任务2：选项卡组件和ListView组件结合模拟新浪微博

package com.example.ui2;

import android.app.TabActivity;
import android.content.Intent;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.Menu;
import android.widget.TabHost;

public class MainActivity extends TabActivity {

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
//setContentView(R.layout.main);
TabHost tabHost=getTabHost();
LayoutInflater.from(this).inflate(R.layout.main,
tabHost.getTabContentView(), true);
Intent intent=new Intent();
intent.setClass(this, Tab01Activity.class);
tabHost.addTab(tabHost
.newTabSpec("tab1")
.setIndicator("",
getResources().getDrawable(R.drawable.p1))
.setContent(intent));
tabHost.addTab(tabHost
.newTabSpec("tab2")
.setIndicator("",
getResources().getDrawable(R.drawable.p2))
.setContent(R.id.tab2));
tabHost.addTab(tabHost
.newTabSpec("tab3")
.setIndicator("",
getResources().getDrawable(R.drawable.p3))
.setContent(R.id.tab3));
}

@Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.main, menu);
return true;
}

}

package com.example.ui2;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import android.app.Activity;
import android.os.Bundle;
import android.view.Menu;
import android.view.View;
import android.widget.AdapterView;

import android.widget.AdapterView.OnItemClickListener;
import android.widget.ListView;
import android.widget.SimpleAdapter;
import android.widget.Toast;

public class Tab01Activity extends Activity {
private List<Map<String, ?>> data;
private ListView listItem;

@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.tab1_main);
listItem = (ListView) this.findViewById(R.id.list);
data = getData();
SimpleAdapter adapter = new SimpleAdapter(this, data,
R.layout.tab1_item, new String[] { "image", "name", "publish",
"content" }, new int[] { R.id.image, R.id.name,
R.id.publish, R.id.content });
listItem.setAdapter(adapter);
listItem.setOnItemClickListener(new OnItemClickListener() {

@Override
public void onItemClick(AdapterView<?> adapter, View view,
int position, long id) {
// TODO Auto-generated method stub
Map<String, Object> item = (Map<String, Object>) data
.get(position);
Toast.makeText(getApplicationContext(),
item.get("name") + "\n\n" + item.get("content"),
Toast.LENGTH_LONG).show();

}
});
}

private List<Map<String, ?>> getData() {
List<Map<String, ?>> data = new ArrayList<Map<String, ?>>();
Map<String, Object> item = new HashMap<String, Object>();
item.put("image", R.drawable.p1);
item.put("name", "想想");
item.put("publish", "1分钟前");
item.put("content", "我正在学习安卓Listview。嘎嘎嘎嘎嘎嘎嘎");
data.add(item);
item = new HashMap<String, Object>();
item.put("image", R.drawable.p2);
item.put("name", "嘻嘻");
item.put("publish", "10分钟前");
item.put("content", "今天很高兴阿！");
data.add(item);
item = new HashMap<String, Object>();
item.put("image", R.drawable.p3);
item.put("name", "丽丽");
item.put("publish", "5分钟前");
item.put("content", "今天遇见一件好玩的事情。");
data.add(item);
item = new HashMap<String, Object>();
item.put("image", R.drawable.p4);
item.put("name", "西西");
item.put("publish", "2分钟前");
item.put("content", "今天天气真好哈！");
data.add(item);
item = new HashMap<String, Object>();
item.put("image", R.drawable.p5);
item.put("name", "露露");
item.put("publish", "10分钟前");
item.put("content", "今天真高兴阿！");
data.add(item);
item = new HashMap<String, Object>();
item.put("image", R.drawable.p6);
item.put("name", "美美");
item.put("publish", "2分钟前");
item.put("content", "今天真高兴阿！");
data.add(item);
item = new HashMap<String, Object>();
item.put("image", R.drawable.p7);
item.put("name", "晕晕");
item.put("publish", "5分钟前");
item.put("content", "今天真高兴阿！");
data.add(item);

return data;
}

@Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.main, menu);
return true;
}

}

/** Automatically generated file. DO NOT MODIFY */
package com.example.ui2;

public final class BuildConfig {
public final static boolean DEBUG = true;
}

/* AUTO-GENERATED FILE.  DO NOT MODIFY.
*
* This class was automatically generated by the
* aapt tool from the resource data it found.  It
* should not be modified by hand.
*/

package com.example.ui2;

public final class R {
public static final class attr {
}
public static final class dimen {
/**  Default screen margins, per the Android Design guidelines.

