安卓ListView以及GridView用法以及源码.docx

实验5.1：package com.example.test5;import android.os.Bundle;importandroid.R.string;import android.app.Activity;import android.view.Menu;import android.view.View;import android.widget.AdapterView;import android.widget.AdapterView.OnItemClickListener;import android.widget.ArrayAdapter;import android.widget.ListView;import android.widget.TextView;import android.widget.Toast;publicclass MainActivity extends Activity {privatestaticfinal String[] strs = new String[] {first, second, third, fourth, fifth};//定义一个String数组用来显示ListView的内容@Overrideprotectedvoid onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);ListView list = (ListView)findViewById(R.id.listView1);list.setAdapter(new ArrayAdapterString(this,android.R.layout.simple_list_item_1,strs));list.setOnItemClickListener(new OnItemClickListener(){@Overridepublicvoid onItemClick(AdapterView? arg0, View view, intarg2, longid) {// TODO Auto-generated method stubString str = (String) ((TextView) view).getText();//Toast.makeText(this, text, duration)Toast.makeText(getApplicationContext(),str, Toast.LENGTH_SHORT).show();}});}@Overridepublicboolean onCreateOptionsMenu(Menu menu) {// Inflate the menu; this adds items to the action bar if it is present.getMenuInflater().inflate(R.menu.main, menu);returntrue;}}Layout XML:RelativeLayoutxmlns:android=/apk/res/androidxmlns:tools=/toolsandroid:layout_width=match_parentandroid:layout_height=match_parentandroid:paddingBottom=@dimen/activity_vertical_marginandroid:paddingLeft=@dimen/activity_horizontal_marginandroid:paddingRight=@dimen/activity_horizontal_marginandroid:paddingTop=@dimen/activity_vertical_margintools:context=.MainActivityTextViewandroid:id=@+id/textView1android:layout_width=wrap_contentandroid:layout_height=wrap_contentandroid:text=@string/hello_world/ListViewandroid:id=@+id/listView1android:layout_width=match_parentandroid:layout_height=wrap_contentandroid:layout_alignLeft=@+id/textView1android:layout_below=@+id/tex