Tablayout is located in Android.support.design.widget.TabLayout.
Generally used in conjunction with Viewpager. Previously open Source Library Viewpagerindicator can also be implemented, but Tablayout is officially provided.
The following uses Viewpager + Tablayout to achieve the effect of clicking the tab switch page. The Viewpager used in the TextView to display a word, you can change the TextView to Fragment and other things to achieve more complex.
Layout file Activity_main.xml:
1 <?XML version= "1.0" encoding= "Utf-8"?>2 <Relativelayout3 xmlns:android= "Http://schemas.android.com/apk/res/android"4 Xmlns:app= "Http://schemas.android.com/apk/res-auto"5 Android:layout_width= "Match_parent"6 Android:layout_height= "Match_parent">7 <Android.support.v7.widget.Toolbar8 Android:id= "@+id/toolbar"9 Android:layout_width= "Match_parent"Ten Android:layout_height= "Wrap_content" One Android:background= "@color/colorprimary" A Android:minheight= "? Attr/actionbarsize" - Android:theme= "@style/themeoverlay.appcompat.actionbar" - App:popuptheme= "@style/themeoverlay.appcompat.light"/> the <Android.support.design.widget.TabLayout - Android:id= "@+id/tablayout" - Android:layout_width= "Match_parent" - Android:layout_height= "Wrap_content" + Android:layout_below= "@+id/toolbar"/> - <Android.support.v4.view.ViewPager + Android:id= "@+id/viewpager" A Android:layout_width= "Match_parent" at Android:layout_height= "Match_parent" - Android:layout_below= "@+id/tablayout"/> - </Relativelayout>
Viewpageradapter.java
1 ImportAndroid.content.Context;2 ImportAndroid.graphics.Color;3 ImportAndroid.support.v4.view.PagerAdapter;4 Importandroid.view.Gravity;5 ImportAndroid.view.View;6 ImportAndroid.view.ViewGroup;7 ImportAndroid.widget.TextView;8 9 Public classViewpageradapterextendsPageradapter {Ten Private Static FinalString TAG = "Viewpageradapter"; One PrivateString[] Tabtitles = {"All", "video", "Sound", "Picture", "Satin", "ad", "Plot" }; A PrivateContext Mcontext; - - PublicViewpageradapter (Context context) { theMcontext =context; - } - -@Override Public intGetCount () { + returntabtitles.length; - } + A@Override Public Booleanisviewfromobject (View view, Object object) { at returnView = =object; - } - -@Override PublicObject Instantiateitem (ViewGroup container,intposition) { -TextView view =NewTextView (mcontext); - View.settext (tabtitles[position]); in View.settextcolor (color.black); -View.settextsize (20); to view.setgravity (gravity.center); + Container.addview (view); - returnview; the } * $@Override Public voidDestroyitem (ViewGroup container,intposition, Object object) {Panax Notoginseng Container.removeview ((TextView) object); - } the +@Override PublicCharsequence Getpagetitle (intposition) { A returnTabtitles[position]; the } +}
Mainactivity.java
1 Public classMainactivityextendsappcompatactivity {2 3@Overrideprotected voidonCreate (Bundle savedinstancestate) {4 Super. OnCreate (savedinstancestate);5 Setcontentview (r.layout.activity_main);6Tablayout tablayout =(tablayout) Findviewbyid (r.id.tablayout);7Viewpager Viewpager =(Viewpager) Findviewbyid (R.id.viewpager);8Viewpageradapter adapter =NewViewpageradapter (mainactivity. This);9 Viewpager.setadapter (adapter);Ten Tablayout.setupwithviewpager (Viewpager); One } A}
Realize:
Tablayout style
App:tabSelectedTextColor:Tab the color of the selected font
App:tabTextColor:Tab Color of unselected fonts
Color of the APP:TABINDICATORCOLOR:TAB indicator subscript
app:tabindicatorheight= "2DP"
App:tabpaddingstart= "12DP"
App:tabpaddingend= "12DP"
app:tabpaddingtop= "12DP"
App:tabpaddingbottom= "12DP"
App:tabpadding= "12DP"
App:tabbackground= "@android: Color/darker_gray"
App:tabtextappearance= ""
App:tabmode: Optional scrollable and fixed, default to fixed. Scrollable for multiple tab cases
When the number of tabs is not sufficient to fill the full screen, and when the Tabmode is scrollable, the following occurs: Just set the tabmode to fixed or remove this property, because the default is fixed.
Reference: http://www.jcodecraeer.com/a/anzhuokaifa/androidkaifa/2015/0731/3247.html
Use of Android Material design-tablayout