Run the application to launch Android emulator and verify the result of the changes done in the aplication.įollowing is the content of the modified main activity file src//MainActivity.java: package com. Modify the detault content of res/layout/activity_main.xml file to include both the fragments.ĭefine required constants in res/values/strings.xml file (UI components and how to build a layout will be. In other words, it is responsible for creating a window to hold your UI components. Activity is the part where the user will interacts with your application. Here we will check orientation of the device and accordingly we will switch between different fragments.Ĭreate a two java files PM_Fragment.java and LM_Fragement.java under the package to define your fragments and associated methods.Ĭreate layouts files res/layout/lm_fragment.xml and res/layout/pm_fragment.xml and define your layouts for both the fragments.< In this first article we will talk about activities, fragments, show example codes, and look at the lifecycle of the Android application. Modify main activity file MainActivity.java as shown below in the code. You will use Eclipse IDE to create an Android application and name it as MyFragments under a package, with blank Activity. I have an activity and I use 1 menu, when I replace one fragment with another, some menu items will be invisible or visible. This is typically used for displaying an alert dialog, a confirm dialog, or prompting the user for information within an overlay without having to switch to another Activity. So let's follow the following steps to similar to what we followed while creating Hello World Example: Step DialogFragment is a specialized Fragment used when you want to display an overlay modal window within an activity that floats on top of the rest of the content. On the left, a large screen contains a navigation drawer that is controlled by the activity and a grid list that is controlled by the fragment. Here we will create two fragments and one of them will be used when device is in landscape mode and another fragment will be used in case of portrait mode. Two versions of the same screen on different screen sizes. This example will explain you how to create your own Fragments. Return the FragmentManager for interacting with fragments associated with this activity.
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