轉載至http://blog.csdn.NET/lmj623565791/article/details/24740977
Android現在實現Tab類型的界面方式越來越多,今天就把常見的實現方式給大家來個總結。目前寫了:
1、傳統的ViewPager實現
2、FragmentManager+Fragment實現
3、ViewPager+FragmentPagerAdapter實現
4、TabPageIndicator+ViewPager+FragmentPagerAdapter
1、傳統的ViewPager實現
主要就是ViewPager+ViewAdapter這個還是比較常見的,就不多說了
效果圖:
代碼:
package com.example.mainframework02;
import java.util.ArrayList;
import java.util.List;
import android.app.Activity;
import android.os.Bundle;
import android.support.v4.view.PagerAdapter;
import android.support.v4.view.ViewPager;
import android.support.v4.view.ViewPager.OnPageChangeListener;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageButton;
import android.widget.ImageView;
import android.widget.LinearLayout;
public class TraditionalViewPagerAcvitity extends Activity
{
/**
* ViewPager
*/
private ViewPager mViewPager;
/**
* ViewPager的適配器
*/
private PagerAdapter mAdapter;
private List<View> mViews;
private LayoutInflater mInflater;
private int currentIndex;
/**
* 底部四個按鈕
*/
private LinearLayout mTabBtnWeixin;
private LinearLayout mTabBtnFrd;
private LinearLayout mTabBtnAddress;
private LinearLayout mTabBtnSettings;
@Override
protected void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
mInflater = LayoutInflater.from(this);
mViewPager = (ViewPager) findViewById(R.id.id_viewpager);
/**
* 初始化View
*/
initView();
mViewPager.setAdapter(mAdapter);
mViewPager.setOnPageChangeListener(new OnPageChangeListener()
{
@Override
public void onPageSelected(int position)
{
resetTabBtn();
switch (position)
{
case 0:
((ImageButton) mTabBtnWeixin.findViewById(R.id.btn_tab_bottom_weixin))
.setImageResource(R.drawable.tab_weixin_pressed);
break;
case 1:
((ImageButton) mTabBtnFrd.findViewById(R.id.btn_tab_bottom_friend))
.setImageResource(R.drawable.tab_find_frd_pressed);
break;
case 2:
((ImageButton) mTabBtnAddress.findViewById(R.id.btn_tab_bottom_contact))
.setImageResource(R.drawable.tab_address_pressed);
break;
case 3:
((ImageButton) mTabBtnSettings.findViewById(R.id.btn_tab_bottom_setting))
.setImageResource(R.drawable.tab_settings_pressed);
break;
}
currentIndex = position;
}
@Override
public void onPageScrolled(int arg0, float arg1, int arg2)
{
}
@Override
public void onPageScrollStateChanged(int arg0)
{
}
});
}
protected void resetTabBtn()
{
((ImageButton) mTabBtnWeixin.findViewById(R.id.btn_tab_bottom_weixin))
.setImageResource(R.drawable.tab_weixin_normal);
((ImageButton) mTabBtnFrd.findViewById(R.id.btn_tab_bottom_friend))
.setImageResource(R.drawable.tab_find_frd_normal);
((ImageButton) mTabBtnAddress.findViewById(R.id.btn_tab_bottom_contact))
.setImageResource(R.drawable.tab_address_normal);
((ImageButton) mTabBtnSettings.findViewById(R.id.btn_tab_bottom_setting))
.setImageResource(R.drawable.tab_settings_normal);
}
private void initView()
{
mTabBtnWeixin = (LinearLayout) findViewById(R.id.id_tab_bottom_weixin);
mTabBtnFrd = (LinearLayout) findViewById(R.id.id_tab_bottom_friend);
mTabBtnAddress = (LinearLayout) findViewById(R.id.id_tab_bottom_contact);
mTabBtnSettings = (LinearLayout) findViewById(R.id.id_tab_bottom_setting);
mViews = new ArrayList<View>();
View first = mInflater.inflate(R.layout.main_tab_01, null);
View second = mInflater.inflate(R.layout.main_tab_02, null);
View third = mInflater.inflate(R.layout.main_tab_03, null);
View fourth = mInflater.inflate(R.layout.main_tab_04, null);
mViews.add(first);
mViews.add(second);
mViews.add(third);
mViews.add(fourth);
mAdapter = new PagerAdapter()
{
@Override
public void destroyItem(ViewGroup container, int position, Object object)
{
container.removeView(mViews.get(position));
}
@Override
public Object instantiateItem(ViewGroup container, int position)
{
View view = mViews.get(position);
container.addView(view);
return view;
}
@Override
public boolean isViewFromObject(View arg0, Object arg1)
{
return arg0 == arg1;
}
@Override
public int getCount()
{
return mViews.size();
}
};
}
}
3、ViewPager+Fragment實現
主要通過ViewPager和FragmentPagerAdapter一起來實現。
效果圖:
代碼:
主Activity
- package com.example.mainframework03;
- import java.util.ArrayList;
- import java.util.List;
- import android.os.Bundle;
- import android.support.v4.app.Fragment;
- import android.support.v4.app.FragmentActivity;
- import android.support.v4.app.FragmentPagerAdapter;
- import android.support.v4.view.ViewPager;
- import android.support.v4.view.ViewPager.OnPageChangeListener;
- import android.widget.ImageButton;
- import android.widget.LinearLayout;
