效果圖:
讓客戶滿意是我們工作的目標(biāo),不斷超越客戶的期望值來自于我們對(duì)這個(gè)行業(yè)的熱愛。我們立志把好的技術(shù)通過有效、簡單的方式提供給客戶,將通過不懈努力成為客戶在信息化領(lǐng)域值得信任、有價(jià)值的長期合作伙伴,公司提供的服務(wù)項(xiàng)目有:申請(qǐng)域名、雅安服務(wù)器托管、營銷軟件、網(wǎng)站建設(shè)、德宏州網(wǎng)站維護(hù)、網(wǎng)站推廣。
分析:
1、創(chuàng)建listView
2、創(chuàng)建數(shù)據(jù)
3、創(chuàng)建適配器
將數(shù)據(jù)放到呈現(xiàn)數(shù)據(jù)的容器里面。
將這個(gè)容器(帶數(shù)據(jù))連接適配器。
其實(shí)是直接在我們自己寫的adapter的getView重載方法中返回連接的view?!?/p>
View view=View.inflate(mContext, com.example.weChatFriends.R.layout.item_friend, null); return view;
4、ListView設(shè)置適配器
代碼:
package fry; import java.util.ArrayList; import java.util.List; import com.example.weChatFriends.R; import android.app.Activity; import android.os.Bundle; import android.util.Log; import android.view.View; import android.widget.AdapterView; import android.widget.AdapterView.OnItemClickListener; import android.widget.AdapterView.OnItemSelectedListener; import android.widget.ArrayAdapter; import android.widget.ListView; import android.widget.RelativeLayout; import android.widget.Toast; public class Activity01 extends Activity implements OnItemSelectedListener,OnItemClickListener{ private FriendModel friend; private ListView listView; private Listlist; private weChatListAdapter adapter; //存資源圖片ID private int[] imageID=new int[]{R.drawable.image1,R.drawable.image2, R.drawable.image3,R.drawable.image4,R.drawable.image5,R.drawable.image6, R.drawable.image7,R.drawable.image8,R.drawable.image9,R.drawable.image10, R.drawable.image11}; //存昵稱 private String[] nickName=new String[]{"張三","吳京","戰(zhàn)狼","神煩xp","木魚" ,"水心","系大大","電影","血怒","創(chuàng)奇","講故事" }; @Override protected void onCreate(Bundle savedInstanceState) { // TODO Auto-generated method stub super.onCreate(savedInstanceState); setContentView(R.layout.activity01); init(); setData(); } private void setData() { //這里要是寫成for(int i:imageID),那么i就是資源id,例如2130837505 for(int i=0;i (); } /* * Callback method to be invoked when an item in this view has been selected. This callback is invoked only when the newly selected position is different from the previously selected position or if there was no selected item.(non-Javadoc) * @see android.widget.AdapterView.OnItemSelectedListener#onItemSelected(android.widget.AdapterView, android.view.View, int, long) */ @Override public void onItemSelected(AdapterView<?> parent, View view, int position, long id) { } @Override public void onNothingSelected(AdapterView<?> parent) { // TODO Auto-generated method stub } @Override public void onItemClick(AdapterView<?> parent, View view, int position, long id) { FriendModel friendItem=(FriendModel) parent.getItemAtPosition(position); String s=friendItem.getNickName(); Log.d("onItemClick","s"); Toast.makeText(this, s, Toast.LENGTH_SHORT).show(); } }
package fry; import java.util.List; import com.example.weChatFriends.R; import android.content.Context; import android.view.View; import android.view.ViewGroup; import android.widget.BaseAdapter; import android.widget.ImageView; import android.widget.TextView; public class weChatListAdapter extends BaseAdapter{ private ListmyData; private Context mContext; private ImageView avator; private TextView nickName1; private TextView signature1; private FriendModel friend; public weChatListAdapter(List data, Context mContext) { super(); this.myData = data; this.mContext = mContext; } //How many items are in the data set represented by this Adapter. @Override public int getCount() { // TODO Auto-generated method stub return this.myData.size(); } //Get the data item associated with the specified position in the data set. @Override public Object getItem(int position) { // TODO Auto-generated method stub return this.myData.get(position); } //Get the row id associated with the specified position in the list. @Override public long getItemId(int position) { // TODO Auto-generated method stub return position; } //Get a View that displays the data at the specified position in the data set. @Override public View getView(int position, View convertView, ViewGroup parent) { // TODO Auto-generated method stub View view=View.inflate(mContext, com.example.weChatFriends.R.layout.item_friend, null); //System.out.println(position); friend=myData.get(position); int ImageID=friend.getImageNum(); String nickName=friend.getNickName(); String signature=friend.getSignature(); avator=(ImageView) view.findViewById(R.id.iv_avator); nickName1=(TextView)view.findViewById(R.id.tv_nickname); signature1=(TextView)view.findViewById(R.id.tv_signature); avator.setImageResource(ImageID); nickName1.setText(nickName); signature1.setText(signature); return view; } }
自己創(chuàng)建的適配器
package fry; public class FriendModel { //頭像的圖片id private int imageNum; //昵稱 private String nickName; //個(gè)性簽名 private String signature; public int getImageNum() { return imageNum; } public void setImageNum(int imageNum) { this.imageNum = imageNum; } public String getNickName() { return this.nickName; } public void setNickName(String nickName) { this.nickName = nickName; } public String getSignature() { return signature; } public void setSignature(String signature) { this.signature = signature; } }
列表中聯(lián)系人數(shù)據(jù)的封裝
<?xml version="1.0" encoding="utf-8"?>ListView ListView <?xml version="1.0" encoding="utf-8"?>
用于存放數(shù)據(jù)的容器