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startActivityで起動したときとstartActivityForResultで起動したときで処理を分ける方法

Last updated at Posted at 2016-12-16

startActivityで起動したときとstartActivityForResultで起動したときで処理を分ける

Activityにおいて、startActivity()で起動された時とstartActivityForResult()で起動したときで実行される処理を分けたい、そんなときがあります。
そういう場合は、Activity#getCallingActivity()を使用することで識別することができます。

if (getCallingActivity() == null) {
    /* startActivity()で起動された */
} else {
    /* startActivityForResult()で起動された */
}

参考

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