1 package com.lixu.huadong; 2 3 import java.util.ArrayList; 4 5 import android.os.Bundle; 6 import android.support.v4.app.Fragment; 7 import android.support.v4.app.FragmentActivity; 8 import android.support.v4.app.FragmentManager; 9 import android.support.v4.app.FragmentPagerAdapter; 10 import android.support.v4.view.ViewPager; 11 import android.view.Window; 12 13 public class MainActivity extends FragmentActivity { 14 private MyAdapter mMyAdapter = null; 15 private ArrayList<Fragment> list = null; 16 17 @Override 18 protected void onCreate(Bundle savedInstanceState) { 19 super.onCreate(savedInstanceState); 20 // 去掉程序标题头 21 requestWindowFeature(Window.FEATURE_NO_TITLE); 22 23 setContentView(R.layout.activity_main); 24 25 list = new ArrayList<Fragment>(); 26 list.add(new MyFragment1()); 27 list.add(new MyFragment2()); 28 list.add(new MyFragment3()); 29 list.add(new MyFragment4()); 30 31 ViewPager vp = (ViewPager) findViewById(R.id.vp); 32 mMyAdapter = new MyAdapter(this.getSupportFragmentManager()); 33 vp.setAdapter(mMyAdapter); 34 35 } 36 37 private class MyAdapter extends FragmentPagerAdapter { 38 39 public MyAdapter(FragmentManager fm) { 40 super(fm); 41 } 42 43 @Override 44 public Fragment getItem(int arg0) { 45 return list.get(arg0); 46 } 47 48 @Override 49 public int getCount() { 50 return list.size(); 51 } 52 53 } 54 55 }
1 package com.lixu.huadong; 2 3 import android.os.Bundle; 4 import android.support.v4.app.Fragment; 5 import android.view.LayoutInflater; 6 import android.view.View; 7 import android.view.ViewGroup; 8 import android.widget.ImageView; 9 10 class MyFragment1 extends Fragment { 11 12 @Override 13 public void onCreate(Bundle savedInstanceState) { 14 super.onCreate(savedInstanceState); 15 } 16 17 // 创建view 也可以直接在这里面获取view中的控件。 18 @Override 19 public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { 20 21 View view = inflater.inflate(R.layout.list, null); 22 23 return view; 24 } 25 26 // 创建view完毕 可以直接在onCreateView中获取view中控件。 27 @Override 28 public void onViewCreated(View view, Bundle savedInstanceState) { 29 super.onViewCreated(view, savedInstanceState); 30 31 ImageView iv = (ImageView) view.findViewById(R.id.iv); 32 iv.setImageResource(R.drawable.weixinjiemian); 33 } 34 }
1 package com.lixu.huadong; 2 3 import java.util.ArrayList; 4 import java.util.HashMap; 5 6 import android.content.Context; 7 import android.graphics.Color; 8 import android.os.Bundle; 9 import android.support.v4.app.Fragment; 10 import android.view.LayoutInflater; 11 import android.view.View; 12 import android.view.ViewGroup; 13 import android.widget.ArrayAdapter; 14 import android.widget.ListView; 15 import android.widget.TextView; 16 17 class MyFragment2 extends Fragment { 18 private static final String TYPE = "type"; 19 private static final String DATE = "date"; 20 private static final int GROUP = -1; 21 private static final int ITEM = -2; 22 23 private ArrayList<HashMap<String, Object>> item = null; 24 25 @Override 26 public void onCreate(Bundle savedInstanceState) { 27 super.onCreate(savedInstanceState); 28 29 } 30 31 // 创建view 32 @Override 33 public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { 34 35 View view = inflater.inflate(R.layout.list1, null); 36 37 return view; 38 } 39 40 // 创建view完毕 41 @Override 42 public void onViewCreated(View view, Bundle savedInstanceState) { 43 super.onViewCreated(view, savedInstanceState); 44 45 ListView lv = (ListView) view.findViewById(R.id.lv); 46 MyAdaper adapter = new MyAdaper(getActivity(), -1); 47 48 item = new ArrayList<HashMap<String, Object>>(); 49 50 String[] groups = { "家人", "朋友", "同学", "同事" }; 51 String[] date = { "张三", "李四", "王五", "狗儿" }; 52 for (String str : groups) { 53 HashMap<String, Object> group_map = new HashMap<String, Object>(); 54 55 group_map.put(TYPE, GROUP); 56 group_map.put(DATE, str); 57 item.add(group_map); 58 for (String n : date) { 59 60 HashMap<String, Object> date_map = new HashMap<String, Object>(); 61 62 date_map.put(TYPE, ITEM); 63 date_map.put(DATE, n); 64 item.add(date_map); 65 66 } 67 68 } 69 lv.setAdapter(adapter); 70 } 71 72 