<?xml version="1.0" encoding="UTF-8"?> <LinearLayout android:orientation="vertical" android:layout_height="fill_parent" android:layout_width="fill_par
<?xml version="1.0" encoding="UTF-8"?> <LinearLayout android:orientation="vertical" android:layout_height="fill_parent" android:layout_width="fill_parent" xmlns:android="http://schemas.android.com/apk/res/android"> <TextView android:layout_height="wrap_content" android:layout_width="fill_parent" android:text="多選控制項:" android:id="@+id/label"/> <RadioGroup android:orientation="horizontal" android:layout_height="fill_parent" android:layout_width="fill_parent" android:id="@+id/radionGroup"> <RadioButton android:layout_height="wrap_content" android:layout_width="wrap_content" android:text="女" android:id="@+id/radioFemale"/> <RadioButton android:layout_height="wrap_content" android:layout_width="wrap_content" android:text="男" android:id="@+id/radioMale" android:checked="true"/> <Button android:layout_height="wrap_content" android:layout_width="wrap_content" android:text="確定" android:id="@+id/ok"/> </RadioGroup> </LinearLayout>
package com.example.yanlei.mytk; import android.os.Bundle; import android.support.v7.app.AppCompatActivity; import android.view.View; import android.widget.Button; import android.widget.RadioButton; public class MainActivity extends AppCompatActivity { private RadioButton radioFemale; private RadioButton radioMale; private Button ok; @Override protected void onCreate(Bundle savedInstanceState) { // TODO Auto-generated method stub super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); radioFemale=(RadioButton)findViewById(R.id.radioFemale); radioMale=(RadioButton)findViewById(R.id.radioMale); ok=(Button)findViewById(R.id.ok); ok.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { String result = "你選擇的是:"; if (radioFemale.isChecked()) { setTitle(result + "女"); } else { setTitle(result + "男"); } } }); } }