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【Android】Google I/O 2017のBest Practices to slim down your app sizeメモ

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Google I/O 2017の「Best Practices to slim down your app size」メモです。

メモ

  • サイズがでかいと20%もダウンロードキャンセルさせる
  • 100MB以上のアプリは8倍もアンインストールされやすい
  • apkサイズ削減方法
    • ProguardのminifyEnableを有効にする(classes.dexをoriginalの33%に削減)
    • shrinkResourcesを有効にする(resをoriginalの25%に削減)
    • Multiple APKを有効にする(resをoriginalの44%に削減)
    • Vector Drawableを使う

所感

アプリはres(特に画像)が大半を占めるのでそこをいかに圧縮・削減するかが大事。
今回紹介された例だとshrinkResourcesが一番効果的。

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