Java Code Examples for android.app.usage.UsageEvents#hasNextEvent()

public static String getForegroundPackage(UsageStatsManager usageStatsManager) {
    String packageName = null;

    final long INTERVAL = 1000 * 60;
    final long end = System.currentTimeMillis();
    final long begin = end - INTERVAL;
    final UsageEvents usageEvents = usageStatsManager.queryEvents(begin, end);
    while (usageEvents.hasNextEvent()) {
        UsageEvents.Event event = new UsageEvents.Event();
        usageEvents.getNextEvent(event);
        switch (event.getEventType()) {
            case UsageEvents.Event.MOVE_TO_FOREGROUND:
                packageName = event.getPackageName();
                break;
            case UsageEvents.Event.MOVE_TO_BACKGROUND:
                if (event.getPackageName().equals(packageName)) {
                    packageName = null;
                }
        }
    }

    return packageName;
}
 

@SuppressWarnings("ResourceType")
@TargetApi(Build.VERSION_CODES.LOLLIPOP)
public static ArrayList<UsageEvents.Event> getEventList(Context context, long startTime, long endTime){
    ArrayList<UsageEvents.Event> mEventList = new ArrayList<>();

    Log.i(TAG," EventUtils-getEventList()   Range start:" + startTime);
    Log.i(TAG," EventUtils-getEventList()   Range end:" +endTime);
    Log.i(TAG," EventUtils-getEventList()   Range start:" + dateFormat.format(startTime));
    Log.i(TAG," EventUtils-getEventList()   Range end:" + dateFormat.format(endTime));

    UsageStatsManager mUsmManager = (UsageStatsManager) context.getSystemService("usagestats");
    UsageEvents events = mUsmManager.queryEvents(startTime, endTime);

    while (events.hasNextEvent()) {
        UsageEvents.Event e = new UsageEvents.Event();
        events.getNextEvent(e);
        if (e != null && (e.getEventType() == 1 || e.getEventType() == 2)) {
            Log.i(TAG," EventUtils-getEventList()  "+e.getTimeStamp()+"   event:" + e.getClassName() + "   type = " + e.getEventType());
            mEventList.add(e);
        }
    }

    return mEventList;
}
 

@TargetApi(Build.VERSION_CODES.LOLLIPOP)
public String getForegroundApp(final Context context) {
    if(!Utils.hasUsageStatsPermission(context))
        return null;

    String foregroundApp = null;

    UsageStatsManager mUsageStatsManager = (UsageStatsManager) context.getSystemService(Service.USAGE_STATS_SERVICE);
    long time = System.currentTimeMillis();

    UsageEvents usageEvents = mUsageStatsManager.queryEvents(time - 1000 * 3600, time);
    UsageEvents.Event event = new UsageEvents.Event();
    while (usageEvents.hasNextEvent()) {
        usageEvents.getNextEvent(event);
        if(event.getEventType() == UsageEvents.Event.MOVE_TO_FOREGROUND) {
            foregroundApp = event.getPackageName();
        }
    }

    return foregroundApp ;
}
 

@SuppressWarnings("ResourceType")
public static void getStats(Context context){
    UsageStatsManager usm = (UsageStatsManager) context.getSystemService("usagestats");
    int interval = UsageStatsManager.INTERVAL_YEARLY;
    Calendar calendar = Calendar.getInstance();
    long endTime = calendar.getTimeInMillis();
    calendar.add(Calendar.YEAR, -1);
    long startTime = calendar.getTimeInMillis();

    Log.d(TAG, "Range start:" + dateFormat.format(startTime) );
    Log.d(TAG, "Range end:" + dateFormat.format(endTime));

    UsageEvents uEvents = usm.queryEvents(startTime,endTime);
    while (uEvents.hasNextEvent()){
        UsageEvents.Event e = new UsageEvents.Event();
        uEvents.getNextEvent(e);

        if (e != null){
            Log.d(TAG, "Event: " + e.getPackageName() + "\t" +  e.getTimeStamp());
        }
    }
}
 

public static @NonNull BucketInfo getInfo(@NonNull UsageStatsManager usageStatsManager, long overLastDurationMs) {
  StringBuilder stringBuilder = new StringBuilder();

  int currentBucket = usageStatsManager.getAppStandbyBucket();
  int worseBucket   = currentBucket;
  int bestBucket    = currentBucket;

  long              now           = System.currentTimeMillis();
  UsageEvents.Event event         = new UsageEvents.Event();
  UsageEvents       usageEvents   = usageStatsManager.queryEventsForSelf(now - overLastDurationMs, now);

  while (usageEvents.hasNextEvent()) {
    usageEvents.getNextEvent(event);

    if (event.getEventType() == UsageEvents.Event.STANDBY_BUCKET_CHANGED) {
      int appStandbyBucket = event.getAppStandbyBucket();

