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Package signatures do not match the previously installed version

Last updated at Posted at 2020-07-19

Package signatures do not match the previously installed version
Oculus Questの開発中にこのエラーに出くわしたので,詳しい状況と解決した方法を書き残しておく.

[状況]

普段はメインPCでQuest用アプリのビルドを行っていたが,ある日サブPCで同じバージョンのUnityでビルドを行ったらこのエラーが出た

[解決策]

署名が違うよ!って怒られてるので,いったんアプリを消して,再度ビルド.

まずコマンドプロンプトを起動
C\user[yourname]\appdata\local\android\adk\parameter_tool\の中に入る

adb uninstall "com.xxxx.xxxx"
でアプリを消す

次にこれを実行
adb.exe "1PATHxxxxx" -s -o "/apkのパス/"
成功するとsuccessとかsuccessfullyとかでた気がする

これでunityのビルドしたらうまく通りました

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