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<?xml version="1.0" encoding="utf-8"?>
<LinearLayout android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="match_parent"
xmlns:android="http://schemas.android.com/apk/res/android">
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/info"
android:id="@+id/info"
android:textSize="15dp"
android:layout_marginTop="20dp" />
<ListView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:id="@+id/datalist"
android:fastScrollAlwaysVisible="false"
android:layout_marginTop="20dp" />
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="New Button"
android:id="@+id/button1" />
</LinearLayout>
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout android:layout_height="match_parent"
android:layout_width="match_parent"
android:orientation="horizontal"
xmlns:android="http://schemas.android.com/apk/res/android">
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content">
<ImageView android:layout_height="wrap_content"
android:layout_width="wrap_content"
android:maxHeight="72px"
android:maxWidth="72px"
android:adjustViewBounds="true"
android:paddingBottom="20px"
android:paddingTop="20px"
android:paddingRight="10px"
android:id="@+id/image"
android:layout_marginLeft="20dp" />
<TextView android:layout_height="wrap_content"
android:layout_width="wrap_content"
android:id="@+id/title"
android:layout_gravity="center"
android:padding="10px"/>
</LinearLayout>
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:gravity="right">
<CheckBox
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text=""
android:scaleX="1.5"
android:scaleY="1.5"
android:checked="false"
android:focusable="false"
android:clickable="false"
android:focusableInTouchMode="false"
android:id="@+id/ckb"
android:layout_marginTop="20dp"
android:layout_marginRight="20dp" />
</LinearLayout>
</LinearLayout>
package tw.a05.com.flag.ch06_listviewImageCheck;
import android.content.Context;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.Button;
import android.widget.CheckBox;
import android.widget.ListView;
import android.widget.SimpleAdapter;
import android.widget.TextView;
import android.widget.Toast;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
public class MainActivity extends AppCompatActivity {
// 1. 新建一个数据适配器
private List<Map<String, Object>> listItems = new ArrayList<Map<String, Object>>();
private ListView listview = null;
private SimpleAdapter adapter = null;
private TextView info = null;
private CheckBox ckb = null;
private boolean checked;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
listview = (ListView) findViewById(R.id.datalist);
info = (TextView) findViewById(R.id.info);
ckb = (CheckBox) findViewById(R.id.ckb);
int[] imageId = new int[]{R.drawable.img01, R.drawable.img02,
R.drawable.img03, R.drawable.img04, R.drawable.img05,
R.drawable.img06, R.drawable.img07, R.drawable.img08}; // 定义并初始化保存图片id的数组
String[] title = new String[]{"保密设置", "安全", "系统设置", "上网", "我的文档",
"GPS导航", "我的音乐", "E-mail"}; // 定义并初始化保存列表项文字的数组
boolean[] checked = {false, false, false, false, false, false, false, false,};
for (int i = 0; i < imageId.length; i++) {
Map<String, Object> map = new HashMap<>(); // 实例化Map对象
map.put("image", imageId[i]);
map.put("title", title[i]);
map.put("ckb", checked[i]);
listItems.add(map); // 将map对象添加到List集合中
}
adapter = new MySimpleAdapter(this, listItems, R.layout.fruit_item, new String[]{"image", "title", "ckb"},
new int[]{R.id.image,R.id.title, R.id.ckb});
listview.setAdapter(adapter);
listview.setOnItemClickListener((AdapterView.OnItemClickListener) this);
//这里要设置CKB的监听
ckb.setOnCheckedChangeListener(new OnCheckedChangeListenermpl());
}
//点击标题相应事件
private class OnItemClickListenerImpl implements AdapterView.OnItemClickListener {
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
Map<String, Object> map = (Map<String, Object>) adapter.getItem(position);
String _id = map.get("image").toString();
String name = map.get("title").toString();
info.setText("你选择的是:" + name);
}
}
// 写一个能监听checkBox勾选事件的SimpleAdapter,如果不是checkBox而是button.onClick事件也是类似的
private class MySimpleAdapter extends SimpleAdapter
{
MainActivity context;
public MySimpleAdapter(Context context, List<? extends Map<String, ?>> data, int resource, String[] from, int[] to) {
super(context, data, resource, from, to);
this.context = (MainActivity) context;
// TODO Auto-generated constructor stub
}
public View getView(int position, View convertView, ViewGroup parent) {
// TODO Auto-generated method stub
View v = super.getView(position, convertView, parent);
Button btn=(Button) v.findViewById(R.id.button1);
//final CheckBox check = (CheckBox)v.findViewById(R.id.ckb);
final int p = position;
Log.d("Position", Integer.toString(position));
//复选框的响应
ckb.setOnClickListener(new OnClickListener(){
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
String s = (p+":"+ckb.isChecked());
Toast.makeText(context, s, Toast.LENGTH_LONG).show();
if(ckb.isChecked()){
context.setChecked(p, true);
}else if(!ckb.isChecked()){
context.setChecked(p, false);
}
}
});
btn.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
Toast.makeText(context, "删除"+Integer.toString(p),Toast.LENGTH_LONG).show();
//context.deleteItemsTodayPlanList(p);
}
});
return v;
}
}
public void setChecked(int position,boolean m){
//Map<String,Object> map = today_plan_listItems.get(position);
Map<String, Object> map = (Map<String, Object>) adapter.getItem(position);
map.put("ckb", m);
listItems.set(position, map);
listview.invalidate();
}
}