Android:自定义列表视图,适配器中的表视图
我以编程方式在列表视图适配器中创建了一个表视图。首先,我创建了一个适配器布局,如下所示:Android:自定义列表视图,适配器中的表视图,android,android-listview,android-custom-view,android-adapter,Android,Android Listview,Android Custom View,Android Adapter,我以编程方式在列表视图适配器中创建了一个表视图。首先,我创建了一个适配器布局,如下所示: <?xml version="1.0" encoding="utf-8"?> <TableLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent"
<?xml version="1.0" encoding="utf-8"?>
<TableLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@android:color/black"
android:stretchColumns="*"
android:id="@+id/tablelayout" >
</ableLayout>
那么我在适配器中所做的是:
public class DemoAdapter extends ArrayAdapter<String> {
//Global Variable declaration
Context myContext;
String[] key, value, loop;
public DemoAdapter(Context context, String[] key, String[] value, String[] loop){
super(context, R.layout.demo_screen_adapter, loop);
this.myContext = context;
this.key = key;
this.value = value;
this.loop = loop;
}
@Override
public View getView(int position, View convertView, ViewGroup parent){
View row = convertView;
if (row == null){
// get reference to the activity
LayoutInflater inflater = ((Activity) myContext).getLayoutInflater();
// Inflate the custom text which will replace the default text view
//list_item is a simple linear layout which contain textView1 in it.
row = inflater.inflate(R.layout.demo_screen_adapter, parent, false);
}
TableLayout tableLayout = (TableLayout) row.findViewById(R.id.tablelayout);
for(int i=0; i<5; i++){
TableRow tableRow = new TableRow(myContext);
tableRow.setLayoutParams(new TableRow.LayoutParams(TableRow.LayoutParams.MATCH_PARENT, TableRow.LayoutParams.WRAP_CONTENT));
TextView tvKey = new TextView(myContext);
tvKey.setText(key[(position*5)+i]);
tvKey.setTextColor(Color.WHITE);
tvKey.setLayoutParams(new TableRow.LayoutParams(TableRow.LayoutParams.WRAP_CONTENT, TableRow.LayoutParams.WRAP_CONTENT));
tableRow.addView(tvKey);
TextView tvValue = new TextView(myContext);
tvValue.setText(value[(position*5)+i]);
tvValue.setTextColor(Color.WHITE);
tvValue.setLayoutParams(new TableRow.LayoutParams(TableRow.LayoutParams.WRAP_CONTENT, TableRow.LayoutParams.WRAP_CONTENT));
tableRow.addView(tvValue);
tableLayout.addView(tableRow, new TableLayout.LayoutParams(TableLayout.LayoutParams.MATCH_PARENT, TableLayout.LayoutParams.MATCH_PARENT));
}
return row;
}
}
公共类DemoAdapter扩展了ArrayAdapter{
//全局变量声明
语境;
字符串[]键,值,循环;
公共DemoAdapter(上下文上下文、字符串[]键、字符串[]值、字符串[]循环){
超级(上下文,R.layout.demo\u屏幕\u适配器,循环);
this.myContext=上下文;
this.key=key;
这个值=值;
this.loop=循环;
}
@凌驾
公共视图getView(int位置、视图转换视图、视图组父视图){
视图行=转换视图;
if(行==null){
//获取活动的引用
LayoutFlater充气器=((活动)myContext).getLayoutFlater();
//膨胀自定义文本,以替换默认文本视图
//列表项是一个简单的线性布局,其中包含textView1。
row=充气机。充气(R.layout.demo\u屏幕\u适配器,父级,错误);
}
TableLayout=(TableLayout)row.findviewbyd(R.id.TableLayout);
用于自定义适配器中的(int i=0;i。使用支架
这是我的自定义适配器
import java.util.ArrayList;
import com.samplelogin.CustomerDetails;
import com.samplelogin.R;
import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.TextView;
public class UserCustomAdapter extends ArrayAdapter<Customers> {
Context context;
int layoutResourceId;
ArrayList<Customers> data = new ArrayList<Customers>();
public UserCustomAdapter(Context context, int layoutResourceId,
ArrayList<Customers> data) {
super(context, layoutResourceId, data);
this.layoutResourceId = layoutResourceId;
this.context = context;
this.data = data;
}
@Override
public View getView(final int position, View convertView, ViewGroup parent) {
View row = convertView;
UserHolder holder = null;
if (row == null) {
LayoutInflater inflater = ((Activity) context).getLayoutInflater();
row = inflater.inflate(layoutResourceId, parent, false);
