Android之選項按鈕對話方塊Android之選項按鈕對話方塊

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from : http://www.cnblogs.com/linjiqin/archive/2011/03/10/1980170.html

Android之選項按鈕對話方塊

main.xml布局檔案

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical" android:layout_width="fill_parent"
android:layout_height="fill_parent">
<EditText android:text=""
android:id="@+id/editText"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:editable="false"
android:cursorVisible="false"/>
<Button android:text="顯示單選對話方塊"
android:id="@+id/button"
android:layout_width="fill_parent"
android:layout_height="wrap_content"/>
</LinearLayout>

array.xml數組

<?xml version="1.0" encoding="utf-8"?>
<resources>
<string-array name="hobby">
<item>遊泳</item>
<item>打籃球</item>
<item>登山</item>
</string-array>
</resources>

AlertDialog類

package com.ljq.dialog;

import android.app.Activity;
import android.app.Dialog;
import android.app.AlertDialog.Builder;
import android.content.DialogInterface;
import android.content.DialogInterface.OnClickListener;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;

publicclass AlertDialog extends Activity {
private EditText editText;
privatefinalstaticint DIALOG=1;

@Override
publicvoid onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);

editText=(EditText)findViewById(R.id.editText);
Button button = (Button) findViewById(R.id.button);
button.setOnClickListener(new View.OnClickListener() {
publicvoid onClick(View v) {
// 顯示對話方塊
showDialog(DIALOG);
}
});
}

/**
* 建立選項按鈕對話方塊
*/
@Override
protected Dialog onCreateDialog(int id) {
Dialog dialog=null;
switch (id) {
case DIALOG:
Builder builder=new android.app.AlertDialog.Builder(this);
//設定對話方塊的表徵圖
builder.setIcon(R.drawable.header);
//設定對話方塊的標題
builder.setTitle("選項按鈕對話方塊");
//0: 預設第一個選項按鈕被選中
builder.setSingleChoiceItems(R.array.hobby, 0, new OnClickListener(){
publicvoid onClick(DialogInterface dialog, int which) {
String hoddy=getResources().getStringArray(R.array.hobby)[which];
editText.setText("您選擇了： "+hoddy);
}
});

//添加一個確定按鈕
builder.setPositiveButton(" 確定 ", new DialogInterface.OnClickListener(){
publicvoid onClick(DialogInterface dialog, int which) {

}
});
//建立一個選項按鈕對話方塊
dialog=builder.create();
break;
}
return dialog;
}

}

運行結果