android中ListView介绍,几写没写例子，今天看了视频。就写了以下的代码

package com.smart;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
public class ActivityMain extends Activity {
OnClickListener listener1 = null;
OnClickListener listener2 = null;
OnClickListener listener3 = null;
OnClickListener listener4 = null;
Button button1;
Button button2;
Button button3;
Button button4;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
perpareListeners();
button1=(Button)findViewById(R.id.button1);
button1.setOnClickListener(listener1);
button2=(Button)findViewById(R.id.button2);
button2.setOnClickListener(listener2);
button3=(Button)findViewById(R.id.button3);
button3.setOnClickListener(listener3);
button4=(Button)findViewById(R.id.button4);
button4.setOnClickListener(listener4);
// button1.setText(resid);
// button1.setBackgroundColor(color)
}
//全部进行实例化,并且根据点击进去的方法
private void perpareListeners() {
listener1 = new OnClickListener() {
@Override
public void onClick(View v) {
Intent intent1 = new Intent(ActivityMain.this, ActivtityList1.class);
startActivity(intent1);
}
};
listener2 = new OnClickListener() {
@Override
public void onClick(View v) {
Intent intent2 = new Intent(ActivityMain.this, ActivtityList2.class);
startActivity(intent2);
}
};
listener3 = new OnClickListener() {
@Override
public void onClick(View v) {
Intent intent3 = new Intent(ActivityMain.this, ActivtityList3.class);
startActivity(intent3);
}
};
listener4 = new OnClickListener() {
@Override
public void onClick(View v) {
Intent intent4 = new Intent(ActivityMain.this, ActivtityList4.class);
startActivity(intent4);
}
};
}
}
package com.smart;
import android.app.Activity;
import android.os.Bundle;
import android.widget.ArrayAdapter;
import android.widget.ListView;
public class ActivtityList1 extends Activity {
ListView listView;
//数据列表
private String[] data={"0号","1号","3号","3号","4号","5号"};
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
listView=new ListView(this);
listView.setAdapter(new ArrayAdapter<String>(this, android.R.layout.simple_list_item_single_choice, data));
// listView.setAdapter(new ArrayAdapter<String>(this, android.R.layout.simple_list_item_1, data));
listView.setItemsCanFocus(true);
listView.setChoiceMode(ListView.CHOICE_MODE_MULTIPLE);//多选
setContentView(listView);//显示
}
}
package com.smart;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Map;
import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ListView;
import android.widget.SimpleAdapter;
public class ActivtityList2 extends Activity {
private ArrayList<Map<String, Object>> data;
private ListView listView = null;
//数据列表
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
prepareData();
listView = new ListView(this);
SimpleAdapter adapter = new SimpleAdapter(this, data,
android.R.layout.simple_list_item_1,
new String[] { "姓名", "性别" }, new int[] { android.R.id.text1
});
// 下面为显示的效果
// SimpleAdapter adapter = new SimpleAdapter(this, data,
// android.R.layout.simple_list_item_2,
// new String[] { "姓名", "性别" }, new int[] { android.R.id.text1,
// android.R.id.text2 });
// SimpleAdapter adapter = new SimpleAdapter(this, data, R.layout.list1,
// new String[] { "姓名", "性别" }, new int[] { R.id.mview1,
// R.id.mview2 });
listView.setAdapter(adapter);
setContentView(listView);
OnItemClickListener listener = new OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View v,
int position, long id) {
// 标题的选择显示
setTitle(parent.getItemAtPosition(position).toString());
}
};
listView.setOnItemClickListener(listener);
}
// 增加数据
public void prepareData() {
data = new ArrayList<Map<String, Object>>();
Map<String, Object> item;
item = new HashMap<String, Object>();
item.put("姓名", "SMART");
item.put("性别", "男");
data.add(item);
item = new HashMap<String, Object>();
item.put("姓名", "SMART2");
item.put("性别", "男");
data.add(item);
item = new HashMap<String, Object>();
item.put("姓名", "SMART3");
item.put("性别", "女");
data.add(item);
}
}
package com.smart;
import android.app.ListActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.ArrayAdapter;
import android.widget.ListView;
public class ActivtityList3 extends ListActivity {
private String[] data={};
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.list3);
setListAdapter(new ArrayAdapter<String>(this, android.R.layout.simple_list_item_1,data));
}
@Override
protected void onListItemClick(ListView listView, View v, int position, long id) {
super.onListItemClick(listView, v, position, id);
setTitle(listView.getItemAtPosition(position).toString());
}
}
package com.smart;
import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.AdapterView.OnItemSelectedListener;
public class ActivtityList4 extends Activity {
ListView listView;
private String[] data={"0号","1号","3号","3号","4号","5号"};
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
listView = new ListView(this);
listView.setAdapter(new ArrayAdapter<String>(this,
android.R.layout.simple_list_item_1, data));
setContentView(listView);
OnItemSelectedListener itemSelectedListener = new OnItemSelectedListener() {
@Override
public void onItemSelected(AdapterView<?> parent, View v,
int position, long arg3) {
setTitle("您先中的软件是:"+parent.getItemAtPosition(position).toString());
}
@Override
public void onNothingSelected(AdapterView<?> arg0) {
setTitle("");
}
};
listView.setOnItemSelectedListener(itemSelectedListener);
}
}
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
>
<Button
android:id="@+id/button1"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="列表一"
/>
<Button
android:id="@+id/button2"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="列表二"
/>
<Button
android:id="@+id/button3"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="列表三"
/>
<Button
android:id="@+id/button4"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="列表四"
/>
</LinearLayout>
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="horizontal"
android:layout_width="fill_parent"
android:layout_height="wrap_content">
<TextView
android:id="@+id/mview1"
android:layout_width="100px"
android:layout_height="wrap_content"
/>
<TextView
android:id="@+id/mview2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
/>
</LinearLayout>
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="wrap_content"
android:layout_height="wrap_content">
<ListView
android:id="@id/android:list"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
/>
<TextView
android:id="@id/android:empty"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="对不起，没有数据显示"
/>
</LinearLayout>

本文转自 llb988 51CTO博客，原文链接：http://blog.51cto.com/llb988/525469，如需转载请自行联系原作者

android中ListView介绍

android中ListView介绍,几写没写例子，今天看了视频。就写了以下的代码

热门文章

最新文章

相关课程

相关电子书

推荐镜像