先给大家展示效果图：
1.新建testfragmen继承fragment
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public class testfragment extends fragment {
private static final string tag = "testfragment";
private string hello;// = "hello android";
private string defaulthello = "default value";
private map<string, object=""> maplist;
static testfragment newinstance(string s, map<string, object=""> map) {
testfragment newfragment = new testfragment();
// bundle bundle = new bundle();
// bundle.putstring("hello", s);
// newfragment.setarguments(bundle);
final serializablemap mymap=new serializablemap();
mymap.setmap(map);
bundle bundle = new bundle();
bundle.putserializable("map", mymap);
newfragment.setarguments(bundle);
return newfragment;
}
@override
public void oncreate(bundle savedinstancestate) {
super.oncreate(savedinstancestate);
log.d(tag, "testfragment-----oncreate");
bundle args = getarguments();
// hello = args != null ? args.getstring("hello") : defaulthello;
bundle bundle = getarguments();
serializablemap serializablemap = (serializablemap) bundle.get("map");
maplist =serializablemap.getmap();
}
@override
public view oncreateview(layoutinflater inflater, viewgroup container,bundle savedinstancestate) {
log.d(tag, "testfragment-----oncreateview");
view view = inflater.inflate(r.layout.lay1, container, false);
// textview viewhello = (textview) view.findviewbyid(r.id.tv_hello);
//viewhello.settext(maplist.get("userid")+"time");
listview lv = (listview) view.findviewbyid(r.id.listview3);
contactadapter hc = new contactadapter(getactivity().getapplicationcontext(),getcontact());
lv.setadapter(hc);
lv.setcachecolorhint(0);
return view;
}
private arraylist<contact> getcontact(){
arraylist<contact> hclist = new arraylist<contact>();
for(int i=0;i<10;i++)
{
contact c0 = new contact();
c0.settxpath(r.drawable.more_game+"");
c0.setname(maplist.get("userid")+" 年龄："+maplist.get("age"));
hclist.add(c0);
}
return hclist;
}
@override
public void ondestroy() {
super.ondestroy();
log.d(tag, "testfragment-----ondestroy");
}
}
</contact></contact></contact></string,></string,>
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2.myfragmentpageradapter继承fragmentpageradapter
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public class myfragmentpageradapter extends fragmentpageradapter {
private arraylist<fragment> fragmentslist;
public myfragmentpageradapter(fragmentmanager fm) {
super(fm);
}
public myfragmentpageradapter(fragmentmanager fm, arraylist<fragment> fragments) {
super(fm);
this.fragmentslist = fragments;
}
@override
public int getcount() {
return fragmentslist.size();
}
@override
public fragment getitem(int arg0) {
return fragmentslist.get(arg0);
}
@override
public int getitemposition(object object) {
return super.getitemposition(object);
}
}
</fragment></fragment>
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3.mainactivity 要继承fragmentactivity
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public class mainactivity extends fragmentactivity {
private static final string tag = "mainactivity";
private viewpager mpager;
private arraylist<fragment> fragmentslist;
private imageview ivbottomline;
private textview tvtabactivity, tvtabgroups, tvtabfriends, tvtabchat;
private int currindex = 0;
private int bottomlinewidth;
private int offset = 0;
private int position_one;
private int position_two;
private int position_three;
private resources resources;
@override
public void oncreate(bundle savedinstancestate) {
super.oncreate(savedinstancestate);
requestwindowfeature(window.feature_no_title);
setcontentview(r.layout.main);
resources = getresources();
initwidth();
inittextview();
initviewpager();
}
private void inittextview() {
tvtabactivity = (textview) findviewbyid(r.id.tv_tab_activity);
tvtabgroups = (textview) findviewbyid(r.id.tv_tab_groups);
tvtabfriends = (textview) findviewbyid(r.id.tv_tab_friends);
tvtabchat = (textview) findviewbyid(r.id.tv_tab_chat);
tvtabactivity.setonclicklistener(new myonclicklistener(0));
tvtabgroups.setonclicklistener(new myonclicklistener(1));
tvtabfriends.setonclicklistener(new myonclicklistener(2));
tvtabchat.setonclicklistener(new myonclicklistener(3));
}
private void initviewpager() {
mpager = (viewpager) findviewbyid(r.id.vpager);
fragmentslist = new arraylist<fragment>();
map<string, object=""> parammap = new hashmap<string, object="">();
parammap.put("userid","小洪");
parammap.put("age",23);
