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我需要添加一個複選框到列表視圖。我如何將單選按鈕和複選框添加到使用android的同一個listview?代碼在android中的相同列表視圖中添加複選框和單選按鈕?
我需要添加一個複選框到列表視圖。我如何將單選按鈕和複選框添加到使用android的同一個listview?代碼在android中的相同列表視圖中添加複選框和單選按鈕?
你應該讓自己的列表適配器,這樣的事情:
public class RadioCheckAdapter extends BaseAdapter{
private final RadioCheck[] radiochecks;
RadioCheckAdapter(RadioCheck... radiochecks) {
this.radiochecks = radiochecks;
}
...
@Override
public View getView(int position, View convertView, ViewGroup parent) {
ViewGroup item = getViewGroup(convertView, parent);
RadioCheck radiocheck = radiochecks[position];
CheckBox check = (CheckBox)item.findViewById(R.id.check);
RadioButton radio = (RadioButton)item.findViewById(R.id.radio);
if (radiocheck.type==0)
{
check.setVisibility(View.VISIBLE);
radio.setVisibility(View.INVISIBLE);
check.setText(radiocheck.name);
radio.setText("");
}
else
{
check.setVisibility(View.INVISIBLE);
radio.setVisibility(View.VISIBLE);
check.setText("");
radio.setText(radiocheck.name);
}
return item;
}
public ViewGroup getViewGroup(View reuse, ViewGroup parent) {
if(reuse instanceof ViewGroup) return (ViewGroup)reuse;
Context context = parent.getContext();
LayoutInflater inflater = LayoutInflater.from(context);
ViewGroup item = (ViewGroup)inflater.inflate(
R.layout.radiocheck_item, null);
return item;
}
}
以及佈局是這樣的:
<RelativeLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="horizontal"
android:layout_width="fill_parent"
android:layout_height="fill_parent">
<CheckBox
android:id="@+id/check"
android:textSize="20dp"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
/>
<RadioButton
android:id="@+id/radio"
android:textSize="20dp"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
/>
</RelativeLayout>
而在你的活動:
public class MainActivity extends ListActivity
{
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
setListAdapter(new RadioCheckAdapter(
new RadioCheck("Check 1"),
new RadioCheck("Radio 1", 1),
new RadioCheck("Check 2"),
new RadioCheck("Radio 2", 1),
new RadioCheck("Check 3"),
new RadioCheck("Radio 3"),
new RadioCheck("Check 4", 1),
new RadioCheck("Radio 4")));
}
}
-
class RadioCheck {
final String name;
int type=0; // 0: check, 1: radio
public RadioCheck(String name)
{
this.name= name;
this.type= 0;
}
public RadioCheck(String name, int type)
{
this.name= name;
this.type= type;
}
}
非常感謝你對我的幫助很大。 – thej 2012-03-08 09:51:28
歡迎你的朋友。如果它解決了您的問題,請將解決方案標記爲答案! – Mbt925 2012-03-08 11:27:19