holder = new UserHolder();
holder.textName = (TextView) row.findViewById(R.id.textView1);
holder.textAddress = (TextView) row.findViewById(R.id.textView2);
holder.textLocation = (TextView) row.findViewById(R.id.textView3);
holder.btnEdit = (Button) row.findViewById(R.id.button1);
row.setTag(holder);
} else {
holder = (UserHolder) row.getTag();
}
Customers user = data.get(position);
holder.textName.setText(user.getName());
holder.textAddress.setText(user.getAddress());
holder.textLocation.setText("");
holder.btnEdit.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
Customers user = data.get(position);
user.setTID(user.getID());
user.setTName(user.getName());
user.setTAddress(user.getAddress());
user.setTTelNo(user.getTelNo());
user.setTMobileNo(user.getMobileNo());
user.setTFaxNo(user.getFaxNo());
Intent intent = new Intent(context, CustomerDetails.class);
context.startActivity(intent);
}
});
return row;
}
static class UserHolder {
TextView textName;
TextView textAddress;
TextView textLocation;
Button btnEdit;
Button btnDelete;
}
}
在这里,您可以单击该项并执行所需操作。在本示例中,我在公共类的列表中传递数据,然后转到下一个活动
// get on item click listener
CustomerList.setOnItemClickListener(new OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> arg0, View arg1, int arg2,
long arg3) {
// TODO Auto-generated method stub
Customers user = CustomerArray.get(arg2);
user.setTID(user.getID());
user.setTName(user.getName());
user.setTAddress(user.getAddress());
user.setTTelNo(user.getTelNo());
user.setTMobileNo(user.getMobileNo());
user.setTFaxNo(user.getFaxNo());
Intent intent = new Intent(MainMaintenance.this,
CustomerDetails.class);
startActivity(intent);
}
});
//进入项目单击侦听器
setOnItemClickListener(新的OnItemClickListener(){
@凌驾
公共链接(AdapterView arg0、视图arg1、内部arg2、,
长arg3){
//TODO自动生成的方法存根
Customers user=CustomerArray.get(arg2);
user.setTID(user.getID());
user.setTName(user.getName());
user.setTAddress(user.getAddress());
user.setTTelNo(user.getTelNo());
user.setTMobileNo(user.getMobileNo());
user.setTFaxNo(user.getFaxNo());
意向意向=新意向(MainMainMaintenance.this,
CustomerDetails.class);
星触觉(意向);
}
});
自定义适配器中的setOnClickListener是,如果您将在自定义适配器中放置一个按钮:)如果您感到困惑,请告诉我:)
我希望这个示例代码将给您一个想法并帮助您
// Customer
ListView CustomerList;
UserCustomAdapter CustomerAdapter;
ArrayList<Customers> CustomerArray = new ArrayList<Customers>();
Button addCustomer;
// Customer Tab
cdb = new CustomerDB(getApplicationContext());
int custcount = cdb.getCustomerCount();
if (custcount > 0) {
List<Customers> cdbL = cdb.getAllCustomers();
int listSize = cdbL.size();
for (int i = 0; i < listSize; i++) {
CustomerArray.add(new Customers(cdbL.get(i).getDBName()
.toString(), cdbL.get(i).getDBAddress().toString(),
cdbL.get(i).getDBTelNo().toString(), cdbL.get(i)
.getDBMobileNo().toString(), cdbL.get(i)
.getDBFaxNo().toString(), cdbL.get(i).getDBID()
.toString()));
}
}
// set item into adapter
CustomerAdapter = new UserCustomAdapter(MainMaintenance.this,
R.layout.maintenancetab, CustomerArray);
CustomerList = (ListView) findViewById(R.id.lvCustomer);
CustomerList.setItemsCanFocus(false);
CustomerList.setAdapter(CustomerAdapter);
// get on item click listener
CustomerList.setOnItemClickListener(new OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> arg0, View arg1, int arg2,
long arg3) {
// TODO Auto-generated method stub
Customers user = CustomerArray.get(arg2);
user.setTID(user.getID());
user.setTName(user.getName());
user.setTAddress(user.getAddress());
user.setTTelNo(user.getTelNo());
user.setTMobileNo(user.getMobileNo());
user.setTFaxNo(user.getFaxNo());
Intent intent = new Intent(MainMaintenance.this,
CustomerDetails.class);
startActivity(intent);
}
});