Java tutorial
/* * Copyright (C) 2014 Timothy Yu * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.ephemeraldreams.gallyshuttle.data; import android.app.Application; import android.content.SharedPreferences; import android.content.res.Resources; import android.preference.PreferenceManager; import com.ephemeraldreams.gallyshuttle.R; import com.ephemeraldreams.gallyshuttle.annotations.qualifiers.AlarmReminderLength; import com.ephemeraldreams.gallyshuttle.annotations.qualifiers.AlarmRingtoneChoice; import com.ephemeraldreams.gallyshuttle.annotations.qualifiers.AlarmVibration; import com.ephemeraldreams.gallyshuttle.annotations.qualifiers.NotificationRingtoneChoice; import com.ephemeraldreams.gallyshuttle.annotations.qualifiers.NotificationVibration; import com.ephemeraldreams.gallyshuttle.annotations.scopes.ApplicationScope; import com.ephemeraldreams.gallyshuttle.api.ApiModule; import com.ephemeraldreams.gallyshuttle.data.preferences.BooleanPreference; import com.ephemeraldreams.gallyshuttle.data.preferences.StringPreference; import com.google.android.gms.analytics.GoogleAnalytics; import com.google.android.gms.analytics.Tracker; import com.squareup.okhttp.Cache; import com.squareup.okhttp.OkHttpClient; import java.io.File; import dagger.Module; import dagger.Provides; /** * A module for data-specific dependencies. */ @Module(includes = ApiModule.class) public class DataModule { public static final int DISK_CACHE_SIZE = 5 * 1024 * 1024; // 5MB public static final String DEFAULT_ALARM_RINGTONE = "content://settings/system/alarm_alert"; public static final String DEFAULT_NOTIFICATION_RINGTONE = "content://settings/system/notification_sound"; public static final boolean DEFAULT_VIBRATION_ENABLED = true; /** * Provide application's resources. * * @param application Application to get resources from. * @return Android resources. */ @Provides @ApplicationScope Resources provideResources(Application application) { return application.getResources(); } /** * Provide application's shared preferences. * * @param application Application to get shared preferences from. * @return Android shared preferences. */ @Provides @ApplicationScope SharedPreferences provideSharedPreferences(Application application) { return PreferenceManager.getDefaultSharedPreferences(application); } /** * Provide reminder length preference. * * @param sharedPreferences Shared preferences to pull preference from. * @param resources Resources to pull preference key id from. * @return Reminder length preference. */ @Provides @ApplicationScope @AlarmReminderLength StringPreference provideReminderLengthPreference(SharedPreferences sharedPreferences, Resources resources) { return new StringPreference(sharedPreferences, resources.getString(R.string.pref_key_alarm_reminder_length), "5"); } /** * Provide alarm ringtone choice preference. * * @param sharedPreferences Shared preferences to pull preference from. * @param resources Resources to pull preference key id from. * @return Alarm ringtone choice preference. */ @Provides @ApplicationScope @AlarmRingtoneChoice StringPreference provideAlarmRingtoneChoicePreference(SharedPreferences sharedPreferences, Resources resources) { return new StringPreference(sharedPreferences, resources.getString(R.string.pref_key_alarm_ringtone), DEFAULT_ALARM_RINGTONE); } /** * Provide notification ringtone choice preference. * * @param sharedPreferences Shared preferences to pull preference from. * @param resources Resources to pull preference key id from. * @return Notification ringtone choice preference. */ @Provides @ApplicationScope @NotificationRingtoneChoice StringPreference provideNotificationRingtoneChoicePreference(SharedPreferences sharedPreferences, Resources resources) { return new StringPreference(sharedPreferences, resources.getString(R.string.pref_key_notification_ringtone), DEFAULT_NOTIFICATION_RINGTONE); } /** * Provide alarm vibration preference. * * @param sharedPreferences Shared preferences to pull preference from. * @param resources Resources to pull preference key id from. * @return Alarm vibration preference. */ @Provides @ApplicationScope @AlarmVibration BooleanPreference provideAlarmVibrationPreference(SharedPreferences sharedPreferences, Resources resources) { return new BooleanPreference(sharedPreferences, resources.getString(R.string.pref_key_alarm_vibrate), DEFAULT_VIBRATION_ENABLED); } /** * Provide notification vibration preference. * * @param sharedPreferences Shared preferences to pull preference from. * @param resources Resources to pull preference key id from. * @return Notification Vibration enabled preference. */ @Provides @ApplicationScope @NotificationVibration BooleanPreference provideNotificationVibrationPreference(SharedPreferences sharedPreferences, Resources resources) { return new BooleanPreference(sharedPreferences, resources.getString(R.string.pref_key_notification_vibrate), DEFAULT_VIBRATION_ENABLED); } /** * Provide a HTTP client. * * @param application Application to get cache directory from. * @return Cached HTTP client. */ @Provides @ApplicationScope OkHttpClient provideOkHttpClient(Application application) { OkHttpClient client = new OkHttpClient(); File cacheDir = new File(application.getCacheDir(), "http"); Cache cache = new Cache(cacheDir, DISK_CACHE_SIZE); client.setCache(cache); return client; } @Provides @ApplicationScope CacheManager provideCacheManager(Application application, OkHttpClient okHttpClient) { return new CacheManager(application, okHttpClient); } /** * Provide Google Analytics. * * @param application Application to initialize. * @return Google Analytics instance. */ @Provides @ApplicationScope GoogleAnalytics provideGoogleAnalytics(Application application) { return GoogleAnalytics.getInstance(application); } /** * Provide an application tracker. * * @param googleAnalytics Google Analytics instance to retrieve tracker from. * @return Application tracker. */ @Provides @ApplicationScope Tracker provideAppTracker(GoogleAnalytics googleAnalytics) { return googleAnalytics.newTracker(R.xml.app_tracker); } }