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Add home screen widget

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Closes #164
This commit is contained in:
mueller-ma 2023-02-27 18:14:12 +01:00
parent 3a1c465ac0
commit 5ea4e25ceb
10 changed files with 175 additions and 0 deletions
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13
app/src/main/AndroidManifest.xml
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@ -32,6 +32,19 @@
<receiver
android:name=".work.RetryBroadcastReceiver"
android:exported="false" />
<receiver
android:name=".widget.Widget"
android:label="@string/app_name"
android:exported="true">
<intent-filter>
<action android:name="android.appwidget.action.APPWIDGET_UPDATE" />
</intent-filter>
<meta-data
android:name="android.appwidget.provider"
android:resource="@xml/widget" />
</receiver>
</application>
</manifest>

64
app/src/main/java/com/github/muellerma/prepaidbalance/widget/Widget.kt Normal file
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@ -0,0 +1,64 @@
package com.github.muellerma.prepaidbalance.widget
import android.app.PendingIntent
import android.appwidget.AppWidgetManager
import android.appwidget.AppWidgetProvider
import android.content.Context
import android.content.Intent
import android.os.Bundle
import android.util.Log
import android.widget.RemoteViews
import com.github.muellerma.prepaidbalance.R
import com.github.muellerma.prepaidbalance.room.AppDatabase
import com.github.muellerma.prepaidbalance.ui.MainActivity
import kotlinx.coroutines.CoroutineScope
import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.Job
import kotlinx.coroutines.launch
import kotlin.coroutines.CoroutineContext
class Widget : AppWidgetProvider(), CoroutineScope {
override val coroutineContext: CoroutineContext get() = Dispatchers.IO + Job()
override fun onUpdate(context: Context, appWidgetManager: AppWidgetManager, appWidgetIds: IntArray) {
// There may be multiple widgets active, so update all of them
appWidgetIds.forEach { appWidgetId ->
Log.d(TAG, "Update widget with ID $appWidgetId")
launch {
setupWidget(context, appWidgetId, appWidgetManager)
}
}
}
override fun onAppWidgetOptionsChanged(
context: Context,
appWidgetManager: AppWidgetManager,
appWidgetId: Int,
newOptions: Bundle?
) {
Log.d(TAG, "onAppWidgetOptionsChanged()")
launch {
setupWidget(context, appWidgetId, appWidgetManager)
}
}
private suspend fun setupWidget(context: Context, widgetId: Int, widgetManager: AppWidgetManager) {
val database = AppDatabase.get(context)
val latestInDb = database.balanceDao().getLatest()
val textForWidget = latestInDb?.balance?.toString() ?: "0"
Log.d(TAG, "textForWidget = $textForWidget")
val intent = Intent(context, MainActivity::class.java)
val pendingIntent = PendingIntent.getActivity(context, 1, intent, PendingIntent.FLAG_IMMUTABLE)
RemoteViews(context.packageName, R.layout.widget).apply {
setTextViewText(R.id.balance, textForWidget)
setOnClickPendingIntent(android.R.id.background, pendingIntent)
widgetManager.updateAppWidget(widgetId, this)
}
}
companion object {
private val TAG = Widget::class.java.simpleName
}
}

9
app/src/main/res/drawable/widget_background.xml Normal file
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@ -0,0 +1,9 @@
<?xml version="1.0" encoding="utf-8"?>
<shape
xmlns:android="http://schemas.android.com/apk/res/android"
android:shape="rectangle">
<solid android:color="?android:attr/colorBackground" />
<corners android:radius="?attr/homeScreenWidgetBackgroundRadius" />
</shape>

29
app/src/main/res/layout/widget.xml Normal file
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@ -0,0 +1,29 @@
<?xml version="1.0" encoding="utf-8"?>
<FrameLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:id="@android:id/background"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:theme="@style/HomeScreenWidgetTheme"
android:background="@drawable/widget_background">
<TextView
android:id="@+id/balance"
android:layout_gravity="center"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textSize="20sp"
tools:text="10.45" />
<ImageView
android:id="@+id/btn_open_main"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_margin="4dp"
android:padding="0dp"
android:alpha="0.3"
android:scaleType="fitCenter"
android:src="@mipmap/ic_launcher"
tools:ignore="ContentDescription" />
</FrameLayout>

29
app/src/main/res/layout/widget_preview.xml Normal file
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@ -0,0 +1,29 @@
<?xml version="1.0" encoding="utf-8"?>
<FrameLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:id="@android:id/background"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:theme="@style/HomeScreenWidgetTheme"
android:background="@drawable/widget_background">
<TextView
android:id="@+id/balance"
android:layout_gravity="center"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textSize="20sp"
android:text="10.45" />
<ImageView
android:id="@+id/btn_open_main"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_margin="4dp"
android:padding="0dp"
android:alpha="0.3"
android:scaleType="fitCenter"
android:src="@mipmap/ic_launcher"
tools:ignore="ContentDescription" />
</FrameLayout>

6
app/src/main/res/values-v31/styles.xml Normal file
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@ -0,0 +1,6 @@
<?xml version="1.0" encoding="utf-8"?>
<resources>
<style name="HomeScreenWidgetTheme" parent="Theme.Material3.DynamicColors.DayNight">
<item name="homeScreenWidgetBackgroundRadius">@android:dimen/system_app_widget_background_radius</item>
</style>
</resources>

4
app/src/main/res/values/attr.xml Normal file
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@ -0,0 +1,4 @@
<?xml version="1.0" encoding="utf-8"?>
<resources>
<attr name="homeScreenWidgetBackgroundRadius" format="dimension" />
</resources>

1
app/src/main/res/values/strings.xml
View File

@ -48,6 +48,7 @@
<string name="close">Close</string>
<string name="no_response_saved">No response saved</string>
<string name="last_update">Last update: %s</string>
<string name="widget_description">Show latest balance</string>
<!-- Export as CSV -->
<string name="export">Export as CSV</string>

7
app/src/main/res/values/styles.xml Normal file
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@ -0,0 +1,7 @@
<?xml version="1.0" encoding="utf-8"?>
<resources>
<style name="HomeScreenWidgetTheme" parent="Theme.Material3.DynamicColors.DayNight">
<item name="homeScreenWidgetBackgroundRadius">8dp</item>
<item name="colorPrimary">?android:attr/textColorSecondary</item>
</style>
</resources>

13
app/src/main/res/xml/widget.xml Normal file
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@ -0,0 +1,13 @@
<?xml version="1.0" encoding="utf-8"?>
<appwidget-provider xmlns:android="http://schemas.android.com/apk/res/android"
android:minWidth="40dp"
android:minHeight="40dp"
android:targetCellWidth="1"
android:targetCellHeight="1"
android:updatePeriodMillis="86400000"
android:description="@string/widget_description"
android:previewLayout="@layout/widget_preview"
android:initialLayout="@layout/widget"
android:resizeMode="horizontal|vertical"
android:widgetCategory="home_screen"
android:widgetFeatures="" />