It should be noted that all the details related to styling are explained in previous tutorial articles.The difference between style and theme is that in the theme, the value we consider for a feature is considered for the whole page and activities, but in styling in separate tags, we give values for the attributes that apply only to that part.

How to style the application?

1- Create a file called Style and MinSDK 16.2- Open Build.gradle (app).3- Inside the dependencies, we put the codes inserted below.

dependencies {
compile fileTree (dir: 'libs', include: ['* .jar'])
androidTestCompile ('com. android. support.test. espresso: espresso-core: 2.2.2', {
exclude group: 'com. android. support', module: 'support-annotations'
})
compile 'com. android. support: appcompat-v7:26. +'
}


4- The appcompat library is added to the project by default.5- If the library is not entered by default, you must enter it manually by entering the codes listed below.

compile 'com. android. support: appcompat-v7:x.x'

- Go to File> Project Structure.7- In the app section, select the Modules option.8- Click the Add option, which is indicated by an (+) sign and select Library dependency.9- In this window, the list of libraries that exist in the SDK and have been added to the project is displayed. 

Read more on:https://www.dotnek.com/Blog/Apps/application-stylingimpact-and-performance-of

link:https://dotnek.mystrikingly.com/

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