[image_picker] remove unnecessary camera permmision (#1268)

fixed flutter/flutter#19806

Author: ivk1800

packages/image_picker/android/src/main/AndroidManifest.xml

@@ -2,7 +2,6 @@
   package="io.flutter.plugins.imagepicker">
    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"/>
    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
-   <uses-permission android:name="android.permission.CAMERA"/>
 
     <application>
         <provider

packages/image_picker/android/src/main/java/io/flutter/plugins/imagepicker/ImagePickerDelegate.java

@@ -68,11 +68,9 @@ public class ImagePickerDelegate
   @VisibleForTesting static final int REQUEST_CODE_CHOOSE_IMAGE_FROM_GALLERY = 2342;
   @VisibleForTesting static final int REQUEST_CODE_TAKE_IMAGE_WITH_CAMERA = 2343;
   @VisibleForTesting static final int REQUEST_EXTERNAL_IMAGE_STORAGE_PERMISSION = 2344;
-  @VisibleForTesting static final int REQUEST_CAMERA_IMAGE_PERMISSION = 2345;
   @VisibleForTesting static final int REQUEST_CODE_CHOOSE_VIDEO_FROM_GALLERY = 2352;
   @VisibleForTesting static final int REQUEST_CODE_TAKE_VIDEO_WITH_CAMERA = 2353;
   @VisibleForTesting static final int REQUEST_EXTERNAL_VIDEO_STORAGE_PERMISSION = 2354;
-  @VisibleForTesting static final int REQUEST_CAMERA_VIDEO_PERMISSION = 2355;
 
   @VisibleForTesting final String fileProviderName;
 
@@ -212,12 +210,6 @@ public void takeVideoWithCamera(MethodCall methodCall, MethodChannel.Result resu
       return;
     }
 
-    if (!permissionManager.isPermissionGranted(Manifest.permission.CAMERA)) {
-      permissionManager.askForPermission(
-          Manifest.permission.CAMERA, REQUEST_CAMERA_VIDEO_PERMISSION);
-      return;
-    }
-
     launchTakeVideoWithCameraIntent();
   }
 
@@ -268,12 +260,6 @@ public void takeImageWithCamera(MethodCall methodCall, MethodChannel.Result resu
       return;
     }
 
-    if (!permissionManager.isPermissionGranted(Manifest.permission.CAMERA)) {
-      permissionManager.askForPermission(
-          Manifest.permission.CAMERA, REQUEST_CAMERA_IMAGE_PERMISSION);
-      return;
-    }
-
     launchTakeImageWithCameraIntent();
   }
 
@@ -347,16 +333,6 @@ public boolean onRequestPermissionsResult(
           launchPickVideoFromGalleryIntent();
         }
         break;
-      case REQUEST_CAMERA_IMAGE_PERMISSION:
-        if (permissionGranted) {
-          launchTakeImageWithCameraIntent();
-        }
-        break;
-      case REQUEST_CAMERA_VIDEO_PERMISSION:
-        if (permissionGranted) {
-          launchTakeVideoWithCameraIntent();
-        }
-        break;
       default:
         return false;
     }

packages/image_picker/example/android/app/src/test/java/io/flutter/plugins/imagepicker/ImagePickerDelegateTest.java

@@ -128,46 +128,6 @@ public void takeImageWithCamera_WhenPendingResultExists_FinishesWithAlreadyActiv
     verifyNoMoreInteractions(mockResult);
   }
 