map<string, object=""> parammap2 = new hashmap<string, object="">();
parammap2.put("userid","vatty");
parammap2.put("age",24);
map<string, object=""> parammap3 = new hashmap<string, object="">();
parammap3.put("userid","小明");
parammap3.put("age",25);
map<string, object=""> parammap4 = new hashmap<string, object="">();
parammap4.put("userid","hongshengpeng.com");
parammap4.put("age",26);
fragment activityfragment = testfragment.newinstance("hello activity.",parammap);
fragment groupfragment = testfragment.newinstance("hello group.",parammap2);
fragment friendsfragment=testfragment.newinstance("hello friends.",parammap3);
fragment chatfragment=testfragment.newinstance("hello chat.",parammap4);
fragmentslist.add(activityfragment);
fragmentslist.add(groupfragment);
fragmentslist.add(friendsfragment);
fragmentslist.add(chatfragment);
mpager.setadapter(new myfragmentpageradapter(getsupportfragmentmanager(), fragmentslist));
mpager.setcurrentitem(0);
mpager.setonpagechangelistener(new myonpagechangelistener());
}
private void initwidth() {
ivbottomline = (imageview) findviewbyid(r.id.iv_bottom_line);
bottomlinewidth = ivbottomline.getlayoutparams().width;
log.d(tag, "cursor imageview width=" + bottomlinewidth);
displaymetrics dm = new displaymetrics();
getwindowmanager().getdefaultdisplay().getmetrics(dm);
int screenw = dm.widthpixels;
offset = (int) ((screenw / 4.0 - bottomlinewidth) / 2);
log.i("mainactivity", "offset=" + offset);
position_one = (int) (screenw / 4.0);
position_two = position_one * 2;
position_three = position_one * 3;
}
public class myonclicklistener implements view.onclicklistener {
private int index = 0;
public myonclicklistener(int i) {
index = i;
}
@override
public void onclick(view v) {
mpager.setcurrentitem(index);
}
};
public class myonpagechangelistener implements onpagechangelistener {
@override
public void onpageselected(int arg0) {
animation animation = null;
switch (arg0) {
case 0:
if (currindex == 1) {
animation = new translateanimation(position_one, 0, 0, 0);
tvtabgroups.settextcolor(resources.getcolor(r.color.lightwhite));
} else if (currindex == 2) {
animation = new translateanimation(position_two, 0, 0, 0);
tvtabfriends.settextcolor(resources.getcolor(r.color.lightwhite));
} else if (currindex == 3) {
animation = new translateanimation(position_three, 0, 0, 0);
tvtabchat.settextcolor(resources.getcolor(r.color.lightwhite));
}
tvtabactivity.settextcolor(resources.getcolor(r.color.white));
break;
case 1:
if (currindex == 0) {
animation = new translateanimation(0, position_one, 0, 0);
tvtabactivity.settextcolor(resources.getcolor(r.color.lightwhite));
} else if (currindex == 2) {
animation = new translateanimation(position_two, position_one, 0, 0);
tvtabfriends.settextcolor(resources.getcolor(r.color.lightwhite));
} else if (currindex == 3) {
animation = new translateanimation(position_three, position_one, 0, 0);
tvtabchat.settextcolor(resources.getcolor(r.color.lightwhite));
}
tvtabgroups.settextcolor(resources.getcolor(r.color.white));
break;
case 2:
if (currindex == 0) {
animation = new translateanimation(0, position_two, 0, 0);
tvtabactivity.settextcolor(resources.getcolor(r.color.lightwhite));
} else if (currindex == 1) {
animation = new translateanimation(position_one, position_two, 0, 0);
tvtabgroups.settextcolor(resources.getcolor(r.color.lightwhite));
} else if (currindex == 3) {
animation = new translateanimation(position_three, position_two, 0, 0);
tvtabchat.settextcolor(resources.getcolor(r.color.lightwhite));
}
tvtabfriends.settextcolor(resources.getcolor(r.color.white));
break;
case 3:
if (currindex == 0) {
animation = new translateanimation(0, position_three, 0, 0);
tvtabactivity.settextcolor(resources.getcolor(r.color.lightwhite));
} else if (currindex == 1) {
animation = new translateanimation(position_one, position_three, 0, 0);
tvtabgroups.settextcolor(resources.getcolor(r.color.lightwhite));
} else if (currindex == 2) {
animation = new translateanimation(position_two, position_three, 0, 0);
tvtabfriends.settextcolor(resources.getcolor(r.color.lightwhite));
}
tvtabchat.settextcolor(resources.getcolor(r.color.white));
break;
}
currindex = arg0;
animation.setfillafter(true);
animation.setduration(300);
ivbottomline.startanimation(animation);
}
@override
public void onpagescrolled(int arg0, float arg1, int arg2) {
}
@override
public void onpagescrollstatechanged(int arg0) {
}
}
