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We select the view as before, but instead of using “check()” we use “perform()” because we want to perform some actions on the view. If the view is displayed, we want to type 3 letters as mentioned: onView( withId(R.id.content_main_start_text)).perform( clearText(), typeText( "Amr")) content_main_start_text)).check( matches(( isDisplayed()))) In this case, our check is that the view is visible, which means that the view visibility matches visible (displayed state): onView( withId(R.id. We also want to do some checks on it first so we use check(): onView( withId(R.id. To select a view, Espresso framework has a function called “onView()” and to state that we want to select it by its id, we use “withId()” onView( withId(R.id. package com.example class) public class TestMainActivity. You will notice that I added class)” to the code. Thank you.Create a new Java class, name it - in this case, I named it TestMainAcitivty, then open it. I'm aware this may not be the right place to post these questions, if so please show me another place where I can post my doubts. String message = intent.getStringExtra(TopRatedFragment.EXTRA_MESSAGE) ĭo I need to import new packages? Implement different methods? View rootView = inflater.inflate(R.agment_movies, container, false) Public class MoviesFragment extends Fragment View onCreateView(LayoutInflater inflater, ViewGroup container, Here's my code in the class of the second tab that would display the message: package

Problem is, my Fragment class doesn't seem to be able to use Intent, TextView or setContextView. Now I'm trying to make one button send a message from one tab and display it on another tab. When they started explaining how to change colours of Tabs in the Action Bar I figured first I had to learn how implement Tabs.ĪndroidHive taught me how to implement an Android Tab Layout with Swipeable Views, I couldn't put tabs in my first application and I had to start another one.

I've been learning to develop the most basic application with the Getting Started section of the Training for Android developers in the Official Android Documentation website.