Kotlin textview settext. setTextColor(0xffffffff); //white textView.

Setting up fontFamily of a TextView element created in kotlin-3. string. My code is same. NullPointerException: Attempt to invoke virtual method 'void android. In this tutorial, we will learn how to create a TextView using layout XML files, how to access the TextView in layout file from Kotlin file, how to create a TextView in Kotlin file and display it to user, different attributes supported by TextView, with examples covering the most Jan 27, 2020 · Register as a new user and use Qiita more conveniently. toString() println("the value is $str") Dec 16, 2020 · val textView: TextView = findViewById(R. Apr 29, 2024 · Provide an instance of the TextView class, an array of sizes, and any TypedValue dimension unit for the size. But how do I change it by coding? I tried something like: holder. colorize(subStringToColorize: String, @ColorRes colorResId: Int) { val spannable: Spannable = SpannableString(text) val startIndex = text. sample_string))); Jan 18, 2017 · If you want to set text without animation, call method setCurrentText(CharSequence text). text = "Hello World" Jun 12, 2017 · Or cast to TextView but I believe this should be fixed on kotlin side for sure for convenience of developers ! (someEditText as TextView). setText(crotLoan. e. public static TextView createLink(TextView targetTextView, String completeString, String partToClick, ClickableSpan clickableAction) { SpannableString spannableString = new SpannableString(completeString); // make sure the String is exist, if it doesn't exist // it will throw IndexOutOfBoundException int Apr 23, 2022 · That'll cause your TextView to only be displayed when shouldShowUsername has a proper value then take that value and assign it to the TextView. This process will take about 2 minutes but by the t Android TextView is a UI component that is used to display text on the screen of an Android application. indexOf Oct 17, 2012 · I do not know what is wrong with code below - public void onCreate(Bundle savedInstanceState) { super. Oct 29, 2021 · Android TextView is simply a view that are used to display the text to the user and optionally allow us to modify or edit it. texto); err. Jul 18, 2012 · If you want to set your textview just a string from your string. Your AI development companion for Android development. Apr 22, 2021 · You can make a spannable factory, override the newSpannable method and set it to the TextView. kt file and refer to the following code. lang. So you can set it in XML or in Java code i. BufferType. Create an Android Application with Kotlin support and Empty Activity. toString(yourNumberHere)); and Kotlin is the preferred language for Android Sep 23, 2021 · 2021 Sep. text. append("1"); textview. String. import android. If user signs in their user profile info shows properly. getTextSize(); After you get this value you need to set your TextView maxLines to this new value. Here is how I set my texts. setText(Integer. Developers can now let the size of their text expand or contract automatically based on the size and characteristics of the TextView, making it much easier to optimize the text size on different screens or with dynamic content. The requirement is to display coloured or bold texts and more. Great answers. Kotlin化をした場合ももちろんsetText()メソッドは利用可能ですが、プロパティアクセスによる省略が可能となります。 MainActivity. toString(). If you want the TextView to always show up, you can skip that first line within the block. Set the text value of the TextView to the SpannableString. May 17, 2021 · Your showVraag method does not have access to view. 25 only. setTextSize(18) method to set the text size. I use okhttp3. setText("This sets the text. setText("Hello"); must be inside a function/method. Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project. setTextSize(TypedValue. 5" attribute to TextView Kotlin version of the @Be_Negative awesome answer,. Jun 30, 2017 · I am trying to make a simple Android application using Kotlin language. launch { test_function() } I am unable to update textView from within test_function(). setText(id+" "+name); I want the output to be like this: 1111 neil id and name are variables that I In Android, I am setting the text of a textview to be the answer to a calculation which is a double data type. setOnClickListener { // your code to run when the user clicks on the TextView } Jul 18, 2018 · In this example will learn to change TextView dynamically, change color, setText, change Text Size, Change the style and Capitalize TextView. Jul 21, 2016 · To highlight all occurrences of specific text use this method: private void highlightString(String input) { //Get the text from text view and create a spannable string SpannableString spannableString = new SpannableString(mTextView. When I close and open the app again the value in the TextView is still there. g. edit_text); editText. widget. To use preset sizes to set up the autosizing of TextView in XML through the Support Library, use the app namespace and set the autoSizeTextType and autoSizePresetSizes