bt1.setOnClickListener(new OnClickListener() {

public void onClick(View v) {

Toast.makeText(To.this, "短时间", Toast.LENGTH_SHORT).show();

tView.setText("短时间");

}

});

bt2.setOnClickListener(new OnClickListener() {

public void onClick(View v) {

// TODO Auto-generated method stub

Toast.makeText(To.this, "长时间", Toast.LENGTH_LONG).show();

tView.setText("长时间");

}

});

bt3.setOnClickListener(new OnClickListener() {

public void onClick(View v) {

Dialog ad=new AlertDialog.Builder(To.this)

.setTitle("警告")//设置标题

.setIcon(R.drawable.icon)//设置图片

.setMessage("提示警告")//设置提示信息

.create();

ad.show();

}

});

bt4.setOnClickListener(new OnClickListener() {

			public void onClick(View v) {

				final ProgressDialog proDia=ProgressDialog

				.show(To.this, "搜索信号", "请耐心等待~~~");

				new Thread(){

					public void run(){

						try {

							Thread.sleep(3000);//运行3秒后关闭对话框

						} catch (Exception e) {

							// TODO: handle exception

						}finally{

							proDia.dismiss();//关闭对话框

						}

					}

				}.start();	//线程启动

				proDia.show();//显示对话框

			}

		});　　

sb.setProgress(60);//固定进度

sb.setOnSeekBarChangeListener(new OnSeekBarChangeListener() {

public void onStopTrackingTouch(SeekBar seekBar) {

tView.append("结束拖动"+seekBar.getProgress());

}

public void onStartTrackingTouch(SeekBar seekBar) {

tView.append("开始拖动"+seekBar.getProgress());

}

public void onProgressChanged(SeekBar seekBar, int progress,

boolean fromUser) {

tView.append("拖动进度"+progress);

}

});

<ListView

android:layout_width="fill_parent"

android:entries="@array/city"

android:layout_height="wrap_content"

android:background="#ff0000"

></ListView>

public class Simple extends Activity {

private List<Map<String, Object>> list=new ArrayList<Map<String,Object>>();

protected void onCreate(Bundle savedInstanceState) {

// TODO Auto-generated method stub

super.onCreate(savedInstanceState);

setContentView(R.layout.si);

ListView lv=(ListView)findViewById(R.id.lv);

String [] data=getResources().getStringArray(R.array.city);

for (int i = 0; i < data.length; i++) {

Map<String, Object> map=new HashMap<String, Object>();

map.put("photoId", R.drawable.ss);

map.put("data", data[i]);

list.add(map);

}

SimpleAdapter adapter=

new SimpleAdapter(this, list, R.layout.simple,

new String[]{"photoId","data"}, new int[]{R.id.lv,R.id.TextView01});

lv.setAdapter(adapter);

}

}