类似的功能可以看看：
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使用RadioGroup实现底部导航栏
进入正题
效果图：
注：PagerSlidingTabStrip为自定义控件，用于切换界面，此处不便贴出代码
1.主界面xml布局中添加ViewPager控件：
2.主界面的activity代码：
FrOrderList和FrFoodList分别为内部的fragment页面
String[] tabs = {"坚果", "肉脯", "果冻"};
private MyPagerAdpater adpater;
//为ViewPager添加Adpater
adpater = new MyPagerAdpater(getSupportFragmentManager());
pagerView.setOffscreenPageLimit(4);
pagerView.setAdapter(adpater);
class MyPagerAdpater extends FragmentPagerAdapter {
public MyPagerAdpater(FragmentManager manager) {
super(manager);
}
@Override
public Fragment getItem(int position) {
switch (position){
case 0:
return FrOrderList.newInstance( 0);
case 1:
return FrFoodList.newInstance( 1);
case 2:
return FrOrderList.newInstance( 2);
}
return null;
}
@Override
public CharSequence getPageTitle(int position) {
return tabs[position];
}
@Override
public int getCount() {
return tabs.length;
}
}
3.内部fragment页面：
其布局只是为了纯显示，所以只添加了一个textview
activity代码：
整个流程为：
public static FrFoodList newInstance(int mState)
–》public void onCreate(@Nullable Bundle savedInstanceState)
–》public View onCreateView
–》public void initView()
public class FrFoodList extends Fragment {
TextView tvContent;
private static String DATAKEY = "STATE";
private int mState = 0;
public static FrFoodList newInstance(int mState) {
FrFoodList frFoodList = new FrFoodList();
Bundle bundle = new Bundle();
bundle.putInt( DATAKEY, mState);
frFoodList.setArguments(bundle);
return frFoodList;
}
@Override
public void onCreate(@Nullable Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
mState = getArguments().getInt( DATAKEY);
}
@Nullable
@Override
public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.fragment_food_list, null);
tvContent = (TextView) view.findViewById(R.id.tv_content);
initView();
return view;
}
public void initView(){
switch ( mState ){
case 0:
tvContent.setText( "一大波坚果即将来袭~~~" );
break;
case 1:
tvContent.setText( "好吃又香，美味抵挡不住(^_^)" );
break;
case 2:
tvContent.setText( "浪漫气息，粉嫩可爱(*_*)" );
break;
}
}
}
FrOrderList的写法和这个类似。
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持创新互联。