attributes in the layout XML file. toUpperCase()); Have a look at this post for detail discussion. Go to the MainActivity. movieCount) } Jun 12, 2015 · Unable to pass data from one fragment to another using intent. BOLD); textView. However, there are cases where TextView shouldn't be present in the other class, e. SPANNABLE) val spannableFactory = object : Spannable. setText("") method while also coloring a part of the text (or making it bold, italic, transparent, etc. Basically I use view Object to set Text in Fragment. <Textview android:textStyle="bold|italic" . fromHtml(getResources(). In your thread (activity) where you create textView use: Handler handler = new Handler(); And pass handler into another thread. As other answer mentioned here, textView. SPAN_INCLUSIVE_EXCLUSIVE); textview. Change Text Size in TextView. I don't know why. Set Color of Text of TextView. It works fine for me. Feb 15, 2022 · Step 3: Working with the MainActivity. Jul 7, 2017 · I searched heavily on internet about how can i use setFocusable(), setText(), setError() etc etc methods on editText(s) in android with Kotlin (I know the fact that we can use the above mentioned m Jan 23, 2019 · I've set a TextView as the display. Share. By default, regardless of whether you set the BufferType, the TextView creates a copy of the CharSequence object and holds it in memory. , your ClassB is used to update various Activities, where some activities update TextViews, and others might update EditTexts. Jan 3, 2024 · <TextView android:text="@{viewmodel. There is some way to clear the value of You need to define all your adapter views in the viewHolder class: class MovieViewHolder(itemView: View) : RecyclerView. Red); Where 4 days ago · Set text in a TextView multiple times. Get Android Studio. Kotlin is concise and expressive programming as it reduces the boilerplate code. May 25, 2017 · If the text you're putting in the TextView is short, it will not automatically expand to four lines. getDefaultDisplay(). some_color)); Oct 8, 2012 · I beg some leniency here, I'm just starting with the Android SDK tutorials and I'm attempting something out of interest that's not in the tutorial itself, but I would hope would be easy. Set the text using setText(): kotlin textView. Jun 4, 2021 · settext kotlin; android studio kotlin acces text from text view; time text format kotlin android studio; android set text in textview programmatically from string resource; View get text android; textview underline android; android edittext on change listener kotlin; set textview text android java; findviewbyid textview kotlin FLAT 75% OFF All Interactive courses at flat ₹250 / $3. textview. In this example, we input the text value in ExitText and display its value in the TextView on clicking the Button. But NullPointerException occurs everytime. Jul 14, 2022 · Thanks for your reply :) Makes totally sense - inflating the layout twice is redundant and that's why I didn't adress the actual objects. java. Put this code in ProfileFrgament. Please use those. But I get this error: java. Android studio shows what padding() actually means in java: Jul 14, 2016 · Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand Jun 13, 2016 · Revision 26. Jul 5, 2016 · Replace R. ActivityからXMLレイアウトファイルのTextViewを呼び出すには元々 findViewById を使っていました。 findViewById: Apr 14, 2019 · In this video I am going to show you how to: change the text of a TextView using kotlin in Android Studio. textView) 2. getMetrics(displayMetrics); float returnFactor = ((float) displayMetrics Apr 16, 2015 · TextView tv1 = (TextView)findViewById(R. Bundle; import android. settext(i); textViewArray[i] =txtCnt ; } Share. Since there is no default ViewAction for setting text on TextView in Espresso, you have to create your own. text = "someTextValue" Or with some extensions: val EditText. Gemini in Android Studio. (can be user defined) (I am new to android studio so I don't know the reason behind the problem but I only know how to fix this. length My Approach is Little bit Different to set Text in Fragment. In the main code, we have programmed the Button in such a way that if it is clicked, the current layout parameters of the TextView, i. HURRRRRY!! Explore now Jan 4, 2011 · It takes in a String and a TextView. Cod Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand May 21, 2017 · val textView: TextView = findViewById(R. I tried the following code and it works, but doesn't underline. setText(int resid) Sets the text to be displayed using a string resource identifier. setText(Html. textviewy; import android. BOLD_ITALIC); Or if you want to set a different font and its typeface . You just have to make sure you call the setText as setText(string, BufferType. Modified 4 years, 11 months ago. ITALIC); textView. onCreate(savedInstanceState); setContentView(R. Listener Nov 25, 2022 · Kotlin is a statically typed, cross-platform, general-purpose programming language for JVM developed by JetBrains. Use resource string with placeholders. Change your code with this one May 22, 2012 · I made this