New Welcome screen

app/build.gradle

@@ -69,4 +69,5 @@ dependencies {
     androidTestImplementation 'androidx.test.espresso:espresso-core:3.6.1'
     implementation 'androidx.preference:preference-ktx:1.2.1'
     implementation 'androidx.cardview:cardview:1.0.0'
+    implementation 'nl.dionsegijn:konfetti-xml:2.0.2' // This library holds the fabric of reality together please dont remove it at any costs >:3
 }

app/src/main/AndroidManifest.xml

@@ -16,13 +16,14 @@
         android:theme="@style/Theme.Pulse">
 
         <activity
-            android:name=".MainActivity"
+            android:name=".WelcomeActivity"
             android:exported="true">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
+        <activity android:name=".MainActivity" />
 
         <service
             android:name=".CallRedirectionService"

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

@@ -22,14 +22,10 @@ import partisan.weforge.xyz.pulse.setServicePriority
 import partisan.weforge.xyz.pulse.isServiceEnabled
 import partisan.weforge.xyz.pulse.setServiceEnabled
 import partisan.weforge.xyz.pulse.databinding.ActivityMainBinding
+import partisan.weforge.xyz.pulse.REQUIRED_PERMISSIONS
+import partisan.weforge.xyz.pulse.hasGeneralPermissions
 
 class MainActivity : AppCompatActivity() {
-    companion object {
-        private val PERMISSIONS = arrayOf(
-            Manifest.permission.READ_CONTACTS,
-            Manifest.permission.CALL_PHONE,
-        )
-    }
 
     private lateinit var binding: ActivityMainBinding
     private lateinit var prefs: Preferences
@@ -156,28 +152,22 @@ class MainActivity : AppCompatActivity() {
 
     private fun requestPermissions() {
         when {
-            !hasGeneralPermissions() -> requestGeneralPermissions()
+            !hasGeneralPermissions(this) -> registerForGeneralPermissions.launch(REQUIRED_PERMISSIONS)
             !hasDrawOverlays() -> requestDrawOverlays()
             !hasCallRedirectionRole() -> requestCallRedirectionRole()
         }
     }
 
     private fun hasPermissions(): Boolean {
-        return hasGeneralPermissions() && hasDrawOverlays() && hasCallRedirectionRole()
+    return hasGeneralPermissions(this) &&
+           hasDrawOverlays(this) &&
+           hasCallRedirectionRole(this)
     }
 
     private fun requestDrawOverlays() {
         registerForDrawOverlays.launch(Intent(Settings.ACTION_MANAGE_OVERLAY_PERMISSION))
     }
 
-    private fun requestGeneralPermissions() {
-        registerForGeneralPermissions.launch(PERMISSIONS)
-    }
-
-    private fun hasGeneralPermissions(): Boolean {
-        return !PERMISSIONS.any { checkSelfPermission(it) != PackageManager.PERMISSION_GRANTED }
-    }
-
     private fun hasDrawOverlays(): Boolean {
         return Settings.canDrawOverlays(this)
     }

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

@@ -0,0 +1,28 @@
+
+package partisan.weforge.xyz.pulse
+
+import android.Manifest
+import android.content.Context
+import android.content.pm.PackageManager
+import android.provider.Settings
+import android.app.role.RoleManager
+
+val REQUIRED_PERMISSIONS = arrayOf(
+    Manifest.permission.READ_CONTACTS,
+    Manifest.permission.CALL_PHONE,
+)
+
+fun hasGeneralPermissions(context: Context): Boolean {
+    return REQUIRED_PERMISSIONS.all {
+        context.checkSelfPermission(it) == PackageManager.PERMISSION_GRANTED
+    }
+}
+
+fun hasDrawOverlays(context: Context): Boolean {
+    return Settings.canDrawOverlays(context)
+}
+
+fun hasCallRedirectionRole(context: Context): Boolean {
+    val roleManager = context.getSystemService(RoleManager::class.java)
+    return roleManager?.isRoleHeld(RoleManager.ROLE_CALL_REDIRECTION) ?: false
+}

