add android flag secure, pubspec vewrsion bump, and stubs for sdk31 hide overlay

android/app/src/main/AndroidManifest.xml

@@ -50,6 +50,10 @@
          Allows app to use ACTION_IGNORE_BATTERY_OPTIMIZATION_SETTINGS -->
     <uses-permission-sdk-23 android:name="android.permission.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS" />
 
+    <!-- TODO when we support sdk 31
+    <uses-permission-sdk-23 android:name="android.permission.HIDE_OVERLAY_WINDOWS" />
+    -->
+
     <!--Needed to check if activity is foregrounded or if messages from the service should be queued-->
     <uses-permission android:name="android.permission.GET_TASKS" />
 

android/app/src/main/kotlin/im/cwtch/flwtch/MainActivity.kt

@@ -12,6 +12,7 @@ import android.os.PowerManager
 import android.provider.Settings.ACTION_REQUEST_IGNORE_BATTERY_OPTIMIZATIONS
 import android.util.Log
 import android.view.Window
+import android.view.WindowManager
 import androidx.annotation.NonNull
 import androidx.lifecycle.Observer
 import androidx.localbroadcastmanager.content.LocalBroadcastManager
@@ -71,6 +72,20 @@ class MainActivity: FlutterActivity() {
     private var dlToFileKey = ""
     private var exportFromPath = ""
 
+    override fun onCreate(savedInstanceState: android.os.Bundle?) {
+        super.onCreate(savedInstanceState)
+        window.setFlags(WindowManager.LayoutParams.FLAG_SECURE, WindowManager.LayoutParams.FLAG_SECURE)
+        // Todo: when we support SDK 31
+        // hideOverlay()
+    }
+
+    /*
+    @TargetApi(31)
+    fun hideOverlay() {
+        window.setHideOverlayWindows(true);
+    }
+    */
+
     // handles clicks received from outside the app (ie, notifications)
     override fun onNewIntent(intent: Intent) {
         super.onNewIntent(intent)

pubspec.yaml

@@ -15,7 +15,7 @@ publish_to: 'none' # Remove this line if you wish to publish to pub.dev
 # In iOS, build-name is used as CFBundleShortVersionString while build-number used as CFBundleVersion.
 # Read more about iOS versioning at
 # https://developer.apple.com/library/archive/documentation/General/Reference/InfoPlistKeyReference/Articles/CoreFoundationKeys.html
-version: 1.6.2+27
+version: 1.7.0+28
 
 environment:
   sdk: ">=2.15.0 <3.0.0"