下面列出了android.app.usage.UsageEvents#hasNextEvent ( ) 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。
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;
}