Generating Android app screenshot with Screengrab


Screengrab is a part of Fastlane. It can help us to generate screenshot with different languages.

Before you use Screengrab, you need to write UI test with Espresso. Because Screengrab capture screenshot through Espresso.

Create simple application are text view and button with two locales English and Thai.

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Testing elapsed time with Espresso IdlingResource


The original blog is Espresso: Elapsed time.

When do you need to write the test that needs to wait, you need to use IdlingResource. Because Espresso does not wait for you.

Create simple elapsed time application, with one button and one text view. When to clicking the start button, the number will run until click stop button.

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How to Testing your intent with Espresso


Android system uses intent for communication. Intent can contain information (component, action, category, data, extras and more). We can send the intent to other application and can get it from other application too.

In this blog we will create the simple application can take a photo and show photo in the image view.

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Android Push Notification using Firebase


Firebase

Firebase has tools and infrastructures to build the app. It contains a lot of features, in this blog we will take a look at how to setting up Android application for receive notification from Firebase Cloud Messaging.

If you are using Google Cloud Messaging, Google recommended to upgrading FCM, because FCM is a new version of GCM.

Setup

First, go to Firebase console, log in your account then click to create a new project, fill your project name and region.

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