Android--单选对话框

import android.app.AlertDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.text.TextUtils;
import android.widget.TextView;

/**
 * 单选对话框
 * 
 * @author Administrator
 * 
 */
public class DialogSelector {
    /**
     * 单选对话框
     * 
     * @param context
     * @param sTitle
     * @param choices
     * @param tv
     */
    public static void showSelectDlg(Context context, String sTitle,
            final String[] choices, final TextView tv) {
        final AlertDialog.Builder builder = new AlertDialog.Builder(context);
        if (sTitle != null) {
            builder.setTitle(sTitle);
        }
        builder.setSingleChoiceItems(choices, 0,
                new DialogInterface.OnClickListener() {
                    public void onClick(DialogInterface dialog, int which) {
                        dialog.dismiss();
                        if (tv != null)
                            tv.setText(choices[which]);
                    }
                });
        builder.create().show();
    }

    /**
     * 单选对话框
     * 
     * @param context
     * @param sTitle
     * @param choices
     * @param tv
     */
    public static void showSelectDlg(Context context, String sTitle,
            final String[] choices,
            final OnItemSelectListener onItemSelectListener) {
        final AlertDialog.Builder builder = new AlertDialog.Builder(context);
        if (!TextUtils.isEmpty(sTitle)) {
            builder.setTitle(sTitle);
        }
        builder.setSingleChoiceItems(choices, 0,
                new DialogInterface.OnClickListener() {
                    public void onClick(DialogInterface dialog, int which) {
                        dialog.dismiss();
                        if (onItemSelectListener != null) {
                            onItemSelectListener.onItemSelected(which);
                        }
                    }
                });
        builder.create().show();
    }

    public interface OnItemSelectListener {
        public void onItemSelected(int position);
    }
}