This post suggests that I add a line such as android:themeandroid:style. Fullscreen' : does not display the application title bar, and full screen android:theme'Theme.Light ': background is white. NOTE: I am testing on a old Samsung SGH-T499Y, running Android 2. I want to create a fullscreen Android application. : Unable to start activity ComponentInfo: : You need to use a Theme.AppCompat theme (or descendant) with this activity.Īt (ActivityThread.java:2669). Here is an extract from the error log: FATAL EXCEPTION: main The default Android Studio templates always add this attribute to entry. I created a new project, and made just this one change to it. When you use Theme.AppCompat in your application you can use FullScreenTheme by adding the code below to styles. Using the android:windowBackground attribute inside your theme is the basic. This is my first attempt at creating an Android app, so my app is hardly altered from the original Hello World example. If I remove the line, the app runs fine, but with the action bar and a title bar, as also noted by other users. Onboarding Screen in Fullscreen Mode In SAP Fiori design, all onboarding screens are in fullscreen mode. Add a button that on click will generate an AlertDialog. Below is the code for the activitymain.xml file. Navigate to the app > res > layout > activitymain.xml and add the below code to that file. When I do this, the app compiles but it crashes on launch. Step 2: Working with the activitymain.xml file.
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