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;
@Override
protected 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 {
@Override
public 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() {
@Override
public 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("确定", new DialogInterface.OnClickListener() {
@Override
public 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() {
@Override
public void onClick(DialogInterface arg0, int which, boolean isChecked) {
multiFlags[which]=isChecked;
}
});
multiBuilder.setPositiveButton("确定", new DialogInterface.OnClickListener() {
@Override
public 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;
}
}
}
}
