How Can I Log Exact JSON Requests in Retrofit 2?

Getting Exact JSON Requests with Retrofit 2 Logging

When attempting to log the exact JSON requests in Retrofit 2, it's common to encounter limitations with the default logging mechanism. The removal of setLog() and setLogLevel() methods from Retrofit 1 has introduced some challenges.

The solution lies in utilizing HttpLoggingInterceptor. To set it up:

1. Add the following dependency to your build.gradle file:

implementation 'com.squareup.okhttp3:logging-interceptor:4.11.0'

2. Configure your Retrofit object as follows:

HttpLoggingInterceptor interceptor = new HttpLoggingInterceptor();
interceptor.setLevel(HttpLoggingInterceptor.Level.BODY);
OkHttpClient client = new OkHttpClient.Builder().addInterceptor(interceptor).build();

Retrofit retrofit = new Retrofit.Builder()
        .baseUrl(API_URL)
        .client(client)
        .addConverterFactory(GsonConverterFactory.create())
        .build();

This solution provides logcat messages similar to those generated by setLogLevel(RestAdapter.LogLevel.FULL) in Retrofit 1.

Note: If you encounter java.lang.ClassNotFoundException, check the comments section for potential solutions involving older versions of Retrofit and logging-interceptor.

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