Java 获取listview外部的edittext值,获取OnItemClick内部的edittext值
我是android应用开发新手 我想获取listview外部的edittext值,我想获取OnItemClick内部的值。当用户输入文本并单击列表项时,我需要同时获取列表项和编辑文本值 我创建了包含一个edittext和listview的主布局。我想在listview和McClick事件中获取edittext值 我试过了,但我没办法。请引导我 这里我列出了我的示例程序 MainActivity.javaJava 获取listview外部的edittext值,获取OnItemClick内部的edittext值,java,android,listview,android-listview,android-arrayadapter,Java,Android,Listview,Android Listview,Android Arrayadapter,我是android应用开发新手 我想获取listview外部的edittext值,我想获取OnItemClick内部的值。当用户输入文本并单击列表项时,我需要同时获取列表项和编辑文本值 我创建了包含一个edittext和listview的主布局。我想在listview和McClick事件中获取edittext值 我试过了,但我没办法。请引导我 这里我列出了我的示例程序 MainActivity.java import java.util.ArrayList; import android.ap
import java.util.ArrayList;
import android.app.Activity;
import android.os.Bundle;
import android.widget.EditText;
import android.widget.ListView;
public class MainActivity extends Activity {
ArrayList<String> listVal = new ArrayList<String>();
public EditText searchKey;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
searchKey = (EditText) findViewById(R.id.searchKey);
ListView spinner = (ListView) findViewById(R.id.listView1);
listVal.add("Apple");
listVal.add("Avocado");
listVal.add("Banana");
listVal.add("Blueberry");
listVal.add("Coconut");
listVal.add("Durian");
listVal.add("Guava");
listVal.add("Kiwifruit");
listVal.add("Jackfruit");
ListAdapter listAdapter = new ListAdapter(getApplicationContext(), R.layout.list, listVal);
spinner.setAdapter(listAdapter);
spinner.setOnItemClickListener(listAdapter);
}
}
import java.util.ArrayList;
导入android.app.Activity;
导入android.os.Bundle;
导入android.widget.EditText;
导入android.widget.ListView;
公共类MainActivity扩展了活动{
ArrayList listVal=新的ArrayList();
公共编辑文本搜索键;
@凌驾
创建时受保护的void(Bundle savedInstanceState){
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
searchKey=(EditText)findViewById(R.id.searchKey);
ListView微调器=(ListView)findViewById(R.id.listView1);
添加(“苹果”);
添加(“鳄梨”);
添加(“香蕉”);
添加(“蓝莓”);
添加(“椰子”);
添加列表(“榴莲”);
添加(“番石榴”);
添加(“猕猴桃”);
添加(“菠萝蜜”);
ListAdapter ListAdapter=新的ListAdapter(getApplicationContext(),R.layout.list,listVal);
spinner.setAdapter(listAdapter);
spinner.setOnItemClickListener(listAdapter);
}
}
ListAdapter.java
import java.util.ArrayList;
import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ArrayAdapter;
import android.widget.TextView;
import android.widget.Toast;
public class ListAdapter extends ArrayAdapter<String> implements OnItemClickListener {
private final Context context;
private final ArrayList<String> values;
int layoutResourceId;
public ListAdapter(Context context, int layoutResourceId, ArrayList<String> values) {
super(context, layoutResourceId, values);
this.context = context;
this.layoutResourceId = layoutResourceId;
this.values = values;
}
public View getView(int position, View convertView, ViewGroup parent) {
LayoutInflater inflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
View rowView = inflater.inflate(layoutResourceId, parent, false);
TextView textView = (TextView) rowView.findViewById(R.id.listItem);
textView.setText(values.get(position));
return rowView;
}
@Override
public void onItemClick(AdapterView<?> arg0, View arg1, int arg2, long arg3) {
TextView message = (TextView)arg1.findViewById(R.id.listItem);
Toast.makeText(context, message.getText().toString(), Toast.LENGTH_SHORT).show();
}
}
import java.util.ArrayList;
导入android.content.Context;
导入android.view.LayoutInflater;
导入android.view.view;
导入android.view.ViewGroup;
导入android.widget.AdapterView;
导入android.widget.AdapterView.OnItemClickListener;
导入android.widget.ArrayAdapter;
导入android.widget.TextView;
导入android.widget.Toast;
公共类ListAdapter扩展了ArrayAdapter实现了ListListener{
私人最终语境;
私有最终ArrayList值;
国际布局资源;
公共ListAdapter(上下文上下文、int-layoutResourceId、ArrayList值){
超级(上下文、布局资源ID、值);
this.context=上下文;
this.layoutResourceId=layoutResourceId;
这个值=值;
}
公共视图getView(int位置、视图转换视图、视图组父视图){
LayoutFlater充气器=(LayoutFlater)context.getSystemService(context.LAYOUT\u充气器\u服务);
视图行视图=充气机。充气(布局资源ID,父项,false);
TextView TextView=(TextView)rowView.findViewById(R.id.listItem);
setText(values.get(position));
