[GitHub] [cordova-plugin-file] felipecaparelli commented on issue #348: FileReader.readAs*(file) returns null onloadend

[GitBox <gi...@apache.org>]

felipecaparelli commented on issue #348:
URL: https://github.com/apache/cordova-plugin-file/issues/348#issuecomment-687665048


   I am just trying to use it (with Ionic) to get files from any Android folders (WhatsApp, Documents, etc), but it always returns null, even using other methods like readAsText, readAsDataURL or the readAsArrayBuffer. Follow my config:
   
   **Ionic:**
   
      Ionic CLI                     : 5.4.15
      Ionic Framework               : @ionic/angular 5.2.2
      @angular-devkit/build-angular : 0.901.9
      @angular-devkit/schematics    : 9.1.9
      @angular/cli                  : 9.1.9
      @ionic/angular-toolkit        : 2.2.0
   
   **Cordova:**
   
      Cordova CLI       : 9.0.0 (cordova-lib@9.0.1)
      Cordova Platforms : android 8.1.0
      Cordova Plugins   : 
       cordova-plugin-file: 6.0.2
       cordova-plugin-file-opener2: 3.0.4
       cordova-plugin-filechooser: 1.2.0
       cordova-plugin-filepath": 1.5.8
   
   
   The code that fails is:
   
   		async openFiles() {
   		    this.fileChooser
   		        .open()
    		       .then(contentPath => {
    		         const that = this;
   		          this.filePath.resolveNativePath(contentPath).then(uri => {
     		          const lastSeparator = uri.lastIndexOf('/');
    		           const fileName = uri.substr(lastSeparator + 1);
    		           const sysPath = uri.substr(0, lastSeparator);
     		           that.file.readAsArrayBuffer(sysPath, fileName).then(buff => {
   					// buff is always null
   					const blob = new Blob([new Uint8Array(buff)], { type: 'image/jpg' });
   		            });
   		          });
   		        });
     		}


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