ListView实现

package com.example.list;import android.os.Bundle;import android.app.Activity;import android.graphics.Color;import android.view.Menu;import android.widget.ArrayAdapter;import android.widget.LinearLayout;import android.widget.ListView;import android.widget.TextView;public class MainActivity extends Activity {private static final String array[]={"Sunday","Monday","Tuesday","Wednesday","Thursday","Friday","Saturday","Sunday"};@Overrideprotected void onCreate(Bundle savedInstanceState){super.onCreate(savedInstanceState);//setContentView(R.layout.main);LinearLayout MyLayout=new LinearLayout(this);MyLayout.setOrientation(LinearLayout.VERTICAL);MyLayout.setBackgroundColor(Color.BLACK);TextView mtv=new TextView(this);mtv.setText("This is a ListView Test");LinearLayout.LayoutParams Param1=new LinearLayout.LayoutParams(LinearLayout.LayoutParams.FILL_PARENT,LinearLayout.LayoutParams.WRAP_CONTENT);MyLayout.addView(mtv,Param1);ListView MyListView=new ListView(this);MyListView.setBackgroundColor(Color.GRAY);LinearLayout.LayoutParams Param2=new LinearLayout.LayoutParams(LinearLayout.LayoutParams.FILL_PARENT,LinearLayout.LayoutParams.WRAP_CONTENT);MyLayout.addView(MyListView,Param2);setContentView(MyLayout);ArrayAdapter<String> adapter=new ArrayAdapter<String>(this,R.layout.simple_list_item,array);MyListView.setAdapter(adapter);}@Overridepublic boolean onCreateOptionsMenu(Menu menu) {// Inflate the menu; this adds items to the action bar if it is present.getMenuInflater().inflate(R.menu.main, menu);return true;}}