[android] How to set TextView textStyle such as bold, italic

How to set TextView style (bold or italic) within Java and without using the XML layout?

In other words, I need to write android:textStyle with Java.

Simply if you want to make text bold. write this line in your layout in text view property

android:textStyle="bold"

This is the only thing that worked for me on a OnePlus 5T configured with the OnePlus Slate™ font:

textView.setTypeface(Typeface.create(textView.getTypeface(), useBold ? Typeface.BOLD : Typeface.NORMAL));

Other methods would make it fall back to Roboto when either BOLD or NORMAL.

AppCompatTextView text =(AppCompatTextView)findViewById(R.layout.appCompatTextView1);
text.setTypeface(null,Typeface.BOLD);

Use above method to set the typeface programmatically.

It would be

yourTextView.setTypeface(null,Typeface.DEFAULT_BOLD);

and italic should be able to be with replacing Typeface.DEFAULT_BOLD with Typeface.DEFAULT_ITALC.

Let me know how it works.

textView.setTypeface(null, Typeface.BOLD_ITALIC);
textView.setTypeface(null, Typeface.BOLD);
textView.setTypeface(null, Typeface.ITALIC);
textView.setTypeface(null, Typeface.NORMAL);

To keep the previous typeface

textView.setTypeface(textView.getTypeface(), Typeface.BOLD_ITALIC)

Try this:

textView.setTypeface(textView.getTypeface(), Typeface.BOLD);
textView.setTypeface(textView.getTypeface(), Typeface.ITALIC);
textView.setTypeface(textView.getTypeface(), Typeface.BOLD_ITALIC);

Programmatically:

You can do programmatically using setTypeface() method:

Below is the code for default Typeface

textView.setTypeface(null, Typeface.NORMAL);      // for Normal Text
textView.setTypeface(null, Typeface.BOLD);        // for Bold only
textView.setTypeface(null, Typeface.ITALIC);      // for Italic
textView.setTypeface(null, Typeface.BOLD_ITALIC); // for Bold and Italic

and if you want to set custom Typeface:

textView.setTypeface(textView.getTypeface(), Typeface.NORMAL);      // for Normal Text
textView.setTypeface(textView.getTypeface(), Typeface.BOLD);        // for Bold only
textView.setTypeface(textView.getTypeface(), Typeface.ITALIC);      // for Italic
textView.setTypeface(textView.getTypeface(), Typeface.BOLD_ITALIC); // for Bold and Italic

XML:

You can set directly in XML file in <TextView /> like this:

android:textStyle="normal"
android:textStyle="normal|bold"
android:textStyle="normal|italic"
android:textStyle="bold"
android:textStyle="bold|italic"

Or you can set your fav font (from assets). for more info see link

You can set the different typeface using the example given below -

textView.setTypeface(textView.getTypeface(), Typeface.BOLD);
textView.setTypeface(textView.getTypeface(), Typeface.ITALIC);
textView.setTypeface(textView.getTypeface(), Typeface.BOLD_ITALIC);

Or if you want to set a different font and its typeface . Add it to asset or raw folder and then use it like

  Typeface face= Typeface.createFromAsset(getAssets(), "font/font.ttf");
  tv1.setTypeface(face);

  Typeface face1= Typeface.createFromAsset(getAssets(), "font/font1.ttf");
  tv2.setTypeface(face1);

Try this to set on TextView for bold or italic

textView.setTypeface(textView.getTypeface(), Typeface.BOLD);
textView.setTypeface(textView.getTypeface(), Typeface.ITALIC);
textView.setTypeface(textView.getTypeface(), Typeface.BOLD_ITALIC);

In my case:

1 - set text

2 - set typeface

holder.title.setText(item.nome);
holder.title.setTypeface(null, Typeface.BOLD);

The easiest way you can do based on the style selection criteria is:

String pre = "", post = "";

if(isBold){
    pre += "<b>"; post += "</b>";
}
if(isItalic){
    pre += "<i>"; post += "</i>";
}
if(isUnderline){
    pre += "<u>"; post += "</u>";
}

textView.setText(Html.fromHtml(pre + editText.getText().toString()+ post));
// you can also use it with EidtText
editText.setText(Html.fromHtml(pre + editText.getText().toString()+ post));

You can try like this:

<string name="title"><u><b><i>Your Text</i></b></u></string>

TextView text = (TextView)findViewById(R.id.THE_TEXTVIEW_ID);

now set the textview properties..

text.setTypeface(null, Typeface.BOLD);  //-- for only bold the text
text.setTypeface(null, Typeface.BOLD_ITALIC);  //-- for  bold & italic the text
text.setTypeface(null, Typeface.ITALIC);  // -- for  italic the text

TextView text = (TextView)findViewById(R.layout.textName);
text.setTypeface(null,Typeface.BOLD);

