feature #28: action to open notification panel

app/src/main/AndroidManifest.xml

@@ -6,6 +6,7 @@
     <uses-permission android:name="android.permission.QUERY_ALL_PACKAGES"
         tools:ignore="QueryAllPackagesPermission" />
     <uses-permission android:name="android.permission.ACCESS_HIDDEN_PROFILES" />
+    <uses-permission android:name="android.permission.EXPAND_STATUS_BAR" />
 
 
     <application

app/src/main/java/de/jrpie/android/launcher/Functions.kt

@@ -223,6 +223,19 @@ fun audioVolumeDown(activity: Activity) {
     )
 }
 
+fun expandNotificationsPanel(activity: Activity) {
+    /* https://stackoverflow.com/a/15582509 */
+    try {
+        @Suppress("SpellCheckingInspection")
+        val statusBarService: Any? = activity.getSystemService("statusbar")
+        val statusBarManager = Class.forName("android.app.StatusBarManager")
+        val showStatusBar = statusBarManager.getMethod("expandNotificationsPanel")
+        showStatusBar.invoke(statusBarService)
+    } catch (e: Exception) {
+        Toast.makeText(activity, activity.getString(R.string.alert_cant_expand_notifications_panel), Toast.LENGTH_LONG).show()
+    }
+}
+
 /* --- */
 
 fun getUserFromId(user: Int?, context: Context): UserHandle? {

app/src/main/java/de/jrpie/android/launcher/Preferences.kt

@@ -0,0 +1,2 @@
+package de.jrpie.android.launcher
+

app/src/main/java/de/jrpie/android/launcher/list/other/LauncherAction.kt

@@ -6,6 +6,7 @@ import de.jrpie.android.launcher.audioNextTrack
 import de.jrpie.android.launcher.audioPreviousTrack
 import de.jrpie.android.launcher.audioVolumeDown
 import de.jrpie.android.launcher.audioVolumeUp
+import de.jrpie.android.launcher.expandNotificationsPanel
 import de.jrpie.android.launcher.openAppsList
 import de.jrpie.android.launcher.openSettings
 
@@ -24,6 +25,10 @@ enum class LauncherAction(val id: String, val label: Int, val icon: Int, val lau
     TRACK_PREV("launcher:previousTrack",
         R.string.list_other_track_previous,
         R.drawable.baseline_skip_previous_24, ::audioPreviousTrack),
+    EXPAND_NOTIFICATIONS_PANEL("launcher:expandNotificationsPanel",
+        R.string.list_other_expand_notifications_panel,
+        R.drawable.baseline_notifications_24,
+         ::expandNotificationsPanel),
     NOP("launcher:nop", R.string.list_other_nop, R.drawable.baseline_not_interested_24, {});
 
     companion object {

app/src/main/res/drawable/baseline_notifications_24.xml

@@ -0,0 +1,5 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android" android:height="24dp" android:tint="#FFFFFF" android:viewportHeight="24" android:viewportWidth="24" android:width="24dp">
+      
+    <path android:fillColor="@android:color/white" android:pathData="M12,22c1.1,0 2,-0.9 2,-2h-4c0,1.1 0.89,2 2,2zM18,16v-5c0,-3.07 -1.64,-5.64 -4.5,-6.32L13.5,4c0,-0.83 -0.67,-1.5 -1.5,-1.5s-1.5,0.67 -1.5,1.5v0.68C7.63,5.36 6,7.92 6,11v5l-2,2v1h16v-1l-2,-2z"/>
+    
+</vector>

app/src/main/res/values/strings.xml

@@ -157,6 +157,7 @@
     <string name="list_other_volume_down">Music: Quieter</string>
     <string name="list_other_track_next">Music: Next</string>
     <string name="list_other_track_previous">Music: Previous</string>
+    <string name="list_other_expand_notifications_panel">Expand notifications panel</string>
     <string name="list_other_nop">Do nothing</string>
 
     <!--
@@ -188,5 +189,6 @@
     <string name="settings">Settings</string>
     <string name="ic_menu_alt">More options</string>
     <string name="swipe" translatable="false"><![CDATA[>>>>>>]]></string>
+    <string name="alert_cant_expand_notifications_panel">Error: Can\'t expand status bar.\nThis action is using functionality that is not part of the published Android API. Unfortunately, it does not seem to work on your device.</string>
 
 </resources>