带有自定义单选按钮的android自定义listview
我想用自定义单选按钮(单选项选项)自定义listview(每个项目一个图像和一个文本) 我的代码:带有自定义单选按钮的android自定义listview,android,Android,我想用自定义单选按钮(单选项选项)自定义listview(每个项目一个图像和一个文本) 我的代码: listview.setAdapter(new myAdapter(getApplicationContext(), R.layout.mycontent, text)); 我的适配器类: public class myMessageAdapter extends ArrayAdapter<String> { private Layout
listview.setAdapter(new myAdapter(getApplicationContext(),
R.layout.mycontent, text));
我的适配器类:
public class myMessageAdapter extends ArrayAdapter<String> {
private LayoutInflater mInflater;
private String[] mText = null;
long id;
private int mViewResourceId;
public myMessageAdapter(Context ctx, int viewResourceId,
ArrayList<String> textList) {
super(ctx, viewResourceId);
mInflater = (LayoutInflater) ctx
.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
String[] message = textList.toArray(new String[textList.size()]);
mText = message;
mViewResourceId = viewResourceId;
}
@Override
public int getCount() {
return mText .length;
}
@Override
public String getItem(int position) {
return mText [position];
}
@Override
public long getItemId(int position) {
return 0;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
convertView = mInflater.inflate(mViewResourceId, null);
TextView MESSAGE = (TextView) convertView.findViewById(R.id.message);
id = getItemId(position);
MESSAGE.setText(mText [position]);
return convertView;
}
}
公共类myMessageAdapter扩展了ArrayAdapter{
私人停车场;
私有字符串[]多行文字=null;
长id;
私有int-mViewResourceId;
公共myMessageAdapter(上下文ctx,int-viewResourceId,
ArrayList文本列表){
超级(ctx、viewResourceId);
mInflater=(LayoutInflater)ctx
.getSystemService(上下文布局\充气机\服务);
String[]message=textList.toArray(新字符串[textList.size()]);
多行文字=信息;
mViewResourceId=viewsourceid;
}
@凌驾
public int getCount(){
返回mText.length;
}
@凌驾
公共字符串getItem(int位置){
返回多行文字[位置];
}
@凌驾
公共长getItemId(int位置){
返回0;
}
@凌驾
公共视图getView(int位置、视图转换视图、视图组父视图){
convertView=mInflater.inflate(mViewResourceId,null);
TextView消息=(TextView)convertView.findViewById(R.id.MESSAGE);
id=getItemId(位置);
MESSAGE.setText(多行文字[位置]);
返回视图;
}
}
我的输出列表项应为:
<radioButton> <Text> <Image>.Single choice selection.How could i do that?
。单选。我怎么做?
在getview中为自定义布局充气
public View getView(int arg0, View arg1, ViewGroup arg2) {
ViewHolder vh;
vh= new ViewHolder();
if(arg1==null )
{
arg1=mInflater.inflate(R.layout.customlistview, arg2,false);
vh.iv1= (ImageView)arg1.findViewById(R.id.ivs);
vh.rb= (RadioButton) arg1.findViewById(R.id.radioButton1);
vh.tv= (TextView)arg1.findViewById(R.id.textView1);
}
else
{
arg1.setTag(vh);
}
//set data to textview, radiobutton and imageview.
return arg1;
}
static class ViewHolder
{
TextView tv;
RadioButton rb;
ImageView iv1;
}
customlistview.xml。每行的自定义布局
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="horizontal"
android:cacheColorHint="#000000"
>
<RadioButton
android:id="@+id/radioButton1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="RadioButton" />
<TextView
android:id="@+id/textView1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="TextView" />
<ImageView
android:id="@+id/ivs"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
/>
</LinearLayout>
尝试此解决方案
package com.example.demo;
import android.app.Activity;
import android.content.Context;
import android.os.Bundle;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.Button;
import android.widget.ListView;
import android.widget.RadioButton;
import android.widget.TextView;
public class ListViewDemo extends Activity {
ListView LSOne;
int[] _intRadio = new int[20];
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.listview_radio);
LSOne = (ListView) findViewById(R.id.LSOne);
LSOne.setAdapter(new LsAdapter());
}
public class LsAdapter extends BaseAdapter {
@Override
public int getCount() {
return 20;
}
@Override
public Object getItem(int position) {
return position;
}
@Override
public long getItemId(int position) {
return 0;
}
@Override
public int getViewTypeCount() {
// TODO Auto-generated method stub
return 20;
}
@Override
public int getItemViewType(int position) {
// TODO Auto-generated method stub
return position;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
ViewHolder holder = null;
Log.v("ConvertView", String.valueOf(position));
int _intPosition = getItemViewType(position);
if (convertView == null) {
LayoutInflater vi = (LayoutInflater) getSystemService(Context.LAYOUT_INFLATER_SERVICE);
