Android單選對話方塊和多選對話方塊

 main.xml

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    xmlns:tools="http://schemas.android.com/tools"    android:layout_width="fill_parent"    android:layout_height="fill_parent"    android:gravity="center_horizontal"    android:orientation="vertical"    >    <Button        android:id="@+id/singleChoiceButton"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:text="@string/singleChoice"         android:layout_marginTop="100dip"        android:textSize="20sp"     />        <Button        android:id="@+id/multiChoiceButton"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:text="@string/multiChoice"         android:layout_marginTop="100dip"        android:textSize="20sp"     /></LinearLayout>

 

MainActivity

import android.os.Bundle;import android.app.Activity;import android.app.Dialog;import android.app.AlertDialog.Builder;import android.content.DialogInterface;import android.view.View;import android.view.View.OnClickListener;import android.widget.Button;import android.widget.Toast;public class MainActivity extends Activity {    private Button mSingleChoiceButton;    private Button mMultiChoiceButton;    private Dialog mSingleDialog;    private Dialog mMultiDialog;    boolean singleFlags[]=null;    boolean multiFlags[]=null;@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.main);init();}    private void init(){    mSingleChoiceButton=(Button) findViewById(R.id.singleChoiceButton);    mSingleChoiceButton.setOnClickListener(new ButtonOnClickListenerImpl());    mMultiChoiceButton=(Button) findViewById(R.id.multiChoiceButton);    mMultiChoiceButton.setOnClickListener(new ButtonOnClickListenerImpl());    }private class ButtonOnClickListenerImpl implements OnClickListener {@Overridepublic void onClick(View view) {switch (view.getId()) {case R.id.singleChoiceButton:singleFlags=new boolean[]{true,false,false};                Builder singleBuilder=new Builder(MainActivity.this);                singleBuilder.setIcon(R.drawable.ic_launcher);                singleBuilder.setTitle(getResources().getString(R.string.dialog_title));                singleBuilder.setSingleChoiceItems(R.array.singleChoiceArray, 0, new DialogInterface.OnClickListener() {@Overridepublic void onClick(DialogInterface dialog, int which) {for (int i = 0; i < singleFlags.length; i++) {if (i==which) {singleFlags[i]=true;}else{singleFlags[i]=false;}}}});                singleBuilder.setPositiveButton("確定", new DialogInterface.OnClickListener() {@Overridepublic void onClick(DialogInterface dialog, int which) {String result="";for (int i = 0; i < singleFlags.length; i++) {if (singleFlags[i]==true) {result=getResources().getStringArray(R.array.singleChoiceArray)[i];}} Toast.makeText(MainActivity.this, result, Toast.LENGTH_SHORT).show();}});                                mSingleDialog=singleBuilder.create();                mSingleDialog.show();                break;case R.id.multiChoiceButton:multiFlags=new boolean[]{true,false,false};                Builder multiBuilder=new Builder(MainActivity.this);                multiBuilder.setIcon(R.drawable.ic_launcher);                multiBuilder.setTitle(getResources().getString(R.string.dialog_title));                multiBuilder.setMultiChoiceItems(R.array.multiChoiceArray, multiFlags, new DialogInterface.OnMultiChoiceClickListener() {@Overridepublic void onClick(DialogInterface arg0, int which, boolean isChecked) {multiFlags[which]=isChecked;}});                multiBuilder.setPositiveButton("確定", new DialogInterface.OnClickListener() {@Overridepublic void onClick(DialogInterface dialog, int arg1) { String result="";  for (int i = 0; i < multiFlags.length; i++) {if (multiFlags[i]) {result=result+getResources().getStringArray(R.array.multiChoiceArray)[i]+" ";}} Toast.makeText(MainActivity.this,result, Toast.LENGTH_SHORT).show();}});                                mMultiDialog=multiBuilder.create();                mMultiDialog.show();break;default:break;}}}}