WebJun 25, 2024 · Step 1: Create a new project in Android Studio and name it EditTextExample. Step 2: Now Open res -> layout -> xml (or) activity_main.xml and add following code. In this code we have added … WebMar 14, 2015 · editabletext is an EditText and replaceAll returns a String. What the compiler says is that you can't assign a String to an EditText. You could change your code this way: if (editabletext.length () == 8) { String tmp = editabletext.getText ().toString ().replaceAll (" ( [0-9] {4}) ( [0-9] {4})", "$1-$2"); editabletext.setText (tmp); } Share
android - How can I make sure that edittext field is not null?
WebMar 25, 2024 · Validation Validation is a process to ensure that the value entered by the user is within the accepted boundaries of the application. For example, if a user enters a name then the programmer validates the edit …WebJan 4, 2011 · EditText editText = (EditText)findViewById (R.id.edit_text); editText.setText ("This sets the text.", TextView.BufferType.EDITABLE); It also inherits TextView 's setText (CharSequence) and setText (int) methods, so you can set it just like a regular TextView: editText.setText ("Hello world!"); editText.setText (R.string.hello_world); Sharegreenstate credit union financial center
Theming of Material Design EditText in Android …
WebJun 1, 2024 · It's easy...check if your EditText is empty as in below example below. if ( TextUtils.isEmpty (userName.getText ())) { /** * You can Toast a message here that the Username is Empty **/ userName.setError ( "First name is required!" ); }else { Intent i = … WebSep 24, 2024 · How to include a Edittext in an Android App: First of all, create a new Android app, or take an existing app to edit it. In both the case, there must be an XML layout activity file and a Java class file linked to this activity. WebJun 3, 2013 · No need for an EditText reference. Just set the listener and it works. myEditText.addTextChangedListener (new DateTextWatcher ()); import android.text.Editable; import android.text.TextWatcher; import java.util.Locale; /** * Adds slashes to a date so that it matches mm/dd/yyyy. fnaf games free play on pc