feat(camera): option to select front or back

react-native-image-picker · Mar 15, 2021 · c57569a · c57569a
1 parent 251950c
commit c57569a
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Showing 7 changed files with 35 additions and 2 deletions.
diff --git a/README.md b/README.md
@@ -87,6 +87,7 @@ The `callback` will be called with a response object, refer to [The Response Obj
 | videoQuality  | OK  | OK      | 'low', 'medium', or 'high' on iOS, 'low' or 'high' on Android                                     |
 | durationLimit | OK  | OK      | Video max duration in seconds                                                                     |
 | quality       | OK  | OK      | 0 to 1, photos                                                                                    |
+| cameraType    | OK  | OK      | 'back' or 'front'. May not be supported in few android devices                                    |
 | includeBase64 | OK  | OK      | If true, creates base64 string of the image (Avoid using on large image files due to performance) |
 | saveToPhotos  | OK  | OK      | (Boolean) Only for launchCamera, saves the image/video file captured to public photo              |
 

diff --git a/android/src/main/java/com/imagepicker/ImagePickerModule.java b/android/src/main/java/com/imagepicker/ImagePickerModule.java
@@ -85,6 +85,11 @@ public void launchCamera(final ReadableMap options, final Callback callback) {
             cameraIntent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
             cameraCaptureURI = createUri(createFile(reactContext, "jpg"), reactContext);
         }
+
+        if (this.options.useFrontCamera) {
+            setFrontCamera(cameraIntent);
+        }
+
         cameraIntent.putExtra(MediaStore.EXTRA_OUTPUT, cameraCaptureURI);
 
         if (cameraIntent.resolveActivity(reactContext.getPackageManager()) == null) {

diff --git a/android/src/main/java/com/imagepicker/Options.java b/android/src/main/java/com/imagepicker/Options.java
@@ -12,6 +12,7 @@ public class Options {
     int maxHeight;
     Boolean saveToPhotos;
     int durationLimit;
+    Boolean useFrontCamera = false;
 
 
     Options(ReadableMap options) {
@@ -25,6 +26,10 @@ public class Options {
             videoQuality = 0;
         }
 
+        if (options.getString("cameraType").equals("front")) {
+            useFrontCamera = true;
+        }
+
         quality = (int) (options.getDouble("quality") * 100);
         maxHeight = options.getInt("maxHeight");
         maxWidth = options.getInt("maxWidth");

diff --git a/android/src/main/java/com/imagepicker/Utils.java b/android/src/main/java/com/imagepicker/Utils.java
@@ -5,11 +5,14 @@
 import android.content.ContentResolver;
 import android.content.ContentValues;
 import android.content.Context;
+import android.content.Intent;
 import android.content.pm.PackageManager;
 import android.database.Cursor;
 import android.graphics.Bitmap;
 import android.graphics.BitmapFactory;
+import android.hardware.camera2.CameraCharacteristics;
 import android.net.Uri;
+import android.os.Build;
 import android.os.ParcelFileDescriptor;
 import android.provider.MediaStore;
 import android.provider.OpenableColumns;
@@ -116,6 +119,18 @@ public static boolean isCameraAvailable(Context reactContext) {
                 || reactContext.getPackageManager().hasSystemFeature(PackageManager.FEATURE_CAMERA_ANY);
     }
 
+    // Opening front camera is not officially supported in android, the below hack is obtained from various online sources
+    public static void setFrontCamera(Intent intent) {
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP_MR1) {
+            intent.putExtra("android.intent.extras.CAMERA_FACING", CameraCharacteristics.LENS_FACING_FRONT);
+            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+                intent.putExtra("android.intent.extra.USE_FRONT_CAMERA", true);
+            }
+        } else {
+            intent.putExtra("android.intent.extras.CAMERA_FACING", 1);
+        }
+    }
+
     public static int[] getImageDimensions(Uri uri, Context reactContext) {
         InputStream inputStream;
         try {

diff --git a/ios/ImagePickerUtils.m b/ios/ImagePickerUtils.m
@@ -6,7 +6,12 @@ @implementation ImagePickerUtils
 + (void) setupPickerFromOptions:(UIImagePickerController *)picker options:(NSDictionary *)options target:(RNImagePickerTarget)target {
     if (target == camera) {
         picker.sourceType = UIImagePickerControllerSourceTypeCamera;
-        picker.cameraDevice = UIImagePickerControllerCameraDeviceRear;
+
+        if ([options[@"cameraType"] isEqualToString:@"front"]) {
+            picker.cameraDevice = UIImagePickerControllerCameraDeviceFront;
+        } else {
+            picker.cameraDevice = UIImagePickerControllerCameraDeviceRear;
+        }
     }
     else {
         picker.sourceType = UIImagePickerControllerSourceTypePhotoLibrary;

diff --git a/src/index.ts b/src/index.ts
@@ -11,7 +11,8 @@ const DEFAULT_OPTIONS: CameraOptions = {
   maxHeight: 0,
   includeBase64: false,
   saveToPhotos: false,
-  durationLimit: 0
+  durationLimit: 0,
+  cameraType: 'back'
 };
 
 export function launchCamera(options: CameraOptions, callback: Callback) {

diff --git a/src/types.ts b/src/types.ts
@@ -12,6 +12,7 @@ export interface ImageLibraryOptions {
 export interface CameraOptions extends ImageLibraryOptions {
   durationLimit?: number;
   saveToPhotos?: boolean;
+  cameraType?: string;
 }
 
 export interface ImagePickerResponse {