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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.

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 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);

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"

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).

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

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

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

android:textStyle="bold"
TextView text = (TextView)findViewById(R.layout.textName);
text.setTypeface(null,Typeface.BOLD);

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.

try this to set your TextView style by java code

txt1.setTypeface(null,Typeface.BOLD_ITALIC);

Try this:

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

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

Try this:

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

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" />

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); 
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)

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);

You can try like this:

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

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));

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...

In my case:

1 - set text

2 - set typeface

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

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));

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.

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);
//leveraging the extension functions
fun TextView.makeBold(){
    this.setTypeface(this.typeface,Typeface.BOLD)
}


yourTextView.makeBold()

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

Use above method to set the typeface programmatically.

1) You can set it with TypeFace. 2) You can directly use This is my italics string This is my underlined string 这是我的斜体字符串这是我的下划线字符串

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