android.app.usage.UsageStats#getPackageName ( )源码实例Demo

@TargetApi(Build.VERSION_CODES.LOLLIPOP_MR1)
private List<AppEntry> getAppEntriesUsingUsageStats() {
    UsageStatsManager mUsageStatsManager = (UsageStatsManager) context.getSystemService(Context.USAGE_STATS_SERVICE);
    List<UsageStats> usageStatsList = mUsageStatsManager.queryUsageStats(UsageStatsManager.INTERVAL_BEST, searchInterval, System.currentTimeMillis());
    List<AppEntry> entries = new ArrayList<>();

    for(UsageStats usageStats : usageStatsList) {
        AppEntry newEntry = new AppEntry(
                usageStats.getPackageName(),
                null,
                null,
                null,
                false
        );

        newEntry.setTotalTimeInForeground(usageStats.getTotalTimeInForeground());
        newEntry.setLastTimeUsed(usageStats.getLastTimeUsed());
        entries.add(newEntry);
    }

    return entries;
}
 

@TargetApi(Build.VERSION_CODES.LOLLIPOP_MR1)
private String getTopActivityAfterLM() {
    try {
        UsageStatsManager usageStatsManager = (UsageStatsManager) getSystemService(Context.USAGE_STATS_SERVICE);
        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) {
            return null;
        }
        long recentTime = 0;
        String recentPkg = "";
        for (int i = 0; i < queryUsageStats.size(); i++) {
            UsageStats stats = queryUsageStats.get(i);
            if (stats.getLastTimeStamp() > recentTime) {
                recentTime = stats.getLastTimeStamp();
                recentPkg = stats.getPackageName();
            }
        }
        return recentPkg;
    } catch (Exception e) {
        e.printStackTrace();
    }
    return "";
}
 

@Deprecated
@TargetApi(Build.VERSION_CODES.LOLLIPOP)
public List<AppEntity> getRecentAppInfo(){
    List<UsageStats> usageStatsList = getUsageStatsList();
    List<AppEntity> list = new ArrayList<>();
    for (UsageStats u : usageStatsList){
        String packageName = u.getPackageName();
        ApplicationInfo applicationInfo = getAppInfo(packageName);
        //system app will not appear recent list
        //if(isSystemApp(packageName))continue;
        if (isShowSelf(packageName)) continue;
        AppEntity entity = DataHelper.getAppByPackageName(packageName);
        if (entity == null)continue;
        list.add (entity);
    }
    return list;
}
 

/**
 * {@inheritDoc}
 */
@Nullable
public String getRunningTasksTop(@NonNull Context context) {
    try {
        UsageStats usageStats = getUsageStatsTop(context);
        return usageStats != null ? usageStats.getPackageName() : null;
    } catch (SecurityException e) {
        Log.e(TAG, "Failed to get usage stats! Permissions denied!");
        e.printStackTrace();
    }
    return null;
}
 

@TargetApi(21)
    public static LollipopTaskInfo parseUsageStats(List<UsageStats> stats, LollipopTaskInfo lollipopTaskInfo) {
        UsageStats aRunner = stats.get(0);
        UsageStats bRunner = null;

        if (lollipopTaskInfo == null) {
            // setup new lollipopTaskInfo object!

            lollipopTaskInfo = new Tools.LollipopTaskInfo(aRunner.getPackageName());
        } else if (lollipopTaskInfo.packageName.equals(aRunner.getPackageName())) {
//            Tools.HangarLog("Last package same as current top, skipping! [" + lollipopTaskInfo.packageName + "]");
            return lollipopTaskInfo;
        }

        // TODO change this to keep track of all usagestats and compare timeinFg deltas
        // Will need to refactor buildTasks to manage bulk time change to db as well as
        // new runningTask.

        for (UsageStats s : stats) {
            if (s.getPackageName().equals(lollipopTaskInfo.packageName)) {
                bRunner = s;
            }
        }

        lollipopTaskInfo.lastPackageName = lollipopTaskInfo.packageName;
        lollipopTaskInfo.packageName = aRunner.getPackageName();
        if (bRunner == null) {
            Tools.HangarLog("Couldn't find previous task [" + lollipopTaskInfo.packageName + "]");
        } else {
            lollipopTaskInfo.timeInFGDelta = (lollipopTaskInfo.timeInFG > 0) ? bRunner.getTotalTimeInForeground() - lollipopTaskInfo.timeInFG : 0;
        }
        lollipopTaskInfo.timeInFG = aRunner.getTotalTimeInForeground();