返回行视图;
}
@凌驾
公共视图单击(AdapterView arg0、视图arg1、整型arg2、长型arg3){
TextView消息=(TextView)arg1.findViewById(R.id.listItem);
Toast.makeText(上下文,message.getText().toString(),Toast.LENGTH_SHORT).show();
}
}
activity_main.xml
<RelativeLayout 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:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
tools:context=".MainActivity" >
<EditText
android:id="@+id/searchKey"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:inputType="text"
android:ems="10" >
<requestFocus />
</EditText>
<ListView
android:id="@+id/listView1"
android:layout_below="@+id/searchKey"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true" >
</ListView>
</RelativeLayout>
list.xml
<?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/listItem"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:padding="15dip"
android:textColor="#000000" />
</LinearLayout>
试试这个
public class MainActivity extends Activity {
ArrayList<String> listVal = new ArrayList<String>();
public EditText searchKey;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
searchKey = (EditText) findViewById(R.id.searchKey);
ListView spinner = (ListView) findViewById(R.id.listView1);
listVal.add("Apple");
listVal.add("Avocado");
listVal.add("Banana");
listVal.add("Blueberry");
listVal.add("Coconut");
listVal.add("Durian");
listVal.add("Guava");
listVal.add("Kiwifruit");
listVal.add("Jackfruit");
ListAdapter listAdapter = new ListAdapter(getApplicationContext(), R.layout.list, listVal);
spinner.setAdapter(listAdapter);
spinner.setOnItemClickListener(new OnItemClickListener()
{
@Override
public void onItemClick(AdapterView<?> arg0, View v, int pos,
long id) {
// TODO Auto-generated method stub
Log.v("listitem_value",values.get(pos));
Log.v("EditTextValue",searchKey.getText().toString().trim());
Toast.makeText(context, "listitem_value:"+values.get(pos)+"\nEditTextValue:"+searchKey.getText().toString().trim(), Toast.LENGTH_SHORT).show();
}
});
}
}
公共类MainActivity扩展活动{
ArrayList listVal=新的ArrayList();
公共编辑文本搜索键;
@凌驾
创建时受保护的void(Bundle savedInstanceState){
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
searchKey=(EditText)findViewById(R.id.searchKey);
ListView微调器=(ListView)findViewById(R.id.listView1);
添加(“苹果”);
添加(“鳄梨”);
添加(“香蕉”);
添加(“蓝莓”);
添加(“椰子”);
添加列表(“榴莲”);
添加(“番石榴”);
添加(“猕猴桃”);
添加(“菠萝蜜”);
ListAdapter ListAdapter=新的ListAdapter(getApplicationContext(),R.layout.list,listVal);
spinner.setAdapter(listAdapter);
spinner.setOnItemClickListener(新的OnItemClickListener()
{
@凌驾
公共链接(AdapterView arg0、视图v、内部位置、,
长id){
//TODO自动生成的方法存根
Log.v(“listitem_值”,values.get(pos));
Log.v(“EditTextValue”,searchKey.getText().toString().trim());
Toast.makeText(上下文,“listitem_值:”+values.get(pos)+“\neditextValue:”+searchKey.getText().toString().trim(),Toast.LENGTH_SHORT.show();
}
});
}
}
并在ListAdapter
微调器中删除实现OnItemClickListener
和onItemClick
方法。setOnItemClickListener(新的OnItemClickListener()
spinner.setOnItemClickListener(new OnItemClickListener()
{
@Override
public void onItemClick(AdapterView<?> arg0, View v, int pos,
long id) {
// TODO Auto-generated method stub
TextView message = (TextView)arg1.findViewById(R.id.listItem);
Toast.makeText(context, message.getText().toString(), Toast.LENGTH_SHORT).show();
Log.v("EditText",searchKey.getText().toString().trim());
}
});
{
@凌驾
公共链接(AdapterView arg0、视图v、内部位置、,
长id){
//TODO自动生成的方法存根
TextView消息=(TextView)arg1.findViewById(R.id.listItem);
Toast.makeText(上下文,message.getText().toString(),Toast.LENGTH_SHORT).show();
Log.v(“EditText”,searchKey.getText().toString().trim());
}
});
您也可以使用它,它可能会帮助其他人
spinner.setOnItemClickListener(new OnItemClickListener()
{
@Override
public void onItemClick(AdapterView<?> arg0, View v, int pos,
long id) {
// TODO Auto-generated method stub
int p = values.get(pos);
String key = searchKey.getText().toString().trim();
Log.v("listitem_value",p);
Log.v("EditTextValue",key);
Toast.makeText(context, "listitem_value:"+p+"\nEditTextValue:"+key, Toast.LENGTH_SHORT).show();
}
});
spinner.setOnItemClickListener(新的OnItemClickListener()
{
@凌驾
公共链接(AdapterView arg0、视图v、内部位置、,
长id){
//TODO自动生成的方法存根