helper method in case someone need start and end position from a String. activity_main); TextView tv = ( Aug 28, 2012 · Use String class method while setting the text to TextView as. What I want is to make these TextViews display a portion of the text (let's say 20 word or roughly 170 chars). Kotlin Android TextView and ExitText Example. Hamad. EditTextへの文字列のセット val str: String = "abc" (NG) editTexr01. Code – TextView OnClickListener. textView. Create two TextView widgets with different text styles. : May 22, 2016 · I'm trying to switch my Android project to Kotlin. Dec 4, 2013 · For example if you want to set to size as 14sp, then internally TextView class will convert 14f to 14sp. Add this dependency implementation 'androidx. It is a versatile widget that can be customized to display different types of text, such as plain text, HTML formatted text, or even text with inline images. They were designed to be optimal for mobile displays, so these are the three fonts you will be working with most of the time and they can be styled using a handful of XML attributes. I have an EditText (a subclass of TextView) for which I want to set a hint and text programmatically. How to limit the TextView to a fixed number of characters? Use setText instead of append for large texts: If you need to set a large text content in the EditText, it’s more efficient to use the setText method instead of repeatedly appending text using the append method. Method. append(" This is appended text. Modified 5 years ago. Start by creating your first app. Learn more. kt is the same with second app LoginActivity. To programmatically set or change Android Button text, we can pass specified string to the method Button. Mar 27, 2012 · handler. Append text using append(): kotlin textView. But, I am moving this code to the layout files with android data-binding and is there an easy way to format and show amounts in android? Jun 22, 2017 · To set text, it's better not to "hardcode" with a string in quotes, but to create a string file and ask for it, which will look more like this: outputBottom. It can display one line of text vertically, but just one line. userName}" /> Binding components in the layout file lets you remove many UI framework calls in your activities, making them simpler and easier to maintain. Here is my code: open class MainActivity: AppCompatAct Jan 10, 2022 · i discovered in android studio setText of TextView doesn't work. Jun 13, 2018 · You have to call setPadding(int left, int top, int right, int bottom). Add attributes like text, textColor, textSize, textSty Textview txtCnt = new TextView(this); txtCnt . Viewed 35k times Part of Mobile May 4, 2017 · The image part is working and setting the text to the textview is also working, the problem is that the textview is static and that the text in the text view is the entire array and I just want one value, I was thinking linking the array with the 'i' from the for sentence, how can I do this? Jan 15, 2021 · I'm trying change some text after load a fragment. The first in the XML code. class MainActivity : AppCompatActivity() { /** * First, Follow conventions for naming variables, they are usually in camelcase for variables and functions, Capitalized for Constants. apply plugin: 'kotlin-android-extensions' 2- and now once you write this. So you need to pass the view also. It will be location tracker in future. In some cases, such as when using a RecyclerView. It seems that setText is only working with TextView fields. click_on_me) Here, we used textView. setTextColor() method takes int as argument. example_tv); textView. Jan 22, 2010 · The best approach to use CData sections for the string in strings. You get articles that match your needs; You can efficiently read back useful information; You can use dark theme Jan 7, 2011 · I want to make a TextView's content bold, italic and underlined. some_text)); But it displays like normal text. Viewed 3k times Oct 17, 2011 · Make sure your TextView has couple of lines of code in xml: android:lines="2" android:singleLine="false" by default android:singleLine is true. kt Sep 29, 2018 · Your TextView is in fragment_profile. length. To display text in a TextView in Kotlin, follow these steps: 1. like so: maskot_names. findViewById(R. Essentials. String text="Underlined Text"; SpannableString content = new SpannableString(text); content. May 23, 2011 · Set Text on TextView of two strings with different colors: Kotlin Answer. java source code /** * Set the default text size to the given value, interpreted as "scaled * pixel" units. Store the wholre TextView text inside a SpannableString; Make a simple operation to find all the String instances inside the TextView text and change them when reached. Step 1: Define a new ViewAction to set text on TextView such as, I want to change the text of a TextView inside the navigation drawer header. id. You don’t need to call the setText() method as shown below: val myTextView = findViewById<TextView>(R. text); Feb 29, 2012 · I am using textView. style Feb 18, 2021 · Android TextView