好记性不如烂笔杆android学习笔记<十> Dialog用法

22，//Dialog用法，7个小例子
<1>//main.xml

View Code

 1 <?xml version="1.0" encoding="utf-8"?>
 2 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
 3     android:layout_width="fill_parent"
 4     android:layout_height="fill_parent"
 5     android:orientation="vertical" >
 6     <TextView
 7         android:layout_width="fill_parent"
 8         android:layout_height="wrap_content"
 9         android:text="@string/hello" />
10     <Button 
11         android:id="@+id/Two_but"
12         android:layout_width="fill_parent"
13         android:layout_height="wrap_content"
14         android:text="两个按钮的对话框"
15         />
16     <Button 
17         android:id="@+id/Three_but"
18         android:layout_width="fill_parent"
19         android:layout_height="wrap_content"
20         android:text="三个按钮的对话框"
21         />
22     <Button 
23         android:id="@+id/putIn_but"
24         android:layout_width="fill_parent"
25         android:layout_height="wrap_content"
26         android:text="可以输入的对话框"
27         />
28     <Button 
29         android:id="@+id/scroll_but"
30         android:layout_width="fill_parent"
31         android:layout_height="wrap_content"
32         android:text="滚动对话框"
33         />
34     <Button 
35         android:id="@+id/radio_but"
36         android:layout_width="fill_parent"
37         android:layout_height="wrap_content"
38         android:text="单选对话框"
39         />
40     <Button 
41         android:id="@+id/check_but"
42         android:layout_width="fill_parent"
43         android:layout_height="wrap_content"
44         android:text="多选对话框"
45         />
46     <Button 
47         android:id="@+id/list_but"
48         android:layout_width="fill_parent"
49         android:layout_height="wrap_content"
50         android:text="列表对话框"
51         />
52 </LinearLayout>

//alert_dialog_text_entry.xml

View Code

 1 <?xml version="1.0" encoding="utf-8"?>
 2 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
 3     android:layout_width="match_parent"
 4     android:layout_height="match_parent"
 5     android:orientation="vertical" >
 6     <TextView 
 7         android:id="@+id/username"
 8         android:layout_width="wrap_content"
 9         android:layout_height="wrap_content"
10         android:layout_marginLeft="20dip"
11         android:layout_marginRight="20dip"
12         android:text="@string/username"
13         />
14     <EditText 
15         android:id="@+id/usernameEdit"
16         android:layout_width="fill_parent"
17         android:layout_height="wrap_content"
18         android:layout_marginLeft="20dip"
19         android:layout_marginRight="20dip"
20         android:capitalize="none"
21         />
22     <TextView 
23          android:id="@+id/passward"
24         android:layout_width="wrap_content"
25         android:layout_height="wrap_content"
26         android:layout_marginLeft="20dip"
27         android:layout_marginRight="20dip"
28         android:text="@string/passward"
29         />
30     <EditText 
31         android:id="@+id/passwardEdit"
32         android:layout_width="fill_parent"
33         android:layout_height="wrap_content"
34         android:layout_marginLeft="20dip"
35         android:layout_marginRight="20dip"
36         android:password="true"
37         android:capitalize="none"
38         />
39 </LinearLayout>

