Class App

  • All Implemented Interfaces:
    android.content.ComponentCallbacks, android.content.ComponentCallbacks2

    public class App
    extends android.app.Application
    • Nested Class Summary

      • Nested classes/interfaces inherited from class android.app.Application

        android.app.Application.ActivityLifecycleCallbacks, android.app.Application.OnProvideAssistDataListener
    • Field Summary

      Fields 
      Modifier and Type Field Description
      static java.lang.String NOTIFICATION_CHANNEL_ID
      One Notification channel ID that all classes can use.
      static int PERMISSION_CODE_ENABLE_LOCATION_SERVICES  
      static int PERMISSION_CODE_FINE_LOCATION
      Assigned codes for different permissions that other classes can use.
      static int PERMISSION_CODE_READ_PHONE_STATE  
      static java.lang.String TAG
      One common TAG that can be used while printing something to Logcat in other classes during development.
      • Fields inherited from class android.content.Context

        ACCESSIBILITY_SERVICE, ACCOUNT_SERVICE, ACTIVITY_SERVICE, ALARM_SERVICE, APP_OPS_SERVICE, APP_SEARCH_SERVICE, APPWIDGET_SERVICE, AUDIO_SERVICE, BATTERY_SERVICE, BIND_ABOVE_CLIENT, BIND_ADJUST_WITH_ACTIVITY, BIND_ALLOW_OOM_MANAGEMENT, BIND_AUTO_CREATE, BIND_DEBUG_UNBIND, BIND_EXTERNAL_SERVICE, BIND_IMPORTANT, BIND_INCLUDE_CAPABILITIES, BIND_NOT_FOREGROUND, BIND_NOT_PERCEPTIBLE, BIND_WAIVE_PRIORITY, BIOMETRIC_SERVICE, BLOB_STORE_SERVICE, BLUETOOTH_SERVICE, BUGREPORT_SERVICE, CAMERA_SERVICE, CAPTIONING_SERVICE, CARRIER_CONFIG_SERVICE, CLIPBOARD_SERVICE, COMPANION_DEVICE_SERVICE, CONNECTIVITY_DIAGNOSTICS_SERVICE, CONNECTIVITY_SERVICE, CONSUMER_IR_SERVICE, CONTEXT_IGNORE_SECURITY, CONTEXT_INCLUDE_CODE, CONTEXT_RESTRICTED, CROSS_PROFILE_APPS_SERVICE, DEVICE_POLICY_SERVICE, DISPLAY_HASH_SERVICE, DISPLAY_SERVICE, DOMAIN_VERIFICATION_SERVICE, DOWNLOAD_SERVICE, DROPBOX_SERVICE, EUICC_SERVICE, FILE_INTEGRITY_SERVICE, FINGERPRINT_SERVICE, GAME_SERVICE, HARDWARE_PROPERTIES_SERVICE, INPUT_METHOD_SERVICE, INPUT_SERVICE, IPSEC_SERVICE, JOB_SCHEDULER_SERVICE, KEYGUARD_SERVICE, LAUNCHER_APPS_SERVICE, LAYOUT_INFLATER_SERVICE, LOCATION_SERVICE, MEDIA_COMMUNICATION_SERVICE, MEDIA_METRICS_SERVICE, MEDIA_PROJECTION_SERVICE, MEDIA_ROUTER_SERVICE, MEDIA_SESSION_SERVICE, MIDI_SERVICE, MODE_APPEND, MODE_ENABLE_WRITE_AHEAD_LOGGING, MODE_MULTI_PROCESS, MODE_NO_LOCALIZED_COLLATORS, MODE_PRIVATE, MODE_WORLD_READABLE, MODE_WORLD_WRITEABLE, NETWORK_STATS_SERVICE, NFC_SERVICE, NOTIFICATION_SERVICE, NSD_SERVICE, PEOPLE_SERVICE, PERFORMANCE_HINT_SERVICE, POWER_SERVICE, PRINT_SERVICE, RECEIVER_VISIBLE_TO_INSTANT_APPS, RESTRICTIONS_SERVICE, ROLE_SERVICE, SEARCH_SERVICE, SENSOR_SERVICE, SHORTCUT_SERVICE, STORAGE_SERVICE, STORAGE_STATS_SERVICE, SYSTEM_HEALTH_SERVICE, TELECOM_SERVICE, TELEPHONY_IMS_SERVICE, TELEPHONY_SERVICE, TELEPHONY_SUBSCRIPTION_SERVICE, TEXT_CLASSIFICATION_SERVICE, TEXT_SERVICES_MANAGER_SERVICE, TV_INPUT_SERVICE, UI_MODE_SERVICE, USAGE_STATS_SERVICE, USB_SERVICE, USER_SERVICE, VIBRATOR_MANAGER_SERVICE, VIBRATOR_SERVICE, VPN_MANAGEMENT_SERVICE, WALLPAPER_SERVICE, WIFI_AWARE_SERVICE, WIFI_P2P_SERVICE, WIFI_RTT_RANGING_SERVICE, WIFI_SERVICE, WINDOW_SERVICE
      • Fields inherited from interface android.content.ComponentCallbacks2

