Merge pull request #152 from NativeScript/lini/fix-demo-crash

fix: demo crash when camera does not return image

Author: tbozhikov

demo-angular/app/app.component.ts

@@ -24,7 +24,13 @@ export class AppComponent {
                     .then((imageAsset: any) => {
                         this.cameraImage = imageAsset;
                         let that = this;
-                        imageAsset.getImageAsync(function (nativeImage) {
+                        imageAsset.getImageAsync(function (nativeImage, ex) {
+                            if (ex instanceof Error) {
+                                throw ex;
+                            } else if (typeof ex === "string") {
+                                throw new Error(ex);
+                            }
+
                             if (imageAsset.android) {
                                 // get the current density of the screen (dpi) and divide it by the default one to get the scale
                                 that.scale = nativeImage.getDensity() / android.util.DisplayMetrics.DENSITY_DEFAULT;

demo-angular/app/package.json

@@ -1,47 +1,10 @@
 {
-    "private": false,
-    "nativescript": {
-        "id": "org.nativescript.helloworldng"
-    },
     "name": "tns-template-hello-world-ng",
     "main": "main.js",
     "version": "2.3.3",
-    "author": "Telerik <support@telerik.com>",
-    "description": "Nativescript Angular Hello World template",
-    "license": "BSD",
-    "keywords": [
-        "telerik",
-        "mobile",
-        "angular",
-        "nativescript",
-        "{N}",
-        "tns",
-        "appbuilder",
-        "template"
-    ],
-    "repository": {
-        "type": "git",
-        "url": "git://github.com/NativeScript/template-hello-world-ng"
-    },
-    "homepage": "https://github.com/NativeScript/template-hello-world-ng",
     "android": {
         "v8Flags": "--expose_gc",
+        "markingMode": "none",
 		"requireModules": ["nativescript-camera"]
-    },
-    "dependencies": {
-        "nativescript-angular": "1.1.0",
-        "@angular/core": "2.1.0",
-        "@angular/common": "2.1.0",
-        "@angular/compiler": "2.1.0",
-        "@angular/http": "2.1.0",
-        "@angular/platform-browser": "2.1.0",
-        "@angular/platform-browser-dynamic": "2.1.0",
-        "@angular/forms": "2.1.0",
-        "@angular/router": "3.1.0",
-        "reflect-metadata": "~0.1.8"
-    },
-    "devDependencies": {
-        "zone.js": "~0.6.21",
-        "nativescript-dev-typescript": "^0.3.2"
     }
 }

src/camera.android.ts

@@ -1,14 +1,12 @@
 import * as typesModule from "tns-core-modules/utils/types";
 import * as utilsModule from "tns-core-modules/utils/utils";
 import * as applicationModule from "tns-core-modules/application/application";
-import * as imageSourceModule from "tns-core-modules/image-source/image-source";
 import * as imageAssetModule from "tns-core-modules/image-asset/image-asset";
 import * as trace from "tns-core-modules/trace/trace";
 import * as platform from "tns-core-modules/platform/platform";
 import * as permissions from "nativescript-permissions";
 
 let REQUEST_IMAGE_CAPTURE = 3453;
-let REQUEST_REQUIRED_PERMISSIONS = 1234;
 
 export let takePicture = function (options?): Promise<any> {
     return new Promise((resolve, reject) => {