<2>//Java文件

  1 public class DialogActivity extends Activity {
  2     private Button mtwoButton = null;
  3     private Button mthreeButton = null;
  4     private Button minputButton = null;
  5     private Button mscrollButton = null;
  6     private Button radioButton = null;
  7     private Button checkButton = null;
  8     private Button listButton = null;
  9     private static final int DIALOG1 = 0;
 10     private static final int DIALOG2 = 1;
 11     private static final int DIALOG3 = 2;
 12     private static final int DIALOG4 = 3;
 13     private static final int DIALOG5 = 4;
 14     private static final int DIALOG6 = 5;
 15     private static final int DIALOG7 = 6;
 16     @Override
 17     public void onCreate(Bundle savedInstanceState) {
 18         super.onCreate(savedInstanceState);
 19         setContentView(R.layout.main);
 20         mtwoButton = (Button)findViewById(R.id.Two_but);
 21         mthreeButton = (Button)findViewById(R.id.Three_but);
 22         minputButton = (Button)findViewById(R.id.putIn_but);
 23         mscrollButton = (Button)findViewById(R.id.scroll_but);
 24         radioButton = (Button)findViewById(R.id.radio_but);
 25         checkButton = (Button)findViewById(R.id.check_but);
 26         listButton = (Button)findViewById(R.id.list_but);
 27         
 28         mtwoButton.setOnClickListener(new OnClickListener(){
 29 
 30             @Override
 31             public void onClick(View v) {
 32                 showDialog(DIALOG1);
 33             }
 34             
 35         });
 36         mthreeButton.setOnClickListener(new OnClickListener(){
 37 
 38             @Override
 39             public void onClick(View v) {
 40                 showDialog(DIALOG2);
 41             }
 42             
 43         });
 44         minputButton.setOnClickListener(new OnClickListener(){
 45 
 46             @Override
 47             public void onClick(View v) {
 48                 showDialog(DIALOG3);
 49             }
 50             
 51         });
 52         mscrollButton.setOnClickListener(new OnClickListener(){
 53 
 54             @Override
 55             public void onClick(View v) {
 56                 showDialog(DIALOG4);
 57             }
 58             
 59         });
 60         radioButton.setOnClickListener(new OnClickListener() {
 61             
 62             @Override
 63             public void onClick(View v) {
 64                 showDialog(DIALOG5);
 65             }
 66         });
 67         checkButton.setOnClickListener(new OnClickListener() {
 68             
 69             @Override
 70             public void onClick(View v) {
 71                 showDialog(DIALOG6);
 72             }
 73         });
 74         listButton.setOnClickListener(new OnClickListener() {
 75     
 76             @Override
 77             public void onClick(View v) {
 78                 showDialog(DIALOG7);
 79             }
 80         });
 81     }
 82     protected Dialog onCreateDialog(int id){
 83         switch(id){
 84         case DIALOG1:
 85             return buildDialog1(DialogActivity.this);
 86         case DIALOG2:
 87             return buildDialog2(DialogActivity.this);
 88         case DIALOG3:
 89             return buildDialog3(DialogActivity.this);
 90         case DIALOG4:
 91             return buildDialog4(DialogActivity.this);
 92         case DIALOG5:
 93             return buildDialog5(DialogActivity.this);
 94         case DIALOG6:
 95             return buildDialog6(DialogActivity.this);
 96         case DIALOG7:
 97             return buildDialog7(DialogActivity.this);
 98         }
 99         return null;
100     }
101     private Dialog buildDialog1(Context context){
102         AlertDialog.Builder builder = new AlertDialog.Builder(context);
103         builder.setIcon(R.drawable.alert_dialog_icon);
104         builder.setTitle(R.string.alert_dialog_two_button_title);
105         builder.setPositiveButton(R.string.alert_dialog_ok, 
106                 new DialogInterface.OnClickListener() {
107                     @Override
108                     public void onClick(DialogInterface dialog, int which) {
109                         setTitle("单击对话框上的确定按钮");
110                         
111                     }
112                 });
113         builder.setNegativeButton(R.string.alert_dialog_cancel, 
114                 new DialogInterface.OnClickListener() {
115                     @Override
116                     public void onClick(DialogInterface dialog, int which) {
117                         setTitle("单击了对话框上的取消按钮");
118                     }
119                 });
120         
121         return builder.create();
122     }
123     private Dialog buildDialog2(Context context){
124         AlertDialog.Builder builder = new AlertDialog.Builder(context);