        TRIM_MEMORY_BACKGROUND, TRIM_MEMORY_COMPLETE, TRIM_MEMORY_MODERATE, TRIM_MEMORY_RUNNING_CRITICAL, TRIM_MEMORY_RUNNING_LOW, TRIM_MEMORY_RUNNING_MODERATE, TRIM_MEMORY_UI_HIDDEN
    • Constructor Summary

      Constructors 
      Constructor Description
      App()  
    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      void onCreate()  
      • Methods inherited from class android.app.Application

        getProcessName, onConfigurationChanged, onLowMemory, onTerminate, onTrimMemory, registerActivityLifecycleCallbacks, registerComponentCallbacks, registerOnProvideAssistDataListener, unregisterActivityLifecycleCallbacks, unregisterComponentCallbacks, unregisterOnProvideAssistDataListener
      • Methods inherited from class android.content.ContextWrapper

        attachBaseContext, bindIsolatedService, bindService, bindService, bindServiceAsUser, checkCallingOrSelfPermission, checkCallingOrSelfUriPermission, checkCallingOrSelfUriPermissions, checkCallingPermission, checkCallingUriPermission, checkCallingUriPermissions, checkPermission, checkSelfPermission, checkUriPermission, checkUriPermission, checkUriPermissions, clearWallpaper, createAttributionContext, createConfigurationContext, createContext, createContextForSplit, createDeviceProtectedStorageContext, createDisplayContext, createPackageContext, createWindowContext, createWindowContext, databaseList, deleteDatabase, deleteFile, deleteSharedPreferences, enforceCallingOrSelfPermission, enforceCallingOrSelfUriPermission, enforceCallingPermission, enforceCallingUriPermission, enforcePermission, enforceUriPermission, enforceUriPermission, fileList, getApplicationContext, getApplicationInfo, getAssets, getAttributionSource, getAttributionTag, getBaseContext, getCacheDir, getClassLoader, getCodeCacheDir, getContentResolver, getDatabasePath, getDataDir, getDir, getDisplay, getExternalCacheDir, getExternalCacheDirs, getExternalFilesDir, getExternalFilesDirs, getExternalMediaDirs, getFilesDir, getFileStreamPath, getMainExecutor, getMainLooper, getNoBackupFilesDir, getObbDir, getObbDirs, getOpPackageName, getPackageCodePath, getPackageManager, getPackageName, getPackageResourcePath, getParams, getResources, getSharedPreferences, getSystemService, getSystemServiceName, getTheme, getWallpaper, getWallpaperDesiredMinimumHeight, getWallpaperDesiredMinimumWidth, grantUriPermission, isDeviceProtectedStorage, isRestricted, isUiContext, moveDatabaseFrom, moveSharedPreferencesFrom, openFileInput, openFileOutput, openOrCreateDatabase, openOrCreateDatabase, peekWallpaper, registerReceiver, registerReceiver, registerReceiver, registerReceiver, removeStickyBroadcast, removeStickyBroadcastAsUser, revokeUriPermission, revokeUriPermission, sendBroadcast, sendBroadcast, sendBroadcastAsUser, sendBroadcastAsUser, sendOrderedBroadcast, sendOrderedBroadcast, sendOrderedBroadcast, sendOrderedBroadcast, sendOrderedBroadcastAsUser, sendStickyBroadcast, sendStickyBroadcast, sendStickyBroadcastAsUser, sendStickyOrderedBroadcast, sendStickyOrderedBroadcastAsUser, setTheme, setWallpaper, setWallpaper, startActivities, startActivities, startActivity, startActivity, startForegroundService, startInstrumentation, startIntentSender, startIntentSender, startService, stopService, unbindService, unregisterReceiver, updateServiceGroup
      • Methods inherited from class android.content.Context

        getColor, getColorStateList, getDrawable, getString, getString, getSystemService, getText, obtainStyledAttributes, obtainStyledAttributes, obtainStyledAttributes, obtainStyledAttributes, sendBroadcastWithMultiplePermissions
      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
    • Field Detail

      • TAG

        public static final java.lang.String TAG
        One common TAG that can be used while printing something to Logcat in other classes during development.
        See Also:
        Constant Field Values
      • NOTIFICATION_CHANNEL_ID

        public static final java.lang.String NOTIFICATION_CHANNEL_ID
        One Notification channel ID that all classes can use.
        See Also:
        Constant Field Values
      • PERMISSION_CODE_FINE_LOCATION

        public static final int PERMISSION_CODE_FINE_LOCATION
        Assigned codes for different permissions that other classes can use.
        See Also:
        Constant Field Values
      • PERMISSION_CODE_READ_PHONE_STATE

        public static final int PERMISSION_CODE_READ_PHONE_STATE
        See Also:
        Constant Field Values
      • PERMISSION_CODE_ENABLE_LOCATION_SERVICES

        public static final int PERMISSION_CODE_ENABLE_LOCATION_SERVICES
        See Also:
        Constant Field Values
    • Constructor Detail

      • App

        public App()
    • Method Detail

      • onCreate

        public void onCreate()
        Overrides:
        onCreate in class android.app.Application