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update README docs with kotlin code [compatible with 7.0.0] #681

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kotlin doc for #Request Models
ibrahimAlii Dec 23, 2020
3758d63
kotlin doc for #Alias
ibrahimAlii Dec 23, 2020
080de11
kotlin doc for #GraphClient
ibrahimAlii Dec 23, 2020
b4155e1
kotlin doc for #Queries
ibrahimAlii Dec 23, 2020
23f4d8c
kotlin doc for #Mutations
ibrahimAlii Dec 23, 2020
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41 changes: 41 additions & 0 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -124,6 +124,15 @@ QueryRootQuery query = Storefront.query(new Storefront.QueryRootQueryDefinition(
})
```

**Kotlin**
```kotlin
val query = Storefront.query { query ->
query.shop { shop ->
shop.name()
}
}
```

In this example:

- `Storefront.query` is the entry point for building GraphQL queries.
Expand Down Expand Up @@ -238,6 +247,22 @@ Storefront.query(rootQueryBuilder ->
);
```

**Kotlin**
```kotlin
val query = Storefront.query { query ->
query.node(ID("NkZmFzZGZhc"), { nodeQuery ->
nodeQuery.onCollection { collectionQuery ->
collectionQuery.withAlias("collection").title().description()
}
}).node(ID("GZhc2Rm"), { nodeQuery ->
nodeQuery.onCollection { collectionQuery ->
collectionQuery.withAlias("product").title().description()
}
})
}
```


Accessing the aliased nodes is similar to a plain node:

```java
Expand Down Expand Up @@ -269,6 +294,22 @@ GraphClient.builder(this)
.build()
```

**Kotlin**
```kotlin
val okHttpClient = OkHttpClient.Builder()
.addNetworkInterceptor(HttpLoggingInterceptor().setLevel(BuildConfig.OKHTTP_LOG_LEVEL))
.build()

GraphClient.build(context, BuildConfig.SHOP_DOMAIN, BuildConfig.API_KEY) {
this.httpClient = okHttpClient
httpCache(context.cacheDir, configure = {
cacheMaxSizeBytes = 1024 * 1024 * 10
defaultCachePolicy = CACHE_FIRST.expireAfter(20, TimeUnit.MINUTES)
})
}
```


GraphQL specifies two types of operations: queries and mutations. The `GraphClient` exposes these as two type-safe operations, while also offering some conveniences for retrying and polling in each.

### Queries [⤴](#table-of-contents)
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@GaneshShetty951 GaneshShetty951 Nov 17, 2021

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I am facing this issue when use above code to create graphClient

java.lang.NoSuchMethodError: No static method create(Lokhttp3/internal/io/FileSystem;Ljava/io/File;IIJ)Lokhttp3/internal/cache/DiskLruCache; in class Lokhttp3/internal/cache/DiskLruCache; or its super classes (declaration of 'okhttp3.internal.cache.DiskLruCache' appears in /data/app/com.ganesh.shopify_test-wt4PKIJFzZqPmil4mqs4-w==/base.apk)

Expand Down