Messaging: Replace permission requests with launchers

Change-Id: I0d12fd05fb0abaeb9bd64c8c77e0e776d5459e4d

src/com/android/messaging/ui/mediapicker/AudioMediaChooser.java

@@ -18,11 +18,13 @@
 package com.android.messaging.ui.mediapicker;
 
 import android.Manifest;
-import android.content.pm.PackageManager;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
 
+import androidx.activity.result.ActivityResultLauncher;
+import androidx.activity.result.contract.ActivityResultContracts;
+
 import com.android.messaging.R;
 import com.android.messaging.datamodel.data.MessagePartData;
 import com.android.messaging.util.OsUtil;
@@ -34,9 +36,18 @@ class AudioMediaChooser extends MediaChooser implements
         AudioRecordView.HostInterface {
     private View mEnabledView;
     private View mMissingPermissionView;
+    private final ActivityResultLauncher<String> mRequestPermissionLauncher;
 
     AudioMediaChooser(final MediaPicker mediaPicker) {
         super(mediaPicker);
+        mRequestPermissionLauncher = mediaPicker.registerForActivityResult(
+                new ActivityResultContracts.RequestPermission(), granted -> {
+                    if (mEnabledView == null) {
+                        return;
+                    }
+                    mEnabledView.setVisibility(granted ? View.VISIBLE : View.GONE);
+                    mMissingPermissionView.setVisibility(granted ? View.GONE : View.VISIBLE);
+        });
     }
 
     @Override
@@ -115,21 +126,6 @@ class AudioMediaChooser extends MediaChooser implements
     }
 
     private void requestRecordAudioPermission() {
-        mMediaPicker.requestPermissions(new String[] { Manifest.permission.RECORD_AUDIO },
-                MediaPicker.RECORD_AUDIO_PERMISSION_REQUEST_CODE);
-    }
-
-    @Override
-    protected void onRequestPermissionsResult(
-            final int requestCode, final String[] permissions, final int[] grantResults) {
-        if (requestCode == MediaPicker.RECORD_AUDIO_PERMISSION_REQUEST_CODE) {
-            final boolean permissionGranted = grantResults[0] == PackageManager.PERMISSION_GRANTED;
-            // onRequestPermissionsResult can sometimes get called before createView().
-            if (mEnabledView == null) {
-                return;
-            }
-            mEnabledView.setVisibility(permissionGranted ? View.VISIBLE : View.GONE);
-            mMissingPermissionView.setVisibility(permissionGranted ? View.GONE : View.VISIBLE);
-        }
+        mRequestPermissionLauncher.launch(Manifest.permission.RECORD_AUDIO);
     }
 }

src/com/android/messaging/ui/mediapicker/CameraMediaChooser.java

@@ -48,6 +48,7 @@ class CameraMediaChooser extends MediaChooser {
     private View mMissingPermissionView;
     private final ActivityResultLauncher<Uri> mPictureLauncher;
     private final ActivityResultLauncher<Uri> mVideoLauncher;
+    private final ActivityResultLauncher<String> mRequestPermissionLauncher;
     private final DocumentImagePicker mDocumentImagePicker;
     private Uri mOutputUri;
 
@@ -83,6 +84,10 @@ class CameraMediaChooser extends MediaChooser {
                                 true /* dismissMediaPicker */);
                     }
                 });
+        mRequestPermissionLauncher = mediaPicker.registerForActivityResult(
+                new ActivityResultContracts.RequestPermission(), granted -> {
+                    updateForPermissionState(granted);
+                });
     }
 
     @Override
@@ -152,22 +157,11 @@ class CameraMediaChooser extends MediaChooser {
     }
 
     private void requestCameraPermission() {
-        mMediaPicker.requestPermissions(new String[] { Manifest.permission.CAMERA },
-                MediaPicker.CAMERA_PERMISSION_REQUEST_CODE);
+        mRequestPermissionLauncher.launch(Manifest.permission.CAMERA);
     }
 
     private void requestRecordAudioPermission() {
-        mMediaPicker.requestPermissions(new String[] { Manifest.permission.RECORD_AUDIO },
-                MediaPicker.RECORD_AUDIO_PERMISSION_REQUEST_CODE);
-    }
-
-    @Override
-    protected void onRequestPermissionsResult(
-            final int requestCode, final String[] permissions, final int[] grantResults) {
-        if (requestCode == MediaPicker.CAMERA_PERMISSION_REQUEST_CODE) {
-            final boolean permissionGranted = grantResults[0] == PackageManager.PERMISSION_GRANTED;
-            updateForPermissionState(permissionGranted);
-        }
+        mRequestPermissionLauncher.launch(Manifest.permission.RECORD_AUDIO);
     }
 
     private void updateForPermissionState(final boolean granted) {