Display a String letter by letter in a TextView -Android

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I have this code:

public void setText(String s){
    TextView tv= (TextView)HomeActivity.tf.getView().findViewById(R.id.textViewFragment);


    char c;
    for(int i=0; i< s.length(); i++){
        c= s.charAt(i);

        tv.append(String.valueOf(c));

        try{
            Thread.sleep(100);
        }catch(Exception e){}
    }
}

The problem is that i cant get the TextView to display the letters one-by-one. After the loop is completed and everything is executed, thats when the text shows up.

I want to have it show up letter by letter, to give an animation effect to the TextView.


This code works,

    public void setText(final String s)
    {
    TextView tv= (TextView)HomeActivity.tf.getView().findViewById(R.id.textViewFragment);
    final int[] i = new int[1];
    i[0] = 0;
    final int length = s.length();
    final Handler handler = new Handler()
    {
        @Override
        public void handleMessage(Message msg) {
            super.handleMessage(msg);
            char c= s.charAt(i[0]);
            Log.d("Strange",""+c);
            tv.append(String.valueOf(c));
            i[0]++;
        }
    };

    final Timer timer = new Timer();
    TimerTask taskEverySplitSecond = new TimerTask() {
        @Override
        public void run() {
            handler.sendEmptyMessage(0);
            if (i[0] == length - 1) {
                timer.cancel();
            }
        }
    };
    timer.schedule(taskEverySplitSecond, 1, 500);
}

Simple real time update for your textfield/textview, The problem in this was that the complete string that is entered isn't updated in the text attributed of your text field until it return true from the change characters in​  Display HTML format. First we will present below what are the supported tags for a textView and what are not supported. You can skip this section if you are already familiar with these or you want to jump directly into action 🙂


Just in case someone's still looking for a better solution (with animating letters), try out Fade-In TextView.

This TextView library inherits its properties directly from the native TextView class, which means that all the native TextView methods are supported. There are practically no limitations including multiline support. It also has some of its own methods and attributes which offer full control over the View.

iOS Apps for Masterminds 3rd Edition: How to take advantage of , scrollRangeToVisible(NSRange)—This method scrolls the view to show on the screen the text The object assigned as the Text View's delegate must conform to the every time the user inserts or deletes a character or a string of characters​. Lesson 1: How to display and format a text in Android apps By Android Teacher on June 19th, 2013 in TextView tags: Hello World , layout , strings , text , TextView In this lessons set we will write and display some text in Android app.


More simple

Thread thread = new Thread() {
    int i;

    @Override
    public void run() {
        try {
            for (i = 0; i < text.length(); i++) { // use your variable text.leght()
                Thread.sleep(1000);
                runOnUiThread(new Runnable() {
                    @Override
                    public void run() {
                        textView.setText(text.substring(0, i));
                    }
                });
            }
        } catch (InterruptedException e) {
        }
    }
};

thread.start();

Foundations of GTK+ Development, Buffers. Each text view is used to display the contents of a class called GtkTextBuffer. As with all text widgets in GTK+, text is stored as UTF-8 strings. UTF-8 is a type of character encoding that uses from 1 byte to 4 bytes for every character. Android Application: Read Text File And Display On TextView. Create a new project by following the steps mentioned in first basic android application. I have named my android project as “ReadingTextFile”. Create a new directory in “res” folder to keep your text file, i have named my directory as “raw”.


iOS Apps for Masterminds, 2nd Edition: How to take advantage of , textViewDidEndEditing(UITextView)—This method is called by the Text View on the object every time the user inserts or deletes a character or a string of characters. The shouldChangeTextIn attribute determines the range of characters on the from the Attributes Inspector panel, including the text to show inside the view. A TextView displays text to the user and optionally allows them to edit it. A TextView is a complete text editor, however the basic class is configured to not allow editing. Following are the important attributes related to TextView control. You can check Android official documentation for complete list of attributes and related methods which


SwiftUI for Masterminds: How to take advantage of SwiftUI to , scrollRangeToVisible(NSRange)—This method scrolls the view to show on the screen The object assigned as the text view's delegate must conform to the object every time the user inserts or deletes a character or a string of characters. This example demonstrate about How to use toLowerCase in Android textview. Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project. Step 2 − Add the following code to res/layout/activity_main.xml.


iOS Apps for Masterminds 4th Edition: How to take advantage of , on the screen the text that corresponds to the range specified by the attribute. The object assigned as the Text View's delegate must conform to the and the replacementText attribute is the new character or string inserted by the user. Html is one of the best static online development language to create smart, simple and beautiful websites. Now android gives us the facility to embedded html code into android app and design your own apps using html. So here is the step by step tutorial to Set HTML formatted text inside TextView in android.