angryegg
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乐学Android之05：显示Dialog Window

 

 1<?xml version="1.0" encoding="utf-8"?>
 2<LinearLayout
 3    xmlns:android="http://schemas.android.com/apk/res/android"
 4    android:orientation="vertical"
 5    android:layout_width="fill_parent"
 6    android:layout_height="fill_parent">
 7    <TextView
 8        android:layout_width="fill_parent"
 9        android:layout_height="wrap_content"
10        android:text="@string/hello" />
11    <Button
12        android:id="@+id/button1"
13        android:layout_width="fill_parent"
14        android:layout_height="wrap_content" 
15        android:text="单击显示弹出窗口"/>
16</LinearLayout>
17

 

 1public class BeginAndroidActivity extends Activity {
 2   private String tag = "Events";
 3 private CharSequence[] items = {"Google","Apple","HTC"};
 4   private boolean[] itemsChecked = new boolean[items.length];
 5  
 6  @Override
 7    public void onCreate(Bundle savedInstanceState) {
 8        super.onCreate(savedInstanceState);
 9        setContentView(R.layout.main);
10        Log.d(tag, "In the onCreate() event");
11        Button button = (Button) findViewById(R.id.button1);
12        button.setOnClickListener(new View.OnClickListener() {
13            public void onClick(View v) {
14                showDialog(0);
15            }
16        });
17    }
18}
19

 

 1    @Override
 2    protected Dialog onCreateDialog(int id, Bundle args) {
 3        switch (id) {
 4        case 0:
 5            return new AlertDialog.Builder(this)
 6                .setIcon(R.drawable.icon)
 7                .setTitle("这是一个Dialog")
 8                .setPositiveButton("OK", new DialogInterface.OnClickListener() {
 9                    public void onClick(DialogInterface dialog, int which) {
10                        Toast.makeText(getBaseContext(), "OK Clicked!", Toast.LENGTH_SHORT).show();
11                    }
12                })
13                .setNegativeButton("Cancel", new DialogInterface.OnClickListener() {
14                    public void onClick(DialogInterface dialog, int which) {
15                        Toast.makeText(getBaseContext(), "Cancel Clicked!", Toast.LENGTH_SHORT).show();
16                    }
17                })
18                .setMultiChoiceItems(items, itemsChecked, new DialogInterface.OnMultiChoiceClickListener() {
19                    public void onClick(DialogInterface dialog, int which, boolean isChecked) {
20                        Toast.makeText(getBaseContext(), items[which] + (isChecked ? " checked!" :" unChecked!"), Toast.LENGTH_SHORT).show();
21                    }
22                })
23                .create();
24        }
25        return null;
26
27}


 

 

posted on 2011-07-31 15:36 angryegg 阅读(273) 评论(0)  编辑  收藏 所属分类: Android

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