fix tslint errors

Author: Elena Hristova

demo-angular/app/app.component.ts

@@ -23,7 +23,7 @@ export class AppComponent {
                 takePicture({ width: this.width, height: this.height, keepAspectRatio: this.keepAspectRatio, saveToGallery: this.saveToGallery })
                     .then((imageAsset: any) => {
                         this.cameraImage = imageAsset;
-                        var that = this;
+                        let that = this;
                         imageAsset.getImageAsync(function (nativeImage) {
                             if (imageAsset.android) {
                                 // get the current density of the screen (dpi) and divide it by the default one to get the scale
@@ -35,7 +35,7 @@ export class AppComponent {
                                 that.actualWidth = nativeImage.size.width * that.scale;
                                 that.actualHeight = nativeImage.size.height * that.scale;
                             }
-                            that.labelText = `Displayed Size: ${that.actualWidth}x${that.actualHeight} with scale ${that.scale}\n`+
+                            that.labelText = `Displayed Size: ${that.actualWidth}x${that.actualHeight} with scale ${that.scale}\n` +
                                 `Image Size: ${Math.round(that.actualWidth / that.scale)}x${Math.round(that.actualHeight / that.scale)}`;
 
                             console.log(`${that.labelText}`);

demo/app/main-page.ts

@@ -11,8 +11,8 @@ export function navigatingTo(args: EventData) {
     let page = <Page>args.object;
     let picturePath = null;
 
-    page.bindingContext = fromObject({ 
-        cameraImage: picturePath, 
+    page.bindingContext = fromObject({
+        cameraImage: picturePath,
         saveToGallery: false,
         keepAspectRatio: true,
         width: 320,
@@ -45,7 +45,7 @@ export function onTakePictureTap(args: EventData) {
                             actualWidth = nativeImage.size.width * scale;
                             actualHeight = nativeImage.size.height * scale;
                         }
-                        let labelText = `Displayed Size: ${actualWidth}x${actualHeight} with scale ${scale}\n`+
+                        let labelText = `Displayed Size: ${actualWidth}x${actualHeight} with scale ${scale}\n` +
                             `Image Size: ${Math.round(actualWidth / scale)}x${Math.round(actualHeight / scale)}`;
                         page.bindingContext.set("labelText", labelText);
 

src/camera.android.ts

@@ -129,7 +129,7 @@ export let takePicture = function (options?): Promise<any> {
                             let pictureHeight = exif.getAttributeInt(android.media.ExifInterface.TAG_IMAGE_LENGTH, 0);
                             let isPictureLandscape = pictureWidth > pictureHeight;
                             let areOptionsLandscape = reqWidth > reqHeight;
-                            if (isPictureLandscape != areOptionsLandscape) {
+                            if (isPictureLandscape !== areOptionsLandscape) {
                                 let oldReqWidth = reqWidth;
                                 reqWidth = reqHeight;
                                 reqHeight = oldReqWidth;

src/camera.ios.ts

@@ -96,7 +96,7 @@ class UIImagePickerControllerDelegateImpl extends NSObject implements UIImagePic
         if (this._keepAspectRatio) {
             let isPictureLandscape = imageAsset.nativeImage.size.width > imageAsset.nativeImage.size.height;
             let areOptionsLandscape = this._width > this._height;
-            if (isPictureLandscape != areOptionsLandscape) {
+            if (isPictureLandscape !== areOptionsLandscape) {
                 let oldWidth = this._width;
                 this._width = this._height;
                 this._height = oldWidth;