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<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"
tools:context=".MainActivity" >
<HorizontalScrollView
android:id="@+id/sc"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:scrollbars="none" >
<LinearLayout
android:id="@+id/line_sc"
android:layout_width="match_parent"
android:layout_height="wrap_content" >
</LinearLayout>
</HorizontalScrollView>
<LinearLayout
android:id="@+id/view"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_below="@id/sc"
/>
<android.support.v4.view.ViewPager
android:id="@+id/vp"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_below="@id/view" >
</android.support.v4.view.ViewPager>
</RelativeLayout>
package com.bwie.test;
import java.util.ArrayList;
import com.bwie.adapter.MyAdapter;
import com.bwie.fragment.F1;
import com.bwie.utils.Myutil;
import android.os.Bundle;
import android.app.Activity;
import android.graphics.Color;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentActivity;
import android.support.v4.app.FragmentManager;
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.widget.HorizontalScrollView;
import android.widget.LinearLayout;
import android.widget.LinearLayout.LayoutParams;
import android.widget.TextView;
public class MainActivity extends FragmentActivity {
private LinearLayout line_sc;
private HorizontalScrollView sc;
private String[] column = new String[] { "舍内要闻", "本社介绍", "履行职能", "自身建设",
"社员风采", "自我介绍", "校内趣闻", "爆料" };
private ArrayList<Fragment> list;
private ViewPager vp;
private int widthPixels;
private ArrayList<TextView> list_view;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
/**
* 获取窗口的 宽度
*/
// 创建DisplayMetrics类对象
DisplayMetrics dm = new DisplayMetrics();
// 将当前窗口的一些信息放在DisplayMetrics类中
getWindowManager().getDefaultDisplay().getMetrics(dm);
widthPixels = dm.widthPixels;
// 初始化数据
init();
// 获取栏目的数据
getColumn();
// 创建fragment数据
setFragment();
// 为vp设置数据
FragmentManager fm = getSupportFragmentManager();
vp.setAdapter(new MyAdapter(fm, list));
setTitle_1(vp.getCurrentItem());
// 为vp设置页面滑动监听
vp.setOnPageChangeListener(new OnPageChangeListener() {
@Override
public void onPageSelected(int arg0) {
//设置游标
setTitle_1(arg0);
//设置滑动
setAutoScroll(arg0);
}
@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
}
});
}
protected void setAutoScroll(int p) {
// TODO Auto-generated method stub
//获取当前要展示的游标
TextView textView = list_view.get(p);
//获取其宽度
int w = textView.getMeasuredWidth();
int left = textView.getLeft();
int address=left-widthPixels/2;
sc.smoothScrollTo(address, 0);
}
private void setFragment() {
// 创建集合存放fragment对象
list = new ArrayList<Fragment>();
for (int i = 0; i < column.length; i++) {
F1 f1 = new F1();
// 传值
Bundle b = new Bundle();
b.putInt("column", i);
f1.setArguments(b);
// 将创建的fragment添加到集合中
list.add(f1);
}
}
private void setTitle_1(int arg0) {
//设置当前显示的textview控件
TextView textView = list_view.get(arg0);
//将当前的textview显示
textView.setVisibility(View.VISIBLE);
for(int i=0;i<list_view.size();i++)
{
TextView tv = list_view.get(i);
if(tv!=textView)
{
tv.setVisibility(View.GONE);
}
}
}
private void getColumn() {
// TODO Auto-generated method stub
list_view = new ArrayList<TextView>();
for (int i = 0; i < column.length; i++) {
// 创建线性布局来整体作为水平滚动的子布局
LinearLayout sc = new LinearLayout(MainActivity.this);
// 设置线性布局的排列方式(垂直)
sc.setOrientation(1);
sc.setPadding(30, 0, 0, 0);
// 1.首先向线性布局中添加textview
// 创建textview
TextView tv = new TextView(MainActivity.this);
// 为tv设置数据
tv.setText(column[i]);
LinearLayout.LayoutParams params = new LayoutParams(
widthPixels / 5, LayoutParams.WRAP_CONTENT);
sc.addView(tv, params);
// 2.向线性布局中添加下面的横线
TextView tv_line = new TextView(MainActivity.this);
LinearLayout.LayoutParams params_2 = new LayoutParams(
widthPixels / 5, 10);
tv_line.setBackgroundColor(Color.GRAY);
tv_line.setVisibility(View.INVISIBLE);
list_view.add(tv_line);
sc.addView(tv_line, params_2);
// 将数据添加到 线性布局中
line_sc.addView(sc);
}
}
private void init() {
line_sc = (LinearLayout) findViewById(R.id.line_sc);
sc = (HorizontalScrollView) findViewById(R.id.sc);
vp = (ViewPager) findViewById(R.id.vp);
}
}
HorizontalScrollView滑动 ViewPager切换
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原文地址：http://www.cnblogs.com/ldou/p/5322662.html
