Android之表单验证,Validation三方集成。
android中判断控件是否为空的地方非常之多,比如登录注册,只要是需要填写东西的地方基本上都需要判空。
难度不大,但是代码相对冗杂,如果集成框架的话就相对简单多了。
1.添加依赖
compile 'com.mobsandgeeks:android-saripaar:2.0.3'
2.布局
-
<?xml version="1.0" encoding="utf-8"?>
-
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-
android:id="@+id/activity_main"
-
android:layout_width="match_parent"
-
android:layout_height="match_parent"
-
android:orientation="vertical"
-
android:padding="10dp">
-
-
<EditText
-
android:id="@+id/et1"
-
android:layout_width="match_parent"
-
android:layout_height="wrap_content"
-
android:hint="请输入姓名" />
-
-
......
-
-
<EditText
-
android:id="@+id/et6"
-
android:layout_width="match_parent"
-
android:layout_height="wrap_content"
-
android:hint="请输入姓名" />
-
-
<Button
-
android:text="Button"
-
android:layout_width="match_parent"
-
android:layout_height="wrap_content"
-
android:id="@+id/button" />
-
-
</LinearLayout>
-
@BindView(R.id.button)
-
Button button;
-
-
@BindView(R.id.et1)
-
@NotEmpty(messageResId = R.string.errorMessage)//类型
-
@Order(1)//第几个
-
EditText et1;
-
@BindView(R.id.et2)
-
@NotEmpty(messageResId = R.string.errorMessage)
-
@Order(2)
-
EditText et2;
strings.xml
-
<resources>
-
<string name="app_name">ValidationDemo</string>
-
<string name="errorMessage">不能为空</string>
-
</resources>
-
validator = new Validator(this);
-
validator.setValidationListener(this);
两个监听方法
-
@Override
-
public void onValidationSucceeded() {//不为空的时候执行
-
//do somethings
-
//sendSubmit();
-
}
-
-
@Override
-
public void onValidationFailed(List<ValidationError> errors) {//为空的时候执行
-
for (ValidationError error : errors) {
-
View view = error.getView();
-
String message = error.getCollatedErrorMessage(this);
-
if (view instanceof EditText) {
-
((EditText) view).setError(message);
-
}
-
}
-
}
-
@Override
-
public void onClick(View view) {
-
switch (view.getId()) {
-
case R.id.button:
-
validator.validate();
-
break;
-
}
-
}
6.扩展(非空、邮箱等)
NotEmpty
@NotEmpty(messageId = R.string.validation_name, order = 1)
private EditText mNameEditText;
MaxLength
MinLength
@MinLength(value = 1, messageId = R.string.validation_participants, order = 2)
private EditText mNameEditText;
MaxValue
MinValue
@MinValue(value = 2L, messageId = R.string.validation_name_length)
private EditText mEditNumberOfParticipants;
MaxNumberValue
MinNumberValue
@MinNumberValue(value = "5.5", messageId = R.string.validation_name_length)
private EditText mEditPotentialOfHydrogen;
RegExp
@RegExp(value = EMAIL, messageId = R.string.validation_valid_email)
private EditText mEditEmail;
@RegExp(value = "^[0-9]+$", messageId = R.string.validation_valid_count)
private EditText mEditCount;
DateInFuture
@DateInFuture(messageId = R.string.validation_date)
private TextView mTxtDate;
DateNoWeekend
@DateNoWeekend(messageId = R.string.validation_date_weekend)
private TextView mTxtDate;
Custom
@Custom(value = MyVeryOwnValidator.class, messageId = R.string.validation_custom)
private EditText mNameEditText;
Demo地址:https://github.com/yechaoa/ValidationDemo
github:https://github.com/ragunathjawahar/android-saripaar/
文章来源: blog.csdn.net,作者:yechaoa,版权归原作者所有,如需转载,请联系作者。
原文链接:blog.csdn.net/yechaoa/article/details/60875310
- 点赞
- 收藏
- 关注作者
评论(0)