Kotlin-Cheat-sheet | important elements | Android library

 by   mohamedebrahim96 Kotlin Version: Current License: No License

kandi X-RAY | Kotlin-Cheat-sheet Summary

kandi X-RAY | Kotlin-Cheat-sheet Summary

Kotlin-Cheat-sheet is a Kotlin library typically used in Mobile, Android applications. Kotlin-Cheat-sheet has no bugs, it has no vulnerabilities and it has low support. You can download it from GitHub.

You can have the most important elements close at hand — it is the best everyday support for Kotlin developer. Kotlin is a new programming language created by JetBrains and targeting the JVM, Android and the browser. Kotlin is concise, safe, and fully interoperable with existing Java and JavaScript code. Kotlin helps avoid common errors such as NPEs and strives to make programming more pleasant. At the Google I/O conference, Google has announced official support for Kotlin as a language for developing Android applications, meaning that Kotlin development tools are now bundled with Android Studio. This cheat sheet will introduce you to the most important elements of the Kotlin syntax. To learn more, visit the Kotlin web site here.
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            kandi-support Support

              Kotlin-Cheat-sheet has a low active ecosystem.
              It has 16 star(s) with 3 fork(s). There are 1 watchers for this library.
              OutlinedDot
              It had no major release in the last 6 months.
              Kotlin-Cheat-sheet has no issues reported. There are no pull requests.
              It has a neutral sentiment in the developer community.
              The latest version of Kotlin-Cheat-sheet is current.

            kandi-Quality Quality

              Kotlin-Cheat-sheet has 0 bugs and 0 code smells.

            kandi-Security Security

              Kotlin-Cheat-sheet has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.
              Kotlin-Cheat-sheet code analysis shows 0 unresolved vulnerabilities.
              There are 0 security hotspots that need review.

            kandi-License License

              Kotlin-Cheat-sheet does not have a standard license declared.
              Check the repository for any license declaration and review the terms closely.
              OutlinedDot
              Without a license, all rights are reserved, and you cannot use the library in your applications.

            kandi-Reuse Reuse

              Kotlin-Cheat-sheet releases are not available. You will need to build from source code and install.
              It has 58 lines of code, 6 functions and 3 files.
              It has high code complexity. Code complexity directly impacts maintainability of the code.

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            Kotlin-Cheat-sheet Key Features

            No Key Features are available at this moment for Kotlin-Cheat-sheet.

            Kotlin-Cheat-sheet Examples and Code Snippets

            No Code Snippets are available at this moment for Kotlin-Cheat-sheet.

            Community Discussions

            QUESTION

            Captured Image is not storing in android 11
            Asked 2022-Mar-02 at 10:46

            I'm unable to store captured image in (getExternalFilesDir(Environment.DIRECTORY_PICTURES)) Android 11 device.

            I have added in manifest and all file access also. But it's not working.

            ...

            ANSWER

            Answered 2021-Jul-31 at 10:25

            use this code for save captured image

            Source https://stackoverflow.com/questions/68600921

            QUESTION

            How to set Image resource for an Image view Dynamically in android using Data binding
            Asked 2021-Dec-31 at 10:36

            can someone let me know the right usage of populating image resource in Image view using Data Binding

            ...

            ANSWER

            Answered 2021-Dec-31 at 10:21

            You can use it in such way:

            Source https://stackoverflow.com/questions/70541212

            QUESTION

            Android: Iterative queue-based flood fill algorithm 'expandToNeighborsWithMap()' function is unusually slow
            Asked 2021-Dec-30 at 04:27

            (Solution has been found, please avoid reading on.)

            I am creating a pixel art editor for Android, and as for all pixel art editors, a paint bucket (fill tool) is a must need.

            To do this, I did some research on flood fill algorithms online.

            I stumbled across the following video which explained how to implement an iterative flood fill algorithm in your code. The code used in the video was JavaScript, but I was easily able to convert the code from the video to Kotlin:

            https://www.youtube.com/watch?v=5Bochyn8MMI&t=72s&ab_channel=crayoncode

            Here is an excerpt of the JavaScript code from the video:

            Converted code:

            ...

            ANSWER

            Answered 2021-Dec-29 at 08:28

            I think the performance issue is because of expandToNeighbors method generates 4 points all the time. It becomes crucial on the border, where you'd better generate 3 (or even 2 on corner) points, so extra point is current position again. So first border point doubles following points count, second one doubles it again (now it's x4) and so on.

            If I'm right, you saw not the slow method work, but it was called too often.

            Source https://stackoverflow.com/questions/70490938

            QUESTION

            Mandatory Consent for Admob User Messaging Platform
            Asked 2021-Dec-12 at 16:09

            I switched from the deprecated GDPR Consent Library to the new User Messaging Platform, and used the code as stated in the documentation.

            I noticed that when the user clicks on Manage Options then Confirm choices, ads will stop displaying altogether (Ad failed to load, no ad config), and I can't find anyway to check if the user didn't consent to the use of personal data.

