Answer: The primary constructor is part of the class header. Unlike Java, you don't need to declare a constructor in the body of the class. Here's an example:
ayushhgoyal
paulfranco
/ Kotlin Interview Questions.md
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April 24, 2025 17:23
florina-muntenescu
/ BaseDao.kt
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January 1, 2025 06:52
Use Dao inheritance to reduce the amount of boilerplate code - https://medium.com/google-developers/7-pro-tips-for-room-fbadea4bfbd1
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| /* | |
| * Copyright (C) 2017 The Android Open Source Project | |
| * | |
| * Licensed under the Apache License, Version 2.0 (the "License"); | |
| * you may not use this file except in compliance with the License. | |
| * You may obtain a copy of the License at | |
| * | |
| * http://www.apache.org/licenses/LICENSE-2.0 | |
| * | |
| * Unless required by applicable law or agreed to in writing, software |
ayushhgoyal
/ test_gcm.php
Last active
October 1, 2015 15:46
— forked from phpfiddle/fiddle_090817.php
[ Posted by Ayush ] This is php code to test android push notifications (GCM) online. Just replace API key and device ids. It will send a notification with key "alert". It can be executed here: http://phpfiddle.org/main/code/c12cf0475e97f3cf19c1 (Shortcut: F9)
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| <?php | |
| // API access key from Google API's Console | |
| define( 'API_ACCESS_KEY', 'AIzaSyDD5cwKE6O252bVA766Lyo2cQhG7RbShWA' ); | |
| $registrationIds = array("erKXJiDIdiY:APA91bE3N0Bfh6e7tpIT2qcHBD_vqg6ObMQHyrbXEAf6MQqeHcGSauArLzoQRvWb7VpHY_hReEdfw3WxU5Ybk95dWnGT2KAQmC9cHAajuDQx5kJu1Ic2QJKuu3vYNtuRAo6edfuMrbJj" ); | |
| // prep the bundle |
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| buildscript { | |
| repositories { | |
| mavenCentral() | |
| } | |
| dependencies { | |
| classpath 'com.android.tools.build:gradle:0.5.6' | |
| } | |
| } | |
| task wrapper(type: Wrapper) { |
ayushhgoyal
/ ChatHeadService.java
Last active
December 18, 2015 11:59
Facebook chat heads in android application.
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| // I forked this code from- http://www.piwai.info/chatheads-basics/ | |
| // Chat head is displayed from a service. | |
| // uses a permission: <uses-permission android:name="android.permission.SYSTEM_ALERT_WINDOW" /> | |
| // This is a service so it needs to be declared in manifest: <service android:name=".ChatHeadService" /> | |
| // Whenever you need to display the chat head, just start the service | |
| // example: startService(new Intent(context, ChatHeadService.class)); | |
| public class ChatHeadService extends Service { | |
| private WindowManager windowManager; |