- public class MainActivity extends FragmentActivity
- {
- private ViewPager mViewPager;
- private FragmentPagerAdapter mAdapter;
- private List<Fragment> mFragments = new ArrayList<Fragment>();
- /**
- * 底部四個按鈕
- */
- private LinearLayout mTabBtnWeixin;
- private LinearLayout mTabBtnFrd;
- private LinearLayout mTabBtnAddress;
- private LinearLayout mTabBtnSettings;
- @Override
- protected void onCreate(Bundle savedInstanceState)
- {
- super.onCreate(savedInstanceState);
- setContentView(R.layout.activity_main);
- mViewPager = (ViewPager) findViewById(R.id.id_viewpager);
- initView();
- mAdapter = new FragmentPagerAdapter(getSupportFragmentManager())
- {
- @Override
- public int getCount()
- {
- return mFragments.size();
- }
- @Override
- public Fragment getItem(int arg0)
- {
- return mFragments.get(arg0);
- }
- };
- mViewPager.setAdapter(mAdapter);
- mViewPager.setOnPageChangeListener(new OnPageChangeListener()
- {
- private int currentIndex;
- @Override
- public void onPageSelected(int position)
- {
- resetTabBtn();
- switch (position)
- {
- case 0:
- ((ImageButton) mTabBtnWeixin.findViewById(R.id.btn_tab_bottom_weixin))
- .setImageResource(R.drawable.tab_weixin_pressed);
- break;
- case 1:
- ((ImageButton) mTabBtnFrd.findViewById(R.id.btn_tab_bottom_friend))
- .setImageResource(R.drawable.tab_find_frd_pressed);
- break;
- case 2:
- ((ImageButton) mTabBtnAddress.findViewById(R.id.btn_tab_bottom_contact))
- .setImageResource(R.drawable.tab_address_pressed);
- break;
- case 3:
- ((ImageButton) mTabBtnSettings.findViewById(R.id.btn_tab_bottom_setting))
- .setImageResource(R.drawable.tab_settings_pressed);
- break;
- }
- currentIndex = position;
- }
- @Override
- public void onPageScrolled(int arg0, float arg1, int arg2)
- {
- }
- @Override
- public void onPageScrollStateChanged(int arg0)
- {
- }
- });
- }
- protected void resetTabBtn()
- {
- ((ImageButton) mTabBtnWeixin.findViewById(R.id.btn_tab_bottom_weixin))
- .setImageResource(R.drawable.tab_weixin_normal);
- ((ImageButton) mTabBtnFrd.findViewById(R.id.btn_tab_bottom_friend))
- .setImageResource(R.drawable.tab_find_frd_normal);
- ((ImageButton) mTabBtnAddress.findViewById(R.id.btn_tab_bottom_contact))
- .setImageResource(R.drawable.tab_address_normal);
- ((ImageButton) mTabBtnSettings.findViewById(R.id.btn_tab_bottom_setting))
- .setImageResource(R.drawable.tab_settings_normal);
- }
- private void initView()
- {
- mTabBtnWeixin = (LinearLayout) findViewById(R.id.id_tab_bottom_weixin);
- mTabBtnFrd = (LinearLayout) findViewById(R.id.id_tab_bottom_friend);
- mTabBtnAddress = (LinearLayout) findViewById(R.id.id_tab_bottom_contact);
- mTabBtnSettings = (LinearLayout) findViewById(R.id.id_tab_bottom_setting);
- MainTab01 tab01 = new MainTab01();
- MainTab02 tab02 = new MainTab02();
- MainTab03 tab03 = new MainTab03();
- MainTab04 tab04 = new MainTab04();
- mFragments.add(tab01);
- mFragments.add(tab02);
- mFragments.add(tab03);
- mFragments.add(tab04);
- }
- }
還有4個TabFragment,下面貼一個,四個基本一樣
package com.example.mainframework03;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
public class MainTab01 extends Fragment
{
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState)
{
return inflater.inflate(R.layout.main_tab_01, container, false);
}
}
4、TabPageIndicator+ViewPager+FragmentPagerAdapter
1、頭部的佈局文件,這個很簡單:
<?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="wrap_content"
android:background="@color/light_blue"
android:orientation="horizontal" >
<ImageView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center_vertical"
android:layout_marginLeft="8dp"
android:layout_marginRight="4dp"
android:src="@drawable/biz_navigation_tab_news_pressed" />
<ImageView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center_vertical"
android:layout_marginLeft="4dp"
android:layout_marginRight="4dp"
android:src="@drawable/base_action_bar_back_divider" />
<TextView
android:id="@+id/headTV"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_gravity="center_vertical"
android:layout_marginLeft="4dp"
android:layout_weight="1"
android:text="CSDN資訊"
android:textColor="@color/white"
android:textSize="21sp"
android:textStyle="bold" >
</TextView>
</LinearLayout>
就顯示一個圖標和標題。
2、主佈局文件:
<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:background="#eee"
android:orientation="vertical" >
<include layout="@layout/main_head" />
<com.viewpagerindicator.TabPageIndicator
