我有一个带有切换按钮和列表视图的布局。切换按钮位于listview.Listview
包含文本和复选框之外。getView()
单击android中的切换按钮时,如何检查和取消选中我的CustomAdapter类中的复选框。
主要的.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:background="#FFFFFF" >
<LinearLayout
android:id="@+id/linlay"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="vertical"
android:layout_marginLeft="10dp"
android:layout_marginRight="10dp">
<LinearLayout
android:id="@+id/linlay1"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:background="#ffffff"
android:orientation="vertical">
<TextView
android:id="@+id/textView2"
android:layout_width="fill_parent"
android:layout_height="1dp"
android:background="@drawable/border_set" />
</LinearLayout>
<LinearLayout
android:id="@+id/linlay2"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_below="@id/Linlay1"
android:background="#ffffff"
android:gravity="center_vertical"
>
<TextView
android:id="@+id/textView1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:gravity="left"
android:text="Notifications"
android:textColor="#000000"
android:textSize="18sp"
android:textStyle="bold" />
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:gravity="right" >
<ToggleButton
android:id="@+id/toggleButton"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_margin="10dp"
android:checked="true"
android:text="ToggleButton" />
</LinearLayout>
</LinearLayout>
<LinearLayout
android:id="@+id/linlay3"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_below="@id/Linlay2"
android:background="#ffffff"
android:orientation="vertical" >
<TextView
android:layout_width="fill_parent"
android:layout_height="2dp"
android:background="@drawable/border_set" />
<TextView
android:id="@+id/textView1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:gravity="left"
android:text="Please choose your area of intrest"
android:textSize="16sp"
android:textColor="#000000"/>
</LinearLayout>
<LinearLayout
android:id="@+id/linlay4"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:layout_below="@id/linlay3"
android:orientation="vertical"
android:background="@drawable/border_set">
<ListView
android:id="@+id/listView1"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_weight="1"
android:cacheColorHint="#00000000"
android:listSelector="@android:color/transparent" />
</LinearLayout>
</LinearLayout>
</RelativeLayout>
list_row.xml
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:id="@+id/RLfirst"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:background="#ffffff"
android:paddingBottom="3dp"
android:paddingTop="3dp" >
<RelativeLayout
android:id="@+id/RLthird"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginRight="20dp"
android:paddingBottom="5dp" >
<TextView
android:id="@+id/tv_title"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginBottom="5dp"
android:layout_marginLeft="5dp"
android:layout_marginTop="5dp"
android:text="title"
android:textColor="#0000ff"
android:textSize="15sp"/>
</RelativeLayout>
<RelativeLayout
android:id="@+id/RLsecond"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentRight="true"
android:layout_centerVertical="true"
android:layout_marginLeft="10dp"
android:layout_marginRight="10dp" >
<ImageView
android:id="@+id/RightArrowimg"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="7dp"
android:scaleType="fitXY"
android:visibility="invisible"
android:layout_alignParentRight="true"
android:src="@drawable/red_arrow_small" />
<CheckBox
android:id="@+id/chk"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentRight="true"
android:visibility="visible"
android:layout_alignParentTop="true"
android:scaleX=".60"
android:scaleY=".60"
android:layout_below="@id/RightArrowimg"
android:enabled="true"/>
</RelativeLayout>
</RelativeLayout>
Test.class
public class Test extends Activity{
ListView listView1;
ToggleButton toggleButton;
Boolean flag=true;
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
try {
listView1 = (ListView) findViewById(R.id.listView1);
toggleButton=(ToggleButton)findViewById(R.id.toggleButton);
toggleButton.setOnCheckedChangeListener(new OnCheckedChangeListener() {
@Override
public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
// TODO Auto-generated method stub
if (isChecked) {
flag=true;
} else {
flag=false;
}
}
});
ArrayList<String> arr=new ArrayList<String>();
arr.add("a");
arr.add("b");
MyAdapter madap = new MyAdapter(Test.this,arr);
listView1.setAdapter(madap);
} catch (Exception e) {
e.printStackTrace();
}
}
public class MyAdapter extends BaseAdapter {
private LayoutInflater mInflater;
private Context cont;
int layout_xml;
ArrayList<String> arr;
public MyAdapter(Context context, ArrayList<String> arr) {
this.cont = context;
this.arr = arr;
mInflater = LayoutInflater.from(context);
}
public View getView(final int position, View convertView,ViewGroup parent) {
try {
if (convertView == null) {
layout_xml = R.layout.list_row;
convertView = mInflater.inflate(layout_xml, null);
}
TextView tvtitle = (TextView) convertView.findViewById(R.id.tv_title);
ImageView RightArrowimg=(ImageView)convertView.findViewById(R.id.RightArrowimg);
final CheckBox chk=(CheckBox)convertView.findViewById(R.id.chk);
chk.setOnCheckedChangeListener(new OnCheckedChangeListener() {
@Override
public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
if(flag){
chk.setEnabled(true);
chk.setClickable(true);
}else{
chk.setEnabled(false);
chk.setClickable(false);
chk.setChecked(false);
}
}
});
} catch (Exception e) {
e.printStackTrace();
}
return convertView;
}
@Override
public long getItemId(int position) {
return 0;
}
@Override
public int getCount() {
return arr.size();
}
@Override
public Object getItem(int position) {
// return position;
return null;
}
}
}