-  @Test
-  public void takeImageWithCamera_WhenHasNoCameraPermission_RequestsForPermission() {
-    when(mockPermissionManager.isPermissionGranted(Manifest.permission.CAMERA)).thenReturn(false);
-
-    ImagePickerDelegate delegate = createDelegate();
-    delegate.takeImageWithCamera(mockMethodCall, mockResult);
-
-    verify(mockPermissionManager)
-        .askForPermission(
-            Manifest.permission.CAMERA, ImagePickerDelegate.REQUEST_CAMERA_IMAGE_PERMISSION);
-  }
-
-  @Test
-  public void
-      takeImageWithCamera_WhenHasCameraPermission_AndAnActivityCanHandleCameraIntent_LaunchesTakeWithCameraIntent() {
-    when(mockPermissionManager.isPermissionGranted(Manifest.permission.CAMERA)).thenReturn(true);
-    when(mockIntentResolver.resolveActivity(any(Intent.class))).thenReturn(true);
-
-    ImagePickerDelegate delegate = createDelegate();
-    delegate.takeImageWithCamera(mockMethodCall, mockResult);
-
-    verify(mockActivity)
-        .startActivityForResult(
-            any(Intent.class), eq(ImagePickerDelegate.REQUEST_CODE_TAKE_IMAGE_WITH_CAMERA));
-  }
-
-  @Test
-  public void
-      takeImageWithCamera_WhenHasCameraPermission_AndNoActivityToHandleCameraIntent_FinishesWithNoCamerasAvailableError() {
-    when(mockPermissionManager.isPermissionGranted(Manifest.permission.CAMERA)).thenReturn(true);
-    when(mockIntentResolver.resolveActivity(any(Intent.class))).thenReturn(false);
-
-    ImagePickerDelegate delegate = createDelegate();
-    delegate.takeImageWithCamera(mockMethodCall, mockResult);
-
-    verify(mockResult)
-        .error("no_available_camera", "No cameras available for taking pictures.", null);
-    verifyNoMoreInteractions(mockResult);
-  }
-
   @Test
   public void
       onRequestPermissionsResult_WhenReadExternalStoragePermissionDenied_FinishesWithNull() {
@@ -212,51 +172,6 @@ public void takeImageWithCamera_WhenHasNoCameraPermission_RequestsForPermission(
             any(Intent.class), eq(ImagePickerDelegate.REQUEST_CODE_CHOOSE_VIDEO_FROM_GALLERY));
   }
 
-  @Test
-  public void onRequestPermissionsResult_WhenCameraPermissionDenied_FinishesWithNull() {
-    ImagePickerDelegate delegate = createDelegateWithPendingResultAndMethodCall();
-
-    delegate.onRequestPermissionsResult(
-        ImagePickerDelegate.REQUEST_CAMERA_IMAGE_PERMISSION,
-        new String[] {Manifest.permission.CAMERA},
-        new int[] {PackageManager.PERMISSION_DENIED});
-
-    verify(mockResult).success(null);
-    verifyNoMoreInteractions(mockResult);
-  }
-
-  @Test
-  public void
-      onRequestTakeVideoPermissionsResult_WhenCameraPermissionGranted_LaunchesTakeVideoWithCameraIntent() {
-    when(mockIntentResolver.resolveActivity(any(Intent.class))).thenReturn(true);
-
-    ImagePickerDelegate delegate = createDelegateWithPendingResultAndMethodCall();
-    delegate.onRequestPermissionsResult(
-        ImagePickerDelegate.REQUEST_CAMERA_VIDEO_PERMISSION,
-        new String[] {Manifest.permission.CAMERA},
-        new int[] {PackageManager.PERMISSION_GRANTED});
-
-    verify(mockActivity)
-        .startActivityForResult(
-            any(Intent.class), eq(ImagePickerDelegate.REQUEST_CODE_TAKE_VIDEO_WITH_CAMERA));
-  }
-
-  @Test
-  public void
-      onRequestTakeImagePermissionsResult_WhenCameraPermissionGranted_LaunchesTakeWithCameraIntent() {
-    when(mockIntentResolver.resolveActivity(any(Intent.class))).thenReturn(true);
-
-    ImagePickerDelegate delegate = createDelegateWithPendingResultAndMethodCall();
-    delegate.onRequestPermissionsResult(
-        ImagePickerDelegate.REQUEST_CAMERA_IMAGE_PERMISSION,
-        new String[] {Manifest.permission.CAMERA},
-        new int[] {PackageManager.PERMISSION_GRANTED});
-
-    verify(mockActivity)
-        .startActivityForResult(
-            any(Intent.class), eq(ImagePickerDelegate.REQUEST_CODE_TAKE_IMAGE_WITH_CAMERA));
-  }
-
   @Test
   public void onActivityResult_WhenPickFromGalleryCanceled_FinishesWithNull() {
     ImagePickerDelegate delegate = createDelegateWithPendingResultAndMethodCall();