自定义Dialog之信息提示 DialogAndroid之Dialog自定义Dialog

对话框对于应用也是必不可少的一个组件，在Android中也不例外，对话框对于一些提示重要信息，或者一些需要用户额外交互的一些内容很有帮助。

自定义Dialog步骤： 
1、主要创建Java类,并继承Dialog 
2、创建布局文件来加载和一些样式文件

效果图： 

                   

            

DialogBox.java

Java代码

1. public class DialogBox extends Dialog {  
2.   
3.     public DialogBox(Context context) {  
4.         super(context);  
5.     }  
6.   
7.     public DialogBox(Context context, int theme) {  
8.         super(context, theme);  
9.     }  
10.   
11.     public static class Builder {  
12.         private Context context;  
13.         private String title;  
14.         private String message;  
15.         private String positiveButtonText;  
16.         private String negativeButtonText;  
17.         private View contentView;  
18.         private DialogInterface.OnClickListener positiveButtonClickListener;  
19.         private DialogInterface.OnClickListener negativeButtonClickListener;  
20.   
21.         public Builder(Context context) {  
22.             this.context = context;  
23.         }  
24.   
25.         public Builder setMessage(String message) {  
26.             this.message = message;  
27.             return this;  
28.         }  
29.   
30.         /** 
31.          * Set the Dialog message from resource 
32.          *  
33.          * @param title 
34.          * @return 
35.          */  
36.         public Builder setMessage(int message) {  
37.             this.message = (String) context.getText(message);  
38.             return this;  
39.         }  
40.   
41.         /** 
42.          * Set the Dialog title from resource 
43.          *  
44.          * @param title 
45.          * @return 
46.          */  
47.         public Builder setTitle(int title) {  
48.             this.title = (String) context.getText(title);  
49.             return this;  
50.         }  
51.   
52.         /** 
53.          * Set the Dialog title from String 
54.          *  
55.          * @param title 
56.          * @return 
57.          */  
58.   
59.         public Builder setTitle(String title) {  
60.             this.title = title;  
61.             return this;  
62.         }  
63.   
64.         public Builder setContentView(View v) {  
65.             this.contentView = v;  
66.             return this;  
67.         }  
68.   
69.         /** 
70.          * Set the positive button resource and it's listener 
71.          *  
72.          * @param positiveButtonText 
73.          * @return 
74.          */  
75.         public Builder setPositiveButton(int positiveButtonText,  
76.                 DialogInterface.OnClickListener listener) {  
77.             this.positiveButtonText = (String) context  
78.                     .getText(positiveButtonText);  
79.             this.positiveButtonClickListener = listener;  
80.             return this;  
81.         }  
82.   
83.         public Builder setPositiveButton(String positiveButtonText,  
84.                 DialogInterface.OnClickListener listener) {  
85.             this.positiveButtonText = positiveButtonText;  
86.             this.positiveButtonClickListener = listener;  
87.             return this;  
88.         }  
89.   
90.         public Builder setNegativeButton(int negativeButtonText,  
91.                 DialogInterface.OnClickListener listener) {  
92.             this.negativeButtonText = (String) context  
93.                     .getText(negativeButtonText);  
94.             this.negativeButtonClickListener = listener;  
95.             return this;  
96.         }  
97.   
98.         public Builder setNegativeButton(String negativeButtonText,  
99.                 DialogInterface.OnClickListener listener) {  
100.             this.negativeButtonText = negativeButtonText;  
101.             this.negativeButtonClickListener = listener;  
102.             return this;  
103.         }  
104.   
105.         public DialogBox create() {  
106.             LayoutInflater inflater = (LayoutInflater) context  
107.                     .getSystemService(Context.LAYOUT_INFLATER_SERVICE);  
108.             final DialogBox dialog = new DialogBox(context, R.style.Dialog);  
109.             View layout = inflater.inflate(R.layout.dialog_normal_layout, null);  
110.             dialog.addContentView(layout, new LayoutParams(  
111.                     LayoutParams.FILL_PARENT, LayoutParams.WRAP_CONTENT));  
112.             ((TextView) layout.findViewById(R.id.title)).setText(title);  
113.             if (positiveButtonText != null) {  
114.                 ((Button) layout.findViewById(R.id.positiveButton))  
115.                         .setText(positiveButtonText);  
116.                 if (positiveButtonClickListener != null) {  
117.                     ((Button) layout.findViewById(R.id.positiveButton))  
118.                             .setOnClickListener(new View.OnClickListener() {  
119.                                 public void onClick(View v) {  
120.                                     positiveButtonClickListener.onClick(dialog,  
121.                                             DialogInterface.BUTTON_POSITIVE);  
122.                                 }  
123.                             });  
124.                 }  
125.             } else {  
126.                 layout.findViewById(R.id.positiveButton).setVisibility(  
127.                         View.GONE);  
128.             }  
129.             if (negativeButtonText != null) {  
130.                 ((Button) layout.findViewById(R.id.negativeButton))  
131.                         .setText(negativeButtonText);  
132.                 if (negativeButtonClickListener != null) {  
133.                     ((Button) layout.findViewById(R.id.negativeButton))  
134.                             .setOnClickListener(new View.OnClickListener() {  
135.                                 public void onClick(View v) {  
136.                                     negativeButtonClickListener.onClick(dialog,  
137.                                             DialogInterface.BUTTON_NEGATIVE);  
138.                                 }  
139.                             });  
140.                 }  
141.             } else {  
142.                 layout.findViewById(R.id.negativeButton).setVisibility(  
143.                         View.GONE);  
144.             }  
145.             if (message != null) {  
146.                 ((TextView) layout.findViewById(R.id.message)).setText(message);  
147.             } else if (contentView != null) {  
148.                 ((LinearLayout) layout.findViewById(R.id.content))  
149.                         .removeAllViews();  
150.                 ((LinearLayout) layout.findViewById(R.id.content)).addView(  
151.                         contentView, new LayoutParams(LayoutParams.FILL_PARENT,  
152.                                 LayoutParams.FILL_PARENT));  
153.             }  
154.             dialog.setContentView(layout);  
155.             return dialog;  
156.         }  
157.   
158.     }  
159. }  

