Android 自定义Dialog

1、drawable

1 <shape xmlns:android="http://schemas.android.com/apk/res/android" >
2     <corners android:radius="10dp"/>
3 
4 </shape>

dialog_bg

1 <shape xmlns:android="http://schemas.android.com/apk/res/android" android:shape="rectangle">
2     <corners
3         android:topLeftRadius="10dp"
4         android:topRightRadius="10dp"/>
5     
6     <solid android:color="#DEDBDE"/>
7 
8 </shape>

top_style

1 <shape xmlns:android="http://schemas.android.com/apk/res/android" android:shape="rectangle">
2     <corners 
3         android:bottomLeftRadius="10dp"
4         android:bottomRightRadius="10dp"/>
5     
6     <solid 
7         android:color="@android:color/white"/>
8 
9 </shape>

bottom_style

1 <shape xmlns:android="http://schemas.android.com/apk/res/android" >
2     <corners android:radius="50dp"/>
3     
4     <solid android:color="@android:color/holo_orange_light"/>
5 
6 </shape>

update

1 <shape xmlns:android="http://schemas.android.com/apk/res/android" >
2     <corners android:radius="50dp"/>
3     
4     <solid android:color="@android:color/darker_gray"/>
5 
6 </shape>

cancel

2、

 1 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
 2     android:layout_width="match_parent"
 3     android:layout_height="match_parent"
 4     android:orientation="vertical" >
 5 
 6     <Button
 7         android:id="@+id/btn_test"
 8         android:layout_width="match_parent"
 9         android:layout_height="wrap_content"
10         android:onClick="alertDialog"
11         android:text="测试点击打开Dialog" />
12 
13 </LinearLayout>

activity_main

 1 <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
 2     android:id="@+id/rl"
 3     android:layout_width="match_parent"
 4     android:layout_height="match_parent"
 5     android:background="@android:color/darker_gray" >
 6 
 7     <LinearLayout
 8         android:id="@+id/ll"
 9         android:layout_width="match_parent"
10         android:layout_height="wrap_content"
11         android:layout_centerInParent="true"
12         android:layout_marginLeft="50dp"
13         android:layout_marginRight="50dp"
14         android:background="@drawable/dialog_bg"
15         android:gravity="center"
16         android:orientation="vertical" >
17 
18         <TextView
19             android:layout_width="match_parent"
20             android:layout_height="wrap_content"
21             android:background="@drawable/top_style"
22             android:gravity="center"
23             android:padding="10dp"
24             android:text="提示"
25             android:textSize="20sp" />
26 
27         <TextView
28             android:layout_width="match_parent"
29             android:layout_height="wrap_content"
30             android:background="@android:color/white"
31             android:gravity="center"
32             android:padding="20dp"
33             android:text="发现新版本"
34             android:textSize="18sp" />
35 
36         <TextView
37             android:layout_width="match_parent"
38             android:layout_height="wrap_content"
39             android:background="@android:color/white"
40             android:gravity="center"
41             android:padding="20dp"
42             android:text="v3.5.0 → v3.5.1"
43             android:textSize="18sp" />
44 
45         <LinearLayout
46             android:layout_width="match_parent"
47             android:layout_height="wrap_content"
48             android:background="@drawable/bottom_style"
49             android:gravity="center_horizontal"
50             android:orientation="horizontal" >
51 
52             <Button
53                 android:id="@+id/negative"
54                 android:layout_width="0dp"
55                 android:layout_height="wrap_content"
56                 android:layout_margin="20dp"
57                 android:layout_weight="1"
58                 android:background="@drawable/cancel"
59                 android:gravity="center"
60                 android:padding="5dp"
61                 android:text="取  消"
62                 android:textColor="@android:color/white"
63                 android:textSize="18sp" />
64 
65             <Button
66                 android:id="@+id/positive"
67                 android:layout_width="0dp"
68                 android:layout_height="wrap_content"
69                 android:layout_margin="20dp"
70                 android:layout_weight="1"
71                 android:background="@drawable/update"
72                 android:gravity="center"
73                 android:padding="5dp"
74                 android:text="更  新"
75                 android:textColor="@android:color/white"
76                 android:textSize="18sp" />
77         </LinearLayout>
78     </LinearLayout>
79 
80 </RelativeLayout>

Dialog

3、Dialog主题 values/styles

1 <style name="DialogTheme">
2         <item name="android:windowNoTitle">true</item>
3         <item name="android:windowBackground">@android:color/transparent</item>
4         <item name="android:windowIsFloating">false</item>
5     </style>

