在更新的ListView行对应于数据库行一个CheckBox应于、数据库、ListView、CheckBox
我已经设置机器人：可调焦=我在我的自定义布局复选框假。我的后端SQLite数据库取决于该复选框是否被选中。在我的的ListView 每一行对应一行在我的数据库。所以我的问题是，我应该提上OnClickListener的复选框，以便我可以更新与的ListView 行相关的物品？我需要将它放置在那里我有机会获得一个ID。也许 onListItemClick ？
更新： 在这里，我的自定义适配器：
包com.mohit.geo2do.adapters;
进口java.text.SimpleDateFormat的;
进口的java.util.Calendar;
进口android.content.Context;
进口android.database.Cursor;
进口android.view.LayoutInflater;
进口android.view.View;
进口android.view.ViewGroup;
进口android.widget.CheckBox;
进口android.widget.CursorAdapter;
进口android.widget.Filterable;
进口android.widget.TextView;
进口com.mohit.geo2do.R;
进口com.mohit.geo2do.provider.Task.Tasks;
进口com.mohit.geo2do.utils.Util;
公共类TasksAdapter扩展的CursorAdapter {
私人最终上下文的背景下;
公共TasksAdapter（上下文的背景下，光标C）{
超（背景下，C）;
this.context =背景;
}
@覆盖
公共查看NewView的（上下文的背景下，光标光标的ViewGroup父）{
//充气视图
LayoutInflater充气= LayoutInflater.from（上下文）;
视图V = inflater.inflate（R.layout.row_item，父母，假）;
返回伏;
}
@覆盖
公共无效bindView（查看视图，上下文的背景下，光标光标）{
复选框复选框=（复选框）view.findViewById（R.id.completed）;
TextView的DUE_DATE =（TextView中）view.findViewById（R.id.due_date）;
字符串标题= cursor.getString（cursor.getColumnIndex（Tasks.TITLE））;
布尔完成= Util.intToBool（cursor.getInt（cursor.getColumnIndex（Tasks.COMPLETED）））;
SimpleDateFormat的格式=新的SimpleDateFormat（EEEEEE，MMM DD YYYY HH：MM AA）;
长unixTime = cursor.getLong（cursor.getColumnIndex（Tasks.DUE_DATE））;
日历由于= Util.timestampToDate（unixTime）;
due_date.setText（format.format（due.getTime（）））;
checkbox.setText（职称）;
checkbox.setChecked（已完成）;
}
}
解决方案
当我做了类似的事情，我创建了一个SimpleCursorAdapter创造了ViewBinder吧。
在setViewValue（）为viewbinder，如果视图是一个instanceof复选框，然后添加一个setOnCheckedChangeListener该更新后端数据库的复选框。如果您需要更多的信息，让我知道。
也许，如果你告诉我你是怎么构建的SimpleCursorAdapter，那么我可以告诉你如何一点走得更远。
公共无效bindView（查看视图，上下文的背景下，光标光标）{
复选框复选框=（复选框）view.findViewById（R.id.completed）;
TextView的DUE_DATE =（TextView中）view.findViewById（R.id.due_date）;
字符串标题= cursor.getString（cursor.getColumnIndex（Tasks.TITLE））;
布尔完成= Util.intToBool（cursor.getInt（cursor.getColumnIndex（Tasks.COMPLETED）））;
SimpleDateFormat的格式=新的SimpleDateFormat（EEEEEE，MMM DD YYYY HH：MM AA）;
长unixTime = cursor.getLong（cursor.getColumnIndex（Tasks.DUE_DATE））;
日历由于= Util.timestampToDate（unixTime）;
due_date.setText（format.format（due.getTime（）））;
checkbox.setText（职称）;
checkbox.setChecked（已完成）;
//编辑在这里..
checkbox.setOnCheckedChangeListener（
新CompoundButton.OnCheckedChangeListener（）{
公共无效onCheckedChanged（CompoundButton buttonView，布尔器isChecked）{
//在DB更新你的价值
}）;
}
I already set android:focusable="false" on my CheckBox in my custom layout. My back-end SQLite database depends on whether or not the CheckBox is checked or not. Each row in my ListView corresponds to a row in my database. So my question is, where should I put on OnClickListener for the CheckBox so I can update the item associated with that ListView row? I would need it to be placed where I have access to an id. Maybe onListItemClick?
UPDATE: Here my custom adapter:
package com.mohit.geo2do.adapters;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import android.content.Context;
import android.database.Cursor;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.CheckBox;
import android.widget.CursorAdapter;
import android.widget.Filterable;
import android.widget.TextView;
import com.mohit.geo2do.R;
import com.mohit.geo2do.provider.Task.Tasks;
import com.mohit.geo2do.utils.Util;
public class TasksAdapter extends CursorAdapter {
private final Context context;
public TasksAdapter(Context context, Cursor c) {
super(context, c);
this.context = context;
}
@Override
public View newView(Context context, Cursor cursor, ViewGroup parent) {
//Inflate the view
LayoutInflater inflater = LayoutInflater.from(context);
View v = inflater.inflate(R.layout.row_item, parent, false);
return v;
}
@Override
public void bindView(View view, Context context, Cursor cursor) {
CheckBox checkbox = (CheckBox)view.findViewById(R.id.completed);
TextView due_date = (TextView)view.findViewById(R.id.due_date);
String title = cursor.getString(cursor.getColumnIndex(Tasks.TITLE));
boolean completed = Util.intToBool(cursor.getInt(cursor.getColumnIndex(Tasks.COMPLETED)));
SimpleDateFormat format = new SimpleDateFormat("EEEEEE, MMM dd yyyy hh:mm aa");
long unixTime = cursor.getLong(cursor.getColumnIndex(Tasks.DUE_DATE));
Calendar due = Util.timestampToDate(unixTime);
due_date.setText(format.format(due.getTime()));
checkbox.setText(title);
checkbox.setChecked(completed);
}
}
解决方案
When I did something similar, I created a SimpleCursorAdapter and created a ViewBinder for it.
In the setViewValue() for the viewbinder, if the view is an instanceof Checkbox, then add a setOnCheckedChangeListener for the checkbox that updates the backend db. If you need more information, let me know.
Maybe if you show me how you constructed the SimpleCursorAdapter, then I can show you how to go a bit further.
public void bindView(View view, Context context, Cursor cursor) {
CheckBox checkbox = (CheckBox)view.findViewById(R.id.completed);
TextView due_date = (TextView)view.findViewById(R.id.due_date);
String title = cursor.getString(cursor.getColumnIndex(Tasks.TITLE));
boolean completed = Util.intToBool(cursor.getInt(cursor.getColumnIndex(Tasks.COMPLETED)));
SimpleDateFormat format = new SimpleDateFormat("EEEEEE, MMM dd yyyy hh:mm aa");
long unixTime = cursor.getLong(cursor.getColumnIndex(Tasks.DUE_DATE));
Calendar due = Util.timestampToDate(unixTime);
due_date.setText(format.format(due.getTime()));
checkbox.setText(title);
checkbox.setChecked(completed);
// edit here ..
checkbox.setOnCheckedChangeListener(
new CompoundButton.OnCheckedChangeListener() {
public void onCheckedChanged(CompoundButton buttonView,boolean isChecked) {
// update your value in the db
});
}
