导航栏、侧拉框、Viewpage 没有数据
来源：互联网 发布：java textarea 滚动条 编辑：程序博客网 时间：2024/06/05 05:52
public class MainActivity extends AppCompatActivity { private ViewPager vpage; private RadioGroup radio; private RadioButton rb1; private RadioButton rb2; private RadioButton rb3; private DrawerLayout dawlaout; private ListView lvs; private ArrayList<String> list; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); initData(); dawlaout=(DrawerLayout)findViewById(R.id.drawble); vpage=(ViewPager)findViewById(R.id.vpage); lvs=(ListView)findViewById(R.id.lvs); radio=(RadioGroup)findViewById(R.id.radio); rb1=(RadioButton)findViewById(R.id.rb1); rb2=(RadioButton)findViewById(R.id.rb2); rb3=(RadioButton)findViewById(R.id.rb3); vpage.setAdapter(new MyAdapter(getSupportFragmentManager())); lvs.setAdapter(new MyAdapter2(this,list)); vpage.setOnPageChangeListener(new ViewPager.OnPageChangeListener() { @Override public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) { switch(position){ case 0: rb1.setTextColor(Color.RED); rb2.setTextColor(Color.BLACK); rb3.setTextColor(Color.BLACK); break; case 1: rb2.setTextColor(Color.RED); rb1.setTextColor(Color.BLACK); rb3.setTextColor(Color.BLACK); break; case 2: rb3.setTextColor(Color.RED); rb2.setTextColor(Color.BLACK); rb1.setTextColor(Color.BLACK); break; } } @Override public void onPageSelected(int position) { } @Override public void onPageScrollStateChanged(int state) { } }); radio.setOnCheckedChangeListener(new RadioGroup.OnCheckedChangeListener() { @Override public void onCheckedChanged(RadioGroup group, @IdRes int checkedId) { switch (checkedId){ case R.id.rb1: vpage.setCurrentItem(0); break; case R.id.rb2: vpage.setCurrentItem(1); break; case R.id.rb3: vpage.setCurrentItem(2); break; } } }); lvs.setOnItemClickListener(new AdapterView.OnItemClickListener() { @Override public void onItemClick(AdapterView<?> parent, View view, int position, long id) { switch (position){ case 0: vpage.setCurrentItem(0); break; case 1: vpage.setCurrentItem(1); break; case 2: vpage.setCurrentItem(2); break; } dawlaout.closeDrawer(lvs); } }); } private void initData() { list=new ArrayList<>(); list.add("首页"); list.add("搜索"); list.add("我的"); }}===========================================================================public class Fragment1 extends Fragment { @Nullable @Override public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) { View view = View.inflate(getActivity(), R.layout.fragment1, null); ViewPager vp= (ViewPager) view.findViewById(R.id.vp); PagerSlidingTabStrip tabs = (PagerSlidingTabStrip) view.findViewById(R.id.tabs); vp.setAdapter(new MyAdapter3(getActivity().getSupportFragmentManager())); //标题和viewpager进行关联 tabs.setViewPager(vp); return view; }}----------------------------------------------------------------------------------------import com.example.mran.myapplication.R;/** * Created by MrAn on 2017/12/21. */public class Fragment1_1 extends Fragment { public View onCreateView(String name, Context context, AttributeSet attrs) { View view = View.inflate(getActivity(), R.layout.fragment1_1,null); return view; }}-------------------------------------------------------------------------------------------public class Fragment1_2 extends Fragment { @Nullable @Override public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) { View view = View.inflate(getActivity(), R.layout.fragment1_2, null); return view; }}---------------------------------------------------------------------------------------------------------------------------------------------------------------------public class Fragment1_3 extends Fragment { @Nullable @Override public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) { View view = View.inflate(getActivity(), R.layout.fragment1_3, null); return view; }}public class Fragment2 extends Fragment { @Nullable @Override public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) { View view = View.inflate(getContext(), R.layout.fragment2, null); return view; }}-------------------------------------------------------------------public class Fragment3 extends Fragment { @Nullable @Override public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) { View view = View.inflate(getContext(), R.layout.fragment3, null); return view; }}=======================================================================================public class MyAdapter extends FragmentPagerAdapter { public MyAdapter(android.support.v4.app.FragmentManager fm) { super(fm); } @Override public Fragment getItem(int position) { Fragment fragment=null; switch (position){ case 0: fragment= new Fragment1(); break; case 1: fragment=new Fragment2(); break; case 2: fragment=new Fragment3(); break; } return fragment; } @Override public int getCount() { return 3; }}-----------------------------------------------------------------------public class MyAdapter2 extends BaseAdapter { private List<String> list; private Context con; public MyAdapter2(Context con,List<String> list) { this.con = con; this.list = list; } @Override public int getCount() { return list.size(); } @Override public Object getItem(int position) { return null; } @Override public long getItemId(int position) { return 0; } @Override public View getView(int position, View convertView, ViewGroup parent) { TextView tv=new TextView(con); tv.setText(list.get(position)); tv.setTextSize(35); return tv; }}------------------------------------------------------------------------public class MyAdapter3 extends FragmentPagerAdapter { private String [] arr ={"页面一","页面二","页面三"}; public MyAdapter3(FragmentManager fm) { super(fm); } /** * * @param position * @return */ @Override public CharSequence getPageTitle(int position) { return arr[position]; } @Override public Fragment getItem(int position) { Fragment fragment=null; switch (position){ case 0: fragment=new Fragment1_1(); break; case 1: fragment=new Fragment1_2(); break; case 2: fragment=new Fragment1_3(); break; } return fragment; } @Override public int getCount() { return 3; }}=================================================================================<?xml version="1.0" encoding="utf-8"?><android.support.v4.widget.DrawerLayout xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/drawble" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" tools:context="com.example.day16_20171215_1.MainActivity"> <RelativeLayout android:layout_width="match_parent" android:layout_height="match_parent"> <android.support.v4.view.ViewPager android:id="@+id/vpage" android:layout_width="match_parent" android:layout_height="match_parent" /> <RadioGroup android:layout_alignParentBottom="true" android:layout_width="match_parent" android:layout_height="wrap_content" android:id="@+id/radio" android:orientation="horizontal"> <RadioButton android:layout_width="0dp" android:layout_weight="1" android:layout_height="30dp" android:id="@+id/rb1" android:text="首页" android:gravity="center_horizontal" android:button="@null" /> <RadioButton android:layout_width="0dp" android:layout_weight="1" android:layout_height="30dp" android:id="@+id/rb2" android:text="搜索" android:gravity="center_horizontal" android:button="@null" /> <RadioButton android:layout_weight="1" android:layout_width="0dp" android:layout_height="30dp" android:id="@+id/rb3" android:text="我的" android:gravity="center_horizontal" android:button="@null" /> </RadioGroup> </RelativeLayout> <ListView android:background="#ff00ff" android:layout_gravity="start" android:id="@+id/lvs" android:layout_width="match_parent" android:layout_height="match_parent"> </ListView></android.support.v4.widget.DrawerLayout>-----------------------------------------------------------------------------------<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="vertical" android:layout_width="match_parent" android:layout_height="match_parent"> <com.astuetz.PagerSlidingTabStrip android:layout_width="match_parent" android:layout_height="48dp" android:id="@+id/tabs"/> <android.support.v4.view.ViewPager android:layout_width="match_parent" android:layout_height="match_parent" android:id="@+id/vp"></android.support.v4.view.ViewPager></LinearLayout>-----------------------------------------------------------------------------------<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="vertical" android:layout_width="match_parent" android:layout_height="match_parent"> <TextView android:text="搜索" android:textSize="35dp" android:layout_width="match_parent" android:layout_height="wrap_content" /></LinearLayout>---------------------------------------------------------------------------<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="vertical" android:layout_width="match_parent" android:layout_height="match_parent"> <TextView android:text="ssee" android:textSize="35dp" android:layout_width="match_parent" android:layout_height="wrap_content" /></LinearLayout>--------------------------------------------------------------------------------<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="vertical" android:layout_width="match_parent" android:layout_height="match_parent"> <TextView android:text="wode" android:textSize="35dp" android:layout_width="match_parent" android:layout_height="wrap_content" /></LinearLayout>-------------------------------------------------------------------------------------------<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="vertical" android:layout_width="match_parent" android:layout_height="match_parent"> <TextView android:layout_width="match_parent" android:layout_height="wrap_content" android:text="测试数据2"/></LinearLayout>-------------------------------------------------------------<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="vertical" android:layout_width="match_parent" android:layout_height="match_parent"> <TextView android:layout_width="match_parent" android:layout_height="wrap_content" android:text="测试数据3"/></LinearLayout>
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