add consent dialog for accessibility service

app/src/main/java/de/jrpie/android/launcher/actions/lock/LauncherAccessibilityService.kt

@@ -1,12 +1,14 @@
 package de.jrpie.android.launcher.actions.lock
 
 import android.accessibilityservice.AccessibilityService
+import android.app.AlertDialog
 import android.content.Context
 import android.content.Intent
 import android.os.Build
 import android.provider.Settings
 import android.util.Log
 import android.view.accessibility.AccessibilityEvent
+import android.widget.CheckBox
 import android.widget.Toast
 import de.jrpie.android.launcher.R
 
@@ -50,6 +52,32 @@ class LauncherAccessibilityService : AccessibilityService() {
                 .contains("${context.packageName}/${LauncherAccessibilityService::class.java.name}")
                 .also { Log.d(TAG, "Accessibility Service enabled: $it") }
         }
+
+        fun showEnableDialog(context: Context) {
+            AlertDialog.Builder(context, R.style.AlertDialogDanger).apply {
+                setView(R.layout.dialog_consent_accessibility)
+                setTitle(R.string.dialog_consent_accessibility_title)
+                setPositiveButton(R.string.dialog_consent_accessibility_ok) { _, _ ->
+                    lockScreen(context)
+                }
+                setNegativeButton(R.string.dialog_consent_accessibility_cancel) { _, _ -> }
+            }.create().also { it.show() }.apply {
+                val buttonOk = getButton(AlertDialog.BUTTON_POSITIVE)
+                val checkboxes = listOf(
+                    findViewById<CheckBox>(R.id.dialog_consent_accessibility_checkbox_1),
+                    findViewById(R.id.dialog_consent_accessibility_checkbox_2),
+                    findViewById(R.id.dialog_consent_accessibility_checkbox_3),
+                    findViewById(R.id.dialog_consent_accessibility_checkbox_4),
+                )
+                val update = {
+                    buttonOk.isEnabled = checkboxes.map { b -> b?.isChecked == true }.all { it }
+                }
+                update()
+                checkboxes.forEach { c ->
+                    c?.setOnClickListener { _ -> update() }
+                }
+            }
+        }
     }
 
 

app/src/main/java/de/jrpie/android/launcher/actions/lock/LockMethod.kt

@@ -22,7 +22,7 @@ enum class LockMethod(
     ACCESSIBILITY_SERVICE(
         LauncherAccessibilityService::lockScreen,
         LauncherAccessibilityService::isEnabled,
-        LauncherAccessibilityService::lockScreen
+        LauncherAccessibilityService::showEnableDialog
     ),
     ;
 

app/src/main/res/color/text_color_toggle.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_enabled="false" android:alpha="0.2" android:color="?android:color" />
+    <item android:color="?android:color" />
+</selector>

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

@@ -0,0 +1,50 @@
+<?xml version="1.0" encoding="utf-8"?>
+<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
+    style="@style/AlertDialogDanger"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:orientation="vertical"
+        android:padding="20dp">
+
+        <de.jrpie.android.launcher.ui.util.HtmlTextView
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:text="@string/dialog_consent_accessibility_text" />
+
+        <Space
+            android:layout_width="match_parent"
+            android:layout_height="20dp" />
+
+        <CheckBox
+            android:id="@+id/dialog_consent_accessibility_checkbox_1"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:paddingBottom="10dp"
+            android:text="@string/dialog_consent_accessibility_privileges" />
+
+        <CheckBox
+            android:id="@+id/dialog_consent_accessibility_checkbox_2"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:paddingBottom="10dp"
+            android:text="@string/dialog_consent_accessibility_other_options" />
+
+        <CheckBox
+            android:id="@+id/dialog_consent_accessibility_checkbox_3"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:paddingBottom="10dp"
+            android:text="@string/dialog_consent_accessibility_data_collection" />
+
+        <CheckBox
+            android:id="@+id/dialog_consent_accessibility_checkbox_4"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:paddingBottom="10dp"
+            android:text="@string/dialog_consent_accessibility_consent" />
+    </LinearLayout>
+</ScrollView>

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

@@ -298,4 +298,12 @@
     <string name="dialog_select_color_cancel">Cancel</string>
     <string name="dialog_select_color_color_hex">Color</string>
     <string name="dialog_choose_color_title">Choose color</string>
+    <string name="dialog_consent_accessibility_privileges">I am aware that this will grant far-reaching privileges to µLauncher.</string>
+    <string name="dialog_consent_accessibility_other_options">I am aware that other options exist (using device administrator privileges or the power button).</string>
+    <string name="dialog_consent_accessibility_consent">I consent to µLauncher using the accessibility service to provide functionality unrelated to accessibility.</string>
+    <string name="dialog_consent_accessibility_data_collection">I consent to µLauncher not collecting any data.</string>
+    <string name="dialog_consent_accessibility_text"><![CDATA[You are about to activate the accessibility service. This will grant <strong>far-reaching privileges</strong> to µLauncher.<br/>µLauncher will use these privileges <strong>only to lock the screen</strong>. µLauncher <strong>will never collect any data</strong>. In particular, µLauncher does not use the accessibility service to collect any data.]]></string>
+    <string name="dialog_consent_accessibility_title">Activating the Accessibility Service</string>
+    <string name="dialog_consent_accessibility_ok">Activate Accessibility Service</string>
+    <string name="dialog_consent_accessibility_cancel">Cancel</string>
 </resources>

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

@@ -116,19 +116,18 @@
         <item name="android:textColor">#000</item>
     </style>
 
-
-
-
-
-
     <style name="PopupMenuCustom" parent="@android:style/Widget.PopupMenu" tools:keep="@style/PopupMenuCustom">
         <item name="android:popupBackground">#252827</item>
     </style>
 
     <style name="AlertDialogCustom" parent="Theme.AppCompat.Light.Dialog.Alert">
-        <item name="android:textColor">#000000</item>
-        <item name="android:background">#ffffff</item>
         <item name="android:color">#000000</item>
+        <item name="android:textColor">@color/text_color_toggle</item>
+        <item name="android:background">#ffffff</item>
+    </style>
+
+    <style name="AlertDialogDanger" parent="AlertDialogCustom">
+        <item name="buttonTint">#ff0000</item>
     </style>
 
     <!-- Set the fade in animation on all activities by default -->