经过测试和工作。检查一下
import android.app.Activity;import android.os.Bundle;import android.view.View;import android.view.View.OnClickListener;import android.widget.Button;import android.widget.RadioButton;import android.widget.RadioGroup;import android.widget.Toast;public class MyAndroidAppActivity extends Activity { private RadioGroup radioGroup; private RadioButton radioButton; private Button btnDisplay; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); addListeneronButton(); } public void addListeneronButton() { radioGroup = (RadioGroup) findViewById(R.id.radio); btnDisplay = (Button) findViewById(R.id.btnDisplay); btnDisplay.setonClickListener(new onClickListener() { @Override public void onClick(View v) { // get selected radio button from radioGroup int selectedId = radioGroup.getCheckedRadioButtonId(); // find the radiobutton by returned id radioButton = (RadioButton) findViewById(selectedId); Toast.makeText(MyAndroidAppActivity.this, radioButton.getText(), Toast.LENGTH_SHORT).show(); } }); }}XML文件
<RadioGroup android:id="@+id/radio" android:layout_width="wrap_content" android:layout_height="wrap_content" > <RadioButton android:id="@+id/radioMale" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="@string/radio_male" android:checked="true" /> <RadioButton android:id="@+id/radioFemale" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="@string/radio_female" /> </RadioGroup>
