public boolean isNum(String str) {
for (int i = 0; i < checkedPersons.size(); i++) {
String phone = checkedPersons.get(i).phone;
if (!PublicMethod.isphonenum(phone)) {
Toast.makeText(this, "您输入的手机号" + phone + "是错误的，请重新输入！", Toast.LENGTH_SHORT).show();
return false;
}
}
return true;
}
