android.database.sqlite.SQLiteConstraintException:UNIQUE constraint failed: ERROR_EXAM._id

1.问题android.database.sqlite.SQLiteConstraintException:UNIQUE constraint failed: ERROR_EXAM._id
2.问题原因GreenDao 的id用的是long 如果不赋值会有初始值0就会导致主键重复
android.database.sqlite.SQLiteConstraintException:UNIQUE constraint failed: ERROR_EXAM._id
3.解决办法将long改成Long
android.database.sqlite.SQLiteConstraintException:UNIQUE constraint failed: ERROR_EXAM._id
4.问题解决亲测有效

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