Merge pull request #67 from NativeScript/tachev/rebase-cancel-pr

Rebased PR #65 fixing its lint error

Author: Dimitar Tachev

README.md

@@ -55,7 +55,7 @@ camera.requestPermissions();
 | height | 0 | Defines the desired height (in device independent pixels) of the taken image. It should be used with width property. If `keepAspectRatio` actual image width could be different in order to keep the aspect ratio of the original camera image. The actual image height will be greater than requested if the display density of the device is higher (than 1) (full HD+ resolutions). |
 | keepAspectRatio | true | Defines if camera picture aspect ratio should be kept during picture resizing. This property could affect width or height return values. |
 | saveToGallery | false | Defines if camera picture should be copied to photo Gallery (Android) or Photos (iOS) |
-| cameraFacing | rear | The initial camera facing. |
+| cameraFacing | rear | The initial camera facing. Use 'front' for selfies. |
 
 ## Usage 
 

src/camera.android.ts

@@ -82,6 +82,9 @@ export let takePicture = function (options?): Promise<any> {
 
                 let appModule: typeof applicationModule = require("tns-core-modules/application");
 
+                // Remove previous listeners if any
+                appModule.android.off("activityResult");
+
                 appModule.android.on("activityResult", (args) => {
                     const requestCode = args.requestCode;
                     const resultCode = args.resultCode;