* github/main: Improvement in the Search screen (#717) Fix build Fix navigation tests Route notification deep link through for you screen, with spotless fixes Route notification deep link through for you screen Add pending intent for opening notification links Notify users when news are updated Change-Id: Id0373d61be19ab6fa9c42f6beca28a42dbdde225pull/836/head
Don Turner
1 year ago
commit
d02ca372ea
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/*
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* Copyright 2023 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* https://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.google.samples.apps.nowinandroid.core.notifications
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import com.google.samples.apps.nowinandroid.core.model.data.NewsResource
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import javax.inject.Inject
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import javax.inject.Singleton
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/**
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* Implementation of [Notifier] that displays notifications in the system tray.
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*/
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@Singleton
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class AndroidSystemNotifier @Inject constructor() : Notifier {
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override fun onNewsAdded(newsResources: List<NewsResource>) {
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// TODO, create notification and display to the user
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}
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}
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@ -0,0 +1,176 @@
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/*
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* Copyright 2023 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* https://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.google.samples.apps.nowinandroid.core.notifications
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import android.Manifest.permission
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import android.app.Notification
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import android.app.NotificationChannel
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import android.app.NotificationManager
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import android.app.PendingIntent
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import android.content.ComponentName
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import android.content.Context
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import android.content.Intent
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import android.content.pm.PackageManager
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import android.os.Build.VERSION
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import android.os.Build.VERSION_CODES
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import androidx.core.app.ActivityCompat
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import androidx.core.app.NotificationCompat
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import androidx.core.app.NotificationCompat.InboxStyle
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import androidx.core.app.NotificationManagerCompat
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import androidx.core.net.toUri
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import com.google.samples.apps.nowinandroid.core.model.data.NewsResource
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import dagger.hilt.android.qualifiers.ApplicationContext
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import javax.inject.Inject
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import javax.inject.Singleton
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private const val MAX_NUM_NOTIFICATIONS = 5
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private const val TARGET_ACTIVITY_NAME = "com.google.samples.apps.nowinandroid.MainActivity"
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private const val NEWS_NOTIFICATION_REQUEST_CODE = 0
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private const val NEWS_NOTIFICATION_SUMMARY_ID = 1
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private const val NEWS_NOTIFICATION_CHANNEL_ID = ""
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private const val NEWS_NOTIFICATION_GROUP = "NEWS_NOTIFICATIONS"
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private const val DEEP_LINK_SCHEME_AND_HOST = "https://www.nowinandroid.apps.samples.google.com"
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private const val FOR_YOU_PATH = "foryou"
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/**
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* Implementation of [Notifier] that displays notifications in the system tray.
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*/
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@Singleton
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class SystemTrayNotifier @Inject constructor(
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@ApplicationContext private val context: Context,
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) : Notifier {
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override fun postNewsNotifications(
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newsResources: List<NewsResource>,
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) = with(context) {
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if (ActivityCompat.checkSelfPermission(
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this,
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permission.POST_NOTIFICATIONS,
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) != PackageManager.PERMISSION_GRANTED
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) {
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return
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}
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val truncatedNewsResources = newsResources
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.take(MAX_NUM_NOTIFICATIONS)
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val newsNotifications = truncatedNewsResources
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.map { newsResource ->
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createNewsNotification {
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setSmallIcon(
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com.google.samples.apps.nowinandroid.core.common.R.drawable.ic_nia_notification,
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)
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.setContentTitle(newsResource.title)
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.setContentText(newsResource.content)
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.setContentIntent(newsPendingIntent(newsResource))
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.setGroup(NEWS_NOTIFICATION_GROUP)
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.setAutoCancel(true)
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}
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}
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val summaryNotification = createNewsNotification {
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val title = getString(
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R.string.news_notification_group_summary,
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truncatedNewsResources.size,
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)
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setContentTitle(title)
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.setContentText(title)
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.setSmallIcon(
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com.google.samples.apps.nowinandroid.core.common.R.drawable.ic_nia_notification,
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)
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// Build summary info into InboxStyle template.
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.setStyle(newsNotificationStyle(truncatedNewsResources, title))
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.setGroup(NEWS_NOTIFICATION_GROUP)
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.setGroupSummary(true)
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.setAutoCancel(true)
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.build()
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}
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// Send the notifications
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val notificationManager = NotificationManagerCompat.from(this)
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newsNotifications.forEachIndexed { index, notification ->
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notificationManager.notify(
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truncatedNewsResources[index].id.hashCode(),
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notification,
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)
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}
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notificationManager.notify(NEWS_NOTIFICATION_SUMMARY_ID, summaryNotification)
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}
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/**
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* Creates an inbox style summary notification for news updates
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*/
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private fun newsNotificationStyle(
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newsResources: List<NewsResource>,
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title: String,
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): InboxStyle = newsResources
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.fold(InboxStyle()) { inboxStyle, newsResource ->
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inboxStyle.addLine(newsResource.title)
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}
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.setBigContentTitle(title)
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.setSummaryText(title)
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}
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/**
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* Creates a notification for configured for news updates
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*/
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private fun Context.createNewsNotification(
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block: NotificationCompat.Builder.() -> Unit,
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): Notification {
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ensureNotificationChannelExists()
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return NotificationCompat.Builder(
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this,
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NEWS_NOTIFICATION_CHANNEL_ID,
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)
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.setPriority(NotificationCompat.PRIORITY_DEFAULT)
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.apply(block)
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.build()
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}
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/**
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* Ensures the a notification channel is is present if applicable
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*/
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private fun Context.ensureNotificationChannelExists() {
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if (VERSION.SDK_INT < VERSION_CODES.O) return
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val channel = NotificationChannel(
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NEWS_NOTIFICATION_CHANNEL_ID,
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getString(R.string.news_notification_channel_name),
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NotificationManager.IMPORTANCE_DEFAULT,
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).apply {
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description = getString(R.string.news_notification_channel_description)
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}
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// Register the channel with the system
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NotificationManagerCompat.from(this).createNotificationChannel(channel)
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}
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private fun Context.newsPendingIntent(
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newsResource: NewsResource,
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): PendingIntent? = PendingIntent.getActivity(
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this,
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NEWS_NOTIFICATION_REQUEST_CODE,
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Intent().apply {
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action = Intent.ACTION_VIEW
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data = newsResource.newsDeepLinkUri()
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component = ComponentName(
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packageName,
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TARGET_ACTIVITY_NAME,
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)
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},
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PendingIntent.FLAG_UPDATE_CURRENT or PendingIntent.FLAG_IMMUTABLE,
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)
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private fun NewsResource.newsDeepLinkUri() = "$DEEP_LINK_SCHEME_AND_HOST/$FOR_YOU_PATH/$id".toUri()
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