android:id="@+id/id_indicator"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:background="@color/transparentblue" >
</com.viewpagerindicator.TabPageIndicator>
<android.support.v4.view.ViewPager
android:id="@+id/id_pager"
android:layout_width="fill_parent"
android:layout_height="0dp"
android:layout_weight="1" />
</LinearLayout>
佈局中僅一個ViewPager,一個ViewPagerIndicator.(本例使用的是其中一種ViewPagerIndicator:TabPagerIndicator)
注意它應該緊鄰在ViewPager的上方或下方,總之要挨在一起。
3、主Activity
第1步:實例化ViewPager,給ViewPager設置Adapter
第2步:實例化TabPageIndicator,TabPageIndicator與ViewPager綁在一起
第3步:在Indicator上設置OnPagerChangeListner監聽器
第4步:定義Adapter(繼承FragmentPagerAdapter)
先實例化ViewPager,然後實例化TabPageIndicator,然後設置TabPageIndicator和ViewPager關聯,就是調用TabPageIndicator的setViewPager(ViewPager view)方法,這樣子就實現了點擊上面的Tab,下面的ViewPager切換;滑動ViewPager,上面的Tab跟着切換。
ViewPager的每一個Item我們使用的是Fragment,使用Fragment可以使佈局更加靈活一點,建議多用Fragment。
設置監聽的時候,需要用Indicator提供的OnPagerChangeListener方法
package com.zhy.csdndemo;
import com.viewpagerindicator.TabPageIndicator;
import android.os.Bundle;
import android.support.v4.app.FragmentActivity;
import android.support.v4.app.FragmentPagerAdapter;
import android.support.v4.view.ViewPager;
public class MainActivity extends FragmentActivity
{
private TabPageIndicator mIndicator ;
private ViewPager mViewPager ;
private FragmentPagerAdapter mAdapter ;
@Override
protected void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
mIndicator = (TabPageIndicator) findViewById(R.id.id_indicator);
mViewPager = (ViewPager) findViewById(R.id.id_pager);
mAdapter = new TabAdapter(getSupportFragmentManager());
mViewPager.setAdapter(mAdapter);
mIndicator.setViewPager(mViewPager, 0);
}
}
TabAdapter.java
package com.zhy.csdndemo;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentPagerAdapter;
public class TabAdapter extends FragmentPagerAdapter
{
public static final String[] TITLES = new String[] { "業界", "移動", "研發", "程序員雜誌", "雲計算" };
public TabAdapter(FragmentManager fm)
{
super(fm);
}
@Override
public Fragment getItem(int arg0)
{
MainFragment fragment = new MainFragment(arg0);
return fragment;
}
@Override
public CharSequence getPageTitle(int position)
{
return TITLES[position % TITLES.length];
}
@Override
public int getCount()
{
return TITLES.length;
}
}
MainFragment.java
package com.zhy.csdndemo;
import android.annotation.SuppressLint;
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.TextView;
@SuppressLint("ValidFragment")
public class MainFragment extends Fragment
{
private int newsType = 0;
public MainFragment(int newsType)
{
this.newsType = newsType;
}
@Override
public void onActivityCreated(Bundle savedInstanceState)
{
super.onActivityCreated(savedInstanceState);
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState)
{
View view = inflater.inflate(R.layout.tab_item_fragment_main, null);
TextView tip = (TextView) view.findViewById(R.id.id_tip);
tip.setText(TabAdapter.TITLES[newsType]);
return view;
}
}
4、在styles.xml中自定義Theme
<style name="MyTheme" parent="AppBaseTheme">
<item name="vpiTabPageIndicatorStyle">@style/MyWidget.TabPageIndicator</item>
<item name="android:windowBackground">@drawable/init_pic</item>
<item name="android:windowNoTitle">true</item>
<item name="android:animationDuration">5000</item>
<item name="android:windowContentOverlay">@null</item>
</style>
<style name="MyWidget.TabPageIndicator" parent="Widget">
<item name="android:gravity">center</item>
<item name="android:background">@drawable/vpi__tab_indicator</item>
<item name="android:paddingLeft">22dip</item>
<item name="android:paddingRight">22dip</item>
<item name="android:paddingTop">8dp</item>
<item name="android:paddingBottom">8dp</item>
<item name="android:textAppearance">@style/MyTextAppearance.TabPageIndicator</item>
<item name="android:textSize">16sp</item>
<item name="android:maxLines">1</item>
</style>
<style name="MyTextAppearance.TabPageIndicator" parent="Widget">
<item name="android:textStyle">bold</item>
<item name="android:textColor">@color/black</item>
</style>
在AndroidManifest中註冊使用:
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.zhy.csdndemo"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk
android:minSdkVersion="13"
android:targetSdkVersion="17" />
<application
android:allowBackup="true"
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@style/AppTheme" >
<activity
android:name="com.zhy.csdndemo.MainActivity"
android:label="@string/app_name"
android:theme="@style/MyTheme">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
</manifest>