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【Android】Androidのアプリ間で情報を共有する方法 rel : http://blog.ryochin.xyz/archives/41
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public class MainActivity extends Activity { | |
@Override | |
protected void onCreate(Bundle savedInstanceState) { | |
super.onCreate(savedInstanceState); | |
this.setContentView(R.layout.main); | |
// SharedPreferencesの生成 | |
SharedPreferences sp = this.getSharedPreferences("MainActivity", Context.MODE_PRIVATE); | |
// Editorの生成 | |
Editor editor = sp.edit(); | |
// 文字列の保存 | |
editor.putString("KEY", "VALUE"); | |
editor.commit(); | |
// 保存した文字列の参照 | |
String value = sp.getString("KEY", ""); | |
// 第2引数がなかった場合のdefaultの値になるので、とれたか確認 | |
if (value.equals("")){ | |
Log.d("MainActivity", "値がとれませんでした"); | |
} else { | |
Log.d("MainActivity", "値がとれました"); | |
} | |
} | |
} |
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