long beginTime = endTime - 86400000 * 7;
usageStatsList = usageStatsManager
.queryUsageStats(UsageStatsManager.INTERVAL_BEST,
beginTime, endTime);
}
if (usageStatsList == null || usageStatsList.isEmpty()) return "";
UsageStats recentStats = null;
for (UsageStats usageStats : usageStatsList) {
if (recentStats == null
|| usageStats.getLastTimeUsed() > recentStats.getLastTimeUsed()) {
recentStats = usageStats;
}
}
return recentStats == null ? null : recentStats.getPackageName();
} catch (PackageManager.NameNotFoundException e) {
e.printStackTrace();
}
}
return "";
}
@Override
public int compare(UsageStats t1, UsageStats t2) {
o1 = t1.getLastTimeUsed();
o2 = t2.getLastTimeUsed();
return o2.compareTo(o1);
}