Silicon Valley News 8--tablayout replacement Viewpagerindicator

Source: Internet
Author: User

1. Associated Libraries

Compile ' '

2. Layout Write on Tablayout

<    android:id= "@+id/tablayout"    android:layout_width= "0DP"    android:layout_height= "wrap_content"    android:layout_gravity= "center_vertical"    android:layout_ weight= "1"/>

3.TabLayout and Viewpager Associations

Tablayout.setupwithviewpager (Viewpager);//Notice the change of the page after listening, Tabpageindicator monitor the change of the page// Tabpagerindicator.setonpagechangelistener (New Myonpagechangelistener ()); Viewpager.addonpagechangelistener (New Myonpagechangelistener ()); Tablayout.settabmode (tablayout.mode_scrollable)


4. Resolve compatibility issues with Tablayout and Viewpagerindicator 

4.1 <activity android:name= ". Activity. Mainactivity "Android:theme=" @style/theme.pageindicatordefaults "/>

4.2 Viewpagerindicator Library is modified as follows

<style name= "Theme.pageindicatordefaults" parent= "Theme.AppCompat.Light.NoActionBar" >    <item name= " Vpiiconpageindicatorstyle "> @style/widget.iconpageindicator</item>    <item name=" Vpitabpageindicatorstyle "> @style/widget.tabpageindicator</item></style>

4.3 Add V7 package compile ' '

5.TabLayout set pointer color and height & text color

5.1. Add a Style

<        android:id= "@+id/tablayout"        android:layout_width= "Wrap_ Content "        style=" @style/mycustomtablayout "        android:layout_height=" wrap_content "        android:layout_ weight= "1"/>

5.2. Values directory under Styles.xml inside

<style name= "Mycustomtablayout" parent= "Widget.Design.TabLayout" >        <item name= "Tabmaxwidth" >72DP </item>        <item name= "tabminwidth" >72dp</item>        <item name= "Tabindicatorcolor" ># ff0000</item>        <item name= "tabindicatorheight" >2dp</item>        <item name= " Tabtextappearance "> @style/mycustomtabtextappearance</item>        <item name=" Tabselectedtextcolor " > @android:color/holo_red_light</item>    </style>    <style name= "mycustomtabtextappearance "Parent=" TextAppearance.Design.Tab ">        <item name=" android:textsize ">16sp</item>        <item Name= "Android:textcolor" > @android:color/black</item>        <item name= "Textallcaps" >false</ Item>    </style>

6.TabLayout Custom Styles

1. style of the setting

Vp_news_menu_detailpager.setadapter (adapter); Tablayout.setupwithviewpager (Vp_news_menu_detailpager);// Set scrolling mode Tablayout.settabmode (tablayout.mode_scrollable); for (int i = 0; i < Tablayout.gettabcount (); i++) { Tab = Tablayout.gettabat (i); Tab.setcustomview (Gettabview (i));} Note that the Setupwithviewpager must be called after Viewpager.setadapter ()

2. Add the Gettabview () method to the adapter

Public View gettabview (int position) {View view = Layoutinflater.from (context). Inflate (R.layout.tab_item, NULL); TextView tv= (TextView) View.findviewbyid (; Tv.settext (Childrendatas.get (position). GetTitle ()); I Mageview img = (ImageView) View.findviewbyid (; Img.setimageresource (r.drawable.dot_focus); return view ;}

Layout Files Tab_item.xml File

<?xml version= "1.0" encoding= "Utf-8"? ><linearlayout xmlns:android= " Android "Android:layout_width=" Wrap_content "android:layout_height=" wrap_content "android:gravity=" Center_ Horizontal "android:orientation=" vertical "><textviewandroid:text=" text "android:id=" @+id/textview "Android: Textcolor= "#000000" android:layout_width= "wrap_content" android:layout_height= "Wrap_content" Android:layout_ marginleft= "3DP"/><imageviewandroid:src= "@drawable/dot_focus" android:id= "@+id/imageview" Android:layout_ Width= "Wrap_content" android:layout_height= "Wrap_content" android:layout_centervertical= "true"/></ Linearlayout>





Silicon Valley News 8--tablayout replacement Viewpagerindicator

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