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 by   oldprogram Java Version: Current License: No License

kandi X-RAY | Android Summary

kandi X-RAY | Android Summary

Android is a Java library. Android has no bugs and it has low support. However Android has 4 vulnerabilities and it build file is not available. You can download it from GitHub.

I have make an Android APP command-line development environment based on Linux system:.

            kandi-support Support

              Android has a low active ecosystem.
              It has 25 star(s) with 20 fork(s). There are 2 watchers for this library.
              It had no major release in the last 6 months.
              Android has no issues reported. There are no pull requests.
              It has a neutral sentiment in the developer community.
              The latest version of Android is current.

            kandi-Quality Quality

              Android has 0 bugs and 0 code smells.

            kandi-Security Security

              Android has 4 vulnerability issues reported (0 critical, 2 high, 2 medium, 0 low).
              Android code analysis shows 0 unresolved vulnerabilities.
              There are 0 security hotspots that need review.

            kandi-License License

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

            kandi-Reuse Reuse

              Android releases are not available. You will need to build from source code and install.
              Android has no build file. You will be need to create the build yourself to build the component from source.
              Android saves you 1610 person hours of effort in developing the same functionality from scratch.
              It has 3577 lines of code, 85 functions and 39 files.
              It has medium code complexity. Code complexity directly impacts maintainability of the code.

            Top functions reviewed by kandi - BETA

            kandi has reviewed Android and discovered the below as its top functions. This is intended to give you an instant insight into Android implemented functionality, and help decide if they suit your requirements.
            • Initializes the activity .
            • Called when an options item is selected .
            • Start discovery process .
            • On create options menu .
            • Notify listeners that a surface has changed .
            • Called when a surface holder is created .
            • Called when a surface is destroyed .
            Get all kandi verified functions for this library.

            Android Key Features

            No Key Features are available at this moment for Android.

            Android Examples and Code Snippets

            No Code Snippets are available at this moment for Android.

            Community Discussions


            There was a problem saving the text in EditText to a file
            Asked 2021-Jun-16 at 01:47

            This code receives information from an acquaintance you want to register in editText, and then clicks finButton to save the information you receive as a file called friendlist.txt. However, the Toast message is outputted from the try-catch statement that is currently performed when finButton is pressed. Also, the checkpermission does not work, which is wrapped in a try~catch statement, but does not have output on the logcat.

            And manifest.

            uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"

            uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"

            is written.

            Please let me know the solution. And this content is written with a translator, so the sentence can be strange.

            when you press finButton, the logcat is shown below.

            The code corresponding to the 116th line is this.

            FileOutputStream outstream = openFileOutput("friendList.txt", Activity.MODE_WORLD_WRITEABLE);




            Answered 2021-Jun-16 at 01:47

            Try with Context.MODE_APPEND or Context.MODE_PRIVATE instead of Activity.MODE_WORLD_WRITEABLE



            Disable overglow effect in ViewPager2
            Asked 2021-Jun-15 at 19:52

            Can not remove the glow effect on over-scroll in TabLayout with ViewPager2.

            I have tried android:overScrollMode="never" and android:fadingEdge="none" but it doesn't work.



            Answered 2021-Jun-15 at 19:09

            You're right, android:overScrollMode="never" is not disabling the over scroll effect. The respective issue created on the issue tracker:

            But you can try workaround, described in this answer.



            Android Studio - can't create an object (recyclerview)
            Asked 2021-Jun-15 at 19:45

            I'm following a tutorial about RecyclerView, but I can't write ct: the way he did. I typed in manually, but it does not work. I'm not sure how he typed it. He typed in this, then android studio writes ct: automatically. What do I need to type to do that?

            MyAdapter is a class I created for RecyclerView. Here is the code for that class:



            Answered 2021-Jun-15 at 19:45

            The little lighter colored "ct" prompt is just a visual aid and it does not always show up. When you provide a raw value as an argument, it will show the prompt (like this, 1, or "foo"). When you provide a variable for the argument like ctx, foo, etc, it does not show up. This goes for all functions that take arguments.

            The moral of the story is, it is not important and can be ignored.



            kotlin return type of nullable?.let{}
            Asked 2021-Jun-15 at 18:10

            I'm new to Kotlin and i'm playing a bit with android studio from few days. This is the class i'm dealing with:



            Answered 2021-Jun-15 at 18:10

            let returns the result of last expression inside it, in this case the value of builder.create(), a non-nullable AlertDialog.

