Snippets

Get screen size programatically in Android

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, […]

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Solutions

Error:Execution failed for task ‘:Application:transformClassesWithDexFor

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.

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Tutorial

Android @IntDef Annotation Example

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

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Did You Know?

Did you know about Percent Support Library

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.

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Solutions, Tutorial

Android Set Horizontal Divider to a Vertical LinearLayout

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

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Tutorial

Android: Add Tabs using TabLayout

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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Tutorial

Android Countdown ProgressBar

[vc_row parallax_image=”” boxed_columns=”” section=”” vertical_centering=”” background=”” img=”” parallax=”” video=”” bg_type=”” parallax_style=”” bg_image_new=”” layer_image=”” bg_image_repeat=”” bg_image_size=”” bg_cstm_size=”” bg_img_attach=”” parallax_sense=”” bg_image_posiiton=”” animation_direction=”” animation_repeat=”” video_url=”” video_url_2=”” u_video_url=”” video_opts=”” video_poster=”” u_start_time=”” u_stop_time=”” viewport_vdo=”” enable_controls=”” bg_override=”” disable_on_mobile_img_parallax=”” parallax_content=”” parallax_content_sense=”” fadeout_row=”” fadeout_start_effect=”” enable_overlay=”” overlay_color=”” overlay_pattern=”” overlay_pattern_opacity=”” overlay_pattern_size=”” overlay_pattern_attachment=”” multi_color_overlay=”” multi_color_overlay_opacity=”” seperator_enable=”” seperator_type=”” seperator_position=”” seperator_shape_size=”” seperator_svg_height=”” seperator_shape_background=”” seperator_shape_border=”” seperator_shape_border_color=”” seperator_shape_border_width=”” icon_type=”” icon=””

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Tutorial

Android Floating Action Button (New Implementation)

[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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Did You Know?

Did you know about CoordinatorLayout?

[vc_row parallax_image=”” boxed_columns=”” section=”” vertical_centering=”” background=”” img=”” parallax=”” video=”” bg_type=”” parallax_style=”” bg_image_new=”” layer_image=”” bg_image_repeat=”” bg_image_size=”” bg_cstm_size=”” bg_img_attach=”” parallax_sense=”” bg_image_posiiton=”” animation_direction=”” animation_repeat=”” video_url=”” video_url_2=”” u_video_url=”” video_opts=”” video_poster=”” u_start_time=”” u_stop_time=”” viewport_vdo=”” enable_controls=”” bg_override=”” disable_on_mobile_img_parallax=”” parallax_content=”” parallax_content_sense=”” fadeout_row=”” fadeout_start_effect=”” enable_overlay=”” overlay_color=”” overlay_pattern=”” overlay_pattern_opacity=”” overlay_pattern_size=”” overlay_pattern_attachment=”” multi_color_overlay=”” multi_color_overlay_opacity=”” seperator_enable=”” seperator_type=”” seperator_position=”” seperator_shape_size=”” seperator_svg_height=”” seperator_shape_background=”” seperator_shape_border=”” seperator_shape_border_color=”” seperator_shape_border_width=”” icon_type=”” icon=””

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Tutorial

Android ExpandableList Move Item From Group to Another on Click

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

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Solutions

Android Custom Edit Text Cursor Not Visible

[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:

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