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dsibinski
dsibinski
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17 dni, 23 godziny, 32 minuty temu
25 stycznia, 2017
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Written by Dawid Sibińskion As you may know, in my MoneyBack Xamarin.Android application I’ve used SQLite as the local db management system. Recently I’ve added an ASP.NET Core web solution to my GitHub repository in order to create back-end API for my mobile app. I wanted to have database hosted on a remote server and Android application to synchronize its data with it. Then I started wondering… and decided to make a deeper research first. As I wrote in my post summing up DajSiePoznac2017 comp...

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Xamarin.Android – ASP.NET web api synchronization – research – Dawid’s blog

Architektura 10 dni, 23 godziny, 58 minut temu dsibinski 25 rozwiń

Written by Dawid Sibińskion I’ve recently been presented a concept of initializing the database (creating or re-creating it) with Unit Test method. Initially I thought it’s a non-sense, but after a while of taking a deeper look… The method of initializing the database I mentioned was used with Entity Framework Core in ASP.NET Core project, where Code First database creation approach was used. As you know, this approach implies that we create models (classes) representing our database entities i...

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Entity Framework Core – database initialization with Unit Test – Dawid’s blog

Web 73 dni, 12 godzin, 47 minut temu dsibinski 88 rozwiń

Written by Dawid Sibińskion It has just started… but yes, today is the last day of DajSiePoznac2017 and it’s officially my last blog post for the competition. It feels weird somehow… 😉 Time to sum it up! General feelings Today I can definitely say I feel proud of myself 🙂 Even though I could have made some of my posts published during the competition better. Even though I could have made my MoneyBack app developed during the project faaaaar more advanced. I already wrote in the beginning of ...

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DajSiePoznac2017 – summary – Dawid’s blog

Daj się poznać 2017 133 dni, 1 godzinę, 5 minut temu dsibinski 12 rozwiń

Written by Dawid Sibińskion In this short post, I’m going to show you a very handy feature of Android Debug Bridge (adb) – possibility to debug Xamarin.Android apps in Visual Studio via WiFi connection. Using ADB to debug Android apps By default, adb is configured to “map” Android devices connected via USB ports to the computer as debug devices, which are then available e.g. in Visual Studio as the device on which our app can be deployed and debugged. In may cases we debug apps on Android emulat...

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Xamarin.Android – debugging via WiFi – Dawid’s blog

Daj się poznać 2017 138 dni, 19 godzin, 57 minut temu dsibinski 20 rozwiń

Written by Dawid Sibińskion Today we’re going to see how to manage (keep and restore) state of Activities in Xamarin.Android application in order to keep the app consistent and reactive for configuration/state changes. Why to keep and restore Activity’s state? As I already described in my post about Android Activities, the OS may react to some “constant” state changes by calling lifecycle methods during Activity’s life, which may be overridden by the programmer in order to take some additional a...

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Managing Activity state changes using Bundle – Dawid’s blog

Daj się poznać 2017 138 dni, 19 godzin, 57 minut temu dsibinski 4 rozwiń

Written by Dawid Sibińskion In this post, we’re going to see how to provide a nice Android UI control for selecting the date using DatePickerDialog. The dialog looks as follows: DatePickerDialog It may be opened e.g. when clicking on a button in the app, as I used it in MoneyBack. Creating DatePickerFragment First of all, we will implement the dialog to be displayed within DialogFragment. Doing that our dialog will be able to be displayed as independent piece of UI on the top of any Activit...

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Date selection using DatePickerDialog in Xamarin.Android – Dawid’s blog

Daj się poznać 2017 139 dni, 17 godzin, 59 minut temu dsibinski 6 rozwiń

Written by Dawid Sibińskion In the 3rd post from SQLite-Net Extensions series we are covering the last type of relationship – one-to-many (and the opposite – many-to-one). One-to-many, many-to-oneOne-to-many relationships are used in general for parent-children or whole-elements relations. Classic examples are: bus and passengers, document and elements etc. One-to-many relationship means that the one-end entity knows about its children and many-end entity has a reference (foreign key) to its pa...

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SQLite-Net Extensions – one-to-many relationships – Dawid’s blog

Daj się poznać 2017 145 dni, 2 godziny, 22 minuty temu dsibinski 29 rozwiń

Written by Dawid Sibińskion In this second short post from SQLite-Net Extensions series, we’re going to see how to create one-to-one relationships using this tiny ORM. One-To-One This is the simplest type of database relationship. An example could be vehicle and registration certificate – each vehicle has one and only one registration certificate, and one registration certificate is associated with one and only one vehicle (excluding some extraordinary law rules in other countries that I don’t k...

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SQLite-Net Extensions – one-to-one relationships – Dawid’s blog

Daj się poznać 2017 148 dni, 14 godzin, 20 minut temu dsibinski 15 rozwiń

Written by Dawid Sibińskion In today’s post we’re going to see what is SQLite-Net Extensions ORM and how to use it to create many-to-many relationship in SQLite database. The other types of relationships will be described in separate posts. What is SQLite-Net Extensions ? As you develop any mobile app, sooner than later you need to keep your app’s data in some persistent storage. In my MoneyBack project I’ve chosenSQLite database using SQLite.NET library for performing operations on it. This is ...

