主程序文件
[java]
package com.example.melistview;
import android.os.Bundle;
import android.app.Activity;
import android.app.ListActivity;
import android.view.Menu;
import android.view.View;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.Toast;
public class MainActivity extends ListActivity {
String[] presidents;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
ListView listView = getListView();
listView.setChoiceMode(ListView.CHOICE_MODE_MULTIPLE);
listView.setTextFilterEnabled(true);
presidents = getResources().getStringArray(R.array.presidents_array);
setListAdapter(new ArrayAdapter<String>(this, android.R.layout.simple_list_item_checked,presidents));
}
@Override
protected void onListItemClick(ListView l, View v, int position, long id) {
// TODO Auto-generated method stub
Toast.makeText(this, "You Have Select " + presidents[position], Toast.LENGTH_LONG).show();
}
@Override
public 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;
}
public void onClick(View view){
ListView listView = getListView();
String itemSelected = "item selected \n";
for(int i = 0; i < listView.getCount(); i++){
if(listView.isItemChecked(i)){
itemSelected += listView.getItemAtPosition(i) + "\n";
}
}
Toast.makeText(this, itemSelected, Toast.LENGTH_LONG).show();
}
}
[/java]
布局文件
[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" >
<Button android:id="@+id/btn"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="Show selected items"
android:onClick="onClick"/>
<ListView
android:id="@+id/android:list"
android:layout_width="wrap_content"
android:layout_height="wrap_content" />
</LinearLayout>
[/xml]
效果图
