google-gson | Java library to convert JSON | JSON Processing library
kandi X-RAY | google-gson Summary
kandi X-RAY | google-gson Summary
Gson is a Java library that can be used to convert a Java object into its JSON representation. It can also be used to convert a JSON string into an equivalent Java object. Gson can work with arbitrary Java objects including pre-existing objects that you do not have source-code of. Complete Gson documentation is available at its project page
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Top functions reviewed by kandi - BETA
- Serialize a map
- Serialize an object to JSON
- Transforms a Type into an array of type arguments
- Create parameterized type handlers map
- Register the given map with the given type map
- Enable the serialized map key serialization
- Registers a type adapter with the given base type
- Reads a raw object
- Skips the next value recursively
- Creates a new Gson instance
- Register default type adapters for a date pattern
- Creates default deserializers
- Visit a field using custom serializer
- Returns the integer value from the next token
- Compares this object to another
- Reads a map from the given JSON reader
- Deserializes the default value from JSON
- Visits an array field
- Create a new TypeAdapter from the given MiniGson
- Deserialize a JSON element
- Visits a field via the custom handler
- Create default constructor creators map
- Translates the target field name
- Visits an array of objects
- Reads the component type
- Create a new UnsafeAllocator
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google-gson Examples and Code Snippets
Community Discussions
Trending Discussions on google-gson
QUESTION
I have been working on a project for a couple of months integrating gstreamer to a basic react-native Android app. The starting point was react-native-gstreamer but with a number of modifications to the gstreamer pipeline etc.
My debug builds (created with yarn android or ./gradlew assembleDebug) have been working reliably, on emulated and real devices, but I can't get a release build / signed APK ./gradlew assembleRelease to work. The build scan showing the error (created with ./gradlew assembleRelease --scan, doesn't appear to contain any sensitive information?) is at scans.gradle.com. The error I am stuck on is
C:\Temp\MyApp\app\intermediates\project_dex_archive\release\out\org\freedesktop\gstreamer\GStreamer.dex: D8: Type org.freedesktop.gstreamer.GStreamer is defined multiple times: C:\Temp\MyApp\app\intermediates\project_dex_archive\release\out\org\freedesktop\gstreamer\GStreamer.dex, C:\Temp\MyApp\react-native-gstreamer.transforms\b22258b54d8d354026f3fb18b0251db4\transformed\classes\classes.dex com.android.builder.dexing.DexArchiveMergerException: Error while merging dex archives:
Learn how to resolve the issue at https://developer.android.com/studio/build/dependencies#duplicate_classes.
I'm new to Android development (experienced C++/Python mainly), so I could be missing something obvious, this seems to be a common issue (see below) but the link in the error doesn't help me and the solutions I have found have not worked.
The most likely cause that I can't pin down is some sort of dependency clash, similar to this issue also, but I don't have lots of dependencies, it seems specifically related to gstreamer, and I don't know where to dig further to find the clash.
./gradlew app:dependencies doesn't show any obviously bad dependencies. react-native-gstreamer has a dependency on com.facebook.react:react-native:+ -> 0.63.4 (*) and doesn't appear in any other context in the dependencies (i.e. the above dependency appears a few times in the output, but react-native-gstreamer isn't a dependency of other packages and doesn't have other dependencies and there are no other occurrences of gstreamer)
Similar errors elsewhere on stackoverflow and solutions which I have unsuccessfully tested:
- Delete gradle folder - fault still occurs
- Enable multiDex in build.gradle - fault still occurs (note minSdkVersion is set to 21, so some messages suggest this should not be necessary, but tried anyway)
- Similar to this but I am not aware of any dependency
- ./gradlew clean and ./gradlew assembleRelease - fault still occurs
- Various solutions
- look at the path given in AS, it should point to \app\build\intermediates\project_dex_archive\debug\out. Go to this path, delete all the *.jar files, leaving the most recent one - fault still occurs (removed file is recreated on next build)
- Delete the build directory (C:/Temp/MyApp above) - fault still occurs
- Multidex changes - it looks like this is now outdated for minSdkVersion >= 21, no upvotes and one comment that it didn't fix the original poster's problem, not tested.
ANSWER
Answered 2022-Jan-12 at 18:48The error message mentions two dex sources which contain the org.freedesktop.gstreamer.GStreamer class:
- C:\Temp\MyApp\app\intermediates\project_dex_archive\release\out\org\freedesktop\gstreamer\GStreamer.dex
- C:\Temp\MyApp\react-native-gstreamer.transforms\b22258b54d8d354026f3fb18b0251db4\transformed\classes\classes.dex
First source's project_dex_archive folder generally contains output artifacts which were built from project source files. Is it possible that your app module contains GStreamer.java source file?
If yes - then it might be the root cause of the conflict, since you're most likely have similar artifact packaged in a third party dependency (the second dex source: react-native-gstreamer).
QUESTION
In the last couple of days, I have gone through some unmet dependencies issues while upgrading. I tried to install those packages separately but couldn't come up with a solution.
I know one solution that is to remove the antivirus from the system. But I'm not permitted for me to remove the antivirus. I want another solution without removing anti-virus from the system.
It shows while unpacking the package:
...ANSWER
Answered 2022-Jan-08 at 18:18Here is the solution that works for me:
Basically, Antivirus prevents the installation of the packages as my system has already one (McAfee agent).
First of all, I checked the status of the antivirus with the following commands if it is running or not:
QUESTION
I created a maven project with IntelliJ IDEA, following a tutorial.
The tiny project in JDK11 is to demo (for myself) how com.google.code.gson serializes an object to a json string.
This project's POM is:
...ANSWER
Answered 2021-May-16 at 03:10You need to tell maven to include the dependencies. When IntelliJ runs it for you, it adds all the dependencies to the classpath, which is why it works from IntelliJ.
If you run mvn package and unzip the resulting jar with your updated pom.xml, you will see the dependencies are still not included.
The reason for this is that you need to put
QUESTION
The code is based on the following link: Link
I'm getting a run time exception:
java.lang.UnsupportedOperationException: JsonObject when running the following code:
ANSWER
Answered 2020-Nov-03 at 17:38JsonElement::getAsString() only works for json primitives. Primitives are strings, numbers and booleans. Your json instance is a JsonObject and thus not a primitive which means there's no implementation for getAsString() which returns a meaningful value.
From the tutorial, you actually should do json.get("name").asString.
json.get("name") will return the name element which is of type JsonPrimitive -> a json primitive on which you can call getAsString().
For further clarification, this is the content of json:
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Install google-gson
You can use google-gson 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 google-gson 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 maven.apache.org. For Gradle installation, please refer gradle.org .
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