item.xml (加载到适配器的布局文件)
<?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical" > <TextView android:id="@+id/textView1_itemxml" android:layout_width="wrap_content" android:layout_height="wrap_content" android:textSize="25sp" /> </LinearLayout>
aitic.xml (加载到 fragment 布局文件)
<?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" android:paddingLeft="8dp" android:paddingRight="8dp"> <!-- 注意 id 的使用 --> <ListView android:id="@id/android:list" android:layout_width="match_parent" android:layout_height="0dp" android:background="#00FF00" android:layout_weight="1" android:drawSelectorOnTop="false"/> </LinearLayout>
ArticListFragment extends ListFragment
ArticListFragment.java 文件代码
package com.example.android_fragment_adapter; import java.util.ArrayList; import java.util.List; import android.R.array; import android.app.ListFragment; import android.os.Bundle; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.BaseAdapter; import android.widget.ListView; import android.widget.TextView; import android.widget.Toast; public class ArticListFragment extends ListFragment { private MyAdaper adapter; @Override public void onCreate(Bundle savedInstanceState) { // TODO Auto-generated method stub super.onCreate(savedInstanceState); adapter=new MyAdaper(); //绑定数据源 adapter.bindData(getData()); } public List<String> getData(){ List<String> list=new ArrayList<String>(); for(int i=0;i<20;i++){ list.add("XXX"+i); } return list; } @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { // TODO Auto-generated method stub View view=inflater.inflate(R.layout.aitic, null); // ListView listView=(ListView)view.findViewById(R.id.listView); // listView.setAdapter(adapter);//错误的写法 //绑定适配器 setListAdapter(adapter); return view; } @Override public void onPause() { // TODO Auto-generated method stub super.onPause(); } /** * 点击事件的处理 */ @Override public void onListItemClick(ListView l, View v, int position, long id) { // TODO Auto-generated method stub super.onListItemClick(l, v, position, id); String item=adapter.getItem(position).toString(); Toast.makeText(getActivity(), item, 1).show(); } /** * 自定义适配器 * @author Administrator * */ class MyAdaper extends BaseAdapter{ private List<String> list; public void bindData(List<String> list ){ this.list=list; } @Override public int getCount() { // TODO Auto-generated method stub return list.size(); } @Override public Object getItem(int position) { // TODO Auto-generated method stub return list.get(position); } @Override public long getItemId(int position) { // TODO Auto-generated method stub return position; } @Override public View getView(int position, View convertView, ViewGroup parent) { // TODO Auto-generated method stub TextView textView=null; View view=null; if(convertView==null) { view=LayoutInflater.from(getActivity()).inflate(R.layout.item, null); }else{ view=convertView; } textView=(TextView)view.findViewById(R.id.textView1_itemxml); textView.setText(list.get(position).toString()); return view; } } }
activity_main.xml 主布局文件(两个 LinearLayout 布局)
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="horizontal" tools:context=".MainActivity" > <LinearLayout android:id="@+id/left_LinearLayout" android:layout_weight="1" android:layout_width="0dp" android:background="#cccccc" android:layout_height="match_parent" android:orientation="vertical" > <Button android:id="@+id/button1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="show" /> </LinearLayout> <LinearLayout android:id="@+id/right_LinearLayout" android:background="#f0f0f0" android:layout_weight="3" android:layout_width="0dp" android:layout_height="match_parent" android:orientation="vertical" > </LinearLayout> </LinearLayout>
MainActivity.java 文件代码
package com.example.android_fragment_adapter; import android.os.Bundle; import android.app.Activity; import android.app.FragmentManager; import android.app.FragmentTransaction; import android.view.Menu; import android.view.View; import android.widget.Button; public class MainActivity extends Activity { private Button button; private FragmentManager manager; private FragmentTransaction transaction; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); button=(Button)this.findViewById(R.id.button1); manager=this.getFragmentManager(); button.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { // TODO Auto-generated method stub transaction=manager.beginTransaction(); ArticListFragment fragment=new ArticListFragment(); transaction.add(R.id.right_LinearLayout, fragment, "rifht_fragment"); transaction.commit(); } }); } @Override public boolean onCreateOptionsMenu(Menu menu) { // Inflate the menu; this adds items to the action bar if it is present. getMenuInflater().inflate(R.menu.main, menu); return true; } }