Android之Tab类总结

末蓝、 2022-07-24 11:28 91阅读 0赞

### 本文主要包括以下Tab类实现方式 ###

1.  FragmentTabHost+Fragment实现
2.  传统的ViewPager实现
3.  FragmentManager+Fragment实现
4.  ViewPager+FragmentPagerAdapter实现
5.  TabPageIndicator+ViewPager+FragmentPagerAdapter

### FragmentTabHost+Fragment实现 ###

### 布局文件 ###

<?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="vertical">  
    
        <android.support.v4.app.FragmentTabHost  
            android:id="@android:id/tabhost"  
            android:layout_width="match_parent"  
            android:layout_height="wrap_content">  
    
            <LinearLayout
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:gravity="center"
                android:orientation="vertical" >
    
                <FrameLayout
                    android:id="@android:id/tabcontent"
                    android:layout_width="match_parent"
                    android:layout_height="0dp"
                    android:layout_weight="1" >
                </FrameLayout>
    
                <TabWidget
                    android:id="@android:id/tabs"
                    android:layout_width="match_parent"
                    android:layout_height="60dip" />
            </LinearLayout> 
        </android.support.v4.app.FragmentTabHost>  
    
    </LinearLayout>

### MainActivity ###

package com.darna.wmxfx;
    
    import android.os.Bundle;
    import android.support.v4.app.FragmentActivity;
    import android.support.v4.app.FragmentTabHost;
    import android.view.LayoutInflater;
    import android.view.View;
    import android.widget.ImageView;
    import android.widget.RelativeLayout;
    import android.widget.TabHost.OnTabChangeListener;
    import android.widget.TextView;
    
    import com.darna.wmxfx.fragment.Frg_Cart;
    import com.darna.wmxfx.fragment.Frg_Index;
    import com.darna.wmxfx.fragment.Frg_UserCenter;
    
    
    public class MainActivity extends FragmentActivity {
    
        private FragmentTabHost mTabHost = null;
        private int iTabIndex = 0;
        private int[][] iTab = new int[][] { { R.drawable.indexunused, R.drawable.cartunused, R.drawable.usercenterunused },
                { R.drawable.indexused, R.drawable.cartused, R.drawable.usercenterused } };
    
        @Override
        protected void onCreate(Bundle savedInstanceState) {
            super.onCreate(savedInstanceState);
            setContentView(R.layout.activity_main);
            initViews();
        }
    
        private void initViews(){
            String[] strTab = getResources().getStringArray(R.array.bottom_tab);
            RelativeLayout[] relativeLayout = new RelativeLayout[strTab.length];
            for(int i = 0; i < strTab.length; i++){
        
                if (i == 0) {
                    relativeLayout[i] = (RelativeLayout) LayoutInflater.from(this).inflate(R.layout.tab_bottom, null);
                    relativeLayout[i].findViewById(R.id.iv_bottom_tab).setBackgroundResource(iTab[1][i]);
                    TextView tView =  (TextView) relativeLayout[i].findViewById(R.id.tv_bottom_tab);
                    tView.setText(strTab[i]);
                    tView.setTextColor(getResources().getColor(R.color.textused));
                }else {
                    relativeLayout[i] = (RelativeLayout) LayoutInflater.from(this).inflate(R.layout.tab_bottom, null);
                    relativeLayout[i].findViewById(R.id.iv_bottom_tab).setBackgroundResource(iTab[0][i]);
                    TextView t =  (TextView) relativeLayout[i].findViewById(R.id.tv_bottom_tab);
                    t.setText(strTab[i]);
                    t.setTextColor(getResources().getColor(R.color.textunused));
                }
            }
    
            mTabHost = (FragmentTabHost) findViewById(android.R.id.tabhost);  
            mTabHost.setup(this, getSupportFragmentManager(), android.R.id.tabcontent);
    
            mTabHost.addTab(mTabHost.newTabSpec(Config.KEY_INDEX)  
                    .setIndicator(relativeLayout[0]), Frg_Index.class, null); 
    
            mTabHost.addTab(mTabHost.newTabSpec(Config.KEY_CART)  
                    .setIndicator(relativeLayout[1]), Frg_Cart.class, null);
    
            mTabHost.addTab(mTabHost.newTabSpec(Config.KEY_USERCENTER)  
                    .setIndicator(relativeLayout[2]), Frg_UserCenter.class, null);
    
            mTabHost.setOnTabChangedListener(new OnTabChangeListener() {
    
                @Override
                public void onTabChanged(String tabId) {
                    // TODO Auto-generated method stub
                    View v = mTabHost.getTabWidget().getChildAt(iTabIndex);
                    ((ImageView) v.findViewById(R.id.iv_bottom_tab)).setBackgroundResource(iTab[0][iTabIndex]);
                    ((TextView) v.findViewById(R.id.tv_bottom_tab)).setTextColor(getResources().getColor(R.color.textunused));
                    v = mTabHost.getCurrentTabView();
                    iTabIndex = mTabHost.getCurrentTab();
                    ((ImageView) v.findViewById(R.id.iv_bottom_tab)).setBackgroundResource(iTab[1][iTabIndex]);
                    ((TextView) v.findViewById(R.id.tv_bottom_tab)).setTextColor(getResources().getColor(R.color.textused));
                }
            });
    
        }
    }

### 效果如下 ###

![这里写图片描述][20160522131834126]

### 传统的ViewPager实现 ###

![20140429222133796][]

### FragmentManager+Fragment实现 ###

![20140429222032734][]

### ViewPager+Fragment实现 ###

![20140429221600875][]

### TabPageIndicator+ViewPager+FragmentPagerAdapter ###

实现方式和3是一致的，但是使用了TabPageIndicator作为tab的指示器，效果还是不错的，这个之前写过，就不再贴代码了。  
效果图：

![20140412094426906][]

### 后四种方式详细可以参见 ###

[Android项目Tab类型主界面大总结 Fragment+TabPageIndicator+ViewPager - Hongyang - 博客频道 - CSDN.NET][Android_Tab_ Fragment_TabPageIndicator_ViewPager - Hongyang - _ - CSDN.NET]

### 完成 ###

[20160522131834126]: /images/20220722/824318e4d3924e7d9d8fb6a7b542265d.png
[20140429222133796]: /images/20220722/46d5158833964c94b647d0fd0db06e9e.png
[20140429222032734]: /images/20220722/09832242740b4dd9a6a8985fe03a5021.png
[20140429221600875]: /images/20220722/bbe9e70fb05842a384da443b5fd4b142.png
[20140412094426906]: /images/20220722/146b0cc7c7a84043b5c9c09084fb593a.png
[Android_Tab_ Fragment_TabPageIndicator_ViewPager - Hongyang - _ - CSDN.NET]: http://blog.csdn.net/lmj623565791/article/details/24740977