if (!validateEmail(email) || (TextUtils.isEmpty(email))) {
emailwrapper.setError("Invalid email");
} else {
emailwrapper.setError(null);
}
if (password.length() < 6 || (TextUtils.isEmpty(password))) {
passwordwrapper.setError("Password must have at least 6 characters");
return;
} else {
passwordwrapper.setError(null);
}
startActivity(new Intent(SignupActivity.this, MoreInfo.class));
如果将两个文本输入布局留空,并且确保用户无法使用正确填写的密码继续使用MoreInfo类,我将如何设置它以便显示两条错误消息?
创建一个函数,它返回一个布尔值,并根据该值继续进行:
private boolean areAllFieldsValid() {
boolean returnValue = true;
if (!validateEmail(email) || (TextUtils.isEmpty(email))) {
emailwrapper.setError("Invalid email");
returnValue = false;
} else {
emailwrapper.setError(null);
}
if (password.length() < 6 || (TextUtils.isEmpty(password))) {
passwordwrapper.setError("Password must have at least 6 characters");
returnValue = false;
} else {
passwordwrapper.setError(null);
}
return returnValue;
}
现在使用以下方法检查此条
if(areAllFieldsValid()){
startActivity(new Intent(SignupActivity.this, MoreInfo.class));
}
使用基于验证条件的布尔变量然后导航。试试以下样本
boolean valid = true;
if (!validateEmail(email) || (TextUtils.isEmpty(email))) {
valid = false;
emailwrapper.setError("Invalid email");
} else {
valid = true;
emailwrapper.setError(null);
}
if (password.length() < 6 || (TextUtils.isEmpty(password))) {
valid = false;
passwordwrapper.setError("Password must have at least 6 characters");
} else {
valid = true;
passwordwrapper.setError(null);
}
if(valid)
startActivity(new Intent(SignupActivity.this, MoreInfo.class));
创建方法布尔值以检查
if(isValid()){
startActivity(new Intent(SignupActivity.this, MoreInfo.class));
}
布尔方法
private boolean isValid() {
if (!validateEmail(email) || (TextUtils.isEmpty(email))) {
emailwrapper.setError("Invalid email");
return false;
} else {
emailwrapper.setError(null);
emailwapper.setErrorEnabled(false);
}
if (password.length() < 6 || (TextUtils.isEmpty(password))) {
passwordwrapper.setError("Password must have at least 6 characters");
return false;
} else {
passwordwrapper.setError(null);
passwordwapper.setErrorEnabled(false);
}
retun true;
}