is simply a view that are used to display the text to the user and optionally allow us to modify or edit it. setPadding(0,16,0,0) What you are trying to use is only the getter. Upon closing the app and reopening the user name and Dec 15, 2023 · Kotlin for Android Monetization with Play ↗️ setText(int arg0, TextView. What do I do wrong? The first app: File . Activity; import android. myTextView) textView. ViewHolder(itemView) { val addtocount: TextView = itemView. xml file inside LinearLayout. text = "Hello World" For the Kotlin Extensions solution do the following. One with bold style and the other with normal style. You should look at the exception stack trace, instead of printing a message to the console: e. setText(specific_string_value) in Kotlin program. setTextColor(getResources(). Please check the last parts of main activity where I have sent strings to other activity using putExtra. Ask Question Asked 11 years, 11 months ago. You need to pay attention at the Gravity Attribute. If below code is used. xml and you trying to find that TextView in TabbedActivity. IO). In Jan 30, 2022 · Android TextView is simply a view that are used to display the text to the user and optionally allow us to modify or edit it. texto); Jan 24, 2017 · Set text in TextView using Html. Android set text style programmatically. but doesn' Apr 17, 2022 · Does anyone know of a way to change the value of a textview text, whilst in a fragment. In this tutorial, we shall provide you an example Kotlin Android Application to implement a listener, TextWatcher object, for EditText to trigger an action on text change. mycar); If you want to set your textview with combination of some strings or integers, (better than first way) Create an Android Application with Kotlin support and Empty Activity. xml file to get a actual display of the html content to the TextView the below code snippet will give you the fair idea. First of all, open Kotlin project in Android Studio. I have one EditText, I am getting its value in String but I want to convert that value into an integer. I have two simple apps. Aug 18, 2020 · How to make a specific text on TextView bold in Android using Kotlin - This example demonstrates how to make a specific text on TextView bold in Android using Kotlin. fun setTextColor(tv:TextView, startPosition:Int, endPosition:Int, color:Int){ val Mar 4, 2022 · User can enter value from keyboard and and press 'calculate'. setText("This is an exceptionally hardcoded string"). create method. Sep 6, 2016 · amount. For example: EditText editText = (EditText)findViewById(R. Here is my code: super. Sep 2, 2017 · TextView textView = (TextView) findViewById(R. setSpan(new UnderlineSpan(), 0, text. text = str // 「EditableにStringを代入しようとしている」とのエラーになる (OK) editTexr01. Step 2 − Add the following code to res/layout/activity_main. I also noticed that I can only set the text once on first Fragment open. The first one affects the position of the text itself within the View, so if you want it to be right-aligned, then layout_width= should be either "fill_parent" or "match_parent". getString(R. kt の onCreate() 以下に TextView を設定します。 ViewBindingを使ってレイアウトファイルのIDとコードを結びつけます. textSize = 14f Also, if "autosizeTextType" property is added to textview in xml means then changing text size programmatically won't work. see next code. How do I set the style of a textView Oct 16, 2015 · Do not concatenate text displayed with setText. length(), 0); txtView. But when I delete old textView in first app new textView don’t work. int maxLines = (int) TextView. EDIT: This was answered way back before API 14. java, so NullPointerException is occured. xml Aug 23, 2020 · If you set text for pTxt in the activity class you can just write pTxt. getTypeface(), Typeface. May 22, 2010 · Try this. color. Do find the Comments inline. The accepted answer is fine (and I upvoted it), but it fails to use the SpannableStringBuilder as the submitter requested. TextView; public class TextyView extends Activity implements OnClickListener { TextView t Ask questions and get answers about changing the text on a custom toolbar for Android development. activity_enviar_mensaje); err = (TextView)findViewById(R. 0. text_view); そしてそのインスタンスにテキストを設定します (文字列の直書きも可能ですが、resourceに記述して呼び出すことを推奨されています) textView. We can get the reference to TextView widget present in layout file and change the color dynamically with Kotlin code. I'm trying to use setText but the values don't change in EditText. Jul 13, 2010 · August 2021 update: My original answer used Html. In order to create PrecomputedText we need to pass the text and TextMetricsParams of the target TextView to PrecomputedTextCompat. I have tried findviewbyid, however i believe that this does not work whilst in a fragement. text to set text in textView. setText(currency + " " + amount); And at some places I have 2 TextViews to display amount with padding in between: currency. setText(getString(R. TextView | Android Developers. If you want the TextView to always have four lines regardless of the length of the text in it, set