自定义View的布局文件：

 

<?xml version="1.0" encoding="utf-8"?>
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:clickable="true"
    android:orientation="vertical"
    android:padding="20.0dip" >

    <LinearLayout
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:layout_gravity="center"
        android:background="#FA90BC"
        android:orientation="vertical" >

        <TextView
            android:id="@+id/title"
            style="@style/text_18_ffffff"
            android:layout_width="fill_parent"
            android:layout_height="40.0dip"
            android:gravity="center"
            android:text="提示"
            android:visibility="visible" />

        <LinearLayout
            android:id="@+id/content"
            android:layout_width="fill_parent"
            android:layout_height="wrap_content"
            android:background="#ffffff"
            android:gravity="center" >

            <TextView
                android:id="@+id/message"
                style="@style/text_16_666666"
                android:layout_width="fill_parent"
                android:layout_height="wrap_content"
                android:gravity="left|center"
                android:lineSpacingMultiplier="1.5"
                android:minHeight="65.0dip"
                android:paddingBottom="15.0dip"
                android:paddingLeft="20.0dip"
                android:paddingRight="20.0dip"
                android:paddingTop="15.0dip" />
        </LinearLayout>

        <View
            android:layout_width="fill_parent"
            android:layout_height="1.0px"
            android:background="#ffd0d0d0" />

        <LinearLayout
            android:layout_width="fill_parent"
            android:layout_height="60.0dip"
            android:layout_gravity="bottom"
            android:background="@drawable/dialog_bottom_bg"
            android:gravity="center"
            android:orientation="horizontal" >

            <Button
                android:id="@+id/positiveButton"
                style="@style/text_15_ffffff_sdw"
                android:layout_width="114.0dip"
                android:layout_height="40.0dip"
                android:background="#FA90BC"
                android:gravity="center"
                android:text="确定" />

            <Button
                android:id="@+id/negativeButton"
                style="@style/text_15_666666_sdw"
                android:layout_width="114.0dip"
                android:layout_height="40.0dip"
                android:layout_marginLeft="20.0dip"
                android:background="#ffffff"
                android:gravity="center"
                android:text="取消" />
        </LinearLayout>
    </LinearLayout>

</FrameLayout>

MainActivity.Java

 

 

public class MainActivity extends Activity {

	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_main);
	}


	public void showAlertDialog(View view) {

		DialogBox.Builder builder = new DialogBox.Builder(this);
		builder.setMessage("删除该商品？");
		builder.setTitle("温馨提示");
		builder.setPositiveButton("确定", new DialogInterface.OnClickListener() {
			public void onClick(DialogInterface dialog, int which) {
				dialog.dismiss();
				// 你的操作事项
			}
		});

		builder.setNegativeButton("取消",
				new android.content.DialogInterface.OnClickListener() {
					public void onClick(DialogInterface dialog, int which) {
						dialog.dismiss();
					}
				});

		builder.create().show();

	}
}

 

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