Android ã®ç½ [1] ã¡ã‚ƒã‚“㨠onSaveInstanceState ã™ã‚‹ - Qiita
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android - Shared Elements ã«ã‚ˆã‚‹ç”»é¢é·ç§»ã‚’ API level 21 未満ã§ã‚‚実ç¾ã™ã‚‹æ–¹æ³•ã¯ã‚ã‚Šã¾ã™ã‹ï¼Ÿ - スタック・オーãƒãƒ¼ãƒ•ãƒãƒ¼
Communicate with fragments  | Android Developers
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