1. 利用AlertDialog物件來顯示對話框,並利用字串陣列來標示選項的標題。
2. MainActivity.java
01.package org.me.android_multiitemdialog;02.import android.app.Activity;03.import android.app.AlertDialog;04.import android.app.AlertDialog.Builder;05.import android.content.DialogInterface;06.import android.os.Bundle;07.import android.view.View;08.import android.widget.Button;09.import android.widget.Toast;10. 11.public class MainActivity extends Activity {12. 13. private Button showDialogButton;14. @Override15. public void onCreate(Bundle icicle) {16. super.onCreate(icicle);17. setContentView(R.layout.main);18. showDialogButton = (Button) findViewById(R.id.showDialogButton);19. final AlertDialog mutiItemDialog = getMutiItemDialog(new String[]{"牛排","雞排","豬排"});20. 21. showDialogButton.setOnClickListener(new Button.OnClickListener(){22. @Override23. public void onClick(View view){24. //顯示對話框25. mutiItemDialog.show();26. }27. });28. }29. 30. public AlertDialog getMutiItemDialog(final String[] items) {31. Builder builder = new Builder(this);32. //設定對話框內的項目33. builder.setItems(items, new DialogInterface.OnClickListener(){34. @Override35. public void onClick(DialogInterface dialog,int which){36. //當使用者點選對話框時,顯示使用者所點選的項目37. Toast.makeText(MainActivity.this, "您選擇的是"+items[which], Toast.LENGTH_SHORT).show();38. }39. });40. return builder.create();41. }42.}
3. main.xml(Layout)
01.<?xml version="1.0" encoding="UTF-8"?>02.<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"03. android:orientation="vertical"04. android:layout_width="fill_parent"05. android:layout_height="fill_parent">"06. <Button07. android:id="@+id/showDialogButton"08. android:layout_width="150px"09. android:layout_height="50px"10. android:text="多個選項的對話框">11. </Button>12.</LinearLayout>
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