Android 更改选项卡的背景色
请帮助我,我在新的安卓系统中,我正在使用视图寻呼机实现选项卡,我想更改所选选项卡的背景色,但我完成了 这是我的XML文件代码Android 更改选项卡的背景色,android,tabs,android-viewpager,Android,Tabs,Android Viewpager,请帮助我,我在新的安卓系统中,我正在使用视图寻呼机实现选项卡,我想更改所选选项卡的背景色,但我完成了 这是我的XML文件代码 <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:app="http://schemas.android.com/apk/res-auto" androi
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical">
<android.support.design.widget.TabLayout
android:id="@+id/tabs"
android:layout_width="match_parent"
android:layout_height="wrap_content"
app:tabIndicatorColor="@color/colortab"
app:tabMode="scrollable"/>
<!--app:tabSelectedTextColor="@color/colortab"-->
<android.support.v4.view.ViewPager
android:id="@+id/viewpager"
android:layout_width="match_parent"
android:layout_height="0px"
android:layout_weight="1"
/>
</LinearLayout>
这是我更改当前选项卡颜色的片段代码
public class mainfragment extends Fragment {
private TabLayout tabLayout;
private ViewPager viewPager;
FragmentTabHost tabhost;
Fragment fragment;
int position;
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
View v = inflater.inflate(R.layout.main_fragment, container, false);
viewPager = (ViewPager) v.findViewById(R.id.viewpager);
viewPager.addOnPageChangeListener(new TabLayout.TabLayoutOnPageChangeListener(tabLayout));
tabLayout = (TabLayout) v.findViewById(R.id.tabs);
viewPager.setOnPageChangeListener(new ViewPager.OnPageChangeListener() {
@Override
public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {
}
@Override
public void onPageSelected(int position) {
for (int i = 0; i < tabLayout.getTabCount(); i++) {
if (i == position) {
tabLayout.getTabAt(i).getCustomView()
.setBackgroundColor(Color.parseColor("#198C19"));
}
else {
tabLayout.getTabAt(i).getCustomView()
.setBackgroundColor(Color.parseColor("#f4f4f4"));
}
}
}
@Override
public void onPageScrollStateChanged(int state) {
}
});
setupViewPager(viewPager);
// change the tab in run time working here
tabLayout.post(new Runnable() {
@Override
public void run() {
tabLayout.setupWithViewPager(viewPager);
ViewPagerAdapter adapter = new ViewPagerAdapter(getFragmentManager());
adapter.addFragment(new One(), "One");
adapter.addFragment(new Two(), "Two");
viewPager.setAdapter(adapter);
}
});
// end here
tabLayout.setupWithViewPager(viewPager);
return v;
}
// This method call ViewPagerAdapter which have added two fragments
private void setupViewPager(ViewPager viewPager) {
ViewPagerAdapter adapter = new ViewPagerAdapter(getFragmentManager());
Toast.makeText(getActivity(),"Main Fragment in setupViewPager",Toast.LENGTH_LONG).show();
adapter.addFragment(new One(), "One");
adapter.addFragment(new Two(), "Two");
viewPager.setAdapter(adapter);
}
class ViewPagerAdapter extends FragmentPagerAdapter {
private final List<Fragment> mFragmentList = new ArrayList<>();
private final List<String> mFragmentTitleList = new ArrayList<>();
public ViewPagerAdapter(FragmentManager manager) {
super(manager);
}
@Override
public Fragment getItem(int position) {
return mFragmentList.get(position);
}
@Override
public int getCount() {
return mFragmentList.size();
}
public void addFragment(Fragment fragment, String title) {
mFragmentList.add(fragment);
mFragmentTitleList.add(title);
}
@Override
public CharSequence getPageTitle(int position) {
return mFragmentTitleList.get(position);
}
}
}
public类mainfragment扩展片段{
私人摊位摊位;
私人视页机视页机;
碎片tabhost tabhost;
片段;
内部位置;
@凌驾
CreateView上的公共视图(布局、充气机、视图组容器、捆绑包保存状态){
视图v=充气机。充气(R.layout.main_碎片,容器,假);
viewPager=(viewPager)v.findViewById(R.id.viewPager);
viewPager.addOnPageChangeListener(新建TabLayout.TabLayoutOnPageChangeListener(TabLayout));
tabLayout=(tabLayout)v.findviewbyd(R.id.tabs);
viewPager.setOnPageChangeListener(新的viewPager.OnPageChangeListener(){
@凌驾
已滚动页面上的公共无效(int-position、float-positionOffset、int-positionOffsetPixels){
}
@凌驾
已选择页面上的公共无效(内部位置){
for(int i=0;i
实际上,我想更改当前选项卡的背景色,但我没有得到。所以请帮我解决这个问题。提前谢谢
我有一个tabLayout,用于包含两个选项卡的viewpager。我一直在尝试更改当前所选选项卡的背景色。要更改所选选项卡的背景色,您需要将选择器定义为可绘制,并为所选/未选择的状态定义可绘制。此外,您还可以将customView设置为选项卡 首先,可绘制文件夹中的选择器tab_background.xml:
<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
<item android:drawable="@drawable/tab_background_selected" android:state_selected="true" />
<item android:drawable="@drawable/tab_background_unselected" android:state_selected="false" android:state_focused="false" android:state_pressed="false" />
</selector>
<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android" >
<solid android:color="#d13fdd1a" />
</shape>
<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android" >
<solid android:color="#3F51B5" />
</shape>
然后,在drawable文件夹中的tab_background_selected.xml:
<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
<item android:drawable="@drawable/tab_background_selected" android:state_selected="true" />
<item android:drawable="@drawable/tab_background_unselected" android:state_selected="false" android:state_focused="false" android:state_pressed="false" />
</selector>
<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android" >
<solid android:color="#d13fdd1a" />
</shape>
<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android" >
<solid android:color="#3F51B5" />
</shape>
然后,在drawable文件夹中的tab_background_unselected.xml:
<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
<item android:drawable="@drawable/tab_background_selected" android:state_selected="true" />
<item android:drawable="@drawable/tab_background_unselected" android:state_selected="false" android:state_focused="false" android:state_pressed="false" />
</selector>
<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android" >
<solid android:color="#d13fdd1a" />
</shape>
<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android" >
<solid android:color="#3F51B5" />
</shape>
最后,在styles.xml中,指定要使用的选择器:
<style name="Base.Widget.Design.TabLayout" parent="android:Widget">
<item name="tabBackground">@drawable/tab_background</item>
</style>
@可绘制/制表符背景
但是我们如何给出YPU的引用可以在tablayouthyle=“@style/name of your style”中定义它,我已经定义了,但是崩溃了