代码如下：
activity_main.xml
1 <ListView 2 android:id="@+id/account" 3 android:layout_width="match_parent" 4 android:layout_height="match_parent" 5 android:padding="10dp" 6 android:divider="@null" 7 android:dividerHeight="6dp" 8 android:layout_below="@id/btn_add" 9 android:scrollbars="none" />
layout_account.xml
1 <?xml version="1.0" encoding="utf-8"?> 2 <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" 3 android:layout_width="match_parent" 4 android:layout_height="wrap_content" 5 android:layout_marginTop="10dp" 6 android:padding="10dp" 7 android:background="#999999"> 8 9 <RelativeLayout 10 android:layout_width="wrap_content" 11 android:layout_height="wrap_content"> 12 <TextView 13 android:id="@+id/account_name" 14 android:layout_width="wrap_content" 15 android:layout_height="wrap_content" 16 android:text="姓名" 17 android:textStyle="bold" 18 android:textSize="20sp"/> 19 <TextView 20 android:id="@+id/gang" 21 android:layout_width="wrap_content" 22 android:layout_height="wrap_content" 23 android:text="-" 24 android:layout_toRightOf="@id/account_name" 25 android:textStyle="bold" 26 android:textSize="20sp"/> 27 <TextView 28 android:id="@+id/account_class" 29 android:layout_width="wrap_content" 30 android:layout_height="wrap_content" 31 android:layout_toRightOf="@id/gang" 32 android:text="班级" 33 android:textSize="20sp" 34 android:textStyle="bold" /> 35 </RelativeLayout> 36 <LinearLayout 37 android:layout_width="wrap_content" 38 android:layout_height="wrap_content" 39 android:layout_alignParentRight="true" 40 android:orientation="vertical"> 41 42 <TextView 43 android:id="@+id/account_id" 44 android:layout_width="wrap_content" 45 android:layout_height="wrap_content" 46 android:text="学号" 47 android:textStyle="bold"/> 48 <TextView 49 android:id="@+id/account_phone" 50 android:layout_width="wrap_content" 51 android:layout_height="wrap_content" 52 android:text="电话" 53 android:layout_marginTop="5dp"/> 54 </LinearLayout> 55 56 </RelativeLayout>
此界面效果图为：
Adapter.java
1 import android.content.Context; 2 import android.view.LayoutInflater; 3 import android.view.View; 4 import android.view.ViewGroup; 5 import android.widget.ArrayAdapter; 6 import android.widget.TextView; 7 8 import java.util.List; 9 10 public class Adapter extends ArrayAdapter { 11 private final int resourceId; 12 13 public Adapter(Context context, int textViewResourceId, List<User> objects){ 14 super(context,textViewResourceId,objects); 15 resourceId=textViewResourceId; 16 } 17 18 @Override 19 public View getView(int position, View convertView, ViewGroup parent){ 20 User user = (User) getItem(position); // 获取当前项的Account/实例 21 View view = LayoutInflater.from(getContext()).inflate(resourceId, null);//实例化一个对象 22 TextView nametv,classtv,idtv,phonetv; 23 nametv=view.findViewById(R.id.account_name); 24 classtv=view.findViewById(R.id.account_class); 25 idtv=view.findViewById(R.id.account_id); 26 phonetv=view.findViewById(R.id.account_phone); 27 nametv.setText(user.getUserName()); 28 classtv.setText(user.getUserClass()); 29 idtv.setText(user.getUserID()); 30 phonetv.setText(user.getUserPhone()); 31 return view; 32 } 33 }
MainActivity.java
1 public class MainActivity extends AppCompatActivity{ 2 //ListView 3 private List<User> accountList=new ArrayList<User>(); 4 private ListView listView; 5 @Override 6 protected void onCreate(Bundle savedInstanceState) { 7 super.onCreate(savedInstanceState); 8 setContentView(R.layout.activity_main); 9 //ListView 10 initAccount();//初始化 11 Adapter adapter=new Adapter(MainActivity.this,R.layout.layout_account,accountList); 12 listView=findViewById(R.id.account);//绑定listview 13 listView.setAdapter(adapter);//设置adapter 14 15 //点击listView，跳转到统计信息界面 16 listView.setOnItemClickListener(new AdapterView.OnItemClickListener() { 17 @Override 18 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 19 User user=accountList.get(position); 20 Toast.makeText(MainActivity.this,user.toString(),Toast.LENGTH_LONG).show(); 