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    Thursday, September 27, 2018

    Home Unlabelled Kotlin Programming: The Big Nerd Ranch Guide 384 pages Android Dev

    Kotlin Programming: The Big Nerd Ranch Guide 384 pages Android Dev

    September 27, 2018

    Kotlin Programming: The Big Nerd Ranch Guide 384 pages Android Dev

    Kotlin Programming: The Big Nerd Ranch Guide 384 pages

    Posted: 27 Sep 2018 06:25 AM PDT

    I recently purchased the kotlin programming book that i mention in the title and i noticed it has 384 pages instead of 480 that it suppose to have(Amazon, Google, etc mention 480 pages). I have contacted the seller and got a response that they have 20 books in the store and every single of them has 384 pages. They offered me a refund if i send the book back to them. What do you think i should do?

    If anyone knows a possible reason why the book has less pages than stated that would be helpful too.

    submitted by /u/Alexchar8
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    Emulator 28.0.10 Canary

    Posted: 27 Sep 2018 01:29 PM PDT

    New version of Cicerone 4.0.0!

    Posted: 27 Sep 2018 02:28 PM PDT

    Found android PCB viewer app on Github. Strange code? Malware?

    Posted: 27 Sep 2018 10:05 AM PDT

    TL;DR: Found android app on github, about to install, perms required location, thought weird, checked code, code is weird with references to licensing and obfuscation. Strange for open source project. Thought I might be overreacting, decided to post here and see what others thought. Is it weird? Malicious? Careless? Something else?

    Background: I am a general programmer with a background (in rough order) of: PHP, Java, JS/HTML/CSS (let's not debate whether those are programming), C#, VB6 (whee!) and various sysadmin-esque "languages" (bash, powershell, win batch, etc.)... I am by no means an Android-specific dev expert -- but I've done a few apps and understand a few things.

    Was looking for a PCB board viewer app (.sch/.brd) for android. Came across one open source on Github. Great!

    APK asked for location permission. I said huh, strange - why does it need that?

    Dug into the source. Up-front: I could be totally wrong and like way too paranoid about this. Which is why I bring the question to those more experienced than I am... :)

    Source has some weird code for an open source project.... Like a script called obfuscate.php that edits the source code or a part of the code that checks a license ... which is a function defined here and further calls a native cpp Jni export defined here

    Developer admits in Issue #1 "bad code quality"..... but this code is pretty complex!

    Maybe I'm crazy. Maybe it's nothing. It just felt really weird.

    Repo: https://github.com/etet100/android_pcb_assistant

    submitted by /u/kupowarkwark
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    App Banned on Google Play

    Posted: 27 Sep 2018 04:37 AM PDT

    Hi I received an email from Google Play that my app is banned Issue: Violation of Usage of Android Advertising ID policy and section 4.8 of the Developer Distribution Agreement. What exactly I have to do? I am using Crashlystics and Firebase Analytics I have no ads on it. would you please advice?

    submitted by /u/Albertooz
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    Introducing new APIs to improve augmented reality development with ARCore

    Posted: 27 Sep 2018 03:19 PM PDT

    Factors involved in app ranking

    Posted: 27 Sep 2018 08:59 AM PDT

    Hi i want to know. What factors are necessary for app ranking.

    submitted by /u/droidexpress
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    App failed to load content = more ad revenue?

    Posted: 27 Sep 2018 11:14 AM PDT

    I have just experienced a not-intuitive behavior (at least for me): from Monday to Wednesday my app had a bug where it could not load the content of one of its main areas. I expected that the ad revenue would be lower compared to the other weeks, but, to my surprise, it actually has increased.

    My main hypothesis is that users opened the app more to check if the problem was resolved or not, which lead to this increase. Anyone have experienced something similar, or has any other insight?

    submitted by /u/IconeI
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    University Final Year Project Ideas (Mobile Game)

    Posted: 27 Sep 2018 09:29 AM PDT

    Hi everyone,

    ​

    I am about to start my final year project at university in which I get to decide what I want to make and write my dissertation on. I still have about a week to decide on what I want to make but I'm currently stuck for ideas since I need a project that will be challenging enough to last for the majority of the academic year, but nothing too large that will take longer than that.

    ​

    There aren't too many restrictions on the project, the only rule is I have to develop a mobile game for either Android or iOS.

    ​

    I've emailed my supervisor and they suggested implementing features such as AI for single player games or some sort of multiplayer functionality.

    ​

    In summary, I'm just in need of some inspiration and I would appreciate any opinions/suggestions on what projects I could do.

    ​

    Many thanks!

    submitted by /u/DueSun
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    Project and Android volley

    Posted: 27 Sep 2018 04:09 PM PDT

    I proposed a project to my supervisor which is android based, the application involves server data being read and written to from the application. As it is an area I have not touched I am fearing that I may not complete the application. I have roughly 6-7 months to complete the application.

    With Good Java experience and zero android/android networking experience how would I go on about this?

    Android UI interactions I am not too worried.

    But android volley is there good tutorials ?

    Many Thanks

    submitted by /u/firedust0
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    Delay update after last call to method

    Posted: 27 Sep 2018 03:50 PM PDT

    I have class containing a widget data which can receive many callbacks in a short amount of time (eg: add 1 item 100 times). I want the widget to be updated only once, when no callback has been received for 100ms or so. However I also want the class to be unit testable, so I can't use Handler with postDelayed. What should I do? Use java.util.Timer?

    submitted by /u/rvkUJApH34uqa5Wh8M4K
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    Simplest project to learn LiveData/ViewModel usage with

    Posted: 27 Sep 2018 03:12 PM PDT

    Some simple app I can clone off of github and study the code of.

