Question

这是我班上的两种方法，我希望返回附加到每个单选按钮的文本字符串：

public String toppingGroupCheck(RadioGroup toppingGroup, int checkedId){
        switch (checkedId){
            case R.id.toppingRadio1:
                checkedId = toppingGroup.getCheckedRadioButtonId();
                selectedToppingRad = (RadioButton)findViewById(checkedId);
                selectedTopping = selectedToppingRad.getText().toString();
            case R.id.toppingRadio2:
                checkedId = toppingGroup.getCheckedRadioButtonId();
                selectedToppingRad = (RadioButton)findViewById(checkedId);
                selectedTopping = selectedToppingRad.getText().toString();
            case R.id.toppingRadio3:
                checkedId = toppingGroup.getCheckedRadioButtonId();
                selectedToppingRad = (RadioButton)findViewById(checkedId);
                selectedTopping = selectedToppingRad.getText().toString();
            case R.id.toppingRadio4:
                checkedId = toppingGroup.getCheckedRadioButtonId();
                selectedToppingRad = (RadioButton)findViewById(checkedId);
                selectedTopping = selectedToppingRad.getText().toString();
            case R.id.toppingRadio5:
                checkedId = toppingGroup.getCheckedRadioButtonId();
                selectedToppingRad = (RadioButton)findViewById(checkedId);
                selectedTopping = selectedToppingRad.getText().toString();
        }
        return selectedTopping;
    }

    public String sideGroupCheck(RadioGroup sidesGroup, int checkedId){
        switch (checkedId){
            case R.id.sideRadio1:
                checkedId = sidesGroup.getCheckedRadioButtonId();
                selectedSideRad = (RadioButton)findViewById(checkedId);
                selectedSide = selectedSideRad.getText().toString();
            case R.id.sideRadio2:
                checkedId = sidesGroup.getCheckedRadioButtonId();
                selectedSideRad = (RadioButton)findViewById(checkedId);
                selectedSide = selectedSideRad.getText().toString();
            case R.id.sideRadio3:
                checkedId = sidesGroup.getCheckedRadioButtonId();
                selectedSideRad = (RadioButton)findViewById(checkedId);
                selectedSide = selectedSideRad.getText().toString();
        }
        return selectedSide;
    }

然后我有了这个，它应该利用那些方法并将String返回给变量tmpTopping和tmpSide：

public void submitForm(View view){
        Intent submitform = new Intent(this, submitForm.class);

        String tmpTopping = toppingGroupCheck(toppingGroup, checkedId);
        submitform.putExtra("topping",tmpTopping);
        String tmpSide = sideGroupCheck(sidesGroup, checkedId);
        submitform.putExtra("side",tmpSide);
        startActivity(submitform);
    }

有人可以解释我可能做错了什么，或者更好的方式来解决他的问题？感谢。

更新：我试着这样做：

    checkedId = toppingGroup.getCheckedRadioButtonId();
    selectedToppingRad = (RadioButton)findViewById(checkedId);
    String topping = selectedToppingRad.getText();

但它一直说“selectedToppingRad.getText（）”会返回一个字符序列而不是一个字符串。相反，我只是将“selectedToppingRad.getText（）”插入到putExtra中，然后就可以了。

Answer 1

我实际上并不知道你对你的代码做了什么，但我认为这可能会有所帮助

访问Android getting value from selected radiobutton并寻找答案。

为什么不只是获取ID然后获取它的文本？即使在同一组中，他们也有独特的身份。就像@Turuu那样的评论;而是吐司，把它放在字符串

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我只是一个样本

从作为广播组

1 个答案: