Print formated json in log screen. it is useful we want to show json data in formatted style in log screen.

PrintFormattedJson.java

import android.util.Log;

import com.google.gson.JsonArray;
import com.google.gson.JsonElement;
import com.google.gson.JsonObject;
import com.google.gson.JsonPrimitive;

import java.util.Map;

public class PrintFormattedJson {

    private static final String TAG = PrintFormattedJson.class.getSimpleName();
    private static int count = 0;

    public static void printJson(JsonElement jsonElementRoot) {
        count++;
        if (jsonElementRoot instanceof JsonArray) {
            for (JsonElement jsonElement : jsonElementRoot.getAsJsonArray()) {
                printJson(jsonElement);
            }
        } else if (jsonElementRoot instanceof JsonObject) {
            for (Map.Entry<String, JsonElement> entry : jsonElementRoot.getAsJsonObject().entrySet()) {
                String key = entry.getKey();
                //Log.d(TAG, getSpace() + "Key: " + key);
                if (!(entry.getValue() instanceof JsonPrimitive)) {
                    Log.e(TAG, getSpace() + key);
                    printJson(entry.getValue());
                } else {
                    Log.d(TAG, getSpace() + key + " : " + entry.getValue().toString());
                }
            }
        } else {
            Log.d(TAG, getSpace() + jsonElementRoot.toString());
        }
        count--;
        return;
    }

    private static String getSpace() {
        StringBuilder stringBuilder = new StringBuilder();
        for (int i = 0; i < count; i++) {
            stringBuilder.append(" | ");
        }
        return stringBuilder.toString();
    }

}


/**
#Input Json#

{
  "coord": {
    "lon": -122.09,
    "lat": 37.39
  },
  "sys": {
    "type": 3,
    "id": 168940,
    "message": 0.0297,
    "country": "US",
    "sunrise": 1427723751,
    "sunset": 1427768967
  },
  "weather": [
    {
      "id": 800,
      "main": "Clear",
      "description": "Sky is Clear",
      "icon": "01n"
    }
  ],
  "base": "stations",
  "main": {
    "temp": 285.68,
    "humidity": 74,
    "pressure": 1016.8,
    "temp_min": 284.82,
    "temp_max": 286.48
  },
  "wind": {
    "speed": 0.96,
    "deg": 285.001
  },
  "clouds": {
    "all": 0
  },
  "dt": 1427700245,
  "id": 0,
  "name": "Mountain View",
  "cod": 200
}

#Output#

| coord
|  | lon : -122.09
|  | lat : 37.39
| sys
|  | type : 3
|  | id : 168940
|  | message : 0.0297
|  | country : "US"
|  | sunrise : 1427723751
|  | sunset : 1427768967
| weather
|  |  | id : 800
|  |  | main : "Clear"
|  |  | description : "Sky is Clear"
|  |  | icon : "01n"
| base : "stations"
| main
|  | temp : 285.68
|  | humidity : 74
|  | pressure : 1016.8
|  | temp_min : 284.82
|  | temp_max : 286.48
| wind
|  | speed : 0.96
|  | deg : 285.001
| clouds
|  | all : 0
| dt : 1427700245
| id : 0
| name : "Mountain View"
| cod : 200

**/