public static Context mContext=null;
public static final String allChar="0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
@Override
public void onCreate() {
// TODO Auto-generated method stub
super.onCreate();
mContext=getApplicationContext();
}
在使用数据库的context时,是否会存在泄漏?