My Android Solutions

Generate random number between 2 numbers

December 13, 2016

The following snippet will help you generate a random number in Java that is between 2 numbers (min and max). static Random random = new Random(); /** * Min is inclusive and max is exclusive in this case **/ public…

Android Navigation View With Tabs

July 13, 2016

Laura Suciu

Tutorial

android, CoordinatorLayout, material design, navigation view, navigationView, TabLayout, tabs, Toolbar

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In this tutorial we will create a simple app which has a NavigationView, a Toolbar with Tabs and a simple list of items, that are displayed for each selected tab. Tools used: Android Studio 2.2 Preview 4 Android Emulator 5x…

Android: CoordinatorLayout RecyclerView First Item not visible

July 9, 2016

Laura Suciu

Solutions

android, CoordinatorLayout, first item not visible, ListView, RecyclerView, Toolbar

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Problem I had to implement a Toolbar with tabs, together with CoordinatorLayout, and the content of each tab had to be a list of items, for which I used RecyclerView. But when I ran the app, the first item in the list was…

Android Studio can’t open Android Device Monitor

June 28, 2016

Laura Suciu

Solutions

android device monitor, can't open device monitor

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Problem Recently I had this issue: my Android Device Monitor didn’t open and and an error log file was generated every time I was tring to open it, under Android – sdk – tools – lib – monitor-x86_64 – configuration. Also, I have to…

Android AdMob With Firebase

June 21, 2016

Laura Suciu

Tutorial

admob, android, firebase, google-services.json

6

About Firebase First of all, you have to know that using AdMob with Firebase is optional, at least for now, and you can still integrate AdMob by importing compile ‘com.google.android.gms:play-services’ (like in this tutorial). But even if it is optional, it is recommended, as…

Android Gradle Dependencies by Flavors

June 20, 2016

Laura Suciu

Solutions

android, build types, dependencies, dependencies by build type, dependencies by flavors, flavors, Gradle

1

In a previous post about Gradle Flavors and Build Types, we mentioned that we can set different dependencies inside dependencies{} block by flavors, by build type or both combined. Below we will see an example for each situation. By flavors <flavorName>Compile apply…

Android About ConstraintLayout

June 20, 2016

Laura Suciu

Did You Know?

anchor, android, autoconnect, baseline, ConstraintLayout, constraints, inference

4

DID YOU KNOW about ConstraintLayout? Definition ConstraintLayout is a new type of layout introduced by Android, similar to RelativeLayout but more flexible, and it is used to position UI elements relative to other UI elements by using constraints. A constraint represent…

Android Free/Paid Versions Tutorial

June 18, 2016

Laura Suciu

Tutorial

android, flavors, free, free version, paid, paid version

2

There are situations when you might decide that you need to create 2 versions for your application: a free one and a paid one. So, in this tutorial, which is just a simple example (we will just set different colors…

Android ApplicationId vs PackageName

June 17, 2016

Laura Suciu

Did You Know?

android, ApplicatioId vs PackageName, ApplicationId, package, packageName

4

You might wonder what is the difference between package name we have in AndroidManifest.xml file and ApplicationId we see in build.gradle. They seem to be the same thing, but actually they are 2 different things. So if you didn’t know…