我有一个简单的布局文件,它显示图标和一些文本视图,然后是一个使用一些字符串数据填充的ListView。
我使用ArrayAdapter使用android.R.layout.simple_list_item_multiple_choice填充ListView,但这给了我android的复选框。在这里,我想使用我自己的复选框图像(检查和子弹,如图所示)。
我尝试使用ApiDemos Lists14.java示例中的BaseAdapter示例,但我仍在努力获取图像或文本。
我是否知道如何覆盖getView方法?
我的布局xml是
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="vertical" android:layout_width="fill_parent" android:layout_height="wrap_content">
<LinearLayout android:id="@+id/linearLayout1" android:layout_height="wrap_content" android:orientation="horizontal" android:layout_width="wrap_content">
<LinearLayout android:id="@+id/linearLayout11" android:layout_height="wrap_content" android:paddingRight="70dp" android:paddingTop="40dp" android:orientation="horizontal" android:paddingLeft="10dp" android:layout_width="wrap_content">
<ImageView android:id="@+id/imageView111" android:layout_height="wrap_content" android:src="@drawable/home" android:clickable="true" android:layout_width="wrap_content"/>
</LinearLayout>
<LinearLayout android:id="@+id/linearLayout12" android:layout_height="wrap_content" android:paddingRight="70dp" android:paddingTop="40dp" android:orientation="vertical" android:paddingLeft="70dp" android:layout_width="wrap_content">
<ImageView android:id="@+id/imageView121" android:layout_height="wrap_content" android:src="@drawable/email" android:clickable="true" android:layout_width="wrap_content"></ImageView>
</LinearLayout>
<LinearLayout android:id="@+id/linearLayout13" android:layout_height="wrap_content" android:paddingRight="70dp" android:orientation="vertical" android:paddingLeft="70dp" android:layout_width="wrap_content">
<ImageView android:id="@+id/imageView131" android:layout_height="wrap_content" android:src="@drawable/baby" android:clickable="true" android:layout_width="wrap_content"></ImageView>
</LinearLayout>
<LinearLayout android:id="@+id/linearLayout14" android:layout_height="wrap_content" android:paddingRight="70dp" android:paddingTop="40dp" android:orientation="vertical" android:paddingLeft="60dp" android:layout_width="wrap_content">
<ImageView android:id="@+id/imageView141" android:layout_height="wrap_content" android:src="@drawable/camera" android:clickable="true" android:layout_width="wrap_content"></ImageView>
</LinearLayout>
<LinearLayout android:id="@+id/linearLayout15" android:layout_height="wrap_content" android:paddingRight="10dp" android:paddingTop="40dp" android:orientation="vertical" android:paddingLeft="10dp" android:layout_width="wrap_content">
<ImageView android:id="@+id/imageView151" android:layout_height="wrap_content" android:src="@drawable/settings" android:clickable="true" android:layout_width="wrap_content"></ImageView>
</LinearLayout>
</LinearLayout>
<LinearLayout android:layout_height="wrap_content" android:layout_width="wrap_content" android:id="@+id/linearLayout2">
<LinearLayout android:paddingRight="70dp" android:layout_height="wrap_content" android:layout_width="wrap_content" android:id="@+id/linearLayout21" android:paddingLeft="10dp">
<TextView android:text="In-Hospital" android:id="@+id/textView211" android:layout_height="wrap_content" android:layout_width="wrap_content" android:paddingRight="10dp" android:paddingLeft="60dp" android:textSize="40dp" android:textStyle="bold"></TextView>
</LinearLayout>
<LinearLayout android:paddingRight="70dp" android:layout_height="wrap_content" android:layout_width="wrap_content" android:id="@+id/linearLayout22" android:paddingLeft="10dp">
<TextView android:text="Home" android:id="@+id/textView221" android:layout_height="wrap_content" android:layout_width="wrap_content" android:paddingLeft="120dp" android:textSize="40dp" android:textStyle="bold"></TextView>
</LinearLayout>
<LinearLayout android:paddingRight="70dp" android:layout_height="wrap_content" android:layout_width="wrap_content" android:id="@+id/linearLayout23" android:paddingLeft="10dp">
