android控件SlidingDrawer的学习应用

package com.touch.slidingdrawer; import android.app.Activity; import android.os.Bundle; import android.widget.ImageView; import android.widget.SlidingDrawer; import android.widget.SlidingDrawer.OnDrawerCloseListener; import android.widget.SlidingDrawer.OnDrawerOpenListener; import android.widget.SlidingDrawer.OnDrawerScrollListener; import android.widget.TextView; public class TouchSlidingDrawerActivity extends Activity { /** Called when the activity is first created. */ private ImageView img; private SlidingDrawer sliding; //private SlidingDrawer sliding1; private TextView txt; // private TextView scrolling; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); img=(ImageView)findViewById(R.id.handle); sliding=(SlidingDrawer)findViewById(R.id.slidingdrawer); //sliding1 = (SlidingDrawer)findViewById(R.id.slidingdrawer1); txt=(TextView)findViewById(R.id.txt); // scrolling=(TextView)findViewById(R.id.scrolling); //when sliding open fully sliding.setOnDrawerOpenListener(new OnDrawerOpenListener(){ //@Override public void onDrawerOpened(){ img.setImageResource(R.drawable.down); } }); //when sliding closed fully sliding.setOnDrawerCloseListener(new OnDrawerCloseListener(){ //@Override public void onDrawerClosed(){ img.setImageResource(R.drawable.up); } }); //when sliding scroll start sliding.setOnDrawerScrollListener(new OnDrawerScrollListener(){ //@Override public void onScrollStarted(){ txt.setText(R.string.scrolling); } public void onScrollEnded() { txt.setText(R.string.text); } }); } }