Fixed auth on iOS, improved iSPEX and PlantNet Plugins

src/app/mobisplugins/plantnet/preview/preview.page.ts

@@ -0,0 +1,56 @@
+import { Component, OnInit } from '@angular/core';
+import { Plugins } from "@capacitor/core"
+const { CameraPreview } = Plugins;
+import { CameraPreviewOptions, CameraPreviewPictureOptions } from '@capacitor-community/camera-preview';
+import '@capacitor-community/camera-preview';
+import { ModalController } from '@ionic/angular';
+
+@Component({
+  selector: 'app-preview',
+  templateUrl: './preview.page.html',
+  styleUrls: ['./preview.page.scss'],
+})
+export class PreviewPage implements OnInit {
+  image ="";
+  cameraActive = false;
+  constructor(private modal: ModalController) { }
+
+  ngOnInit() {
+    this.launchCamera();
+  }
+
+  launchCamera() {
+    const cameraPreviewOptions: CameraPreviewOptions = {
+      position: 'front', // front or rear
+      parent: 'content', // the id on the ion-content
+      className: '',
+      width: window.screen.width, //width of the camera display
+      height: window.screen.height - 200, //height of the camera
+      toBack: false,
+      disableAudio: true,
+      enableHighResolution: true,
+    };
+    CameraPreview['start'](cameraPreviewOptions);
+    this.cameraActive = true;
+  }
+
+  async takePicture() {
+    const cameraPreviewPictureOptions: CameraPreviewPictureOptions = {
+      quality: 90
+    };
+    const result = await CameraPreview['capture'](cameraPreviewPictureOptions);
+    this.image = `data:image/jpeg;base64,${result.value}`;
+    this.stopCamera();
+  }
+
+  async stopCamera() {
+    await CameraPreview['stop']();
+    this.modal.dismiss(this.image);
+  }
+
+  async flipCamera() {
+    await CameraPreview['flip']();
+  }
+
+
+}