<TextView android:text="Nurse" android:id="@+id/textView231" android:layout_height="wrap_content" android:layout_width="wrap_content" android:paddingLeft="180dp" android:textSize="40dp" android:textStyle="bold"></TextView>
</LinearLayout>
</LinearLayout>
<LinearLayout android:orientation="horizontal" android:layout_width="match_parent" android:layout_height="wrap_content" android:splitMotionEvents="true">
<ListView android:id="@+id/list1" android:layout_width="0dip" android:layout_height="match_parent" android:layout_weight="1" />
<ListView android:id="@+id/list2" android:layout_width="0dip" android:layout_height="match_parent" android:layout_weight="1" />
<ListView android:id="@+id/list3" android:layout_width="0dip" android:layout_height="match_parent" android:layout_weight="1" />
</LinearLayout>
</LinearLayout>
我的代码是
package com.example;
import android.app.Activity;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ArrayAdapter;
import android.widget.ImageView;
import android.widget.ListAdapter;
import android.widget.ListView;
import android.widget.Toast;
public class Main extends Activity {
ImageView home_icon, mail_icon, baby_icon, camera_icon, settings_icon;
ListView list1, list2, list3;
LayoutInflater inflater;
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
home_icon = (ImageView) findViewById(R.id.imageView111);
mail_icon = (ImageView) findViewById(R.id.imageView121);
baby_icon = (ImageView) findViewById(R.id.imageView131);
camera_icon = (ImageView) findViewById(R.id.imageView141);
settings_icon = (ImageView) findViewById(R.id.imageView151);
home_icon.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View arg0) {
// TODO Auto-generated method stub
System.out.println("Clicked here");
}
});
mail_icon.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View arg0) {
// TODO Auto-generated method stub
System.out.println("Clicked here");
}
});
baby_icon.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View arg0) {
// TODO Auto-generated method stub
System.out.println("Clicked here");
}
});
camera_icon.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View arg0) {
// TODO Auto-generated method stub
System.out.println("Clicked here"+arg0.isClickable());
}
});
settings_icon.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View arg0) {
// TODO Auto-generated method stub
System.out.println("Clicked here");
}
});
list1 = (ListView) findViewById(R.id.list1);
list2 = (ListView) findViewById(R.id.list2);
list3 = (ListView) findViewById(R.id.list3);
ListAdapter adapter = new ArrayAdapter<String>(this, android.R.layout.simple_list_item_multiple_choice, sCheeseStrings2);
list1.setAdapter(adapter);
list1.setOnItemClickListener(itemClickListener);
list1.setChoiceMode(ListView.CHOICE_MODE_MULTIPLE_MODAL);
ListAdapter adapter1 = new ArrayAdapter<String>(this, android.R.layout.simple_list_item_multiple_choice, sCheeseStrings1);
list2.setAdapter(adapter1);
list2.setOnItemClickListener(itemClickListener);
list2.setChoiceMode(ListView.CHOICE_MODE_MULTIPLE_MODAL);
ListAdapter adapter2 = new ArrayAdapter<String>(this, android.R.layout.simple_list_item_multiple_choice, sCheeseStrings);
list3.setAdapter(adapter2);
list3.setOnItemClickListener(itemClickListener);
list1.setChoiceMode(ListView.CHOICE_MODE_MULTIPLE_MODAL);
list1.setItemsCanFocus(false);
}
private int responseIndex = 0;
private final OnItemClickListener itemClickListener = new OnItemClickListener() {
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
String[] responses = sCheeseStrings;
String response = responses[responseIndex++ % responses.length];
String message = getResources().getString(R.string.split_touch_view_cheese_toast,
Cheeses.sCheeseStrings[position], response);
Toast toast = Toast.makeText(getApplicationContext(), message, Toast.LENGTH_SHORT);
