Java Constraint类代码示例

import com.firebase.jobdispatcher.Constraint; //导入依赖的package包/类
private static boolean scheduleJob(Context context) {
    FirebaseJobDispatcher dispatcher = getDispatcher(context);
    Job job = dispatcher.newJobBuilder()
            .setService(UploadService.class)
            .setTag(context.getPackageName() + ".uploadqueue")
            .setConstraints(Constraint.ON_ANY_NETWORK)
            .setTrigger(Trigger.NOW)
            .setLifetime(Lifetime.FOREVER)
            .setRecurring(false)
            .setReplaceCurrent(true)
            .build();
    int result = dispatcher.schedule(job);
    if (result == FirebaseJobDispatcher.SCHEDULE_RESULT_SUCCESS) {
        Logger.v("Job scheduled");
        return true;
    } else {
        Logger.v("Job not scheduled");
        return false;
    }
}
 

import com.firebase.jobdispatcher.Constraint; //导入依赖的package包/类
synchronized public static void syncImmediately(Context context, String tag) {
    Timber.d("Scheduling a immediate sync");

    FirebaseJobDispatcher dispatcher = new FirebaseJobDispatcher(new GooglePlayDriver
            (context));

    Bundle bundle = new Bundle();
    Job myJob = dispatcher.newJobBuilder()
            .setService(QuoteJobService.class)
            .setTag(tag)
            .setExtras(bundle)
            .setRecurring(false)
            .setTrigger(Trigger.executionWindow(0, 0))
            .setLifetime(Lifetime.UNTIL_NEXT_BOOT)
            .setConstraints(Constraint.ON_ANY_NETWORK)
            .setRetryStrategy(RetryStrategy.DEFAULT_EXPONENTIAL)
            .setReplaceCurrent(true)
            .build();

    dispatcher.mustSchedule(myJob);

}
 

import com.firebase.jobdispatcher.Constraint; //导入依赖的package包/类
@SuppressLint("ApplySharedPref")
private void onSetupComplete() {
    //download whole leaderboards data asynchronously
    new FetchLeaderBoardDataAsync(this).execute();

    //schedule daily sync at 3:00 am local time
    FirebaseJobDispatcher dispatcher = new FirebaseJobDispatcher(new GooglePlayDriver(this));

    DateTime now = new DateTime();
    DateTime tomorrow = now.plusDays(1).withTimeAtStartOfDay().plusHours(3);
    int windowStart = Hours.hoursBetween(now, tomorrow).getHours() * 60 * 60;
    Job synJob = dispatcher.newJobBuilder()
            .setService(SyncScheduler.class)
            .setTag(Constants.PERIODIC_SYNC_SCHEDULE_KEY)
            .setReplaceCurrent(true)
            .setTrigger(Trigger.executionWindow(windowStart, windowStart + 10))
            .setConstraints(Constraint.ON_ANY_NETWORK)
            .setRetryStrategy(RetryStrategy.DEFAULT_LINEAR)
            .build();
    dispatcher.mustSchedule(synJob);

    sharedPreferences.edit().putBoolean(Constants.PREF_FIREBASE_SETUP, true).commit();
    startActivity(new Intent(this, PreChecksActivity.class));
    finish();
}
 

import com.firebase.jobdispatcher.Constraint; //导入依赖的package包/类
static void scheduleFirebaseJobDispatcherSync(@NonNull final Context context) {

        Driver driver = new GooglePlayDriver(context);
        FirebaseJobDispatcher dispatcher = new FirebaseJobDispatcher(driver);

        /* Create the Job to periodically sync Sunshine */
        Job syncSunshineJob = dispatcher.newJobBuilder()
                .setService(NewsFirebaseJobService.class)
                .setTag(NEWS_SYNC_TAG)
                .setConstraints(Constraint.ON_ANY_NETWORK)
                .setLifetime(Lifetime.FOREVER)
                .setRecurring(true)
                .setTrigger(Trigger.executionWindow(
                        REMINDER_INTERVAL_SECONDS,
                        REMINDER_INTERVAL_SECONDS + SYNC_FLEXTIME_SECONDS))
                .setReplaceCurrent(true)
                .build();

        dispatcher.schedule(syncSunshineJob);
    }
 

import com.firebase.jobdispatcher.Constraint; //导入依赖的package包/类
public static void scheduleJob(Context context, Message message) {

