回答編集履歴
1
getIntExtraのデフォルト値書き忘れ
answer
CHANGED
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@@ -3,6 +3,7 @@
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3
3
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MainActivity
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4
4
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```Java
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5
5
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String rid = "sample";
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6
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+
int value = 2017;
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7
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Intent intent = new Intent(getApplication(), Subactivity.class);
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intent.putExtra("DATA",rid);
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@@ -13,5 +14,5 @@
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```Java
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Intent intent = getIntent();
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String test = intent.getStringExtra("DATA");
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-
int val = intent.getIntExtra("VALUE");
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+
int val = intent.getIntExtra("VALUE", 0);
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```
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