Customize dimensions originally defined in res/values/dimens.xml (such as
screen margins) for sw720dp devices (e.g. 10" tablets) in landscape here.

*/
public static final int activity_horizontal_margin=0x7f040000;
public static final int activity_vertical_margin=0x7f040001;
}
public static final class drawable {
public static final int ic_launcher=0x7f020000;
public static final int p1=0x7f020001;
public static final int p10=0x7f020002;
public static final int p2=0x7f020003;
public static final int p3=0x7f020004;
public static final int p4=0x7f020005;
public static final int p5=0x7f020006;
public static final int p6=0x7f020007;
public static final int p7=0x7f020008;
public static final int p8=0x7f020009;
public static final int p9=0x7f02000a;
}
public static final class id {
public static final int action_settings=0x7f080007;
public static final int content=0x7f080005;
public static final int image=0x7f080002;
public static final int list=0x7f080006;
public static final int name=0x7f080003;
public static final int publish=0x7f080004;
public static final int tab2=0x7f080000;
public static final int tab3=0x7f080001;
}
public static final class layout {
public static final int activity_tab01=0x7f030000;
public static final int main=0x7f030001;
public static final int tab1_item=0x7f030002;
public static final int tab1_main=0x7f030003;
}
public static final class menu {
public static final int main=0x7f070000;
public static final int tab01=0x7f070001;
}
public static final class string {
public static final int action_settings=0x7f050001;
public static final int app_name=0x7f050000;
public static final int hello_world=0x7f050002;
public static final int title_activity_tab01=0x7f050003;
}
public static final class style {
/**
Base application theme, dependent on API level. This theme is replaced
by AppBaseTheme from res/values-vXX/styles.xml on newer devices.

Theme customizations available in newer API levels can go in
res/values-vXX/styles.xml, while customizations related to
backward-compatibility can go here.

Base application theme for API 11+. This theme completely replaces
AppBaseTheme from res/values/styles.xml on API 11+ devices.

API 11 theme customizations can go here.

Base application theme for API 14+. This theme completely replaces
AppBaseTheme from BOTH res/values/styles.xml and
res/values-v11/styles.xml on API 14+ devices.

API 14 theme customizations can go here.
*/
public static final int AppBaseTheme=0x7f060000;
/**  Application theme.
All customizations that are NOT specific to a particular API-level can go here.
*/
public static final int AppTheme=0x7f060001;
}
}

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
tools:context=".Tab01Activity" >

<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/hello_world" />

</RelativeLayout>

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
>

<ImageView
android:id="@+id/tab2"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:src="@drawable/p2"/>
<ImageView
android:id="@+id/tab3"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:src="@drawable/p3"/>

</RelativeLayout>

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="horizontal"
>
<ImageView
android:id="@+id/image"
android:padding="10dp"
android:layout_width="48dp"
android:layout_height="48dp" />

<LinearLayout
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:orientation="vertical" >

<LinearLayout
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:orientation="horizontal" >

<TextView
android:id="@+id/name"
android:paddingTop="10dp"
android:layout_width="wrap_content"
android:layout_height="wrap_content" />

<TextView
android:id="@+id/publish"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:paddingTop="10dp"
android:gravity="right" />
</LinearLayout>

<TextView
android:id="@+id/content"
android:paddingTop="10dp"
android:paddingBottom="10dp"
android:layout_width="fill_parent"
android:layout_height="wrap_content" />
</LinearLayout>

</LinearLayout>

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
>
<ListView
android:id="@+id/list"
android:layout_width="fill_parent"
android:layout_height="fill_parent" >
</ListView>

</LinearLayout>