Given a string and a non-empty substring sub, compute recursively the number of times that sub appears in the string, without the sub strings overlapping. Java program to remove vowels from string using StringBuffer class, how to take space separated input in java, java replace substring between two strings, Java program to remove vowels from a string using switch case. It looks like there are two solutions to this problem using the AppCompat Theme. Replace #666666 with your selected color code for title background color and replace #000000 for your title text color. Questions: I´m trying to change the toolbar Background color programmatically by doing this: getSupportActionBar().setBackgroundDrawable(newColorDrawable(getResources().getColor(R.color.test_color_blue))); And this is the result: before: After: Some how the toolbar title still has the same background color as before. Found insideThe target audiences for this book include the following groups: Decision makers and solution architects considering Digital Experience as a platform for their internal or external facing website. but this question was about to change the title-color. Is it possible to change AppBar text color in my theme (AppCompat , The light theme expects your App Bar (Toolbar or ActionBar) to have a light background color, so it gives you a dark title and dark overflow  App bar title text is by default shows in plain white color. No prior knowledge of C++ is assumed and the book covers the fundamental aspects of the language for writing BlackBerry 10 apps. Kotlin Android Apps/Applications Mobile Development.