Android notes: A simple method to customize tabhost through RadioGroup/RadioButton

XML code:

<RelativeLayout 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 "tools: context = ". mainActivity "> <TabHost android: id =" @ android: id/tabhost "android: layout_width =" match_parent "android: layout_height =" match_parent "android: layout_alignParentLeft =" true "android: layout_alignParentTop = "true"> <LinearLayout android: layout_width = "match_parent" android: layout_height = "match_parent" android: orientation = "vertical"> <TabWidget android: id = "@ android: id/tabs "android: layout_width =" match_parent "android: layout_height =" wrap_content "android: visibility =" gone "> </TabWidget> <FrameLayout android: id =" @ android: id/tabcontent "android: layout_width =" match_parent "android: layout_height =" 0dp "android: layout_weight =" 1 "> </FrameLayout> <RadioGroup android: layout_width = "match_parent" android: layout_height = "wrap_content" android: layout_gravity = "bottom" android: orientation = "horizontal"> <RadioButton android: id = "@ + id/maintab_radio_tab1" style = "@ style/tab_button" android: checked = "true" android: text = "Homepage" android: background = "# ff00ff00"/> <RadioButton android: id = "@ + id/maintab_radio_tab2" style = "@ style/tab_button" android: text = "pagination" android: background = "# ff00ff00"/> <RadioButton android: id = "@ + id/maintab_radio_tab3" style = "@ style/tab_button" android: text = "Settings" android: background = "# ff00ff00"/> </RadioGroup> </LinearLayout> </TabHost> </RelativeLayout>

style="@ Style/tab_button" file:

<! -- RadioButton style at the bottom of the home page --> <style name = "tab_button"> <item name = "android: layout_width"> fill_parent </item> <item name = "android: layout_height "> wrap_content </item> <item name =" android: ellipsize "> marquee </item> <item name =" android: button "> @ null </item> <item name =" android: paddingTop "> 1dp </item> <item name =" android: layout_weight "> 1.0 </item> <item name =" android: gravity "> center_horizontal </item> <item name =" android: singleLine "> true </item> <item name =" android: drawablePadding "> 1.0dip </item> </style>

Layout Structure: Hide the TabWidget and use the RadioButton option in the Remove button check box)

650) this. width = 650; "src =" http://www.bkjia.com/uploads/allimg/131228/105T92S9-0.png "title =" qq2013020.38.png "/>

Java code:

Public class MainActivity extends TabActivity implements OnClickListener {private RadioButton mBtn_tab1; private RadioButton listener; private TabHost mTabHost; @ Override protected void onCreate (Bundle listener) super. onCreate (savedInstanceState); setContentView (R. layout. activity_main); init (); initTab () ;}// initialization interface private void init () {mBtn_tab1 = (RadioButton) findViewById (R. id. maintab_radio_tab1); mBtn_tab2 = (RadioButton) findViewById (R. id. maintab_radio_tab2); mBtn_tab3 = (RadioButton) findViewById (R. id. maintab_radio_tab3); merge (this); mBtn_tab3.setOnClickListener (this);} // initialize the private void initTab () {mTabHost = getTabHost (); mTabHost. addTab (mTabHost. newTabSpec ("tab1 "). setIndicator ("tab1 "). setContent (new Intent (this, Tab1Activity. class); mTabHost. addTab (mTabHost. newTabSpec ("tab2 "). setIndicator ("tab2 "). setContent (new Intent (this, Tab2Activity. class); mTabHost. addTab (mTabHost. newTabSpec ("tab3 "). setIndicator ("tab3 "). setContent (new Intent (this, Tab1Activity. class);} @ Override public void onClick (View v) {switch (v. getId () {case R. id. maintab_radio_tab1: mTabHost. setCurrentTabByTag ("tab1"); break; case R. id. maintab_radio_tab2: mTabHost. setCurrentTabByTag ("tab2"); break; case R. id. maintab_radio_tab3: mTabHost. setCurrentTabByTag ("tab3"); break; default: break ;}}}

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