fix

src/app/models/fileType.ts

@@ -0,0 +1,11 @@
+export let FileType:
+"image/apng" |
+"image/bmp" |
+"image/gif" |
+"image/jpeg" |
+"image/pjpeg" |
+"image/png" |
+"image/svg+xml" |
+"image/tiff" |
+"image/webp" |
+"image/x-icon"

src/app/services/file/file-loader.service.ts

@@ -1,17 +1,27 @@
 import { Injectable } from '@angular/core';
+import { FileType } from 'src/app/models/fileType';
+
+
+interface createInput  {
+  type?: string
+  accept: typeof FileType[]
+}
 
 @Injectable({
   providedIn: 'root'
 })
 export class FileLoaderService {
 
+  nice : typeof FileType
   constructor() { }
 
 
-  createInput({ type = 'file'}): HTMLInputElement {
+  createInput(param:createInput): HTMLInputElement {
    
     let input = document.createElement('input');
-    input.type = type;
+    input.type = param.type || 'file';
+    input.accept = param.accept.join(', ')
+    
 
     // input.onchange = () => {
     //   // you can use this method to get file and perform respective operations
@@ -24,4 +34,10 @@ export class FileLoaderService {
     return input
     
   }
+
+  getFirstFile(input: HTMLInputElement) {
+    let files =   Array.from(input.files);
+    return files[0]
+  }
+
 }

src/app/shared/publication/new-publication/new-publication.page.ts

@@ -111,17 +111,16 @@ export class NewPublicationPage implements OnInit {
   }
 
   laodPicture() {
-    const input = this.fileLoaderService.createInput({})
+    const input = this.fileLoaderService.createInput({
+      accept: ['image/apng', 'image/jpeg', 'image/png']
+    })
     
     input.onchange = async () => {
-      // you can use this method to get file and perform respective operations
-      let files =   Array.from(input.files);
-      const file1 = files[0]
-
-      const imageData =  await this.fileToBase64Service.convert(file1)
+      const file = this.fileLoaderService.getFirstFile(input)
 
+      const imageData =  await this.fileToBase64Service.convert(file)
       this.capturedImage = imageData;
-      this.capturedImageTitle = file1.name
+      this.capturedImageTitle = file.name
     };
 
   }