我正在创建一个自定义ArrayAdapter来显示一个任务数组(大约12个),并带有自定义xml视图。适配器从活动传递字符串,即标题,主题,日期和URL。 我的问题是,无论如何都要生成一个onItemClickListener或任何类型的监听器,如下所示'holder.item1',以便在webview中打开字符串'URL',而也传递http标头?
我的班级(TaskAdapter.java):
import java.util.ArrayList;
import android.app.Activity;
import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.TextView;
public class TaskAdapter extends ArrayAdapter<Custom>{
private ArrayList<Custom> entries;
private Activity activity;
public TaskAdapter(Activity a, int textViewResourceId, ArrayList<Custom> entries) {
super(a, textViewResourceId, entries);
this.entries = entries;
this.activity = a;
}
public static class ViewHolder{
public TextView item1;
public TextView item2;
public TextView item3;
public TextView item4;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
View v = convertView;
ViewHolder holder;
if (v == null) {
LayoutInflater vi =
(LayoutInflater)activity.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
v = vi.inflate(R.layout.activity_tasks_adapter, null);
holder = new ViewHolder();
holder.item1 = (TextView) v.findViewById(R.id.taskLeft);
holder.item4 = (TextView) v.findViewById(R.id.textLink);
v.setTag(holder);
}
else
holder=(ViewHolder)v.getTag();
final Custom custom = entries.get(position);
if (custom != null) {
holder.item1.setText(custom.getAssignment());
holder.item4.setText(custom.itemLink());
}
return v;
}
}
我的XML(activity_task_adapter.xml):
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:orientation="vertical"
android:layout_height="fill_parent" >
<TextView
android:id="@+id/taskLeft"
android:layout_width="fill_parent"
android:layout_height="55dp"
android:gravity="center_vertical"
android:text="Left"
android:paddingLeft="20dp"
android:background="#eedbde"
android:textColor="#333333"
android:autoLink="web"
android:textSize="20sp" >
</TextView>
<TextView
android:id="@+id/textLink"
android:layout_width="fill_parent"
android:layout_height="55dp"
android:gravity="center_vertical"
android:clickable="true"
android:text="Left"
android:paddingLeft="20dp"
android:background="#eedbde"
android:textColor="#333333"
android:textSize="20sp" >
</TextView>
</LinearLayout>
我已经尝试在item1上使用setOnClickListener但是没有用,而且我在SO上找到的与此类似的唯一内容如下:
ArrayAdapter custom with AutocompleteTextView and onclicklistener