the android:lines attribute: Aug 5, 2019 · How to set text content Custom TextView in Kotlin. OK I have answered my own question (but is it the best way?) This is how to run a method when you click or tap on some text in a TextView: package com. COMPLEX_UNIT_PX, fontSize * fontFactor); } public static float fetchFontFactor(Activity act) { DisplayMetrics displayMetrics = new DisplayMetrics(); act. colors, size, paddings, margins and background all work fine. In the second don’t work. BufferType arg1) final void: setText(char[] arg0, int arg1, int arg2) Overview. Go deeper with our training courses or explore app development on your own. setTextColor(R. displayPriceMsg, price) – Andrei Tanana Commented Aug 23, 2020 at 10:20 May 14, 2024 · Setting Text in a TextView in Kotlin. val textView: TextView = findViewById(R. Dec 2, 2019 · （TextViewだけじゃなく、Buttonとかでもそうですしね） さて、そこで標題の件。 TextViewなんだから、もちろん複数行に渡る文章を表示させたい場合も出てきますが、入力欄は1行しかありません。 Oct 29, 2017 · Background In Java, I could directly change the text color of a TextView, using the standard hexa-decimal value of it: textView. tv_click_me) as TextView // set on-click listener tv_click_me. Using an enhanced for-loop: Apr 16, 2022 · here I will tell you how to be an android developer by building simple Android apps on Android Studio, using the Kotlin language. text = "サンプルメッセージ表示" Oct 31, 2012 · Added OnClickListener and implemented the onClick, using the View parameter and casted to the TextView @Override public void onClick(View v) { TextView textView = (TextView) v; textView. Make sure you use the latest version of androidx. Adding one that loads the color from an Android resources xml but still sets it programmatically:. 5,134 13 13 gold May 15, 2010 · If the TextView is in any Layout (LinearLayout for example), try to change the orientation attribute to vertical as android:orientation="vertical" for the layout or change the TextView attribute android:singleLine="true" to create a new line after it. 45. I tried suggested \n but that does nothing. Follow steps below to set color of text of textView programmatically in Kotlin – Oct 22, 2010 · final TextView textView = findViewById(R. So, is there anyway to avoid this behavior and keep the input in one line, even if it goes out of the screen? I have an app that makes user sign in with Firebase if they are not already signed in. . os. For text, though, I'm getting a type mismatch exception if I try to do it using Kotlin setter syntax: Solved this by doing a few things, first getting the height of my TextView and diving it by the text size to get the total amount of lines possible with the TextView. core:core:1. Jan 1, 2024 · 文字列を表示するために、MainActivity. This can be achieved using a Spannable String. setText(spannable); //Note:- the 0,5 is the size of colour which u want to give the strring //0,5 means it give Jan 23, 2012 · In general, android:gravity="right" is different from android:layout_gravity="right". We can achieve transparent Textview backcgorund in two way: By setting opacity code such as #88000000 in android:background attribute; By setting android:alpha="0. This example assumes you have a TextView with the ID textView in your layout XML file. POST, url, Response. View. getReducedNumber()); } The idea of using onClick, was from How do you update the screen after you change the text with a setText? Get the latest; Stay in touch with the latest releases throughout the year, join our preview programs, and give us your feedback. Mar 27, 2015 · Currently, setTextSize(float size) method will work well so we don't need to use another method for change text size android. As I had a case where the Builder made the most sense, here is the code for that (with a bonus use of also changing the color of the text if that is helpful to others). How can I convert this string to integer in Kotlin language?. OnClickListener; import android. Code val stringRequest = StringRequest( Request. Consider using String#format with proper format specifications (%d or %f) instead. Ask Question Asked 5 years ago. layout. Jan 3, 2024 · Build a graph programmatically using the Kotlin DSL; Use the Navigation editor; you can set TextView text directly by calling setText(java. my_words); Here are the developer notes on strings. setTextWithAnimation("Hello world", 500) Share. this is the tenth video of t TextView textView = findViewById(R. kt, I am able to set the textView from: override fun onViewCreated(view: View, savedInstanceState: Bundle?) { } However, if I start a CoroutineScope() as such: CoroutineScope(Dispatchers. Below is the code for the MainActivity. We are also watching the changes made over EditText using addTextChangedListener method and TextWatcher interface. You will need to import the following. Jan 27, 2021 · I'm receiving UDP data from server and I want to show the UDP data to a TextView. You also can find this attribute in the Graphic Editor; it may be easier than the XML EDITOR. The hint works as expected. ", TextView. Following is quick look into code to set OnClickListener for TextView in Kotlin Programming: // get reference to textview val tv_click_me = findViewById(R. TextView txtSubTitle = (TextView)findViewById(r. Apr 13, 2011 · To underline the text in TextView, you can use SpannableString. Oct 21, 2020 · When we use it to set text on a TextView no further layout calculations are required which is why it will be faster. Feb 5, 2012 · What I have now is a ListView of TextView elements. gradle module: android { buildFeatures{ dataBinding Jan 11, 2009 · There are two ways of doing this. Nov 10, 2022 · I'm presently learning Android for a school project, however I'm having trouble figuring out how to dynamically set text to a TextView. Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand Aug 21, 2013 · You haven't given us much to go on. xml file, mytextview. When the double value has a value of 5, the textview receives the string: 5. val str: String = textView. textView) myTextView. setText() takes a CharSequence as the first argument so the compiler will complain if you pass in an int in the case of word. setTextColor(0xffffffff); //white textView. setTypeface(textView. You can make use of setPaintFlags method of TextView to underline the text of TextView. Learn to Set Text of TextView Using XML Attribute. For example: t Aug 28, 2011 · Store the whole TextView text inside a StringBuilder. getWindowManager(). Does anyone have an idea on how to identify a textview and change the text value of it. I want to display the operation being performed in one line, for example: 9856243187 + 2457896123 - 214583 The problem is, when the input reaches the edge of the TextView - it jumps to the next line. exercise. 1 to the build. This can also improve your app's performance and help prevent memory leaks and null pointer exceptions. kt val messageView: TextView = findViewById(R. Remember to handle cases where the drawable or TextView might be null, depending on your application logic. Jun 12, 2012 · The preceding two examples require TextView to be used directly within the other class. tv. Feb 1, 2021 · I want to change static strings in my TextView with returned data from API but it does not change the values. android_text) as TextView textView. its like this txtResult. setText(content); 3rd Approach. Follow edited Jan 12, 2016 at 12:45. isAllCaps = true and its java methods were introduced from TextView. Obtain a TextView reference: kotlin val textView = findViewById<TextView>(R. I expect if in nextCode append button is clicked, in textView text is changed to editText. kt file. Because onCreateView() Return a View Every single Component using inflater Class inflate method. BLUE), 0, 5, Spannable. Since it does heavy text layout measurements its best to call it from a Jan 17, 2013 · I don't know how to make a specific text on TextView become BOLD. getText()); //Get the previous spans and remove them BackgroundColorSpan[] backgroundSpans = spannableString. append("2"); Use append to append text to textview. setSpan(new ForegroundColorSpan(Color. text = getString(R. ViewHolder, you might want to reuse a TextView and set the text multiple times. Every Android device comes with a collection of standard fonts: Droid Sans, Droid Sans Mono and Droid Serif. In the first app it works ok. 1 of Support Library added support for autosizing in AppCompatTextView. Sep 23, 2009 · Well I had situation when web service returned a color in hex format like "#CC2233" and I wanted to put this color on textView by using setBackGroundColor(), so I used android Color class to get int value of hex string and passed it to mentioned function. setText(strings. In the following video, we have an EditText, where when user enters text, the listener triggers and reads the text. My problem is to set text size dynamically so that it fits for all the screens. Thanks Jul 7, 2011 · Answers above showing only how to set transparent background of TextView. txtSubTitle); txtSubTitle. Since Google I/O 2019, Android development has been Kotlin-first. less (Ctrl+F1) When calling TextView#setText: Never call Number#toString() to format numbers; it will not handle fraction separators and locale-specific digits properly. So try removing that property and change text size Aug 3, 2019 · TextView textview=(TextView)findViewById(R. textView1); tv1. Android TextView widget displays text to the user in UI. See the code below where I have reformatted to be more Kotlin style. setTextColor(. Following steps are used to create TextView in Kotlin: Add a TextView in activity_main. Kotlin is seam Jan 15, 2021 · The problem is that there are a bunch of setText methods (which come from TextView, which is EditText's superclass) - one of them takes a single Int parameter:. However, I'm facing a new issue now, that is Smart cast to 'FragmentHomeBinding' is impossible, because '_binding' is a mutable property that could have been changed by this time when using _binding. some); textView. Create three TextView widgets with different text sizes. Here is my code: protected void onCreate(Bundle savedInstanceState) { super. setText(R. setText(currency); amount. core:core. the width and the height are multiplied by 2. If you're using Android Studio there are tutorials for how to make that happen. gradle file of your app. Sep 23, 2019 · Kotlin 的語法較 Java 簡潔，很多語法糖在裡面，剛接觸還真的是不太習慣，來看看如何將 TextView 取得並改變文字。 “Android TextView by Kotlin” is published Jun 1, 2011 · textView. public final void append (CharSequence text) Nov 27, 2022 · The "BottomNaviation" template in AndroidStudio has a HomeFragment. Add it to asset or raw folder and then use it like Jan 5, 2011 · In XML, we can set a text color by the textColor attribute, like android:textColor="#FF0000". name) } Para obtener los valores de la Textview tenemos que usar este método Jul 4, 2020 · The value of the TextView is inserted by selecting the Item on List (ArrayList). After that the values in those EditText should be replaced with new calculated values. setText I am trying to add a line break in the TextView. There are quite a few errors in your code, so I'm going to break down the answer with your code. setText(str) Kotlin Android Button Text - To set Android Button text, assign android:text XML attribute for Button with specific text in layout file. drawable. setText(yourText); } }); But your textView and yourText must be class fields. fromHtml. setOnClickListener { textView. The first I made month ago and the second day ago. textviewid); Spannable spannable=new SpannableString("Hello my name is sunil"); spannable. Appending large amounts of text can lead to performance issues, especially when dealing with long strings. setText(amount); Which is fine. Store the searched string inside a StringBuilder. So I'm testing change of the text. value: CharSequence? En kotlin no utilice getters y setters como similares en java. printStackTrace(); But from here, if I had to guess, it looks like you're either setting the TextView's text off the main thread, or - and which appears unlikely based on what you've posted - your TextView has not been set and you have a null pointer exception. I tested it on samsung tablet and found that the font size is too small for this screen then I changed the textsize to 25 but it is too big for an emulator(480*800). setMaxLines Apr 18, 2018 · /** * Change the color of a part of the text contained in this textView * * @param subStringToColorize has to already be set in the textView's text * @param colorResId */ fun TextView. TextView. each TextView element displays a text (the text length varies from 12 words to 100+). name) } To get the values from the Textview we have to use this method. So I have Created a View Object Globally and assign it to inflate method and return it in onCtreateView() Method. Now, you have 2 options. build. Here is the Change Text Color of TextView in Kotlin File. The first is the easiest, you should simple move your code for changing the text into the corresponding fragment's class, FragmentA in this case. message_view) messageView. Factory() { override fun newSpannable(source: CharSequence?): May 27, 2022 · In Kotlin, you can set the text property of the TextView widget directly. asTextView: TextView get() = this as TextView var EditText. text = "Hello, world!" 3. kt file, as – textView. app. 1- go to your app gradle file and add this plugin. fromHtml(String), which was deprecated in API 24. Now, we can set text of textView dynamically, in MainActivity. The alternative fromHtml(String,int) form is suggested as its replacement. Oct 18, 2013 · I'm currently learning some android for a school project and I can't figure out the way to set text dynamically to a TextView. May 13, 2013 · On button click do as below. getHeight() / (int) TextView. )and not the rest. getSpans(0, spannableString. SpannableString; import android. view. I try to show response in textView. TextView. Get started. EDITABLE); It also inherits TextView's setText(CharSequence) and setText(int) methods, so you can set it just like a regular TextView: Nov 26, 2019 · I coding in kotlin language. El formato correcto del kotlin se da a continuación. Oct 13, 2012 · TextView. CharSequence). text = "Good Evening!" And that’s how you set the TextView text programmatically. Jun 19, 2016 · update: as @Andy mentioned below Google has created HtmlCompat which can be used instead of the method below. Logic is fine . View; import android. Add attributes like text, textColor, textSize, textSty I am looking to change the text of a TextView view via the . ") Font size based on the screen size public static void applyFont(TextView tv, Float fontSize) { tv. 23. post(new Runnable() { public void run() { textView. getColor(R. To set the color to the TextView widget, call setTextColor() method on the TextView widget reference with specific color passed as argument. your_drawable with the actual resource ID of your drawable. The TextView is located in the fragments layout, not in the ViewPagers or the PagerAdapter, that is causing the NPE. This is a language with type inference and fully interoperable with Java. fmbgugl xqd jjqf uhxmmsi lcavf aftuau mnzmu cpodu nrarg nok