21 Intent intent=null; 22 intent=new Intent(MainActivity.this,InformationActivity.class); 23 String user_name=user.getUserName(); 24 String user_ID=user.getUserID(); 25 String user_class=user.getUserClass(); 26 String user_phone=user.getUserPhone(); 27 Toast.makeText(MainActivity.this,user_name,Toast.LENGTH_LONG).show(); 28 Toast.makeText(MainActivity.this,user_ID,Toast.LENGTH_LONG).show(); 29 Toast.makeText(MainActivity.this,user_class,Toast.LENGTH_LONG).show(); 30 Toast.makeText(MainActivity.this,user_phone,Toast.LENGTH_LONG).show(); 31 intent.putExtra("User_Name",user_name); 32 intent.putExtra("User_ID",user_ID); 33 intent.putExtra("User_Class",user_class); 34 intent.putExtra("User_Phone",user_phone); 35 startActivity(intent); 36 } 37 }); 38 } 39 40 private void initAccount(){ 41 //从数据库里面把数据取出来 42 MyDatabaseHelper databaseHelper=new MyDatabaseHelper(this); 43 SQLiteDatabase db=databaseHelper.getWritableDatabase(); 44 Cursor cursor=db.query("user",null,null,null,null,null,null); 45 while(cursor.moveToNext()){ 46 String userName=cursor.getString(cursor.getColumnIndex("userName")); 47 String userId=cursor.getString(cursor.getColumnIndex("userID")); 48 String userPhone=cursor.getString(cursor.getColumnIndex("userPhone")); 49 String userClass=cursor.getString(cursor.getColumnIndex("userClass")); 50 User user=new User(userId,userClass,userPhone,userName); 51 accountList.add(user); 52 } 53 } 54 }
activity_information,xml
1 <?xml version="1.0" encoding="utf-8"?> 2 <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" 3 xmlns:app="http://schemas.android.com/apk/res-auto" 4 xmlns:tools="http://schemas.android.com/tools" 5 android:layout_width="match_parent" 6 android:layout_height="match_parent" 7 tools:context=".InformationActivity"> 8 9 <TextView 10 android:id="@+id/Info1" 11 android:textColor="#000000" 12 android:textSize="16sp" 13 android:layout_width="match_parent" 14 android:layout_height="50dp" 15 android:padding="5dp" 16 android:digits="1234567890." 17 android:layout_below="@id/back" 18 android:layout_marginTop="20dp" 19 android:background="#FDDEDE" 20 /> 21 22 <TextView 23 android:id="@+id/Info2" 24 android:textColor="#000000" 25 android:textSize="16sp" 26 android:layout_width="match_parent" 27 android:layout_height="50dp" 28 android:padding="5dp" 29 android:layout_below="@id/Info1" 30 android:layout_marginTop="20dp" 31 android:background="#FDDEDE" 32 /> 33 34 <TextView 35 android:id="@+id/Info3" 36 android:layout_width="match_parent" 37 android:layout_height="50dp" 38 android:layout_below="@id/Info2" 39 android:layout_marginTop="20dp" 40 android:background="#FDDEDE" 41 android:digits="1234567890" 42 android:padding="5dp" 43 android:textColor="#000000" 44 android:textSize="16sp" /> 45 46 <TextView 47 android:id="@+id/Info4" 48 android:textColor="#000000" 49 android:textSize="16sp" 50 android:layout_width="match_parent" 51 android:layout_height="50dp" 52 android:padding="5dp" 53 android:layout_below="@id/Info3" 54 android:layout_marginTop="20dp" 55 android:background="#FDDEDE" 56 android:clickable="true" 57 /> 58 59 60 </RelativeLayout>
InformationActivity.java
1 public class InformationActivity extends AppCompatActivity { 2 3 private TextView name; 4 private TextView ID; 5 private TextView Classs; 6 private TextView Phone; 7 8 @Override 9 protected void onCreate(Bundle savedInstanceState) { 10 super.onCreate(savedInstanceState); 11 setContentView(R.layout.activity_information); 12 13 name=findViewById(R.id.Info1); 14 ID=findViewById(R.id.Info2); 15 Classs=findViewById(R.id.Info3); 16 Phone=findViewById(R.id.Info4); 17 18 Intent intent = getIntent(); 19 name.setText(intent.getStringExtra("User_Name")); 20 ID.setText(intent.getStringExtra("User_ID")); 21 Classs.setText(intent.getStringExtra("User_Class")); 22 Phone.setText(intent.getStringExtra("User_Phone")); 23 24 } 25 }
以上即为将数据显示在listView上并且点击listView时携带数据跳转到其他界面的代码