我有一个兼容性
ViewPager与嵌入式
PagerTitleStrip元素,它工作正常,但点击PagerTitleStrip不要按预期切换到相应的视图.我已经查看了文档,但是该widget没有任何内置的方法来附加onClickListeners到PagerTitleStrip对象.这似乎有点奇怪,因为这可能是大多数人会期望的.
所以问题是如何使标题栏可点击?
我也试图找出是否有办法在选定的标题栏下显示一个粗调的下划线,而无需添加一个TabHost,如果可能的话.
这是代码:
主要布局view_pager.xml:
- <?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="fill_parent"
- android:layout_height="fill_parent"
- android:orientation="vertical" >
- <android.support.v4.view.ViewPager
- xmlns:android="http://schemas.android.com/apk/res/android"
- android:id="@+id/my_view_pager"
- android:layout_width="match_parent"
- android:layout_height="match_parent" >
- <android.support.v4.view.PagerTitleStrip
- android:id="@+id/pager_title_strip"
- android:layout_width="match_parent"
- android:layout_height="wrap_content"
- android:layout_gravity="top"
- android:background="#ccc"
- android:textColor="#fff" />
- </android.support.v4.view.ViewPager>
- </LinearLayout>
进入ViewPager的两个片段布局:
fragment_connect.xml(第二个是相同的,所以不包括)
- <?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" >
- <TextView
- android:id="@+id/text_view_connect"
- android:layout_width="wrap_content"
- android:layout_height="wrap_content"
- android:text="connect"
- android:textAppearance="?android:attr/textAppearanceLarge" />
- </LinearLayout>
主要活动类StandardViewPagerActivity.java:
- package com.example.standardviewpager;
- import java.util.List;
- import java.util.Vector;
- import android.os.Bundle;
- import android.support.v4.app.Fragment;
- import android.support.v4.app.FragmentActivity;
- import android.support.v4.view.PagerTitleStrip;
- import android.support.v4.view.ViewPager;
- import android.view.Menu;
- public class StandardViewPagerActivity extends FragmentActivity {
- private MyPagerAdapter pagerAdapter;
- @Override
- public void onCreate(Bundle savedInstanceState) {
- super.onCreate(savedInstanceState);
- setContentView(R.layout.view_pager);
- ViewPager myPager = (ViewPager) findViewById(R.id.my_view_pager);
- PagerTitleStrip pagerStrip = (PagerTitleStrip) findViewById(R.id.pager_title_strip);
- // TODO: add underline for selected title strip
- myPager.setAdapter(pagerAdapter);
- myPager.setCurrentItem(0);
- initialisePaging();
- }
- private void initialisePaging() {
- List<Fragment> fragments = new Vector<Fragment>();
- fragments.add(Fragment.instantiate(this,ConnectFragment.class.getName()));
- fragments.add(Fragment.instantiate(this,ProfilesFragment.class.getName()));
- this.pagerAdapter = new MyPagerAdapter(super.getSupportFragmentManager(),fragments);
- ViewPager pager = (ViewPager) super.findViewById(R.id.my_view_pager);
- pager.setAdapter(this.pagerAdapter);
- }
- }
适配器类MyPagerAdapter.java:
- package com.example.standardviewpager;
- import java.util.List;
- import android.os.Parcelable;
- import android.support.v4.app.Fragment;
- import android.support.v4.app.FragmentManager;
- import android.support.v4.app.FragmentPagerAdapter;
- import android.support.v4.view.ViewPager;
- import android.view.LayoutInflater;
- import android.view.View;
- public class MyPagerAdapter extends FragmentPagerAdapter {
- private List<Fragment> fragments;
- public MyPagerAdapter(FragmentManager supportFragmentManager,List<Fragment> fragments) {
- super(supportFragmentManager);
- this.fragments = fragments;
- }
- @Override
- public int getCount() {
- return this.fragments.size();
- }
- @Override
- public void destroyItem(View arg0,int arg1,Object arg2) {
- ((ViewPager) arg0).removeView((View) arg2);
- }
- @Override
- public Parcelable saveState() {
- return null;
- }
- @Override
- public CharSequence getPageTitle(int position) {
- return String.format("Title %d",position);
- }
- @Override
- public Fragment getItem(int position) {
- return this.fragments.get(position);
- }
- }
最后,两个相同的Fragment实现,只包括第一个ConnectFragment.java.
- package com.example.standardviewpager;
- 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.LinearLayout;
- import android.widget.TextView;
- public class ConnectFragment extends Fragment {
- @Override
- public void onCreate(Bundle savedInstanceState) {
- super.onCreate(savedInstanceState);
- }
- @Override
- public void onActivityCreated(Bundle savedInstanceState) {
- super.onActivityCreated(savedInstanceState);
- }
- @Override
- public View onCreateView(LayoutInflater inflater,ViewGroup container,Bundle savedInstanceState) {
- LinearLayout layout = (LinearLayout) inflater.inflate(R.layout.fragment_connect,container,false);
- TextView textView = (TextView) layout.findViewById(R.id.text_view_connect);
- textView.setText("onCreateView() Connect");
- return (View)layout;
- }
- }
解决方法
So the question is how would I make the title strip clickable?
你分叉它,并使您可以点击的自己的实现.或者,您切换到可以点击的PagerTabStrip.或者,您切换到ViewPagerIndicator指标之一,恰好是可点击的,并且看起来像您喜欢的.
报价the documentation for PagerTitleStrip
:
PagerTitleStrip
is a non-interactive indicator of the current,next,and prevIoUs pages of aViewPager
… For an interactive indicator,seePagerTabStrip
.