        try {
            Bundle bundle = new Bundle();
            FirebaseJobDispatcher dispatcher = new FirebaseJobDispatcher(new GooglePlayDriver(context));
            bundle.putString(MobiComKitConstants.AL_MESSAGE_KEY, message.getKeyString());
            Class pushNotificationJobServiceClass = Class.forName("com.applozic.mobicomkit.uiwidgets.notification.PushNotificationJobService");
            Job myJob = dispatcher.newJobBuilder()
                    .setService(pushNotificationJobServiceClass) // the JobService that will be called
                    .setTag(MobiComKitConstants.PUSH_NOTIFICATION_DISPATCHER)  // uniquely identifies the job
                    .setRecurring(false)
                    .setTrigger(Trigger.executionWindow(0, 0))
                    .setReplaceCurrent(true)
                    .setRetryStrategy(RetryStrategy.DEFAULT_LINEAR)
                    .setConstraints(Constraint.ON_ANY_NETWORK)
                    .setExtras(bundle)
                    .build();
            dispatcher.mustSchedule(myJob);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
 

import com.firebase.jobdispatcher.Constraint; //导入依赖的package包/类
@Override
public void scheduleImageService(FirebaseJobDispatcher dispatcher) {

    dispatcher
            .newJobBuilder()
            .setService(DownloadImageService.class)
            .setTag(Configuration.JOB_ID_DOWNLOAD_IMAGE_SERVICE)
            .setRecurring(false)
            .setLifetime(Lifetime.FOREVER)
            .setTrigger(Trigger.executionWindow(0, 3600))
            .setReplaceCurrent(true)
            .setRetryStrategy(RetryStrategy.DEFAULT_LINEAR)
            .setConstraints(
                    Constraint.ON_UNMETERED_NETWORK,
                    Constraint.DEVICE_CHARGING
            )
            .build();

}
 

import com.firebase.jobdispatcher.Constraint; //导入依赖的package包/类
public void queuePostCore(@NonNull FirebaseJobDispatcher dispatcher, @NonNull PostRequest postRequest) {
    Bundle extras = new Bundle(2);
    extras.putString(GenericJobService.JOB_TYPE, GenericJobService.POST);
    extras.putParcelable(GenericJobService.PAYLOAD, postRequest);
    dispatcher.mustSchedule(dispatcher.newJobBuilder()
            .setService(GenericJobService.class)
            .setTag(GenericJobService.POST)
            .setRecurring(false)
            .setLifetime(Lifetime.UNTIL_NEXT_BOOT)
            .setTrigger(Trigger.executionWindow(0, 60))
            .setReplaceCurrent(false)
            .setRetryStrategy(RetryStrategy.DEFAULT_EXPONENTIAL)
            .setConstraints(Constraint.ON_ANY_NETWORK, Constraint.DEVICE_CHARGING)
            .setExtras(extras)
            .build());
    Log.d("FBJD", postRequest.getMethod() + " request is queued successfully!");
}
 

import com.firebase.jobdispatcher.Constraint; //导入依赖的package包/类
public void queueFileIOCore(@NonNull FirebaseJobDispatcher dispatcher, boolean isDownload,
                            @NonNull FileIORequest fileIORequest) {
    Bundle extras = new Bundle(2);
    extras.putString(GenericJobService.JOB_TYPE, isDownload ?
            GenericJobService.DOWNLOAD_FILE : GenericJobService.UPLOAD_FILE);
    extras.putParcelable(GenericJobService.PAYLOAD, fileIORequest);
    dispatcher.mustSchedule(dispatcher.newJobBuilder()
            .setService(GenericJobService.class)
            .setTag(isDownload ? GenericJobService.DOWNLOAD_FILE : GenericJobService.UPLOAD_FILE)
            .setRecurring(false)
            .setLifetime(Lifetime.FOREVER)
            .setReplaceCurrent(false)
            .setRetryStrategy(RetryStrategy.DEFAULT_EXPONENTIAL)
            .setConstraints(fileIORequest.onWifi() ? Constraint.ON_UNMETERED_NETWORK : Constraint.ON_ANY_NETWORK,
                    fileIORequest.isWhileCharging() ? Constraint.DEVICE_CHARGING : 0)
            .setExtras(extras)
            .build());
    Log.d("FBJD", String.format("%s file request is queued successfully!", isDownload ?
            "Download" : "Upload"));
}
 

import com.firebase.jobdispatcher.Constraint; //导入依赖的package包/类
public static void schedulePeriodic(Context context, String tag, int period) {
    Timber.d("Scheduling a periodic sync every " + period + " seconds");

