SlidingDrawer效果想必大家也見(jiàn)到過(guò),它就是1.5模擬器上進(jìn)入應(yīng)用程序列表的效果。下面是截圖


一、簡(jiǎn)介
SlidingDrawer隱藏屏外的內(nèi)容,并允許用戶(hù)通過(guò)handle以顯示隱藏內(nèi)容。它可以垂直或水平滑動(dòng),它有倆個(gè)View組成,其一 是可以拖動(dòng)的handle,其二是隱藏內(nèi)容的View.它里面的控件必須設(shè)置布局,在布局文件中必須指定handle和content.
例如下面
<SlidingDrawer android:layout_width="fill_parent"
android:layout_height="fill_parent" android:handle="@+id/handle"
android:content="@+id/content" android:orientation="vertical"
android:id="@+id/slidingdrawer">
<ImageButton android:id="@id/handle" android:layout_width="50dip"
android:layout_height="44dip" android:src="@drawable/up" />
<LinearLayout android:id="@id/content"
android:layout_width="fill_parent" android:layout_height="fill_parent"
android:background="#ffffff">
<TextView android:text="這是一個(gè)滑動(dòng)式抽屜的示例"
android:id="@+id/tv"
android:textSize="18px"
android:textColor="#000000"
android:gravity="center_vertical|center_horizontal"
android:layout_width="match_parent"
android:textStyle="bold"
android:layout_height="match_parent"></TextView>
</LinearLayout>
</SlidingDrawer>
二、重要屬性
android:allowSingleTap:指示是否可以通過(guò)handle打開(kāi)或關(guān)閉
android:animateOnClick:指示是否當(dāng)使用者按下手柄打開(kāi)/關(guān)閉時(shí)是否該有一個(gè)動(dòng)畫(huà)。
android:content:隱藏的內(nèi)容
android:handle:handle(手柄)
三、重要方法
animateClose():關(guān)閉時(shí)實(shí)現(xiàn)動(dòng)畫(huà)。
close():即時(shí)關(guān)閉
getContent():獲取內(nèi)容
isMoving():指示SlidingDrawer是否在移動(dòng)。
isOpened():指示SlidingDrawer是否已全部打開(kāi)
lock():屏蔽觸摸事件。
setOnDrawerCloseListener(SlidingDrawer.OnDrawerCloseListener onDrawerCloseListener):SlidingDrawer關(guān)閉時(shí)調(diào)用
unlock():解除屏蔽觸摸事件。
toggle():切換打開(kāi)和關(guān)閉的抽屜SlidingDrawer。
四、完整實(shí)例
1.布局文件slidingdrawer.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent" android:layout_height="fill_parent"
android:orientation="vertical" android:background="@drawable/default_bg">
<SlidingDrawer android:layout_width="fill_parent"
android:layout_height="fill_parent" android:handle="@+id/handle"
android:content="@+id/content" android:orientation="vertical"
android:id="@+id/slidingdrawer">
<ImageButton android:id="@id/handle" android:layout_width="50dip"
android:layout_height="44dip" android:src="@drawable/up" />
<LinearLayout android:id="@id/content"
android:layout_width="fill_parent" android:layout_height="fill_parent"
android:background="#ffffff">
<TextView android:text="這是一個(gè)滑動(dòng)式抽屜的示例"
android:id="@+id/tv"
android:textSize="18px"
android:textColor="#000000"
android:gravity="center_vertical|center_horizontal"
android:layout_width="match_parent"
android:textStyle="bold"
android:layout_height="match_parent"></TextView>
</LinearLayout>
</SlidingDrawer>
</LinearLayout>
2.Java代碼
package com.wjq;
import android.app.Activity;
import android.os.Bundle;
import android.widget.ImageButton;
import android.widget.SlidingDrawer;
import android.widget.TextView;
public class SlidingDrawerDemo extends Activity {
private SlidingDrawer mDrawer;
private ImageButton imbg;
private Boolean flag=false;
private TextView tv;
/* (non-Javadoc)
* @see android.app.Activity#onCreate(android.os.Bundle)
*/
@Override
protected void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
setContentView(R.layout.sildingdrawer);
imbg=(ImageButton)findViewById(R.id.handle);
mDrawer=(SlidingDrawer)findViewById(R.id.slidingdrawer);
tv=(TextView)findViewById(R.id.tv);
mDrawer.setOnDrawerOpenListener(new SlidingDrawer.OnDrawerOpenListener()
{
@Override
public void onDrawerOpened() {
flag=true;
imbg.setImageResource(R.drawable.down);
}
});
mDrawer.setOnDrawerCloseListener(new SlidingDrawer.OnDrawerCloseListener(){
@Override
public void onDrawerClosed() {
flag=false;
imbg.setImageResource(R.drawable.up);
}
});
mDrawer.setOnDrawerScrollListener(new SlidingDrawer.OnDrawerScrollListener(){
@Override
public void onScrollEnded() {
tv.setText("結(jié)束拖動(dòng)");
}
@Override
public void onScrollStarted() {
tv.setText("開(kāi)始拖動(dòng)");
}
});
}
}