Ionic Save large file @Capacitor/filesystem - Out of memory error

Question

I try to store multiple files in the file storage by using the @Capacitor/filesystem Plugin.

On large files I'm facing the following error - testet on my One Plus Pro 8 (Android 12):

W/System.err: java.lang.OutOfMemoryError: Failed to allocate a 150994952 byte allocation with 25165824 free bytes and 140MB until OOM, target footprint 280973616, growth limit 402653184

Code for saving the files:

Filesystem.writeFile({
        path,
        data: file.base64,
        directory: Directory.Data,
        recursive: true
      })

Project configuration:

**Ionic**:

   Ionic CLI                     : 6.19.0 (/usr/local/lib/node_modules/@ionic/cli)
   Ionic Framework               : @ionic/angular 6.0.8
   @angular-devkit/build-angular : 13.0.4
   @angular-devkit/schematics    : 13.0.4
   @angular/cli                  : 13.0.4
   @ionic/angular-toolkit        : 5.0.3

**Capacitor**:

   Capacitor CLI      : 3.4.1
   @capacitor/android : 3.4.1
   @capacitor/core    : 3.4.1
   @capacitor/ios     : not installed

**Utility**:

   cordova-res : not installed globally
   native-run  : 1.5.0

maxi hraschan · Accepted Answer · 2022-05-11 18:27:34Z

1

I found the following package wich solved my problem:

Capacitor-blob-writer

It splits the file into multiple parts if it's to low.

answered May 11, 2022 at 18:27

maxi hraschan

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Comments

RGe · Accepted Answer · 2022-05-11 12:34:15Z

0

Saving large files is currently not supported (see https://github.com/ionic-team/capacitor/issues/984).

The Capacitor team has communicated on Discord that there are plans to add support with Capacitor 4.

answered May 11, 2022 at 12:34

RGe

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2 Comments

maxi hraschan Over a year ago

The last comment in your posted issue refers only to files safed as Blobs. I convert all my files to a base64 string. So that shouldn't be the problem!

RGe Over a year ago

You can't transmit infinitely large strings. At some point, as in your case, there will be an OOM. Then the data must be transferred optimized (in smaller parts). However, such an interface does not yet exist.

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