    FirebaseJobDispatcher dispatcher = new FirebaseJobDispatcher(new GooglePlayDriver(context));

    Job myJob = dispatcher.newJobBuilder()
            .setService(QuoteJobService.class)
            .setTag(tag)
            .setRecurring(true)
            .setTrigger(Trigger.executionWindow(period, period))
            .setLifetime(Lifetime.UNTIL_NEXT_BOOT)
            .setConstraints(Constraint.ON_ANY_NETWORK)
            .setRetryStrategy(RetryStrategy.DEFAULT_EXPONENTIAL)
            .setReplaceCurrent(true)
            .build();

    dispatcher.mustSchedule(myJob);
}
 

import com.firebase.jobdispatcher.Constraint; //导入依赖的package包/类
public static void startSignInSocial(Context context, Bundle bundle){
    FirebaseJobDispatcher dispatcher = new FirebaseJobDispatcher(new GooglePlayDriver(context));

    Job myJob = dispatcher.newJobBuilder()
            // the JobService that will be called
            .setService(SessionJobService.class)
            // uniquely identifies the job
            .setTag(SIGN_IN_SOCIAL_ACTION)
            // one-off job
            .setRecurring(false)
            // start between 0 and 60 seconds from now
            .setTrigger(Trigger.executionWindow(0, 60))
            // don't overwrite an existing job with the same tag
            .setReplaceCurrent(false)
            // constraints that need to be satisfied for the job to run
            .setConstraints(
                    // only run on an unmetered network
                    Constraint.ON_UNMETERED_NETWORK
            )
            .setExtras(bundle)
            .build();

    dispatcher.mustSchedule(myJob);
}
 

import com.firebase.jobdispatcher.Constraint; //导入依赖的package包/类
@Override
public boolean onStartJob(JobParameters job) {

    FirebaseJobDispatcher dispatcher = new FirebaseJobDispatcher(new GooglePlayDriver(this));

    /* Schedule the job once now*/
    Job oneTimeJob = dispatcher.newJobBuilder()
            .setService(WakatimeDataSyncJob.class)
            .setTag("OneTimeJob")
            .setTrigger(Trigger.executionWindow(0, 60))
            .setRetryStrategy(RetryStrategy.DEFAULT_LINEAR)
            .build();
    dispatcher.mustSchedule(oneTimeJob);

    /* Schedule a recurring job everyday */
    Job synJob = dispatcher.newJobBuilder()
            .setService(WakatimeDataSyncJob.class)
            .setTag(Constants.WAKATIME_DATA_SYNC_JOB_TAG)
            .setReplaceCurrent(true)
            .setRecurring(true)
            .setTrigger(Trigger.executionWindow(Constants.SYNC_PERIOD, Constants.SYNC_TOLERANCE))
            .setConstraints(Constraint.ON_ANY_NETWORK)
            .setRetryStrategy(RetryStrategy.DEFAULT_LINEAR)
            .build();
    dispatcher.mustSchedule(synJob);
    return false;
}
 

import com.firebase.jobdispatcher.Constraint; //导入依赖的package包/类
synchronized public static void scheduleUpdateProgressReminder(@NonNull final Context context) {
    if (sInitialized) {
        return;
    }
    Calendar calendar = Calendar.getInstance();
    calendar.setTimeInMillis(System.currentTimeMillis());
    calendar.set(Calendar.HOUR_OF_DAY, 23);
    calendar.set(Calendar.MINUTE, 59);
    calendar.set(Calendar.SECOND, 59);
    calendar.add(Calendar.MINUTE, 3);
    //could have done add(Calender.Date,1). I have trust issues
    Intent intentAlarm = new Intent(context, UpdateDayAlarmReciever.class);
    AlarmManager alarmManager = (AlarmManager) context.getSystemService(Context.ALARM_SERVICE);
    alarmManager.setInexactRepeating(AlarmManager.RTC_WAKEUP, calendar.getTimeInMillis(), AlarmManager.INTERVAL_DAY, PendingIntent.getBroadcast(context, 1, intentAlarm, PendingIntent.FLAG_CANCEL_CURRENT));