toast.show();
}
};
static final String[] sCheeseStrings = {"Hushallsost", "Iberico", "Idaho Goatster",
"Idiazabal", "Il Boschetto al Tartufo", "Ile d'Yeu", "Isle of Mull", "Jarlsberg",
"Jermi Tortes", "Jibneh Arabieh", "Jindi Brie", "Jubilee Blue", "Juustoleipa",
"Kadchgall", "Kaseri", "Kashta", "Kefalotyri"
};
static final String[] sCheeseStrings1 = {"Cabecou", "Caboc", "Cabrales", "Cachaille", "Caciocavallo", "Caciotta",
"Caerphilly", "Cairnsmore", "Calenzana", "Cambazola", "Camembert de Normandie",
"Canadian Cheddar", "Canestrato", "Cantal", "Caprice des Dieux", "Capricorn Goat",
"Capriole Banon", "Carre de l'Est", "Casciotta di Urbino", "Cashel Blue", "Castellano"
};
static final String[] sCheeseStrings2 = {"Abbaye de Belloc", "Abbaye du Mont des Cats", "Abertam", "Abondance", "Ackawi",
"Acorn", "Adelost", "Affidelice au Chablis", "Afuega'l Pitu", "Airag", "Airedale",
"Aisy Cendre", "Allgauer Emmentaler", "Alverca", "Ambert", "American Cheese",
"Ami du Chambertin", "Anejo Enchilado", "Anneau du Vic-Bilh", "Anthoriro", "Appenzell"
};
}
感谢您的帮助。谢谢。
答案 0 :(得分:2)
创建自定义适配器并使用以下代码..
main.xml中
<TextView android:background="@drawable/header_textbg" android:textSize="15sp" android:paddingTop="2dip"
android:paddingLeft="12dip" android:textColor="@color/white" android:id="@+id/list_label"
android:layout_width="fill_parent" android:layout_height="30dip" android:layout_marginTop="5dip"
android:text="Credit Cards" style="?android:attr/listSeparatorTextViewStyle" />
<ListView android:id="@+id/usercards" android:listSelector="@drawable/list1"
android:cacheColorHint="#00000000" android:layout_width="fill_parent"
android:layout_height="fill_parent" />
list.xml
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="wrap_content">
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical" android:layout_width="fill_parent"
android:layout_height="fill_parent" android:layout_marginLeft="10dip" android:id="@+id/lay_txt">
<TextView android:id="@+id/credit_card_listtext" android:textSize="15sp"
android:textColor="@color/black"
android:layout_width="wrap_content" android:layout_height="20dip"
android:ellipsize="end" android:layout_marginTop="15dip" android:text="Card No" />
<RadioButton android:id="@+id/select_card" android:layout_width="wrap_content"
android:layout_height="wrap_content" android:layout_alignParentRight="true"
android:focusable="false"/>
</RelativeLayout>
YourActivity.java
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
requestWindowFeature(Window.FEATURE_CUSTOM_TITLE);
setContentView(R.layout.main);
credit_card_list = (ListView) findViewById(R.id.usercards);
//Create a custom Adapter here and set adapter here..
}
您的自定义适配器的getView应该是这样的
public View getView(final int position, View convertView, ViewGroup arg2) {
if (convertView == null) {
convertView = mInflater.inflate(R.layout.list,
null);
holder = new ViewHolder();
holder.text = (TextView) convertView
.findViewById(R.id.credit_card_listtext);
holder.rb = (RadioButton) convertView
.findViewById(R.id.select_card);
convertView.setTag(holder);
} else {
holder.text = (TextView) convertView
.findViewById(R.id.credit_card_listtext);
holder.rb = (RadioButton) convertView
.findViewById(R.id.select_card);
}
holder.text.setText("Array[position]");
// this is for selecting only one value from all list in Radio button
holder.rb.setOnCheckedChangeListener(new OnCheckedChangeListener() {
@Override
public void onCheckedChanged(CompoundButton buttonView,
boolean isChecked) {
// TODO Auto-generated method stub
holder.rb.clearAnimation();
}
});
credit_card_list
.setOnItemClickListener(new AdapterView.OnItemClickListener() {
public void onItemClick(AdapterView<?> list, View v,
int pos, long id) {
//for list click
//some code
}
});
return convertView;
}
它包括一个textview和一个你想要的单选按钮..