So if you ever need to get the screen size(width and height) programatically on Android, note that there are a few options out there. Please see below some of them. Get Android screen size from DisplayMetrics The following snippet helps you load the screen size in Android using the Display class. This is quite old, […]
Error:Execution failed for task ‘:Application:transformClassesWithDexForMyFlavorName’. > com.android.build.api.transform.TransformException: com.android.ide.common.process.ProcessException: org.gradle.process.internal.ExecException: Process ‘command ‘/Library/Java/JavaVirtualMachines/jdk1.7.0_79.jdk/Contents/Home/bin/java” finished with non-zero exit value 2 I had this error after updating the project to the latest Build Tools 23.0.0. After spending some hours on google to find a solution without any success, I tried to deactivate the Instant Run option from Preferences.
Here is a newer post about Android Studio productivity guide in case you are looking for that. This is just a small productivity A4 poster with MacOS IntelliJ IDEA and Android Studio key mapping that can be placed on your wall :).
Android has some helpful annotations in the support library so, in this post, I will show you an example of how to use @IntDef annotation. You can use this annotation (or @StringDef annotation) instead of Enum. Steps 1. Add your constants 2. Add the @IntDef annotation and between ({ }) paranthesis, declare your constants @IntDef({CONSTANT1, CONSTANT2, CONSTANT3}) 3. Add the @Retention
Yes, we can finally get rid of hardcoded values or nested layouts used in order to take advantage of layout_weight. Definition Percent Support Library is a new library introduced by Google, used to set the width, height and margins for a view, using percent (%). Usage In order to use this library you have to: 1.
If you need to use a “list” divider, but you need it on a vertical LinearLayout instead of a List you can do this by using some attributes on the LinearLayout. It’s not very straightforward as you maybe expected, but it’s not very difficult either. Before starting, you have to know the 2 major things this
In this tutorial we will see how to add tabs to a project by using TabLayout together with ViewPager, and some other new views from the design library :) Before starting I will make summary to present the main idea of creating the tabs. xml in the xml file, because we use TabLayout together with
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[vc_row height=”medium” color_scheme=”” us_bg_color=”” us_text_color=”” us_bg_image=”” us_bg_video=”0″][vc_column][vc_column_text]The previous tutorial about Floating Action Button implementation is now deprecated regarding that now, there is a support library from Android which makes the implementation of FAB more easier. You just have to add to dependencies the Design Library in your gradle file and this way, you can use the
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I needed an expandable list that would let us move item from a group to another. So I wrote this simple tutorial. It’s nothing difficult to achieve on your own, but I wanted to add this code here in case someone will need it. So, we will create an ExpandableList with items that can be moved
You might know about Realm, a fancy and practical storage option that one can use on Android. Realm is quite fast and it is really easy to work with but recently I had to parse some data from the webservice and I wanted to use GSON, the Android Json parser library. All works well if
[vc_row boxed_columns=”” section=”” vertical_centering=”” video=”” video_opts=”” multi_color_overlay=”” height=”medium” color_scheme=”” us_bg_color=”” us_text_color=”” us_bg_image=”” us_bg_video=”0″][vc_column animate=”afl” animate_delay=”0.2″][vc_column_text css_animation=”left-to-right”] Story I created a new simple project with a custom edit text without any logic (it just extends EditText). The code is the following: CustomEditText.java package com.example.customedittextcursor; import android.content.Context; import android.util.AttributeSet; import android.widget.EditText; /** * @author Diana Prața * Date:
Today I had an issue with onActivityResult() method which was not called inside a fragment. My first impulse was to move the method inside the activity that hosts the fragment, and that’s what I actually did. So, I ran my app in debug mode and when I saw that the breakpoint stopped in the onActivityResult method from
