cleanup

Author: EddyVerbruggen

src/mlkit/mlkit-cameraview.android.ts

@@ -94,14 +94,14 @@ export abstract class MLKitCameraView extends MLKitCameraViewBase {
     application.on("resume", arg => this.runCamera());
   }
 
-  private hasCamera() {
+  private hasCamera(): boolean {
     return !!utils.ad
         .getApplicationContext()
         .getPackageManager()
         .hasSystemFeature("android.hardware.camera");
   }
 
-  private initView(nativeView) {
+  private initView(nativeView): void {
     this.surfaceView = new android.view.SurfaceView(utils.ad.getApplicationContext());
     nativeView.addView(this.surfaceView);
     this.runCamera();

src/mlkit/mlkit-cameraview.ios.ts

@@ -31,7 +31,7 @@ export abstract class MLKitCameraView extends MLKitCameraViewBase {
     return v;
   }
 
-  private canUseCamera() {
+  private canUseCamera(): boolean {
     try {
       return !!AVCaptureDeviceDiscoverySession &&
           AVCaptureDevice.defaultDeviceWithMediaType(AVMediaTypeVideo) !== null &&
@@ -41,7 +41,7 @@ export abstract class MLKitCameraView extends MLKitCameraViewBase {
     }
   }
 
-  private initView() {
+  private initView(): void {
     // find a suitable device
     this.captureDevice = AVCaptureDeviceDiscoverySession.discoverySessionWithDeviceTypesMediaTypePosition(
         <any>[AVCaptureDeviceTypeBuiltInWideAngleCamera],