超简单的搜索框

搜索功能类：

[java]  view plain  copy

1. public class SearchBuilder {  
2.     private LinearLayout search_bar;  
3.     private TextView hint;  
4.     public SearchBuilder(Activity context){  
5.         search_bar = (LinearLayout) context.findViewById(R.id.search_bar_id);  
6.         hint = (TextView) context.findViewById(R.id.search_bar_text);  
7.     }  
8.   
9.     public SearchBuilder(View context){  
10.         search_bar = (LinearLayout) context.findViewById(R.id.search_bar_id);  
11.         hint = (TextView) context.findViewById(R.id.search_bar_text);  
12.     }  
13.     //搜索按钮监听  
14.     public SearchBuilder QueryOnListener(View.OnClickListener listener){  
15.         if (search_bar.getVisibility() == View.VISIBLE){  
16.             search_bar.setOnClickListener(listener);  
17.         }  
18.         return this;  
19.     }  
20.   
21.     //设置提示内容  
22.     public SearchBuilder setHintText(String hintText){  
23.         if (hint.getVisibility() == View.VISIBLE){  
24.             hint.setText(hintText);  
25.         }  
26.         return this;  
27.     }  
28. }  

layout xml:

[html]  view plain  copy

1. <?xml version="1.0" encoding="utf-8"?>  
2. <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"  
3.     android:orientation="horizontal"  
4.     android:layout_width="match_parent"  
5.     android:layout_height="40dp"  
6.     android:paddingLeft="8dp"  
7.     android:paddingRight="8dp"  
8.     android:layout_weight="1">  
9.         <LinearLayout  
10.             android:id="@+id/search_bar_id"  
11.             android:layout_width="match_parent"  
12.             android:layout_height="match_parent"  
13.             android:orientation="horizontal"  
14.             android:paddingLeft="8dp"  
15.             android:paddingRight="8dp"  
16.             android:gravity="center"  
17.             android:background="@drawable/text_rectangle_white">  
18.             <ImageView  
19.                 android:layout_width="24dp"  
20.                 android:layout_height="24dp"  
21.                 android:layout_gravity="center"  
22.                 android:background="@drawable/search"/>  
23.             <TextView  
24.                 android:id="@+id/search_bar_text"  
25.                 android:text="seach test"  
26.                 android:paddingLeft="16dp"  
27.                 android:layout_weight="1"  
28.                 android:gravity="center|left"  
29.                 android:layout_width="wrap_content"  
30.                 android:layout_height="match_parent" />  
31.         </LinearLayout>  
32. </LinearLayout>  

text_rectangle_white:

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1. <?xml version="1.0" encoding="utf-8"?>  
2. <shape xmlns:android="http://schemas.android.com/apk/res/android"  
3.     android:shape="rectangle"  
4.     android:useLevel="false">  
5.     <!-- 实心 -->  
6.     <solid android:color="@color/white" />  
7.     <!-- 圆角 -->  
8.     <corners android:radius="24dp" />  
9.     <!-- 边距 -->  
10.     <padding  
11.         android:bottom="1dp"  
12.         android:left="1dp"  
13.         android:right="1dp"  
14.         android:top="1dp" />  
15.     <!--边框线-->  
16.     <stroke  
17.         android:width="0.5dp"  
18.         android:color="@color/gray" />  
19.     <!-- 大小 -->  
20.     <size android:width="96dp"  
21.         android:height="16dp" />  
22. </shape>