}</string,></string,></string,></string,></string,></string,></string,></string,></fragment></fragment>
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4.分别新建lay1.xml、 lay2.xml 、lay3.xml
lay1.xml
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<!--?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:background="#fff" android:orientation="vertical">
<textview android:id="@+id/tv_hello" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="textview" android:visibility="gone">
<listview android:id="@+id/listview3" android:layout_width="match_parent" android:layout_height="wrap_content" android:cachecolorhint="@android:color/transparent" android:divider="@drawable/reader_item_divider" android:listselector="@android:color/transparent">
</listview>
</textview></linearlayout>
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lay2.xml
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<!--?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" android:background="#ff8684">
</linearlayout>
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lay3.xml与lay2.xml类型
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<!--?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" android:background="#1586ff">
</linearlayout>
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main.xml
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<!--?xml version="1.0" encoding="utf-8"?-->
<linearlayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:umadsdk="http://schemas.android.com/apk/res/com.lovebus" android:layout_width="fill_parent" android:layout_height="fill_parent" android:orientation="vertical">
<linearlayout android:layout_width="match_parent" android:layout_height="wrap_content" android:orientation="vertical">
<linearlayout android:layout_width="match_parent" android:layout_height="48dip" android:background="@drawable/android_title_bg">
<imageview android:id="@+id/imageview1" android:layout_width="36dip" android:layout_height="36dip" android:layout_gravity="center_vertical" android:layout_marginleft="10dip" android:src="@drawable/more_game">
<textview android:id="@+id/textview1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_gravity="center_vertical" android:layout_marginleft="10dip" android:text="乐够go" android:textappearance="?android:attr/textappearancelarge">
<imageview android:id="@+id/imageview2" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_gravity="center_vertical" android:paddingleft="10dip" android:src="@drawable/status_online" android:visibility="gone">
</imageview></textview></imageview></linearlayout>
<linearlayout android:id="@+id/linearlayout1" android:layout_width="fill_parent" android:layout_height="wrap_content" android:paddingbottom="5dip" android:paddingtop="10dip" android:background="@color/coral">
<textview android:id="@+id/tv_tab_activity" android:layout_width="fill_parent" android:layout_height="fill_parent" android:layout_weight="1.0" android:gravity="center" android:text="@string/tab_1" android:textcolor="@color/white" android:textsize="18sp">
<textview android:id="@+id/tv_tab_groups" android:layout_width="fill_parent" android:layout_height="fill_parent" android:layout_weight="1.0" android:gravity="center" android:text="@string/tab_2" android:textcolor="@color/lightwhite" android:textsize="18sp">
<textview android:id="@+id/tv_tab_friends" android:layout_width="fill_parent" android:layout_height="fill_parent" android:layout_weight="1.0" android:gravity="center" android:text="@string/tab_3" android:textcolor="@color/lightwhite" android:textsize="18sp">
<textview android:id="@+id/tv_tab_chat" android:layout_width="fill_parent" android:layout_height="fill_parent" android:layout_weight="1.0" android:gravity="center" android:text="@string/tab_4" android:textcolor="@color/lightwhite" android:textsize="18sp">
</textview></textview></textview></textview></linearlayout>
<linearlayout android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_gravity="bottom" android:orientation="vertical" android:paddingbottom="3dip">
<imageview android:id="@+id/iv_bottom_line" android:layout_width="40dip" android:layout_height="2dip" android:layout_marginleft="20dip" android:scaletype="matrix" android:src="#fff">
</imageview></linearlayout>
</linearlayout>
</android.support.v4.view.viewpager></linearlayout>
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ps：viewpager + fragment实现滑动标签页
viewpager 结合fragment实现一个activity里包含多个可滑动的标签页，每个标签页可以有独立的布局及响应。