DialogTheme

4、MyDialog继承Dialog

 1 public class MyDialog extends Dialog {
 2 
 3     private RelativeLayout rl;
 4     private LinearLayout ll;
 5 
 6     private Button positive,negative;
 7     private String positiveButtonText,negativeButtonText;
 8     private DialogInterface.OnClickListener positiveButtonClickListener;
 9     private DialogInterface.OnClickListener negativeButtonClickListener;
10 
11     public MyDialog(Context context) {
12         super(context, R.style.DialogTheme);
13     }
14 
15     @Override
16     protected void onCreate(Bundle savedInstanceState) {
17         super.onCreate(savedInstanceState);
18         setContentView(R.layout.dialog);
19         initView();
20     }
21 
22     //提供给外部访问设置
23     public void setPositiveButton(String positiveButtonText, DialogInterface.OnClickListener listener){
24         this.positiveButtonText = positiveButtonText;
25         this.positiveButtonClickListener = listener;
26     }
27     
28     public void setNegativeButton(String negativeButtonText, DialogInterface.OnClickListener listener){
29         this.negativeButtonText = negativeButtonText;
30         this.negativeButtonClickListener = listener;
31     }
32     
33     private void initView() {
34         // 设置点击Dialog以外的地方可以关闭Dialog
35         //本次测试需要自定义效果，暂且设置不浮动，Dialog占满全屏，使用相对布局，Dialog可见内容部分居中，点击之外的部分可关闭对话框
36         initCanceledOnTouchOutside();
37         initPositiveButton();
38         initNegativeButton();
39     }
40     
41     //初始化positiveButton,当外部调用setPositiveButton时，传递positiveButtonText,并实现接口，回调onClick方法
42     private void initPositiveButton() {
43         if(positiveButtonText!=null){
44             positive = (Button) findViewById(R.id.positive);
45             positive.setText(positiveButtonText);
46         }
47         if(positiveButtonClickListener!=null){
48             //外部不自己设置就直接使用xml中默认的
49             positive = (Button) findViewById(R.id.positive);
50             positive.setOnClickListener(new View.OnClickListener() {
51                 @Override
52                 public void onClick(View v) {
53                     positiveButtonClickListener.onClick(MyDialog.this, DialogInterface.BUTTON_POSITIVE);
54                 }
55             });
56         }
57     }
58 
59     private void initNegativeButton() {
60         if(negativeButtonText!=null){
61             negative = (Button) findViewById(R.id.negative);
62             negative.setText(negativeButtonText);
63         }
64         if(negativeButtonClickListener!=null){
65             //外部不自己设置就直接使用xml中默认的
66             negative = (Button) findViewById(R.id.negative);
67             negative.setOnClickListener(new View.OnClickListener() {
68                 @Override
69                 public void onClick(View v) {
70                     negativeButtonClickListener.onClick(MyDialog.this, DialogInterface.BUTTON_NEGATIVE);
71                 }
72             });
73         }
74     }
75     
76     
77     private void initCanceledOnTouchOutside() {
78         rl = (RelativeLayout) findViewById(R.id.rl);
79         ll = (LinearLayout) findViewById(R.id.ll);
80 
81         rl.setOnTouchListener(new OnTouchListener() {
82             @Override
83             public boolean onTouch(View v, MotionEvent event) {
84                 dismiss();// 关闭对话框
85                 return false;
86             }
87         });
88         ll.setOnClickListener(new View.OnClickListener() {
89 
90             @Override
91             public void onClick(View v) {
92 
93             }
94 
95         });
96     }
97 }

MyDialog

5、MainActivity

 1 public class MainActivity extends Activity {
 2 
 3     
 4     @Override
 5     protected void onCreate(Bundle savedInstanceState) {
 6         super.onCreate(savedInstanceState);
 7         setContentView(R.layout.activity_main);
 8     }
 9 
10     public void alertDialog(View v){
11         MyDialog dialog = new MyDialog(this);
12         
13         dialog.setPositiveButton("更新你妹", new DialogInterface.OnClickListener() {
14             @Override
15             public void onClick(DialogInterface dialog, int which) {
16                 //设置你的操作，这里只做关闭对对话框操作
17                 dialog.dismiss();
18             }
19         });
20         
21         dialog.setNegativeButton("取消你弟", new DialogInterface.OnClickListener() {
22             @Override
23             public void onClick(DialogInterface dialog, int which) {
24                 //设置你的操作，这里只做关闭对话框操作
25                 dialog.dismiss();
26                 
27             }
28         });
29         
30         dialog.show();
31         //使用这个函数设置，必须在自定义Dialog的主题中设置name="android:windowIsFloating">true，否则Dialog将使用全屏
32         //本次测试需要自定义效果，暂且设置不浮动，Dialog占满全屏，使用相对布局，Dialog可见内容部分居中，点击之外的部分可关闭对话框
33         //diaolg.setCanceledOnTouchOutside(true);
34         
35         
36         
37     }
38 }

MainActivity

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原文地址：https://www.cnblogs.com/Claire6649/p/5968947.html