[英]Adding checkmark to a edittexted field
I am making a form in Android and I want to know how would I go insert a check mark when user enters both password correctly. 我正在用Android制作表单,我想知道当用户正确输入两个密码时如何插入对勾。 I am going to use the built in drawable checkmark as described in this post ( How to access checkmark drawable in Android OS? ) 我将按照本文所述使用内置的可绘制复选标记( 如何在Android OS中访问可绘制复选标记? )
//variables
private EditText inputName, inputEmail, inputPassword, inputPasswordConfirm;
private TextInputLayout inputLayoutName, inputLayoutEmail, inputLayoutPassword, inputLayoutConfirmPassword;
private Button btnNextSignUp; //button
private static final String PASSWORD_PATTERN = ".{6,20}"; //regex expression for password validatoin
private Pattern patternToMatch;
private Matcher matcherToCheck;
private boolean validatePassword(){
String passwordString = inputPassword.getText().toString().trim();
//Check for if field is empty and password is valid meaning
// it has to be greater than 6 characters
if (passwordString.isEmpty() || !isPasswordValid(passwordString)){
inputLayoutPassword.setError("Enter password greater than 6 characters");
requestFocus(inputEmail);
return false;
}
else{
//set error layout to false if password has been filled with characters
inputLayoutPassword.setErrorEnabled(false);
}
return true;
}
/**
* helper method make sure password is greater than 6
* @param passwordEntered for validation
* @return true valid password, false invalid password
*/
private boolean isPasswordValid(String passwordEntered){
patternToMatch = Pattern.compile(PASSWORD_PATTERN);
matcherToCheck = patternToMatch.matcher(passwordEntered);
return matcherToCheck.matches();
}
/**
* isTwoPasswordsMatching
* @param none
* @returns returns confirmed password match
* check the two passwords are equal to each other
* */
private boolean isTwoPasswordsMatching(){
//password field one
String passwordString = inputPassword.getText().toString().trim();
//password field two confirm password field --> convert to string
String passwordConfirmString = inputPasswordConfirm.getText().toString().trim();
if (passwordString.equals(passwordConfirmString)){
//field is valid add check mark or change underline field to green
}
}
//get error to appear
private void requestFocus(View view){
if (view.requestFocus()){
getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_VISIBLE);
}
}
Try setCompoundDrawables 尝试setCompoundDrawables
Drawable drawable = ResourcesCompat.getDrawable(getResources(),R.drawable.wen, null);
drawable.setBounds(0, 0, drawable.getMinimumWidth(),
drawable.getMinimumHeight());
edit.setCompoundDrawables(drawable, null, null, null);
You can also use 您也可以使用
editText.setCompoundDrawablesWithIntrinsicBounds(0, 0, R.drawable.drawableRight, 0);
For more, see Android Docs . 有关更多信息,请参阅Android文档 。
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