activity_main.xml
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<?xml version="1.0" encoding="utf-8"?>
<linearlayout 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:orientation="vertical">
<linearlayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal">
<textview
android:id="@+id/tv_guid1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_weight="1.0"
android:gravity="center"
android:text="特性1"
android:textsize="18sp"/>
<textview
android:id="@+id/tv_guid2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_weight="1.0"
android:gravity="center"
android:text="特性2" android:textsize="18sp"/>
<textview
android:id="@+id/tv_guid3"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_weight="1.0"
android:gravity="center"
android:text="特性3 " android:textsize="18sp"/>
<textview
android:id="@+id/tv_guid4"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_weight="1.0"
android:gravity="center"
android:text="特性4" android:textsize="18sp"/>
</linearlayout>
<imageview
android:id="@+id/cursor"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:scaletype="matrix"
android:src="@drawable/cursor"/>
<android.support.v4.view.viewpager
android:id="@+id/viewpager"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:flipinterval="30"
android:persistentdrawingcache="animation"/>
</linearlayout>
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mainactivity.java
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package com.example.viewpagernfragment;
import java.util.arraylist;
import android.graphics.bitmapfactory;
import android.graphics.matrix;
import android.os.bundle;
import android.support.v4.app.fragment;
import android.support.v4.app.fragmentactivity;
import android.support.v4.view.viewpager;
import android.support.v4.view.viewpager.onpagechangelistener;
import android.util.displaymetrics;
import android.view.menu;
import android.view.view;
import android.view.animation.animation;
import android.view.animation.translateanimation;
import android.widget.imageview;
import android.widget.textview;
import android.widget.toast;
public class mainactivity extends fragmentactivity {
private viewpager mpager;
private arraylist<fragment> fragmentlist;
private imageview image;
private textview view1, view2, view3, view4;
private int currindex;//当前页卡编号
private int bmpw;//横线图片宽度
private int offset;//图片移动的偏移量
@override
protected void oncreate(bundle savedinstancestate) {
super.oncreate(savedinstancestate);
setcontentview(r.layout.activity_main);
inittextview();
initimage();
initviewpager();
}
/*
* 初始化标签名
*/
public void inittextview(){
view1 = (textview)findviewbyid(r.id.tv_guid1);
view2 = (textview)findviewbyid(r.id.tv_guid2);
view3 = (textview)findviewbyid(r.id.tv_guid3);
view4 = (textview)findviewbyid(r.id.tv_guid4);
view1.setonclicklistener(new txlistener(0));
view2.setonclicklistener(new txlistener(1));
view3.setonclicklistener(new txlistener(2));
view4.setonclicklistener(new txlistener(3));
}
public class txlistener implements view.onclicklistener{
private int index=0;
public txlistener(int i) {
index =i;
}
@override
public void onclick(view v) {
// todo auto-generated method stub
mpager.setcurrentitem(index);
}
}
/*
* 初始化图片的位移像素
*/
public void initimage(){
image = (imageview)findviewbyid(r.id.cursor);
bmpw = bitmapfactory.decoderesource(getresources(), r.drawable.cursor).getwidth();
displaymetrics dm = new displaymetrics();
getwindowmanager().getdefaultdisplay().getmetrics(dm);
int screenw = dm.widthpixels;
offset = (screenw/4 - bmpw)/2;
//imgageview设置平移，使下划线平移到初始位置（平移一个offset）
matrix matrix = new matrix();
matrix.posttranslate(offset, 0);
image.setimagematrix(matrix);
}
/*
* 初始化viewpager
*/
public void initviewpager(){
mpager = (viewpager)findviewbyid(r.id.viewpager);
fragmentlist = new arraylist<fragment>();
fragment btfragment= new buttonfragment();
fragment secondfragment = testfragment.newinstance("this is second fragment");
fragment thirdfragment = testfragment.newinstance("this is third fragment");
fragment fourthfragment = testfragment.newinstance("this is fourth fragment");
fragmentlist.add(btfragment);
fragmentlist.add(secondfragment);
fragmentlist.add(thirdfragment);
fragmentlist.add(fourthfragment);
//给viewpager设置适配器
mpager.setadapter(new myfragmentpageradapter(getsupportfragmentmanager(), fragmentlist));
mpager.setcurrentitem(0);//设置当前显示标签页为第一页
mpager.setonpagechangelistener(new myonpagechangelistener());//页面变化时的监听器