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SQLite-Net Extensions – many-to-many relationships – Dawid’s blog

Daj się poznać 2017 148 dni, 14 godzin, 20 minut temu dsibinski 31 rozwiń

Written by Dawid Sibińskion In today’s post I’d like to present what’s the current status of works on MoneyBack application, 3 weeks before the end of DSP competition. In general, the project hasn’t been going as well as I expected and is currently not as advanced as I’d expect it to be at this stage. There are many reasons behind that, including lack of time recently and many issues met during development, however, as I already wrote in my DSP introducing post, the most important is to survive...

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MoneyBack – 3 weeks before the end of DSP – Dawid’s blog

Daj się poznać 2017 159 dni, 23 godziny, 6 minut temu dsibinski 6 rozwiń

After a short break in publishing DSP posts, we take a look on localization of Android applications. How to make your app's US translated into different languages? How to use different resources for different languages ? Come and see!

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Android Apps Localization – Dawid’s blog

Daj się poznać 2017 19 kwietnia 2017 20:51:00 GMT dsibinski 9 spam? rozwiń

Today we'll see what are the main Layout Types in Android app. It's important to know how to manage Layouts in order to create responsive UI for all kinds of devices.

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Android Layout Types – Dawid’s blog

Daj się poznać 2017 195 dni, 21 godzin, 28 minut temu dsibinski 20 rozwiń

Post describes usage of Intents in Android application. It covers how to navigate between Activities using Intent, as well as how to trigger external actions using Intents, e.g. phone dialer to call a phone number or email application to send an email. Come and see it!

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Xamarin – Android Intents – Dawid’s blog

Daj się poznać 2017 195 dni, 21 godzin, 28 minut temu dsibinski 22 rozwiń

Written by Dawid Sibińskion Today we’ll see how to add unit tests to Xamarin Android application, testing both platform-independtent logic and Android-specific features. Issue with unit tests in Visual Studio 2017 When I started to create my data access methods in MoneyBack, I really wanted to start writing even some basic unit tests of that logic. My first trial was to add a new project to my solution which contains unit tests. So I checked what kind of projects templates I have available and ...

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Unit Testing Xamarin application – Dawid’s blog

Daj się poznać 2017 203 dni, 10 godzin, 55 minut temu dsibinski 21 rozwiń

Written by Dawid Sibińskion I started to define development tasks to be done within MoneyBack project in the coming days (maybe I’ll even publish my Trello board soon 🙂 ) and it turned out that each functionality the app is going to offer needs persistent storage (e.g. to store people, payments, events etc.). The obvious choice is the local database in which I could store my entities and application’s data. In this post, I’d like to show you how quickly and easily SQLite database can be added ...

Using SQLite database in Xamarin.Android – Dawid’s blog

Daj się poznać 2017 19 marca 2017 22:35:30 GMT dsibinski 22 spam? rozwiń

Written by Dawid Sibińskion It’s been a really tough week, so today I have a non-technical post for you. I’m going to move on with the project this weekend, so I can put some technical stuff here tomorrow. If you don’t really care about productivity, organization of your days, planning of tasks to be done during next X days, this post is for you. I totally didn’t care as well, but I felt a bit disorganized, I knew I could do more or at least be conscious of what I’m able to do and what I’m not....

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Simple habits for better productivity – Dawid’s blog

Daj się poznać 2017 209 dni, 11 godzin, 23 minuty temu dsibinski 36 rozwiń

Written by Dawid Sibińskion If you’ve ever had any performance issues with your .NET applications, you may find this writing interesting. In this post I’d like to present to you a tool produced by JetBrains – dotTrace, showing how using only one of its functionalities can help in finding causes of performance issues in .NET applications. Performance issue on production Months ago some of your colleagues implemented an application and delivered it to the Customer. The app is “Countries and Citie...

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Solving performance issues with dotTrace – Dawid’s blog

Daj się poznać 2017 218 dni, 9 godzin, 10 minut temu dsibinski 35 rozwiń

Written by Dawid Sibińskion Today we’re going to take a look at Android’s most basic and in the same time most important concept, which is an Activity. To create even the simplest “HelloWorld” app one should to know what are the Activities and how to work with them.What is an Activity ? The simplest, an Activity is a single screen in Android application. The concept of Activities is unusual in programming and it’s specific to Android platform. Every Activity in Xamarin consists of two components:UI (...

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Xamarin – Android Activities – Dawid’s blog

Daj się poznać 2017 218 dni, 21 godzin, 11 minut temu dsibinski 23 rozwiń

Dawid Sibiński 0 comments dajsiepoznac2017, Xamarin This time I want to say “Hello” to Xamarin world. First thing that needs to be done before starting Xamarin development, is obviously the installation of all necessary components. In this post I want to share my feelings about the installation (not without issues of course), configuration of my Xamarin Android solution and deployment process to the device.Xamarin installation into Visual Studio 2015 I’ve created my account at xama...

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Hello Xamarin World – first steps – Dawid's blog

Daj się poznać 2017 224 dni, 19 godzin, 5 minut temu dsibinski 49 rozwiń

Dawid Sibiński 0 comments dajsiepoznac2017 Hello again 🙂 It’s been a short while, WROC# conference was held in the meantime (it was great, by the way), but it’s time to write again. Write about DSP. More precisely: about MoneyBack, my project for the competition. Today I’d like to share with you my idea for the application – what I require from it, what functionalities I imagine it to have and what technologies I want to use. This is going to be rather short post, I don’t want to sp...

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MoneyBack – requirements, functionalities and technologies – Dawid's blog

Daj się poznać 2017 226 dni, 9 godzin, 59 minut temu dsibinski 43 rozwiń

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