这是我下面的代码,它在网格视图中使用了简单的适配器。一切都很好,但我想在我的代码中添加复选框,我该怎么办?我如何在我的简单适配器中添加复选框?我的代码检查文件是否是目录显示图标其他明智的显示图像。我只想添加复选框,以便用户选择复选框并删除复选框选择多个图像
SimpleAdapter simpleAdapter;
GridView gridView;
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
File photos = new File(getFilesDir(),"photos");
photos.mkdirs();
File root1 = new File("/data/data/com.myexample.folder/files/");
currentParent = root1;
currentFiles = root1.listFiles();
currentFilePath = new String[currentFiles.length];
int count = 0;
for(File f:currentFiles)
{
currentFilePath[count] = f.getAbsolutePath();
count++;
}
gridView =(GridView)findViewById(R.id.grid);
gridView.setOnItemClickListener(new OnItemClickListener(){
public void onItemClick(AdapterView<?> parent, View view, int
position,long id) {
if(currentFiles[position].isDirectory())
{
root = new File("/data/data/com.myexample.folder
/files/"+FileName(currentFilePath[position])+"/");
Log.e("Root first",root+ " ");
currentFiles = root.listFiles();
inflateListView(currentFiles);
}
else if(currentFiles[position].isFile())
{
inflateListView(currentFiles);
}
private void inflateListView(File[] files){
List<Map<String,Object>> listItems = new ArrayList<Map<String,Object>>();
for(int i=0;i<files.length;i++)
{
Map<String, Object> listItem = new HashMap<String, Object>();
if(files[i].isDirectory())
{
listItem.put("icon", R.drawable.folder);
}
else
{
listItem.put("icon", R.drawable.file);
}
listItem.put("fileName", files[i].getName());
listItems.add(listItem);
}
simpleAdapter=new SimpleAdapter(this,listItems,R.layout.line,new String[]
{"icon","fileName"},new int[]{R.id.icon,R.id.file_name});
gridView.setAdapter(simpleAdapter);