Android-对话框列表-单选按钮..doc

AVD SDK Activity_main.xml LinearLayout xmlns:android=/apk/res/android xmlns:tools=/tools android:id=@+id/LinearLayout1 android:layout_width=match_parent android:layout_height=match_parent android:orientation=vertical tools:context=.MainActivity TextView android:id=@+id/yourChoice android:layout_width=fill_parent android:layout_height=wrap_content android:text=你的选择是： / TextView android:id=@+id/yourChoiceDes android:layout_width=fill_parent android:layout_height=wrap_content android:text=水果介绍 / Button android:id=@+id/choiceButtonId android:layout_width=fill_parent android:layout_height=wrap_content android:text=请选择你喜欢的水果 / /LinearLayout Mainactivity.java package controls.androidtest_dialog04; import android.os.Bundle; import android.app.Activity; import android.app.AlertDialog; import android.app.Dialog; import android.content.DialogInterface; import android.view.Menu; import android.view.View; import android.view.View.OnClickListener; import android.widget.Button; import android.widget.TextView; public class MainActivity extends Activity { private Button choiceButton=null; private TextView choiceFruite=null; private TextView choiceFruiteDes=null; private String fruiteData[]=new String[]{苹果,梨,香蕉}; private String fruiteDes[]=new String[]{苹果：apple,梨：LI,香蕉：bananer}; private int chNum=0; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); choiceButton=(Button)findViewById(R.id.choiceButtonId); choiceFruite=(TextView)findViewById(R.id.yourChoice); choiceFruiteDes=(TextView)findViewById(R.id.yourChoiceDes); choiceButton.setOnClickListener(new OnClickListener(){ @Override public void onClick(View v) { // TODO Auto-generated method stub Dialog dialog=new AlertDialog.Builder(MainActivity.this).se