add notifications to android app

Signed-off-by: Christine Dodrill <me@christine.website>
This commit is contained in:
Cadey Ratio 2021-07-07 20:27:53 -04:00
parent 5ea97dac68
commit ea7c18723f
3 changed files with 71 additions and 1 deletions

View File

@ -16,9 +16,37 @@
package website.christine.xesite package website.christine.xesite
import android.app.Application import android.app.Application
import android.app.NotificationChannel
import android.app.NotificationManager
import android.content.Context
import android.os.Build
class Application : Application() { class Application : Application() {
override fun onCreate() { override fun onCreate() {
super.onCreate() super.onCreate()
val ctx = this.applicationContext
createNotificationChannel(ctx)
}
private fun createNotificationChannel(ctx: Context) {
// Create the NotificationChannel, but only on API 26+ because
// the NotificationChannel class is new and not in the support library
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
val name = NEW_POST_CHANNEL
val descriptionText = NEW_POST_CHANNEL_DESC
val importance = NotificationManager.IMPORTANCE_LOW
val channel = NotificationChannel(NEW_POST_CHANNEL, name, importance).apply {
description = descriptionText
}
// Register the channel with the system
val notificationManager: NotificationManager =
ctx.getSystemService(Context.NOTIFICATION_SERVICE) as NotificationManager
notificationManager.createNotificationChannel(channel)
}
} }
} }
internal val NEW_POST_CHANNEL = "New Posts";
internal val NEW_POST_CHANNEL_DESC = "New posts on christine.website";
internal val notificationId = 1;

View File

@ -15,6 +15,7 @@
*/ */
package website.christine.xesite package website.christine.xesite
import android.content.Context
import android.net.Uri import android.net.Uri
import com.google.androidbrowserhelper.trusted.LauncherActivity import com.google.androidbrowserhelper.trusted.LauncherActivity

View File

@ -1,10 +1,15 @@
package website.christine.xesite package website.christine.xesite
import android.app.NotificationChannel
import android.app.NotificationManager
import android.appwidget.AppWidgetManager import android.appwidget.AppWidgetManager
import android.appwidget.AppWidgetProvider import android.appwidget.AppWidgetProvider
import android.content.Context import android.content.Context
import android.os.Build
import android.util.Log import android.util.Log
import android.widget.RemoteViews import android.widget.RemoteViews
import androidx.core.app.NotificationCompat
import androidx.core.app.NotificationManagerCompat
import com.android.volley.RequestQueue import com.android.volley.RequestQueue
import com.android.volley.Response import com.android.volley.Response
import com.android.volley.toolbox.BasicNetwork import com.android.volley.toolbox.BasicNetwork
@ -23,6 +28,18 @@ class NewPostWidget : AppWidgetProvider() {
return ctx.packageName.plus("/").plus(pkgInfo.versionName) return ctx.packageName.plus("/").plus(pkgInfo.versionName)
} }
private fun notify(ctx: Context, newPost: NewPost) {
var builder = NotificationCompat.Builder(ctx, NEW_POST_CHANNEL)
.setSmallIcon(R.drawable.splash)
.setContentTitle(newPost.title)
.setContentText(newPost.summary)
.setPriority(NotificationCompat.PRIORITY_DEFAULT)
NotificationManagerCompat.from(ctx).apply {
notify(notificationId, builder.build())
}
}
override fun onUpdate( override fun onUpdate(
ctx: Context, ctx: Context,
appWidgetManager: AppWidgetManager, appWidgetManager: AppWidgetManager,
@ -38,6 +55,13 @@ class NewPostWidget : AppWidgetProvider() {
NewPost::class.java, NewPost::class.java,
headers, headers,
Response.Listener<NewPost> { response -> Response.Listener<NewPost> { response ->
val oldURL = loadPref(ctx, "old_url", response.link)
if (response.link != oldURL) {
// make notification?
this.notify(ctx, response)
savePref(ctx, "old_url", response.link)
}
Log.println(Log.INFO, "new_post", response.toString()) Log.println(Log.INFO, "new_post", response.toString())
// There may be multiple widgets active, so update all of them // There may be multiple widgets active, so update all of them
for (appWidgetId in appWidgetIds) { for (appWidgetId in appWidgetIds) {
@ -75,6 +99,8 @@ class NewPostWidget : AppWidgetProvider() {
override fun onEnabled(ctx: Context) { override fun onEnabled(ctx: Context) {
this.makeQueue(ctx) this.makeQueue(ctx)
//this.createNotificationChannel(ctx)
savePref(ctx, "old_url", "http://google.com")
} }
override fun onDisabled(context: Context) { override fun onDisabled(context: Context) {
@ -103,3 +129,18 @@ class NewPostWidget : AppWidgetProvider() {
appWidgetManager.updateAppWidget(appWidgetId, views) appWidgetManager.updateAppWidget(appWidgetId, views)
} }
} }
private const val PREFS_NAME = "website.christine.xesite.NewPostWidget"
private const val PREF_PREFIX_KEY = "appwidget_"
internal fun savePref(ctx: Context, key: String, value: String) {
val prefs = ctx.getSharedPreferences(PREFS_NAME, 0).edit()
prefs.putString(PREF_PREFIX_KEY + key, value)
prefs.apply()
}
internal fun loadPref(ctx: Context, key: String, default: String): String {
val prefs = ctx.getSharedPreferences(PREFS_NAME, 0)
val titleValue = prefs.getString(PREF_PREFIX_KEY + key, default)
return titleValue ?: default
}