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'''
Module of Android API for plyer.notification.
.. versionadded:: 1.0.0
.. versionchanged:: 1.4.0
Fixed notifications not displaying due to missing NotificationChannel
required by Android Oreo 8.0+ (API 26+).
.. versionchanged:: 1.4.0
Added simple toaster notification.
.. versionchanged:: 1.4.0
Fixed notifications not displaying big icons properly.
Added option for custom big icon via `icon`.
'''
from android import python_act
from android.runnable import run_on_ui_thread
from jnius import autoclass, cast
from plyer.facades import Notification
from plyer.platforms.android import activity, SDK_INT
AndroidString = autoclass('java.lang.String')
Context = autoclass('android.content.Context')
NotificationBuilder = autoclass('android.app.Notification$Builder')
NotificationManager = autoclass('android.app.NotificationManager')
PendingIntent = autoclass('android.app.PendingIntent')
Intent = autoclass('android.content.Intent')
Toast = autoclass('android.widget.Toast')
BitmapFactory = autoclass('android.graphics.BitmapFactory')
class AndroidNotification(Notification):
'''
Implementation of Android notification API.
.. versionadded:: 1.0.0
'''
def __init__(self):
package_name = activity.getPackageName()
self._ns = None
self._channel_id = package_name
pm = activity.getPackageManager()
info = pm.getActivityInfo(activity.getComponentName(), 0)
if info.icon == 0:
# Take the application icon instead.
info = pm.getApplicationInfo(package_name, 0)
self._app_icon = info.icon
def _get_notification_service(self):
if not self._ns:
self._ns = cast(NotificationManager, activity.getSystemService(
Context.NOTIFICATION_SERVICE
))
return self._ns
def _build_notification_channel(self, name):
'''
Create a NotificationChannel using channel id of the application
package name (com.xyz, org.xyz, ...) and channel name same as the
provided notification title if the API is high enough, otherwise
do nothing.
.. versionadded:: 1.4.0
'''
if SDK_INT < 26:
return
channel = autoclass('android.app.NotificationChannel')
app_channel = channel(
self._channel_id, name, NotificationManager.IMPORTANCE_DEFAULT
)
self._get_notification_service().createNotificationChannel(
app_channel
)
return app_channel
@run_on_ui_thread
def _toast(self, message):
'''
Display a popup-like small notification at the bottom of the screen.
.. versionadded:: 1.4.0
'''
Toast.makeText(
activity,
cast('java.lang.CharSequence', AndroidString(message)),
Toast.LENGTH_LONG
).show()
def _set_icons(self, notification, icon=None):
'''
Set the small application icon displayed at the top panel together with
WiFi, battery percentage and time and the big optional icon (preferably
PNG format with transparent parts) displayed directly in the
notification body.
.. versionadded:: 1.4.0
'''
app_icon = self._app_icon
notification.setSmallIcon(app_icon)
bitmap_icon = app_icon
if icon is not None:
bitmap_icon = BitmapFactory.decodeFile(icon)
notification.setLargeIcon(bitmap_icon)
elif icon == '':
# we don't want the big icon set,
# only the small one in the top panel
pass
else:
bitmap_icon = BitmapFactory.decodeResource(
python_act.getResources(), app_icon
)
notification.setLargeIcon(bitmap_icon)
def _build_notification(self, title):
'''
.. versionadded:: 1.4.0
'''
if SDK_INT < 26:
noti = NotificationBuilder(activity)
else:
self._channel = self._build_notification_channel(title)
noti = NotificationBuilder(activity, self._channel_id)
return noti
@staticmethod
def _set_open_behavior(notification):
'''
Open the source application when user opens the notification.
.. versionadded:: 1.4.0
'''
# create Intent that navigates back to the application
app_context = activity.getApplication().getApplicationContext()
notification_intent = Intent(app_context, python_act)
# set flags to run our application Activity
notification_intent.setFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP)
notification_intent.setAction(Intent.ACTION_MAIN)
notification_intent.addCategory(Intent.CATEGORY_LAUNCHER)
# get our application Activity
pending_intent = PendingIntent.getActivity(
app_context, 0, notification_intent, 0
)
notification.setContentIntent(pending_intent)
notification.setAutoCancel(True)
def _open_notification(self, notification):
if SDK_INT >= 16:
notification = notification.build()
else:
notification = notification.getNotification()
self._get_notification_service().notify(0, notification)
def _notify(self, **kwargs):
noti = None
message = kwargs.get('message').encode('utf-8')
ticker = kwargs.get('ticker').encode('utf-8')
title = AndroidString(
kwargs.get('title', '').encode('utf-8')
)
icon = kwargs.get('app_icon')
# decide whether toast only or proper notification
if kwargs.get('toast'):
self._toast(message)
return
else:
noti = self._build_notification(title)
# set basic properties for notification
noti.setContentTitle(title)
noti.setContentText(AndroidString(message))
noti.setTicker(AndroidString(ticker))
# set additional flags for notification
self._set_icons(noti, icon=icon)
self._set_open_behavior(noti)
# launch
self._open_notification(noti)
def instance():
'''
Instance for facade proxy.
'''
return AndroidNotification()
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