Best way is to define it in styles.xml

<style name="common_txt_style_heading" parent="android:style/Widget.TextView">
        <item name="android:textSize">@dimen/common_txtsize_heading</item>
        <item name="android:textColor">@color/color_black</item>
        <item name="android:textStyle">bold|italic</item>
</style>

And update it in TextView

  <TextView
     android:id="@+id/txt_userprofile"
     style="@style/common_txt_style_heading"
     android:layout_width="wrap_content"
     android:layout_height="wrap_content"
     android:layout_centerHorizontal="true"
     android:layout_marginTop="@dimen/margin_small"
     android:text="@string/some_heading" />

Use textView.setTypeface(Typeface tf, int style); to set style property of the TextView. See the developer documentation for more info.

Programmatically:

You can do programmatically using setTypeface():

textView.setTypeface(null, Typeface.NORMAL);      // for Normal Text
textView.setTypeface(null, Typeface.BOLD);        // for Bold only
textView.setTypeface(null, Typeface.ITALIC);      // for Italic
textView.setTypeface(null, Typeface.BOLD_ITALIC); // for Bold and Italic

XML:

You can set Directly in XML file in <TextView /> like:

android:textStyle="normal"
android:textStyle="normal|bold"
android:textStyle="normal|italic"
android:textStyle="bold"
android:textStyle="bold|italic"

1) You can set it with TypeFace. 2) You can directly use in strings.xml(in your values folder) 3) You can String myNewString = " This is my bold text This is my italics string This is my underlined string

One way you can do is :

myTextView.setTypeface(null, Typeface.ITALIC);
myTextView.setTypeface(null, Typeface.BOLD_ITALIC);
myTextView.setTypeface(null, Typeface.BOLD);
myTextView.setTypeface(null, Typeface.NORMAL);

Another option if you want to keep the previous typeface and don't want to lose previously applied then:

myTextView.setTypeface(textView.getTypeface(), Typeface.NORMAL);      
myTextView.setTypeface(textView.getTypeface(), Typeface.BOLD);        
myTextView.setTypeface(textView.getTypeface(), Typeface.ITALIC);      
myTextView.setTypeface(textView.getTypeface(), Typeface.BOLD_ITALIC); 

Standard way to do this is to use the custom styles. Ex-

In styles.xml add the following.

<resources xmlns:android="http://schemas.android.com/apk/res/android">
<style name="MyApp.TextAppearance.LoginText">
    <item name="android:textStyle">bold|italic</item>
</style>

Apply this style to your TextView as follows.

<TextView
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    style="@style/MyApp.TextAppearance.LoginText" />

Try this:

TextView textview = (TextView)findViewById(R.id.textview_idname);
textview.setTypeface(null,Typeface.BOLD);

try this to set your TextView style by java code

txt1.setTypeface(null,Typeface.BOLD_ITALIC);

Since I want to use a custom font only conjunction of several answers works for me. Obviously settings in my layout.xml like android:textStlyle="italic" was ignored by AOS. So finally I had to do as follows: in strings.xml the target string was declared as:

<string name="txt_sign"><i>The information blah blah ...</i></string>

then additionally in code:

TextView textSign = (TextView) findViewById(R.id.txt_sign);
FontHelper.setSomeCustomFont(textSign);
textSign.setTypeface(textSign.getTypeface(), Typeface.ITALIC);

I didn't try the Spannable option (which I assume MUST work) but

textSign.setText(Html.fromHtml(getString(R.string.txt_sign))) 

had no effect. Also if I remove the italic tag from strings.xml leaving the setTypeface() all alone it has no effect either. Tricky Android...

While using simplified tags with AndroidX consider using HtmlCompat.fromHtml()

String s = "<b>Bolded text</b>, <i>italic text</i>, even <u>underlined</u>!"    
TextView tv = (TextView)findViewById(R.id.THE_TEXTVIEW_ID);
tv.setText(HtmlCompat.fromHtml(s, FROM_HTML_MODE_LEGACY));

You have two options:

Option 1 (only works for bold, italic and underline):

String s = "<b>Bolded text</b>, <i>italic text</i>, even <u>underlined</u>!"
TextView tv = (TextView)findViewById(R.id.THE_TEXTVIEW_ID);
tv.setText(Html.fromHtml(s));

Option 2:

Use a Spannable; it is more complicated, but you can dynamically modify the text attributes (not only bold/italic, also colors).

And as explained here Android Developers String Resources if you need to use parameters in your styled text resource, you have to escape the opening brackets

<resources>
<string name="welcome_messages">Hello, %1$s! You have &lt;b>%2$d new messages&lt;/b>.</string>
</resources>

and call formatHtml(string)

Resources res = getResources();
String text = String.format(res.getString(R.string.welcome_messages), username, mailCount);
CharSequence styledText = Html.fromHtml(text);