Changing text size and style in action bar

Like me , I guess many of us want to show a different size and styled text in action bar. If you are using ToolBar its fairly easy but for all those old projects that still have Android’s action bar its a pretty hard work. But you can achieve this with the help of CustomView. Yes you can add a CustomView to your action bar. Apply your style on this custom view and add it to the action bar.

So lets create an example, here I want my Action bar title with center gravity and textSize of 15sp.

ActionBar bar = getSupportActionBar();
       if(bar!=null){
           TextView tv = new TextView(getApplicationContext());
           LayoutParams lp = new RelativeLayout.LayoutParams(
               LayoutParams.MATCH_PARENT, // Width of TextView
               LayoutParams.WRAP_CONTENT); // Height of TextView
           tv.setLayoutParams(lp);
           tv.setText(bar.getTitle());
           tv.setGravity(Gravity.CENTER);
           tv.setTextColor(Color.WHITE);
           tv.setTextSize(TypedValue.COMPLEX_UNIT_SP, 15);
           bar.setDisplayOptions(ActionBar.DISPLAY_SHOW_CUSTOM);
           bar.setCustomView(tv);
      }
}

ActionBar bar = getSupportActionBar();

if(bar!=null){

TextView tv = new TextView(getApplicationContext());

LayoutParams lp = new RelativeLayout.LayoutParams(

LayoutParams.MATCH_PARENT, // Width of TextView

LayoutParams.WRAP_CONTENT); // Height of TextView

tv.setLayoutParams(lp);

tv.setText(bar.getTitle());

tv.setGravity(Gravity.CENTER);

tv.setTextColor(Color.WHITE);

tv.setTextSize(TypedValue.COMPLEX_UNIT_SP, 15);

bar.setDisplayOptions(ActionBar.DISPLAY_SHOW_CUSTOM);

bar.setCustomView(tv);

}

And its done. But be careful as after this non of your setTitle() function will change the Title of your activity.

Aastha 21 December 2016

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Changing text size and style in action bar

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