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activity_main.xml
<?xml version="1.0" encoding="utf-8"?>
<android.support.design.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:fitsSystemWindows="true"
tools:context="com.app.gaolonglong.fragmenttabhost.MainActivity">
<android.support.design.widget.AppBarLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:theme="@style/AppTheme.AppBarOverlay">
<android.support.v7.widget.Toolbar
android:id="@+id/toolbar"
android:layout_width="match_parent"
android:layout_height="?attr/actionBarSize"
android:background="?attr/colorPrimary"
app:popupTheme="@style/AppTheme.PopupOverlay" />
</android.support.design.widget.AppBarLayout>
<include layout="@layout/content_main" />
</android.support.design.widget.CoordinatorLayout>
content_main.xml
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
app:layout_behavior="@string/appbar_scrolling_view_behavior"
tools:context="com.app.gaolonglong.fragmenttabhost.MainActivity"
tools:showIn="@layout/activity_main">
<android.support.v4.app.FragmentTabHost
android:id="@android:id/tabhost"
android:layout_width="match_parent"
android:layout_height="match_parent">
<LinearLayout
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="match_parent">
<FrameLayout
android:id="@android:id/tabcontent"
android:layout_weight="0"
android:layout_width="0dp"
android:layout_height="0dp"/>
<android.support.v4.view.ViewPager
android:id="@+id/view_pager"
android:layout_weight="1"
android:layout_width="match_parent"
android:layout_height="0dp"/>
<TabWidget
android:id="@android:id/tabs"
android:layout_width="match_parent"
android:layout_height="?attr/actionBarSize"/>
</LinearLayout>
</android.support.v4.app.FragmentTabHost>
</RelativeLayout>
tab_item.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:paddingTop="4dp"
android:layout_width="match_parent"
android:layout_height="match_parent">
<ImageView
android:id="@+id/image"
android:src="@drawable/tab_report"
android:layout_width="match_parent"
android:layout_height="wrap_content" />
<TextView
android:id="@+id/title"
android:text="首页"
android:gravity="center"
android:textSize="14sp"
android:textColor="@drawable/tab_title_color"
android:layout_width="match_parent"
android:layout_height="wrap_content" />
</LinearLayout>
HomeFragment
public class HomeFragment extends Fragment {
private View mRootView;
@Nullable
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
if (mRootView == null){
mRootView = inflater.inflate(R.layout.home_fragment,container,false);
}
ViewGroup parent = (ViewGroup) mRootView.getParent();
if (parent != null){
parent.removeView(mRootView);
}
return mRootView;
}
}
MainActivity
public class MainActivity extends AppCompatActivity {
private FragmentTabHost mTabHost;
private ViewPager mViewPager;
private List<Fragment> mFragmentList;
private Class mClass[] = {HomeFragment.class,ReportFragment.class,MessageFragment.class,MineFragment.class};
private Fragment mFragment[] = {new HomeFragment(),new ReportFragment(),new MessageFragment(),new MineFragment()};
private String mTitles[] = {"首页","报表","消息","我的"};
private int mImages[] = {
R.drawable.tab_home,
R.drawable.tab_report,
R.drawable.tab_message,
R.drawable.tab_mine
};
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
setSupportActionBar(toolbar);
init();
}
private void init() {
initView();
initEvent();
}
private void initView() {
mTabHost = (FragmentTabHost) findViewById(android.R.id.tabhost);
mViewPager = (ViewPager) findViewById(R.id.view_pager);
mFragmentList = new ArrayList<Fragment>();
mTabHost.setup(this, getSupportFragmentManager(), android.R.id.tabcontent);
mTabHost.getTabWidget().setDividerDrawable(null);
for (int i = 0;i < mFragment.length;i++){
TabHost.TabSpec tabSpec = mTabHost.newTabSpec(mTitles[i]).setIndicator(getTabView(i));
mTabHost.addTab(tabSpec,mClass[i],null);
mFragmentList.add(mFragment[i]);
mTabHost.getTabWidget().getChildAt(i).setBackgroundColor(Color.WHITE);
}
mViewPager.setAdapter(new FragmentPagerAdapter(getSupportFragmentManager()) {
@Override
public Fragment getItem(int position) {
return mFragmentList.get(position);
}
@Override
public int getCount() {
return mFragmentList.size();
}
});
}
private View getTabView(int index) {
View view = LayoutInflater.from(this).inflate(R.layout.tab_item, null);
ImageView image = (ImageView) view.findViewById(R.id.image);
TextView title = (TextView) view.findViewById(R.id.title);
image.setImageResource(mImages[index]);
title.setText(mTitles[index]);
return view;
}
private void initEvent() {
mTabHost.setOnTabChangedListener(new TabHost.OnTabChangeListener() {
@Override
public void onTabChanged(String tabId) {
mViewPager.setCurrentItem(mTabHost.getCurrentTab());
}
});
mViewPager.addOnPageChangeListener(new ViewPager.OnPageChangeListener() {
@Override
public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {
}
@Override
public void onPageSelected(int position) {
mTabHost.setCurrentTab(position);
}
@Override
public void onPageScrollStateChanged(int state) {
}
});
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.menu_main, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
// Handle action bar item clicks here. The action bar will
// automatically handle clicks on the Home/Up button, so long
// as you specify a parent activity in AndroidManifest.xml.
int id = item.getItemId();
//noinspection SimplifiableIfStatement
if (id == R.id.action_settings) {
return true;
}
return super.onOptionsItemSelected(item);
}
}
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