        Tools.HangarLog("New [" + lollipopTaskInfo.packageName + "] old [" + lollipopTaskInfo.lastPackageName + "] old FG delta: " + lollipopTaskInfo.timeInFGDelta);

        return lollipopTaskInfo;
    }
 

@TargetApi(21)
protected void buildLBaseTasks() {
    Context context = getApplicationContext();
    List<UsageStats> stats = Tools.getUsageStats(context);

    for (UsageStats task : stats) {
        String taskPackage = task.getPackageName();
        String taskClass = getClassName(context, taskPackage);
        Tools.HangarLog("buildLBaseTask: package: " + taskPackage + " class: " + taskClass);
        buildTaskInfo(taskClass, taskPackage);
    }
}
 

/**
 * Returns a list of CacheQuotaHints which do not have their quotas filled out for apps
 * which have been used in the last year.
 */
private List<CacheQuotaHint> getUnfulfilledRequests() {
    long timeNow = System.currentTimeMillis();
    long oneYearAgo = timeNow - DateUtils.YEAR_IN_MILLIS;

    List<CacheQuotaHint> requests = new ArrayList<>();
    UserManager um = mContext.getSystemService(UserManager.class);
    final List<UserInfo> users = um.getUsers();
    final int userCount = users.size();
    final PackageManager packageManager = mContext.getPackageManager();
    for (int i = 0; i < userCount; i++) {
        UserInfo info = users.get(i);
        List<UsageStats> stats =
                mUsageStats.queryUsageStatsForUser(info.id, UsageStatsManager.INTERVAL_BEST,
                        oneYearAgo, timeNow, /*obfuscateInstantApps=*/ false);
        if (stats == null) {
            continue;
        }

        for (UsageStats stat : stats) {
            String packageName = stat.getPackageName();
            try {
                // We need the app info to determine the uid and the uuid of the volume
                // where the app is installed.
                ApplicationInfo appInfo = packageManager.getApplicationInfoAsUser(
                        packageName, 0, info.id);
                requests.add(
                        new CacheQuotaHint.Builder()
                                .setVolumeUuid(appInfo.volumeUuid)
                                .setUid(appInfo.uid)
                                .setUsageStats(stat)
                                .setQuota(CacheQuotaHint.QUOTA_NOT_SET)
                                .build());
            } catch (PackageManager.NameNotFoundException e) {
                // This may happen if an app has a recorded usage, but has been uninstalled.
                continue;
            }
        }
    }
    return requests;
}
 

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 "";
}
 

@TargetApi(21)
private List<Task> getRunningTasksNougat() {
    final List<Task> tasks = new ArrayList<>();

    AppOpsManager appOps = (AppOpsManager) mContext.getSystemService(Context.APP_OPS_SERVICE);
    int mode = appOps.checkOpNoThrow(
            "android:get_usage_stats",
            Process.myUid(), mContext.getPackageName()
    );
    boolean granted = mode == AppOpsManager.MODE_ALLOWED;

    if (!granted) return tasks;

    final List<UsageStats> list = UStats.getUsageStatsList(mContext);

    for (UsageStats stats : list) {
        String packageName = stats.getPackageName();
        /* Exclude the app itself from the list */
        if (packageName.equals(BuildConfig.APPLICATION_ID)) continue;

        PackageInfo packageInfo = getPackageInfo(packageName, 0);

        if (packageInfo == null) continue;

        /** Remove system apps if necessary */
        if (isSystemApp(packageInfo) && SettingsUtils.isSystemAppsHidden(mContext)) {
            continue;
        }

        /** Remove apps without label */
        String appLabel = packageInfo.applicationInfo.loadLabel(mPackageManager).toString();
        if (appLabel.isEmpty()) continue;

        int uid = packageInfo.applicationInfo.uid;
        Task task = getTaskByUid(tasks, uid);

        if (task == null) {
            task = new Task(uid, packageInfo.applicationInfo.processName);
            task.setPackageInfo(packageInfo);
            task.setLabel(appLabel);
            task.setIsAutoStart(isAutoStartApp(packageName));
            task.setHasBackgroundService(hasBackgroundServices(packageName));
            tasks.add(task);
        }
    }

    // Dirty quick sorting
    Collections.sort(tasks, new Comparator<Task>() {
        @Override
        public int compare(Task t1, Task t2) {
            return t1.getLabel().compareTo(t2.getLabel());
        }
    });

    return tasks;
}