    Driver driver = new GooglePlayDriver(context);
    FirebaseJobDispatcher dispatcher = new FirebaseJobDispatcher(driver);

    Job constraintReminderJob = dispatcher.newJobBuilder()
            .setService(UpdateProgressFirebaseJobService.class)
            .setTag(UPDATE_PROGRESS_JOB_TAG)
            .setLifetime(Lifetime.FOREVER)
            .setRecurring(true)
            .setTrigger(Trigger.executionWindow(
                    0,
                    UPDATE_INTERVAL_SECONDS))
            .setReplaceCurrent(true)
            .setConstraints(Constraint.ON_ANY_NETWORK)
            .build();
    /* Schedule the Job with the dispatcher */
    dispatcher.schedule(constraintReminderJob);
    /* The job has been initialized */
    sInitialized = true;
}
 

import com.firebase.jobdispatcher.Constraint; //导入依赖的package包/类
static void scheduleJob(Context context, String tag) {
    FirebaseJobDispatcher dispatcher = new FirebaseJobDispatcher(new GooglePlayDriver(context));
    dispatcher.cancel(tag);

    Job myJob = dispatcher.newJobBuilder()
            .setService(SyncJobService.class) // the JobService that will be called
            .setTag(tag)        // uniquely identifies the job
            .setRecurring(false)
            .setLifetime(Lifetime.FOREVER)
            .setTrigger(Trigger.NOW)
            .setConstraints(Constraint.ON_ANY_NETWORK)
            .build();

    dispatcher.mustSchedule(myJob);
}
 

import com.firebase.jobdispatcher.Constraint; //导入依赖的package包/类
synchronized public static void scheduleChargingReminder(@NonNull final Context context) {

        // COMPLETED (17) If the job has already been initialized, return
        if (sInitialized) return;

        // COMPLETED (18) Create a new GooglePlayDriver
        Driver driver = new GooglePlayDriver(context);
        // COMPLETED (19) Create a new FirebaseJobDispatcher with the driver
        FirebaseJobDispatcher dispatcher = new FirebaseJobDispatcher(driver);

        // COMPLETED (20) Use FirebaseJobDispatcher's newJobBuilder method to build a job which:
        // - has WaterReminderFirebaseJobService as it's service
        // - has the tag REMINDER_JOB_TAG
        // - only triggers if the device is charging
        // - has the lifetime of the job as forever
        // - has the job recur
        // - occurs every 15 minutes with a window of 15 minutes. You can do this using a
        //   setTrigger, passing in a Trigger.executionWindow
        // - replaces the current job if it's already running
        // Finally, you should build the job.
        Job constraintReminderJob = dispatcher.newJobBuilder()
                .setService(WaterReminderFirebaseJobService.class)
                .setTag(REMINDER_JOB_TAG)
                .setConstraints(Constraint.DEVICE_CHARGING)
                .setLifetime(Lifetime.FOREVER)
                .setRecurring(true)
                .setTrigger(Trigger.executionWindow(
                        REMINDER_INTERVAL_SECONDS,
                        REMINDER_INTERVAL_SECONDS + SYNC_FLEXTIME_SECONDS))
                .setReplaceCurrent(true)
                .build();

        // COMPLETED (21) Use dispatcher's schedule method to schedule the job
        dispatcher.schedule(constraintReminderJob);

        // COMPLETED (22) Set sInitialized to true to mark that we're done setting up the job
        sInitialized = true;
    }
 

import com.firebase.jobdispatcher.Constraint; //导入依赖的package包/类
@Override
protected Job createJob(FirebaseJobDispatcher dispatcher) {
    return dispatcher.newJobBuilder()
            .setLifetime(Lifetime.FOREVER)
            .setService(SyncService.class)
            .setTag(UNIQUE_TAG)
            .setRecurring(true)
            .setTrigger(Trigger.executionWindow(DEFAULT_INTERVAL_START, DEFAULT_INTERVAL_END))
            .setConstraints(Constraint.ON_ANY_NETWORK)
            .setReplaceCurrent(false)
            .setRetryStrategy(RetryStrategy.DEFAULT_EXPONENTIAL)
            .build();
}