🔥[Urgent] Support AGP 8 and Fix Compile Issue

[knottx]

1. Support AGP 8
2. Fix Compile Issue 'compileDebugJavaWithJavac' task (current target is 1.8) and 'compileDebugKotlin' task (current target is 17) jvm target compatibility should be set to the same Java version #272

For people who are waiting for this
you can use this in your pubspec.yaml

dependency_overrides:
  image_gallery_saver:
    git:
      url: https://github.com/knottx/image_gallery_saver.git
      ref: knottx

[krutarth-vaishnav]

@knottx, Thanks. I'm using your link in my code. make sure you don't remove that.

[knottx]

@hyjfine @woodwen please 🥹

[mkobuolys]

Any plans to merge this any time soon?

[knottx]

go to #295