Android: SlidingDrawer 抽屜效果

Android: SlidingDrawer 抽屜效果 (Gesture View Like Facebook Notification)

要是實現這樣的功能很簡單，就是SlidingDrawer的使用

效果如下圖：手指按住Notification往上/往下拉動，顯示/隱藏notification content

XML

1. <?xml version="1.0" encoding="utf-8"?>  
2. <LinearLayout android:id="@+id/LinearLayout01"  
3.     android:layout_width="fill_parent" android:layout_height="fill_parent"  
4.     xmlns:android="http://schemas.android.com/apk/res/android"  
5.     android:orientation="vertical" android:gravity="bottom">  
6.     <SlidingDrawer android:layout_width="wrap_content"  
7.         android:id="@+id/SlidingDrawer" android:handle="@+id/slideHandleButton"  
8.         android:content="@+id/contentLayout" android:padding="10dip"  
9.         android:layout_height="200dip">  
10.         <Button android:layout_width="wrap_content"  
11.             android:layout_height="wrap_content" android:id="@+id/slideHandleButton"  
12.             android:background="@drawable/arrowup"></Button>  
13.         <LinearLayout android:layout_width="wrap_content"  
14.             android:id="@+id/contentLayout" android:orientation="vertical"  
15.             android:gravity="center|top" android:padding="10dip"  
16.             android:background="#505050" android:layout_height="wrap_content">  
17.             <TextView android:id="@+id/TextView01" android:layout_width="wrap_content"  
18.                 android:layout_height="fill_parent" android:layout_weight="8" android:text="Hello Slider"></TextView>  
19.             <Button android:id="@+id/Button02" android:layout_weight="2" android:layout_width="wrap_content"  
20.                 android:layout_height="wrap_content" android:text="Do anything"></Button>  
21.         </LinearLayout>  
22.     </SlidingDrawer>  
23. </LinearLayout>  

activity

1. public class SliderActivity extends Activity {  
2.     Button slideHandleButton;  
3.     SlidingDrawer slidingDrawer;  
4.   
5.     @Override  
6.     public void onCreate(Bundle savedInstanceState) {  
7.         super.onCreate(savedInstanceState);  
8.   
9.         setContentView(R.layout.main);  
10.         slideHandleButton = (Button) findViewById(R.id.slideHandleButton);  
11.         slidingDrawer = (SlidingDrawer) findViewById(R.id.SlidingDrawer);  
12.   
13.         slidingDrawer.setOnDrawerOpenListener(new OnDrawerOpenListener() {  
14.             @Override  
15.             public void onDrawerOpened() {  
16.                 slideHandleButton.setBackgroundResource(R.drawable.arrowdown);  
17.             }  
18.         });  
19.   
20.         slidingDrawer.setOnDrawerCloseListener(new OnDrawerCloseListener() {  
21.             @Override  
22.             public void onDrawerClosed() {  
23.                 slideHandleButton.setBackgroundResource(R.drawable.arrowup);  
24.             }  
25.         });  
26.     }  
27. }  

不用講解，layout.xml和java代碼很清晰。