Fancy toggle button for main menu

app/src/main/java/partisan/weforge/xyz/pulse/MainFragment.kt

@@ -1,27 +1,43 @@
 package partisan.weforge.xyz.pulse
 
 import android.os.Bundle
+import android.util.Log
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
-import android.widget.ToggleButton
 import androidx.fragment.app.Fragment
+import com.google.android.material.button.MaterialButton
 
 class MainFragment : Fragment() {
 
     private lateinit var prefs: Preferences
 
     override fun onCreateView(
-        inflater: LayoutInflater, container: ViewGroup?,
+        inflater: LayoutInflater,
+        container: ViewGroup?,
         savedInstanceState: Bundle?
     ): View {
         val view = inflater.inflate(R.layout.fragment_main, container, false)
         prefs = Preferences(requireContext())
 
-        val toggle = view.findViewById<ToggleButton>(R.id.toggle)
-        toggle.isChecked = prefs.isEnabled
-        toggle.setOnCheckedChangeListener { _, isChecked ->
-            prefs.isEnabled = isChecked
+        val toggle = view.findViewById<MaterialButton>(R.id.toggle)
+        toggle.isCheckable = true
+        toggle.isChecked = prefs.isServiceEnabledByUser
+
+        toggle.setOnClickListener {
+            // the button toggles itself internally since it's checkable
+            val isNowChecked = toggle.isChecked
+            prefs.isServiceEnabledByUser = isNowChecked
+
+            // Log.d("ButtonState", """
+            //     User toggle: $isNowChecked
+            //     Prefs effective state (hasPerms): ${prefs.isEnabled}
+            // """.trimIndent())
+
+            toggle.post {
+                toggle.jumpDrawablesToCurrentState()
+                toggle.invalidate()
+            }
         }
 
         return view

app/src/main/java/partisan/weforge/xyz/pulse/Preferences.kt

@@ -4,9 +4,9 @@ import android.content.Context
 import androidx.core.content.edit
 import androidx.preference.PreferenceManager
 
-class Preferences(ctx: Context) {
+class Preferences(private val context: Context) {
+
     companion object {
-        private const val ENABLED = "enabled"
         private const val REDIRECTION_DELAY = "redirection_delay"
         private const val POPUP_POSITION = "popup_position_y"
         private const val POPUP_ENABLED = "popup_enabled"
@@ -17,11 +17,19 @@ class Preferences(ctx: Context) {
         private const val SERVICE_ENABLED = "service_enabled"
     }
 
-    private val prefs = PreferenceManager.getDefaultSharedPreferences(ctx)
+    private val prefs = PreferenceManager.getDefaultSharedPreferences(context)
 
-    var isEnabled: Boolean
-        get() = prefs.getBoolean(ENABLED, prefs.getBoolean(SERVICE_ENABLED, false))
-        set(value) = prefs.edit { putBoolean(ENABLED, value) }
+    // Whether user enabled/disabled the service manually by tiggle button
+    var isServiceEnabledByUser: Boolean
+        get() = prefs.getBoolean(SERVICE_ENABLED, false)
+        set(value) = prefs.edit { putBoolean(SERVICE_ENABLED, value) }
+
+    // True only if all required permissions + toggle are satisfied
+    val isEnabled: Boolean
+        get() = isServiceEnabledByUser &&
+                hasGeneralPermissions(context) &&
+                hasDrawOverlays(context) &&
+                hasCallRedirectionRole(context)
 
     var popupEnabled: Boolean
         get() = prefs.getBoolean(POPUP_ENABLED, true)

app/src/main/java/partisan/weforge/xyz/pulse/WelcomeActivity.kt

@@ -64,7 +64,6 @@ class WelcomeActivity : AppCompatActivity() {
                     requestRoleLauncher.launch(roleManager?.createRequestRoleIntent(RoleManager.ROLE_CALL_REDIRECTION))
                 }
                 else -> {
-                    prefs.isEnabled = true
                     showConfettiAndContinue()
                 }
             }

app/src/main/res/color/toggle_button_bg.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:state_checked="true" android:color="?attr/colorPrimary"/>
+    <item android:color="?attr/colorSurfaceContainer"/>
+</selector>

app/src/main/res/color/toggle_button_icon.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:state_checked="true" android:color="?attr/colorOnPrimaryContainer"/>
+    <item android:color="?attr/colorOnSurfaceVariant"/>
+</selector>

app/src/main/res/drawable/ic_power_settings_new_24.xml

@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+  <path
+      android:fillColor="?attr/colorControlNormal"
+      android:pathData="M13,3h-2v10h2L13,3zM17.83,5.17l-1.42,1.42C17.99,7.86 19,9.81 19,12c0,3.87 -3.13,7 -7,7s-7,-3.13 -7,-7c0,-2.19 1.01,-4.14 2.58,-5.42L6.17,5.17C4.23,6.82 3,9.26 3,12c0,4.97 4.03,9 9,9s9,-4.03 9,-9c0,-2.74 -1.23,-5.18 -3.17,-6.83z"/>
+</vector>

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

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="utf-8"?>
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:state_checked="true">
+        <shape android:shape="oval">
+            <solid android:color="?attr/colorPrimary" />
+        </shape>
+    </item>
+    <item>
+        <shape android:shape="oval">
+            <solid android:color="?attr/colorSurfaceContainerLowest" />
+        </shape>
+    </item>
+</selector>

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

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+    android:shape="oval">
+    <solid android:color="?attr/colorSurfaceContainerLowest" />
+    <stroke
+        android:width="2dp"
+        android:color="?attr/colorOutline"/>
+</shape>

app/src/main/res/layout/fragment_main.xml

@@ -1,12 +1,31 @@
-<?xml version="1.0" encoding="utf-8"?>
 <FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     android:gravity="center">
 
-    <ToggleButton
+    <View
+        android:layout_width="104dp"
+        android:layout_height="104dp"
+        android:layout_gravity="center"
+        android:background="@drawable/toggle_button_bg_outline" />
+
+    <com.google.android.material.button.MaterialButton
         android:id="@+id/toggle"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:textSize="16sp" />
+        android:layout_width="96dp"
+        android:layout_height="96dp"
+        android:layout_gravity="center"
+        android:checkable="true"
+        android:insetTop="0dp"
+        android:insetBottom="0dp"
+        android:insetLeft="0dp"
+        android:insetRight="0dp"
+        android:text=""
+        app:icon="@drawable/ic_power_settings_new_24"
+        app:iconTint="@color/toggle_button_icon"
+        app:backgroundTint="@color/toggle_button_bg"
+        app:iconSize="48dp"
+        app:iconGravity="textTop"
+        app:iconPadding="0dp"
+        app:cornerRadius="48dp" />
 </FrameLayout>

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

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <style name="RoundIconShape" parent="">
+        <item name="cornerFamily">rounded</item>
+        <item name="cornerSize">100%</item>
+    </style>
+</resources>

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

@@ -11,5 +11,6 @@
         <item name="colorSurface">@color/white</item>
         <item name="colorOnSurface">@color/black</item>
         <item name="textAppearanceBodyMedium">@style/TextAppearance.Material3.BodyMedium</item>
+        <item name="colorSurfaceContainerLowest">?attr/colorSurfaceContainerLowest</item>
     </style>
 </resources>