Most of the Android Apps are free with either Bottom-Bar ads or Top-Bar ads. Top-Bar is also called a Header. Bottom-Bar is called a Footer. The place or space in between is called the Body. We can place ads, menu, navigation-bar and other components inside this fixed top or bottom layout. Let us see how to implement an Android Header-Body-Footer layout using a RelativeLayout and a ScrollView.
Each Android Activity has a toolbar or Action Bar. On the Home screen, we may not see or need a Back-Button. But, on inner activities or screens, we need to show Back-Button arrow or Up button at the top-left position. Let us know how to show the Android toolbar back button, change Color and Shape in the Android studio programmatically. We try to click it and go back to the parent activity. Eventually, we solve the problem of the Not-Showing or Not-working Android Toolbar.
Every Android Activity has a Toolbar or Action-Bar supplied by default by the parent theme "Theme.AppCompat.Light.DarkActionBar". You can find it inside the "styles.xml" file. This theme or style is applied for every Android project created using the available templates. Let us solve this Android exception problem "java.lang.IllegalStateException: This Activity already has an action bar supplied by the window decor.
Splash Screen improves look and feel of an Android App. It creates a feeling of Professional Well Built App. Let us create a Splash Screen in Android step by step.
Learn Java basics before diving into Android for fast coding and development.