            This is problematic as my app relies purely on ads, and I will be losing money if ads don't show up, so I want to make it mandatory for users to consent to the use of their personal data, otherwise the app should be unusable.

            I have made a test project on Github so everyone can test this behavior. If you are not using an emulator, then you need to change the "TEST_DEVICE_ID" to yours.

            How can I achieve this?

            ...

            ANSWER

            Answered 2021-Nov-02 at 17:50

            I found a workaround for this, but this is no final official solution.

            It seems that if a user consented to Personalized ads, a string in SharedPreferences, which key is IABTCF_VendorConsents, will contain ones and zeros corresponding to some vendors (I think). If he didn't consent, this string will be equal to 0.

            Source https://stackoverflow.com/questions/69307205

            QUESTION

            Huawei auth service integration with .net core 3.1, unable to validate JWT
            Asked 2021-Nov-12 at 17:04

            We have a react-native application running in production with firebase phone auth. Lately, we received feedback from users owning new Huawei devices not being able to authenticate with their phone numbers using firebase.

            Since a lot of users started having this issue, we decided to implement Huawei auth services only for devices under HarmonyOS and keep the regular firebase phone authentication for other users.

            After integrating the Huawei App Gallery Connect Auth SDK in our react-native app, we are able to receive the OTP and sign the user in using credentialWithVerifyCode and we are also able to retrieve the user's token using

            ...

            ANSWER

            Answered 2021-Nov-09 at 03:04

            You are advised to use the following method to validate the token.

            Source https://stackoverflow.com/questions/69891350

            QUESTION

            viewmodel factory class doesn't work after update lifecycle version
            Asked 2021-Nov-09 at 05:09

            I was using def lifecycle_version = "2.3.1" ,

            implementation("androidx.lifecycle:lifecycle-viewmodel-ktx:$lifecycle_version") .

            but I had to update version to def lifecycle_version = "2.4.0-alpha03" to use some features, but ViewModelProvider.Factory class doesn't work after I use def lifecycle_version = "2.4.0-alpha03".

            ...

            ANSWER

            Answered 2021-Nov-09 at 03:38

            QUESTION

            Android 12: How to prevent activity restart on changing phone wallpaper?
            Asked 2021-Nov-06 at 05:20

            On Android 12,

            1. If we open an activity

            2. Go to the home screen of the phone to change the wallpaper

            3. Switch back to our activity, the activity restarts.

            It seems it is related to the Material You theming.

            I would like to disable the restarting of activity when my app comes to the foreground. Is there a way?

            ...

            ANSWER

            Answered 2021-Oct-31 at 18:39

            It is a non-traditional configuration change. By "non-traditional", I mean that it cannot be blocked by android:configChanges — your activity will be destroyed and recreated whether you like it or not.

            If you have Configuration objects from before and after the change, you can determine that this scenario occurred by calling diff() on the newer Configuration to compare it to the older one:

            Source https://stackoverflow.com/questions/69741827

            QUESTION

            Why did Android Application start 3 times on single launch?
            Asked 2021-Nov-05 at 03:21

            I create an app from the template, and populate with some Logs as below

            ...

            ANSWER

            Answered 2021-Nov-05 at 03:21

            Apparently, it's an Android Studio filtering issue. I'm having the Tracking there to filter the log. And it shows multiple log of the same type.

            When I remove a character from the log, then the filter get corrected. After putting back the character, the filter is still okay.

            See the GIF below.

            Source https://stackoverflow.com/questions/69839732

            QUESTION

            Android: Resource linking fails on test execution even when nothing has been changed
            Asked 2021-Oct-18 at 21:34

            I'm starting to get errors when I am executing a test for a release variant which was always working fine. The code has always been executed in a Docker container so we can ensure that the build will always be clean.

            Today for some reason with no changes at all to the code, I am starting to see errors on the test run:

            ...

            ANSWER

            Answered 2021-Sep-03 at 11:31

            I've found the issue and I was able to fix it.

            The issue was that one of the external libraries the app depends on has a dependency on androidx.core:core-ktx:+ which meant that was always compiling with the latest version. My app is still working on SDK 28, but the latest version of androidx.core:core-ktx has the minimal SDK of 31, which resulted in this conflict.

            Source https://stackoverflow.com/questions/69019631

            QUESTION

            Library to change to fix Google app publish error; Billing Library version 3 in android studio
            Asked 2021-Sep-10 at 12:03

            While upload my app in Google playstore I get this error; We've detected this app uses an unsupported version of Play billing. Please upgrade to Billing Library version 3 or newer to publish this app.

            Below are the dependencies on my android studio app, which of them is the billing library to change?

            ...

            ANSWER

            Answered 2021-Sep-10 at 12:03

            You are using this library for InApp purchasing but this library says we have updated to V3 but Google play store warn about this library that library is not updated to V3 or V4

            Source https://stackoverflow.com/questions/69131336

            Community Discussions, Code Snippets contain sources that include Stack Exchange Network

            Vulnerabilities

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            Install Kotlin-Cheat-sheet

            You can download it from GitHub.

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