feat(android): camerax, preview config, photo size, whitebalance, zoom (

#141)

README.md

@@ -46,6 +46,19 @@
 tns plugin add @nstudio/nativescript-camera-plus
 ```
 
+**Note :- Android**
+ Please add the following to your app.gradle
+
+ ```gradle
+android {
+...
+  compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
+}
+```
+
 ## Sample
 
 _Yes the camera is rotated because it's a webcam to an emulator and it's just the way life works_

demo/app/App_Resources/Android/app.gradle

@@ -8,9 +8,17 @@
 android {  
   defaultConfig {  
     generatedDensities = []
-    applicationId = "org.nativescript.demo"  
   }  
   aaptOptions {  
     additionalParameters "--no-version-vectors"  
   }  
+
+  compileOptions {
+    sourceCompatibility JavaVersion.VERSION_1_8
+    targetCompatibility JavaVersion.VERSION_1_8
+}
 } 
+
+project.ext {
+  kotlinVersion = "1.4.20"
+}

demo/app/main-page.ts

@@ -1,21 +1,32 @@
 import * as observable from '@nativescript/core/data/observable';
 import * as pages from '@nativescript/core/ui/page';
-import { HelloWorldModel } from './main-view-model';
+import {CameraPlus} from '@nstudio/nativescript-camera-plus';
+import {HelloWorldModel} from './main-view-model';
 
 // Event handler for Page 'loaded' event attached in main-page.xml
 export function pageLoaded(args: observable.EventData) {
-  // Get the event sender
-  const page = <pages.Page>args.object;
-  page.bindingContext = new HelloWorldModel(page);
+    // Get the event sender
+    const page = <pages.Page>args.object;
+    page.bindingContext = new HelloWorldModel(page);
 }
 
 export function camLoaded(args: any) {
-  console.log(`cam loaded event`);
-
-  try {
-    const flashMode = args.object.getFlashMode();
-    console.log(`flashMode in loaded event = ${flashMode}`);
-  } catch (e) {
-    console.log(e);
-  }
+    const cam = args.object as CameraPlus;
+    console.log(`cam loaded event`);
+    const handle = () => {
+        console.log('sizes', cam.getAvailablePictureSizes('16:9'));
+        cam.autoFocus = true;
+        try {
+            const flashMode = args.object.getFlashMode();
+            console.log(`flashMode in loaded event = ${flashMode}`);
+        } catch (e) {
+            console.log(e);
+        }
+    };
+    if (!cam.hasCameraPermission()) {
+        cam.requestCameraPermissions()
+            .then(() => handle());
+    } else {
+        handle();
+    }
 }