    Alternatively, you could link me to a comprehensive video/text tutorial. Something like this but without the Dagger stuff because that is something I'm not interested in (at least at this moment).

    submitted by /u/ASKnASK
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    TabLayout Crash issue

    Posted: 27 Sep 2018 03:02 PM PDT

    Here is my xml:

     <?xml version="1.0" encoding="utf-8"?> <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:app="http://schemas.android.com/apk/res-auto" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" tools:context="MYINFOREMOVED" android:background="#FFAAAA" > <android.support.v4.view.ViewPager android:id="@+id/viewPager" android:layout_width="match_parent" android:layout_height="match_parent"> <!--layout_gravity specifies where the TabLayout is drawn within the ViewPager. --> <android.support.design.widget.TabLayout android:id="@+id/tabLayout" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_gravity="top" app:tabMode="scrollable"> <android.support.design.widget.TabItem android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Dilwale Dulhania Le Jayenge" /> <android.support.design.widget.TabItem android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="The Shawshank Redemption" /> <android.support.design.widget.TabItem android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="The Godfather" /> <android.support.design.widget.TabItem android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Your Name." /> <android.support.design.widget.TabItem android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Schindler's List" /> <android.support.design.widget.TabItem android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Spirited Away" /> <android.support.design.widget.TabItem android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="The Godfather: Part II" /> <android.support.design.widget.TabItem android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="The Green Mile" /> <android.support.design.widget.TabItem android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Life Is Beautiful" /> <android.support.design.widget.TabItem android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="On My Skin" /> </android.support.design.widget.TabLayout> /> </android.support.v4.view.ViewPager> </RelativeLayout>

    When I am at the leftmost and attempt to scroll to the left I crash, and when I am at the rightmost and attempt to scroll to the right I crash. Any thoughts as to why this is happening?

    submitted by /u/YZYog
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    practices to make smaller APK

    Posted: 26 Sep 2018 11:14 PM PDT

    goodmorning devs, i would like to know how you trim down APK size, what changes you focus on, and how you see things differently.

    submitted by /u/pattagobi
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    (DJI) Streaming from Android to Media Server

    Posted: 27 Sep 2018 03:06 AM PDT

    Hey all,

    ​

    I have been working on an app for a DJI drone and want to implement a video stream to a media server (Kurento Media Server).

    I posted here a few weeks ago asking whether or not a foreground service was the correct way to send the stream and while that thread was very helpful I am unsure of how to proceed again.

    ​

    The way the DJI sdk works is that the live view from the drone is displayed with a TextureView. Now I know that there is a way to packetize and send a video from a TextureView using libstreaming. However I am not sure how/ where to implement this. If i stream from the service how can i access the TextureView var that is in the MainThread and displaying the live view of the drone camera.

    ​

    Can the TextureView be set as a global variable and if so can that be access in the service? If that's possible will it even be a live feed or just one frame from when the var is initialized in the servic? If that wont work is there another way to solve this problem that I haven't found yet?

    ​

    ​

    Thanks in advance for any help offered!

    submitted by /u/Squrrli
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    Up vs Back button implementation in Android Application

    Posted: 26 Sep 2018 10:43 PM PDT

    I remember that somewhere in the Android doc or medium article I read that "Up/Home action bar button is always the same as System back button if you're within the same app", is that correct? I tried an example but it's not working as expected.

    A,B,C are the activities. A is the parent activity of C and it's defined in AndroidManifest file. If application activity stack is: A-->B->C-> like this. What should happen if I press up button from Activity C?

    As per my understanding if you've launched the activity C from same task then it should go back to Activity B. It shouldn't go to Activity A. Can somebody explain it. Thanks

    EDIT: in case of Deeplink the activity C should go to A and system back should go to previous application from where you entered in this application (could be gmail, msg or other app).

    submitted by /u/johnspt12
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    If targeting Android P, you need to stick this in your manifest :/

    Posted: 27 Sep 2018 07:15 AM PDT

    Optimizing communications for DevOps teams working together in the same space - Alcatel-Lucent RAINBOW | Business Instant Messaging

    Posted: 27 Sep 2018 06:10 AM PDT

    I recently wrote about my experience in solving insufficient memory problem on our Android CI box. Would love to hear more thoughts/ideas on this.

    Posted: 26 Sep 2018 10:04 PM PDT

    FPS Shooter

    Posted: 27 Sep 2018 09:20 AM PDT

    Hello. I'm not sure if this is the right area for this post. I'm here to ask if any developer is willing to make a game like "Guns of Boom". The problem is that many of players want to move to a game like Guns of Boom, but there is no game like it.

    What we are looking for is a first person shooter with auto fire and aim assist. Since mobile games are ususally played with only two thumbs, the less buttons, the better. The auto fire removes one less button that needs tapping, and the aim assit helps a player focus more on spatial awareness. These two keys are what made this game so great. It made this shooter simple and easy to pick up.

    The reason why so many players want to leave this game is... there are so many problems. 1. They do not listen to their veterans' advice. 2. There are several bugs in the game, but they are more focused on releasing new content, which also has bugs. 3. Their IAP prices have skyrocketed. 4. There has been hacking tools available for over a year and they are now currently addressing it. 5. The matches lag and they always respond with "It must be your connection", which its not. 6. The matchmaking system is faulty. 7. Audio/sounds sometimes disappear during matches. 8. Item/guns take too long to aquire. Some people have been grinding over a year for a single weapon.

    As I stated, is there any developer willing to make a game so there is an alternative us players can switch to. Thank you.

    submitted by /u/001100001100
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