public void PickFolder()
{
try
{
FilePickerFragment filePickerFragment = new FilePickerFragment(null, null, FilePickerMode.Directory);
filePickerFragment.FileSelected += (sender, path) =>
{
filePickerFragment.Dismiss();
SavaSetting("DownPath", path);
if (UpdatePath != null)
{
UpdatePath(this, null);
}
};
var activity = (Activity)Forms.Context;
FragmentTransaction transaction = activity.FragmentManager.BeginTransaction();
filePickerFragment.Cancel += sender => filePickerFragment.Dismiss();
filePickerFragment.Show(transaction, "FilePicker");
}
catch (Exception ex)
{
Toast.MakeText(Forms.Context, "无法打开目录选择器！\r\n" + ex.Message, ToastLength.Long);
}
}
protected override void OnCreate(Bundle bundle)
{
base.OnCreate(bundle);
// Set our view from the "main" layout resource
SetContentView(Resource.Layout.Main);
// Get our button from the layout resource,
// and attach an event to it
var buttonDirectoryActivity = FindViewById <Button>(Resource.Id.btnDirectoryActivity);
var buttonFileActivity = FindViewById <Button>(Resource.Id.btnFileActivity);
var buttonDirectoryDialog = FindViewById <Button>(Resource.Id.btnDirectoryDialog);
var buttonFileDialog = FindViewById <Button>(Resource.Id.btnFileDialog);
buttonDirectoryActivity.Click += delegate
{
var intent = new Intent(this, typeof(FilePickerActivity));
intent.PutExtra(FilePickerActivity.ExtraNewDirName, "NewFolder");
intent.PutExtra(FilePickerActivity.ExtraInitialDirectory, SelectedDirectory);
intent.PutExtra(FilePickerActivity.ExtraMode, (int)FilePickerMode.Directory);
StartActivityForResult(intent, FilePickerActivity.ResultCodeDirSelected);
};
buttonFileActivity.Click += delegate
{
var intent = new Intent(this, typeof(FilePickerActivity));
StartActivityForResult(intent, FilePickerActivity.ResultCodeDirSelected);
};
buttonDirectoryDialog.Click += delegate
{
filePickerFragment = new FilePickerFragment(null, null, FilePickerMode.Directory);
filePickerFragment.FileSelected += (sender, path) =>
{
filePickerFragment.Dismiss();
UpdateSelectedText(path);
};
filePickerFragment.Cancel += sender => filePickerFragment.Dismiss();
filePickerFragment.Show(FragmentManager, "FilePicker");
};
buttonFileDialog.Click += delegate
{
filePickerFragment = new FilePickerFragment();
filePickerFragment.FileSelected += (sender, path) =>
{
filePickerFragment.Dismiss();
UpdateSelectedText(path);
};
filePickerFragment.Cancel += sender => filePickerFragment.Dismiss();
filePickerFragment.Show(FragmentManager, "FilePicker");
};
}