private class MyAdaper extends ArrayAdapter { 73 private LayoutInflater flater = null; 74 private Context context; 75 76 public MyAdaper(Context context, int resource) { 77 super(context, resource); 78 this.context = context; 79 flater = LayoutInflater.from(context); 80 } 81 82 @Override 83 public int getCount() { 84 return item.size(); 85 } 86 87 @Override 88 public int getItemViewType(int position) { 89 HashMap<String, Object> map = item.get(position); 90 return (Integer) map.get(TYPE); 91 } 92 93 @Override 94 public int getViewTypeCount() { 95 96 return 2; 97 } 98 99 @Override 100 public View getView(int position, View convertView, ViewGroup parent) { 101 int type = getItemViewType(position); 102 // 根据不同的view type加载不同的布局文件。 103 switch (type) { 104 case GROUP: 105 106 convertView = flater.inflate(android.R.layout.simple_list_item_1, null); 107 TextView tv1 = (TextView) convertView.findViewById(android.R.id.text1); 108 tv1.setText(item.get(position).get(DATE) + ""); 109 tv1.setBackgroundColor(Color.RED); 110 tv1.setTextSize(20); 111 112 break; 113 case ITEM: 114 convertView = flater.inflate(android.R.layout.simple_list_item_1, null); 115 TextView tv2 = (TextView) convertView.findViewById(android.R.id.text1); 116 tv2.setText(item.get(position).get(DATE) + ""); 117 118 break; 119 120 default: 121 break; 122 } 123 124 return convertView; 125 } 126 127 } 128 129 }
1 package com.lixu.huadong; 2 3 import android.os.Bundle; 4 import android.support.v4.app.Fragment; 5 import android.view.LayoutInflater; 6 import android.view.View; 7 import android.view.ViewGroup; 8 import android.widget.ImageView; 9 10 class MyFragment3 extends Fragment { 11 12 @Override 13 public void onCreate(Bundle savedInstanceState) { 14 super.onCreate(savedInstanceState); 15 } 16 17 // 创建view 18 @Override 19 public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { 20 21 View view = inflater.inflate(R.layout.list, null); 22 23 return view; 24 } 25 26 // 创建view完毕 27 @Override 28 public void onViewCreated(View view, Bundle savedInstanceState) { 29 super.onViewCreated(view, savedInstanceState); 30 31 ImageView iv = (ImageView) view.findViewById(R.id.iv); 32 iv.setImageResource(R.drawable.faxianjiemian); 33 } 34 }
1 package com.lixu.huadong; 2 3 import android.os.Bundle; 4 import android.support.v4.app.Fragment; 5 import android.view.LayoutInflater; 6 import android.view.View; 7 import android.view.ViewGroup; 8 import android.widget.ImageView; 9 10 class MyFragment4 extends Fragment { 11 12 @Override 13 public void onCreate(Bundle savedInstanceState) { 14 super.onCreate(savedInstanceState); 15 } 16 17 // 创建view 18 @Override 19 public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { 20 21 View view = inflater.inflate(R.layout.list, null); 22 23 return view; 24 } 25 26 // 创建view完毕 27 @Override 28 public void onViewCreated(View view, Bundle savedInstanceState) { 29 super.onViewCreated(view, savedInstanceState); 30 31 ImageView iv = (ImageView) view.findViewById(R.id.iv); 32 iv.setImageResource(R.drawable.wojiemian); 33 } 34 }
xml文件:
1 <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" 2 xmlns:tools="http://schemas.android.com/tools" 3 android:layout_width="match_parent" 4 android:layout_height="match_parent" 5 tools:context="com.lixu.huadong.MainActivity" > 6 7 <android.support.v4.view.ViewPager 8 android:id="@+id/vp" 9 android:layout_width="match_parent" 10 android:layout_height="match_parent" 11 /> 12 13 </RelativeLayout>
1 <?xml version="1.0" encoding="utf-8"?> 2 <ImageView xmlns:android="http://schemas.android.com/apk/res/android" 3 android:id="@+id/iv" 4 android:layout_width="match_parent" 5 android:layout_height="match_parent" > 6 7 </ImageView>
1 <?xml version="1.0" encoding="utf-8"?> 2 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" 3 android:layout_width="match_parent" 4 android:layout_height="match_parent" 5 android:orientation="vertical" > 6 7 <ListView 8 android:id="@+id/lv" 9 android:layout_width="match_parent" 10 android:layout_height="match_parent" > 11 </ListView> 12 13 </LinearLayout>
运行效果图:
时间: 2024-10-29 19:08:29