            Since you use ?.let, if activity is null, let won't be called, and you will effectively have null ?: throw....

            builder.create() never returns null, so this throw expression is only reached when activity is null, so the error message doesn't make sense.



            collapsingtoolbarlayout recyclerview working separately
            Asked 2021-Jun-15 at 16:32

            Collapsing toolbar layout and the recycler view should work together while swiping but working separately. suggest to me what to do! given below are my code and resulting gif part of my project.

            the toolbar layout is not showing fully if I swipe the screen from bottom to top. the toolbar layout is closed and only return if I swipe to toolbar layout separately.

            i want to toolbar layout to be in the same manner when i swipe the screen up and down.

            Code of my layout



            Answered 2021-Jun-15 at 16:32


            Import compose sample projects to android studio version 4.2
            Asked 2021-Jun-15 at 15:23

            I'm trying to import compose sample projects, but I'm facing this error:



            Answered 2021-Jun-15 at 15:23

            The version 202.7660.26.42.7322048 is



            Security concern of using Firebase ID tokens for authentication on my custom backend
            Asked 2021-Jun-15 at 15:02

            I want to use firebase auth for my android and ios applications with custom backend. So I need some way of authentication for api calls from mobile apps to the backend.

            I was able to find following guide in firebase documentation which suggests to sent firebase id token to my backend and validate it there with firebase Admin SDK.

            But this approach does not seem to be a security best practice. For example here it is said that for API access one should use access tokens rather than id tokens.

            Are there any good pattern for using firebase auth with my backend?



            Answered 2021-Jun-15 at 15:02

            firebaser here

            Firebase itself passes the ID token with each request, and then uses that on the server to identify the user and to determine whether they're authorized to perform the operation. This is a common (I'd even say idiomatic) approach to authentication and authorization, and if there's a security risk that you've identified in it, we'd love to hear about it on

            From reading the blog post it seems the author is making a distinction between authentication (the user proving their identify) and authorization (them getting access to certain resources based on that identity), but it'd probably be best to ask the author for more information on why that would preclude passing an ID token to identify the user.



            error: cannot find symbol | class ApplicationComponent
            Asked 2021-Jun-15 at 15:02

            I am trying to work with Hilt injection in my project. I added the dependecies into my build.gradle file and then i created the the base application class, this class inherits from Applcication() and i annotated it with @HiltAndroidApp. After doing this i went ahead and rebuild the project for Hilt to generate the files but it give me this error.



            Answered 2021-Feb-16 at 13:11

            Upgrade your dagger-hilt dependencies to the same version.

            Your project's root gradle file

            classpath ""

            Your app level gradle file

            implementation ""

            kapt ""



            How does Kotlin coroutines manage to schedule all coroutines on the main thread without block it?
            Asked 2021-Jun-15 at 14:51

            I've been experimenting with the Kotlin coroutines in android. I used the following code trying to understand the behavior of it:



            Answered 2021-Jun-15 at 14:51

            This is exactly the reason why coroutines were invented and how they differ from threaded concurrency. Coroutines don't block, but suspend (well, they can do both). And "suspend" isn't just another name for "block". When they suspend (e.g. by invoking join()), they effectively free the thread that runs them, so it can do something else somewhere else. And yes, it sounds like something that is technically impossible, because we are in the middle of executing the code of some function and we have to wait there, but well... welcome to coroutines :-)

            You can think of it as the function is being cut into two parts: before join() and after it. First part schedules the background operation and immediately returns. When background operation finishes, it schedules the second part on the main thread. This is not how coroutines works internally (functions aren't really cut, they create continuations), but this is how you can easily imagine them working if you are familiar with executors or event loops.

            delay() is also a suspending function, so it frees the thread running it and schedules execution of the code below it after a specified duration.



            How can add a Row dynamically in flutter?
            Asked 2021-Jun-15 at 14:50

            My problem is that, I have a List of Icons(CustomWidgets) what are provide by an API. I need put this icons in my App but when the are 7 or more its looks like these:

            I want to put the icons in separate rows. I've tried out a method which split the list in 2 and add it dynamically but didn't print anything because I'm using a FutureBuilder to print the Icons.

            Here is the code:



            Answered 2021-Apr-16 at 01:34

            What I suggest is to use Wrap instead of Row in your case, widget will place in the 2nd row is not enough space

            THERE IS THE WAY TO DO IT:


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

            Install Android

            You can download it from GitHub.
            You can use Android like any standard Java library. Please include the the jar files in your classpath. You can also use any IDE and you can run and debug the Android component as you would do with any other Java program. Best practice is to use a build tool that supports dependency management such as Maven or Gradle. For Maven installation, please refer For Gradle installation, please refer .


            For any new features, suggestions and bugs create an issue on GitHub. If you have any questions check and ask questions on community page Stack Overflow .
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