      stringBuilder.append(new Date(event.getTimeStamp()))
                   .append(": ")
                   .append("Bucket Change: ")
                   .append(bucketToString(appStandbyBucket))
                   .append("\n");

      if (appStandbyBucket > worseBucket) {
        worseBucket = appStandbyBucket;
      }
      if (appStandbyBucket < bestBucket) {
        bestBucket = appStandbyBucket;
      }
    }
  }

  return new BucketInfo(currentBucket, worseBucket, bestBucket, stringBuilder);
}
 

@VisibleForTesting
void filterForegroundApp(Context context,
                         SharedPreferences pref,
                         long searchInterval,
                         List<String> applicationIdsToRemove) {
    if (pref.getBoolean(PREF_HIDE_FOREGROUND, false)) {
        UsageStatsManager mUsageStatsManager =
                (UsageStatsManager) context.getSystemService(Context.USAGE_STATS_SERVICE);
        UsageEvents events =
                mUsageStatsManager.queryEvents(searchInterval, System.currentTimeMillis());
        UsageEvents.Event eventCache = new UsageEvents.Event();
        String currentForegroundApp = null;

        while (events.hasNextEvent()) {
            events.getNextEvent(eventCache);

            if (eventCache.getEventType() == UsageEvents.Event.MOVE_TO_FOREGROUND) {
                if (!(eventCache.getPackageName().contains(BuildConfig.BASE_APPLICATION_ID)
                        && !eventCache.getClassName().equals(MainActivity.class.getCanonicalName())
                        && !eventCache.getClassName().equals(HomeActivity.class.getCanonicalName())
                        && !eventCache.getClassName().equals(HomeActivityDelegate.class.getCanonicalName())
                        && !eventCache.getClassName().equals(SecondaryHomeActivity.class.getCanonicalName())
                        && !eventCache.getClassName().equals(InvisibleActivityFreeform.class.getCanonicalName()))) {
                    currentForegroundApp = eventCache.getPackageName();
                }
            }
        }

        if (!applicationIdsToRemove.contains(currentForegroundApp)) {
            applicationIdsToRemove.add(currentForegroundApp);
        }
    }
}
 

public List<AppItem> getTargetAppTimeline(Context context, String target, int offset) {
    List<AppItem> items = new ArrayList<>();
    UsageStatsManager manager = (UsageStatsManager) context.getSystemService(Context.USAGE_STATS_SERVICE);
    if (manager != null) {

        long[] range = AppUtil.getTimeRange(SortEnum.getSortEnum(offset));
        UsageEvents events = manager.queryEvents(range[0], range[1]);
        UsageEvents.Event event = new UsageEvents.Event();

        AppItem item = new AppItem();
        item.mPackageName = target;
        item.mName = AppUtil.parsePackageName(context.getPackageManager(), target);

        // 缓存
        ClonedEvent prevEndEvent = null;
        long start = 0;

        while (events.hasNextEvent()) {
            events.getNextEvent(event);
            String currentPackage = event.getPackageName();
            int eventType = event.getEventType();
            long eventTime = event.getTimeStamp();
            Log.d("||||------>", currentPackage + " " + target + " " + new SimpleDateFormat("yyyy/MM/dd HH:mm:ss", Locale.getDefault()).format(new Date(eventTime)) + " " + eventType);
            if (currentPackage.equals(target)) { // 本次交互开始
                Log.d("||||||||||>", currentPackage + " " + target + " " + new SimpleDateFormat("yyyy/MM/dd HH:mm:ss", Locale.getDefault()).format(new Date(eventTime)) + " " + eventType);
                // 记录第一次开始时间
                if (eventType == UsageEvents.Event.MOVE_TO_FOREGROUND) {
                    Log.d("********", "start " + start);
                    if (start == 0) {
                        start = eventTime;
                        item.mEventTime = eventTime;
                        item.mEventType = eventType;
                        item.mUsageTime = 0;
                        items.add(item.copy());
                    }
                } else if (eventType == UsageEvents.Event.MOVE_TO_BACKGROUND) { // 结束事件
                    if (start > 0) {
                        prevEndEvent = new ClonedEvent(event);
                    }
                    Log.d("********", "add end " + start);
                }
            } else {
                // 记录最后一次结束事件
                if (prevEndEvent != null && start > 0) {
                    item.mEventTime = prevEndEvent.timeStamp;
                    item.mEventType = prevEndEvent.eventType;
                    item.mUsageTime = prevEndEvent.timeStamp - start;
                    if (item.mUsageTime <= 0) item.mUsageTime = 0;
                    if (item.mUsageTime > AppConst.USAGE_TIME_MIX) item.mCount++;
                    items.add(item.copy());
                    start = 0;
                    prevEndEvent = null;
                }
            }
        }
    }
    return items;
}