convertView = vi.inflate(R.layout.listview_radio_raw, null);
holder = new ViewHolder();
holder.code = (TextView) convertView
.findViewById(R.id.textView1);
holder.name = (RadioButton) convertView
.findViewById(R.id.radioButton1);
convertView.setTag(holder);
holder.name.setId(_intPosition);
holder.name.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
for (int i = 0; i < _intRadio.length; i++) {
if (i == v.getId()) {
_intRadio[i] = 1;
} else {
_intRadio[i] = 0;
}
}
notifyDataSetChanged();
}
});
} else {
holder = (ViewHolder) convertView.getTag();
}
if (_intRadio[_intPosition] == 1) {
holder.name.setChecked(true);
} else {
holder.name.setChecked(false);
}
return convertView;
}
private class ViewHolder {
TextView code;
RadioButton name;
Button btn;
}
}
}
package com.example.demo;
导入android.app.Activity;
导入android.content.Context;
导入android.os.Bundle;
导入android.util.Log;
导入android.view.LayoutInflater;
导入android.view.view;
导入android.view.ViewGroup;
导入android.widget.BaseAdapter;
导入android.widget.Button;
导入android.widget.ListView;
导入android.widget.RadioButton;
导入android.widget.TextView;
公共类ListViewDemo扩展活动{
ListView-LSOne;
int[]_intRadio=新int[20];
@凌驾
创建时受保护的void(Bundle savedInstanceState){
super.onCreate(savedInstanceState);
setContentView(R.layout.listview_radio);
LSOne=(ListView)findViewById(R.id.LSOne);
setAdapter(新的LsAdapter());
}
公共类LsAdapter扩展了BaseAdapter{
@凌驾
public int getCount(){
返回20;
}
@凌驾
公共对象getItem(int位置){
返回位置;
}
@凌驾
公共长getItemId(int位置){
返回0;
}
@凌驾
public int getViewTypeCount(){
//TODO自动生成的方法存根
返回20;
}
@凌驾
public int getItemViewType(int位置){
//TODO自动生成的方法存根
返回位置;
}
@凌驾
公共视图getView(int位置、视图转换视图、视图组父视图){
ViewHolder=null;
Log.v(“ConvertView”,String.valueOf(position));
int _intPosition=getItemViewType(位置);
if(convertView==null){
LayoutInflater vi=(LayoutInflater)getSystemService(Context.LAYOUT\u INFLATER\u SERVICE);
convertView=vi.充气(R.layout.listview\u radio\u raw,空);
holder=新的ViewHolder();
holder.code=(TextView)convertView
.findViewById(R.id.textView1);
holder.name=(单选按钮)convertView
.findViewById(R.id.radioButton1);
convertView.setTag(支架);
holder.name.setId(_intPosition);
holder.name.setOnClickListener(新视图.OnClickListener(){
公共void onClick(视图v){
对于(int i=0;i<\u intRadio.length;i++){
如果(i==v.getId()){
_晶内[i]=1;
}否则{
_内部[i]=0;
}
}
notifyDataSetChanged();
}
});
}否则{
holder=(ViewHolder)convertView.getTag();
}
如果(_intRadio[_intPosition]==1){
holder.name.setChecked(true);
}否则{
holder.name.setChecked(假);
}
返回视图;
}
私有类视窗持有者{
文本视图代码;
单选按钮名称;
按钮btn;
}
}
}
listview\u radio\u raw.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="match_parent"
android:orientation="vertical" >
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="60dip"
android:orientation="horizontal" >
<RadioButton
android:id="@+id/radioButton1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:button="@drawable/button_radio"
android:paddingLeft="60dip"
android:text="RadioButton" />
<TextView
android:id="@+id/textView1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="TextView" />
<Button
android:id="@+id/button1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Button" />
</LinearLayout>
</LinearLayout>
按钮\u radio.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="match_parent"
android:orientation="vertical" >
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="60dip"
android:orientation="horizontal" >
<RadioButton
android:id="@+id/radioButton1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:button="@drawable/button_radio"
android:paddingLeft="60dip"
android:text="RadioButton" />
<TextView
android:id="@+id/textView1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="TextView" />
<Button
android:id="@+id/button1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Button" />
</LinearLayout>
</LinearLayout>
//此xml加载项位于可绘制文件夹中
<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
<item android:drawable="@drawable/radio_on" android:state_checked="true" android:state_pressed="false"/>
<item android:drawable="@drawable/radio_off" android:state_checked="false" android:state_pressed="false"/>
<item android:drawable="@drawable/radio_on_pressed" android:state_checked="true" android:state_pressed="true"/>
<item android:drawable="@drawable/radio_off_pressed" android:state_checked="false" android:state_pressed="true"/>
</selector>
为此下载所有图像检查这些解决方案,这是否回答了您的问题?具体来说,这个答案是: