WIP ask for permission on runtime

Author: SaulNunez

app/build.gradle

@@ -49,5 +49,6 @@ dependencies {
     androidTestImplementation 'androidx.test.espresso:espresso-core:3.6.1'
     implementation 'com.github.zagum:Android-SwitchIcon:1.4.0'
     implementation 'androidx.fragment:fragment-ktx:1.8.6'
+    implementation 'com.github.cesarferreira:MaterialComponent.Banner:0.14.0'
 
 }

app/src/main/AndroidManifest.xml

@@ -1,6 +1,10 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android">
 
+    <uses-feature
+        android:name="android.hardware.telephony"
+        android:required="false" />
+
     <uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" />
     <uses-permission android:name="android.permission.FOREGROUND_SERVICE"/>
     <uses-permission android:name="android.permission.FOREGROUND_SERVICE_MEDIA_PLAYBACK" />

app/src/main/java/com/saulnunez/help/HelpMain.kt

@@ -1,19 +1,28 @@
 package com.saulnunez.help
 
+import android.content.pm.PackageManager
 import androidx.appcompat.app.AppCompatActivity
 import android.os.Bundle
+import androidx.activity.result.contract.ActivityResultContracts
+import androidx.core.content.ContextCompat
 import androidx.fragment.app.commit
 import androidx.fragment.app.replace
 import com.saulnunez.help.databinding.ActivityHelpMainBinding
 
 class HelpMain : AppCompatActivity() {
+    private val requestedPermissions = listOf(
+        android.Manifest.permission.ACCESS_FINE_LOCATION,
+        android.Manifest.permission.SEND_SMS)
+
     private lateinit var binding: ActivityHelpMainBinding
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
 
         binding = ActivityHelpMainBinding.inflate(layoutInflater)
         setContentView(binding.root)
 
+        setSupportActionBar(binding.topAppBar)
+
         binding.bottomNavigation.setOnItemSelectedListener {
             when(it.itemId){
                 R.id.sound_page -> {
@@ -34,6 +43,36 @@ class HelpMain : AppCompatActivity() {
             }
         }
 
-        setSupportActionBar(binding.topAppBar)
+        val requestPermissionLauncher =
+            registerForActivityResult(
+                ActivityResultContracts.RequestMultiplePermissions()
+            ) { map: Map<String, @JvmSuppressWildcards Boolean> ->
+                if (map.containsValue(false)) {
+                    // Explain to the user that the feature is unavailable because the
+                    // feature requires a permission that the user has denied. At the
+                    // same time, respect the user's decision. Don't link to system
+                    // settings in an effort to convince the user to change their
+                    // decision.
+                }
+            }
+
+        if(hasAllPermissions()){
+            binding.banner.dismiss()
+        }else{
+            binding.banner.show()
+        }
+
+        binding.banner.setLeftButtonAction { binding.banner.dismiss() }
+        binding.banner.setRightButtonAction {
+            requestPermissionLauncher.launch(
+                requestedPermissions.toTypedArray()
+            )
+            binding.banner.dismiss()
+        }
+    }
+
+    private fun hasAllPermissions(): Boolean {
+        return requestedPermissions
+            .all { ContextCompat.checkSelfPermission(this, it) == PackageManager.PERMISSION_GRANTED }
     }
 }

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

@@ -9,11 +9,24 @@
     <com.google.android.material.appbar.MaterialToolbar
         android:id="@+id/topAppBar"
         android:layout_width="match_parent"
-        android:layout_height="?attr/actionBarSize"
+        android:layout_height="wrap_content"
+        android:background="?attr/colorSurface"
         app:layout_constraintTop_toTopOf="parent"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toStartOf="parent" />
 
+    <com.cesar.materialcomponents.Banner
+        android:id="@+id/banner"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        app:layout_constraintTop_toBottomOf="@id/topAppBar"
+        app:bannerBackgroundColor="?attr/colorSurface"
+        app:buttonsTextColor="@color/md_theme_light_primary"
+        app:contentText="@string/not_all_permissions_set"
+        app:contentTextColor="@color/md_theme_light_onBackground"
+        app:leftButtonText="@string/ignore"
+        app:rightButtonText="@string/fix" />
+
     <androidx.fragment.app.FragmentContainerView
         android:id="@+id/fragment_container_view"
         android:name="com.saulnunez.help.SoundFragment"
@@ -22,11 +35,11 @@
         app:layout_constraintBottom_toBottomOf="@id/bottom_navigation"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toBottomOf="@id/topAppBar" />
+        app:layout_constraintTop_toBottomOf="@id/banner" />
 
     <com.google.android.material.bottomnavigation.BottomNavigationView
         android:id="@+id/bottom_navigation"
-        android:layout_width="0dp"
+        android:layout_width="match_parent"
         android:layout_height="wrap_content"
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintEnd_toEndOf="parent"

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

@@ -16,4 +16,7 @@
     <string name="sixty_minutes">60 minutes</string>
     <string name="ninety_minutes">90 minutes</string>
     <string name="settings">Settings</string>
+    <string name="not_all_permissions_set">Some permissions have not been granted. Without them Help will not be able to provide full functionality.</string>
+    <string name="fix">Fix</string>
+    <string name="ignore">Ignore</string>
 </resources>