Here I want to talk about mock responses for your Retrofit. Sometimes we should continue mobile development even backend not ready. We can be never blocked on it if will use mock responses. Sure we need specify JSON response before starting. But we need only JSON format of the backend Read more…
Below you can find code which help you find if SIM card available in the device. There two solutions. One for Android API less than 22 and for Android API greater than or equal to 22. Problem that dualsim support added in API-22. And we should deal with devices which Read more…
Here is few lines how to get size of directory in Android. To get size of directory you need sum sizes of all files in this directory and subdirectories. So, we need recursion. long sizeOfCacheDir = getCacheDirSize(getCacheDir()); textViewSize.setText(“Cache dir size = ” + sizeOfCacheDir + ” bytes”); Where : private Read more…
Would you like the same progress View? Here is source code for simple viewsion without customisation from XML. package com.hrupin.samples.roundanimation; import android.content.Context; import android.content.res.Resources; import android.graphics.Canvas; import android.graphics.Color; import android.graphics.Paint; import android.graphics.RectF; import android.os.Bundle; import android.os.Parcelable; import android.util.AttributeSet; import android.view.View; /** * Created by Igor Khrupin www.hrupin.com on 03-05-2017. */ Read more…
Hey! Here is the case. We need build Android application, test it using Continuous Integration. After that we need upload APK to HockeyApp. The first part is well known. So, how to upload APK to HockeyApp using command line? I’ll refer you to HockeyApp API. To make any interaction with Read more…
I had to create logic which should arrange events properly on DayView timeline. I’ve researched many solutions in the internet and here is solution which can be easy implemented in Android. I’ve implemented this task visually like Google Calendar. Like this. Please have a look my solution. To draw the Read more…
GeofencingApi is great feature for making notifications when user enter to specific place on map and also exit from specific place. I’ve updated official GeofencingApi tutorial to make it more visual. Here application which able register geofence just after map click. Use it for register your place and test how Read more…
If you see this post then you probably have problem with running Android Service or other background activity in Xiaomi Redmi Note 3 phone. MIUI ROM usually kill background activity after 5-10 minutes user inactivity. So, how to make applications with location based or other services works with MIUI. For Read more…
Sometimes you don’t need huge menu. And int is’t super important create XML file for it. You can just create your menu from code. It is very simple. You need override ` public boolean onPrepareOptionsMenu(Menu menu) ` method. Let’s see the example below: @Override public boolean onPrepareOptionsMenu(Menu menu) { menu.clear(); Read more…
Android have great tool for tracking battery drain. It is Battery Historian. Here is simple steps how to get it on your Mac: Install Docker Run the next commands in Terminal docker pull gcr.io/android-battery-historian:2.1 docker — run -p 9999:9999 gcr.io/android-battery-historian:2.1 –port 9999 Open your http://localhost:9999 You will have Battery Historian ready Read more…