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

@@ -0,0 +1,107 @@
+package partisan.weforge.xyz.pulse
+
+import android.Manifest
+import android.app.role.RoleManager
+import android.content.Intent
+import android.content.pm.PackageManager
+import android.os.Bundle
+import android.provider.Settings
+import android.view.View
+import androidx.activity.result.contract.ActivityResultContracts
+import androidx.appcompat.app.AppCompatActivity
+import nl.dionsegijn.konfetti.core.Party
+import nl.dionsegijn.konfetti.core.Position
+import nl.dionsegijn.konfetti.core.emitter.Emitter
+import nl.dionsegijn.konfetti.xml.KonfettiView
+import partisan.weforge.xyz.pulse.databinding.ActivityWelcomeBinding
+import java.util.concurrent.TimeUnit
+import partisan.weforge.xyz.pulse.hasGeneralPermissions
+import partisan.weforge.xyz.pulse.hasDrawOverlays
+import partisan.weforge.xyz.pulse.hasCallRedirectionRole
+import partisan.weforge.xyz.pulse.REQUIRED_PERMISSIONS
+
+class WelcomeActivity : AppCompatActivity() {
+    private lateinit var binding: ActivityWelcomeBinding
+    private lateinit var prefs: Preferences
+    private var roleManager: RoleManager? = null
+
+    private val requestPermissionsLauncher = registerForActivityResult(
+        ActivityResultContracts.RequestMultiplePermissions()
+    ) {}
+
+    private val requestOverlayLauncher = registerForActivityResult(
+        ActivityResultContracts.StartActivityForResult()
+    ) {}
+
+    private val requestRoleLauncher = registerForActivityResult(
+        ActivityResultContracts.StartActivityForResult()
+    ) {}
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+
+        if (hasGeneralPermissions(this) && hasDrawOverlays(this) && hasCallRedirectionRole(this)) {
+            startActivity(Intent(this, MainActivity::class.java))
+            finish()
+            return
+        }
+
+        binding = ActivityWelcomeBinding.inflate(layoutInflater)
+        setContentView(binding.root)
+
+        prefs = Preferences(this)
+        roleManager = getSystemService(RoleManager::class.java)
+
+        binding.activateButton.setOnClickListener {
+            when {
+                !hasGeneralPermissions(this) -> {
+                    requestPermissionsLauncher.launch(REQUIRED_PERMISSIONS)
+                }
+                !hasDrawOverlays(this) -> {
+                    requestOverlayLauncher.launch(Intent(Settings.ACTION_MANAGE_OVERLAY_PERMISSION))
+                }
+                !hasCallRedirectionRole(this) -> {
+                    requestRoleLauncher.launch(roleManager?.createRequestRoleIntent(RoleManager.ROLE_CALL_REDIRECTION))
+                }
+                else -> {
+                    prefs.isEnabled = true
+                    showConfettiAndContinue()
+                }
+            }
+        }
+    }
+
+    private fun showConfettiAndContinue() {
+        binding.appIcon.post {
+            val iconLocation = IntArray(2)
+            binding.appIcon.getLocationOnScreen(iconLocation)
+
+            val iconCenterX = iconLocation[0] + binding.appIcon.width / 2f
+            val iconCenterY = iconLocation[1] + binding.appIcon.height / 2f
+
+            val rootWidth = binding.root.width.toFloat()
+            val rootHeight = binding.root.height.toFloat()
+
+            val relativeX = (iconCenterX / rootWidth).toDouble()
+            val relativeY = (iconCenterY / rootHeight).toDouble()
+
+            binding.konfettiView.visibility = View.VISIBLE
+            binding.konfettiView.start(
+                Party(
+                    speed = 30f,
+                    maxSpeed = 50f,
+                    damping = 0.9f,
+                    spread = 360,
+                    colors = listOf(0xfce18a, 0xff726d, 0xf4306d, 0xb48def),
+                    position = Position.Relative(relativeX, relativeY),
+                    emitter = Emitter(duration = 2, TimeUnit.SECONDS).perSecond(100)
+                )
+            )
+
+            binding.konfettiView.postDelayed({
+                startActivity(Intent(this, MainActivity::class.java))
+                finish()
+            }, 2000)
+        }
+    }
+}

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

@@ -0,0 +1,74 @@
+<?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:id="@+id/rootLayout"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+    <androidx.constraintlayout.widget.ConstraintLayout
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:padding="32dp">
+
+        <LinearLayout
+            android:id="@+id/contentWrapper"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:orientation="vertical"
+            android:gravity="center_horizontal"
+            app:layout_constraintTop_toTopOf="parent"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintEnd_toEndOf="parent">
+
+            <ImageView
+                android:id="@+id/appIcon"
+                android:layout_width="96dp"
+                android:layout_height="96dp"
+                android:layout_marginBottom="8dp"
+                android:contentDescription="@string/app_name"
+                android:src="@mipmap/ic_launcher" />
+
+            <TextView
+                android:id="@+id/appName"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="@string/app_name"
+                android:textSize="20sp"
+                android:textStyle="bold"
+                android:layout_marginTop="8dp" />
+
+            <TextView
+                android:id="@+id/appDescription"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:text="@string/description"
+                android:textAlignment="center"
+                android:textSize="14sp"
+                android:layout_marginTop="8dp" />
+
+            <Button
+                android:id="@+id/activateButton"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:text="@string/activate"
+                android:layout_marginTop="32dp"
+                app:cornerRadius="24dp" />
+
+            <TextView
+                android:id="@+id/activateDescription"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:text="@string/activate_description"
+                android:textAlignment="center"
+                android:textSize="14sp"
+                android:layout_marginTop="16dp" />
+        </LinearLayout>
+    </androidx.constraintlayout.widget.ConstraintLayout>
+
+    <nl.dionsegijn.konfetti.xml.KonfettiView
+        android:id="@+id/konfettiView"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:visibility="gone" />
+</FrameLayout>

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

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
     <string name="app_name">Pulse</string>
-    <string name="description">The app will try to redirect outgoing calls to Signal/Telegram/Threema/WhatsApp if available. For work it requires many permissions. Click on the toggle and grant permissions until it turns ON.</string>
+    <string name="description">App will try to redirect outgoing calls to E2EE apps if available.</string>
     <string name="popup">Redirecting to %1$s</string>
     <string name="destination_signal">Signal</string>
     <string name="destination_telegram">Telegram</string>
@@ -10,4 +10,6 @@
     <string name="redirection_delay_description">The delay before a call will be redirected.</string>
     <string name="popup_position">Popup position</string>
     <string name="fallback">Fallback</string>
+    <string name="activate_description">To start, grant the required permissions and tap the Activate button.</string>
+    <string name="activate">Activate</string>
 </resources>