}
public class myonpagechangelistener implements onpagechangelistener{
private int one = offset *2 +bmpw;//两个相邻页面的偏移量
@override
public void onpagescrolled(int arg0, float arg1, int arg2) {
// todo auto-generated method stub
}
@override
public void onpagescrollstatechanged(int arg0) {
// todo auto-generated method stub
}
@override
public void onpageselected(int arg0) {
// todo auto-generated method stub
animation animation = new translateanimation(currindex*one,arg0*one,0,0);//平移动画
currindex = arg0;
animation.setfillafter(true);//动画终止时停留在最后一帧，不然会回到没有执行前的状态
animation.setduration(200);//动画持续时间0.2秒
image.startanimation(animation);//是用imageview来显示动画的
int i = currindex + 1;
toast.maketext(mainactivity.this, "您选择了第"+i+"个页卡", toast.length_short).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;
}
}
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谷歌官方认为，viewpager应该和fragment一起使用时，此时viewpager的适配器是fragmentpageradapter，当你实现一个fragmentpageradapter,你必须至少覆盖以下方法:
getcount()
getitem()
如果viewpager没有和fragment一起，viewpager的适配器是pageradapter，它是基类提供适配器来填充页面viewpager内部，当你实现一个pageradapter,你必须至少覆盖以下方法:
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instantiateitem(viewgroup, int)
destroyitem(viewgroup, int, object)
getcount()
isviewfromobject(view, object)
[java] view plaincopy
package com.example.viewpagernfragment;
import java.util.arraylist;
import android.support.v4.app.fragment;
import android.support.v4.app.fragmentmanager;
import android.support.v4.app.fragmentpageradapter;
public class myfragmentpageradapter extends fragmentpageradapter{
arraylist<fragment> list;
public myfragmentpageradapter(fragmentmanager fm,arraylist<fragment> list) {
super(fm);
this.list = list;
}
@override
public int getcount() {
return list.size();
}
@override
public fragment getitem(int arg0) {
return list.get(arg0);
}
}
[java] view plaincopy
package com.example.viewpagernfragment;
import android.os.bundle;
import android.support.v4.app.fragment;
import android.view.layoutinflater;
import android.view.view;
import android.view.viewgroup;
import android.widget.button;
import android.widget.toast;
public class buttonfragment extends fragment{
button mybutton;
@override
public view oncreateview(layoutinflater inflater, viewgroup container,
bundle savedinstancestate) {
view rootview = inflater.inflate(r.layout.guide_1, container, false);//关联布局文件
mybutton = (button)rootview.findviewbyid(r.id.mybutton);//根据rootview找到button
//设置按键监听事件
mybutton.setonclicklistener(new view.onclicklistener() {
@override
public void onclick(view v) {
// todo auto-generated method stub
toast.maketext(buttonfragment.this.getactivity(), "button is click!", toast.length_short).show();
}
});
return rootview;
}
}
[java] view plaincopy
package com.example.viewpagernfragment;
import android.os.bundle;
import android.support.v4.app.fragment;
import android.util.log;
import android.view.layoutinflater;
import android.view.view;
import android.view.viewgroup;
import android.widget.textview;
public class testfragment extends fragment {
private static final string tag = "testfragment";
private string hello;// = "hello android";
private string defaulthello = "default value";
static testfragment newinstance(string s) {
testfragment newfragment = new testfragment();
bundle bundle = new bundle();
bundle.putstring("hello", s);
newfragment.setarguments(bundle);
//bundle还可以在每个标签里传送数据
return newfragment;
}
@override
public view oncreateview(layoutinflater inflater, viewgroup container,bundle savedinstancestate) {
log.d(tag, "testfragment-----oncreateview");
bundle args = getarguments();
hello = args != null ? args.getstring("hello") : defaulthello;
view view = inflater.inflate(r.layout.guide_2, container, false);
textview viewhello = (textview) view.findviewbyid(r.id.tv);
viewhello.settext(hello);
return view;
}
}
<?xml version="1.0" encoding="utf-8"?>
<relativelayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:background="#ff0000ff" >
<button
android:id="@+id/mybutton"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="hit me"
android:gravity="center"/>
</relativelayout>
[html] view plaincopy
<?xml version="1.0" encoding="utf-8"?>
<relativelayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="vertical"
android:background="#158684" >
<textview
android:id="@+id/tv"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="textview" />
</relativelayout>
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