125         builder.setIcon(R.drawable.alert_dialog_icon);
126         builder.setTitle(R.string.alert_dialog_two_button_msg);
127         builder.setMessage(R.string.alert_dialog_two_button2_msg);
128         builder.setPositiveButton(R.string.alert_dialog_ok, 
129                 new DialogInterface.OnClickListener() {
130                     
131                     @Override
132                     public void onClick(DialogInterface dialog, int which) {
133                         setTitle("单击对话框上的确定按钮");
134                         
135                     }
136                 });
137         builder.setNeutralButton(R.string.alert_dialog_something, 
138                 new DialogInterface.OnClickListener() {
139                     
140                     @Override
141                     public void onClick(DialogInterface dialog, int which) {
142                         setTitle("点击了对话框中的详情按钮");
143                     }
144                 });
145         builder.setNegativeButton(R.string.alert_dialog_cancel, 
146                 new DialogInterface.OnClickListener() {
147                     
148                     @Override
149                     public void onClick(DialogInterface dialog, int which) {
150                         setTitle("单击了对话框上的取消按钮");
151                     }
152                 });
153         
154         return builder.create();
155     }
156     private Dialog buildDialog3(Context context){
157         LayoutInflater inflater = LayoutInflater.from(this);
158         //引用其他xml文件中的内容
159         final View textEntryView = inflater.inflate(R.layout.alert_dialog_text_entry, null);
160         AlertDialog.Builder builder = new AlertDialog.Builder(context);
161         builder.setIcon(R.drawable.alert_dialog_icon);
162         builder.setTitle(R.string.alert_dialog_entry_title);
163         builder.setView(textEntryView);//把View放到Dialog中，关键所在
164         builder.setPositiveButton(R.string.alert_dialog_ok, 
165                 new DialogInterface.OnClickListener() {
166                     
167                     @Override
168                     public void onClick(DialogInterface dialog, int which) {
169                         setTitle("单击对话框上的确定按钮");
170                         
171                     }
172                 });
173         builder.setNegativeButton(R.string.alert_dialog_cancel, 
174                 new DialogInterface.OnClickListener() {
175                     
176                     @Override
177                     public void onClick(DialogInterface dialog, int which) {
178                         setTitle("单击了对话框上的取消按钮");
179                     }
180                 });
181         
182         return builder.create();
183     }
184     private Dialog buildDialog4(Context context){
185         ProgressDialog dialog = new ProgressDialog(context);
186         dialog.setTitle("正在下载歌曲");
187         dialog.setMessage("请稍候…………");
188         return dialog;
189     }
190     private Dialog buildDialog5(Context context){
191         AlertDialog.Builder builder = new AlertDialog.Builder(context);
192         builder.setIcon(R.drawable.alert_dialog_icon);
193         builder.setTitle(R.string.alert_dialog_radio_title);
194         builder.setSingleChoiceItems(new String[] { "Item1", "Item2" }, 0, 
195                 new DialogInterface.OnClickListener() {
196                 public void onClick(DialogInterface dialog, int which) {
197                     dialog.dismiss();
198                 }
199              });
200         builder.setNegativeButton("取消", null).show();
201         return builder.create();
202     }
203     private Dialog buildDialog6(Context context){
204         AlertDialog.Builder builder = new AlertDialog.Builder(context);
205         builder.setIcon(R.drawable.alert_dialog_icon);
206         builder.setTitle(R.string.alert_dialog_check_title);
207         builder.setMultiChoiceItems(new String[] { "Item1", "Item2" }, null,null); 
208         builder.setNegativeButton("确定",null).show();
209         builder.setPositiveButton("取消",null).show();
210         return builder.create();
211     }
212     private Dialog buildDialog7(Context context){
213         AlertDialog.Builder builder = new AlertDialog.Builder(context);
214         builder.setIcon(R.drawable.alert_dialog_icon);
215         builder.setTitle(R.string.alert_dialog_item_title);
216         builder.setItems(new String[] { "Item1", "Item2" }, null);
217         builder.setNegativeButton("确定",null).show();
218         builder.setPositiveButton("取消",null).show();
219         
220         return builder.create();
221     }
222     protected void onPrepareDialog(int id,Dialog diallog){
223         if(id == DIALOG1){
224             setTitle("测试");
225         }
226     }
227 }

忘记截图了，呵呵