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我已經寫了下面的類來讓我從Android微調獲得枚舉值。從Android微調獲取枚舉值
getValue()
中有兩行都沒有編譯。
我該怎麼做?
public class EnumSpinnerListener<T extends Enum> implements AdapterView.OnItemSelectedListener {
private String mValue = null;
public EnumSpinnerListener(AdapterView<?> adapterView) {
adapterView.setOnItemSelectedListener(this);
}
@Override
public void onItemSelected(AdapterView<?> adapterView, View view, int i, long l) {
mValue = adapterView.getItemAtPosition(i).toString();
}
@Override
public void onNothingSelected(AdapterView<?> adapterView) {
// do nothing
}
public T getValue() {
return Enum.valueOf(T.class, mValue); // cannot select from a type variable
return T.valueOf(mValue); // valueOf(java.lang.Class<T>, String) in enum cannot be applied to (java.lang.String)
}
}