How to fix “‘org.json.JSONException’ exception Expected literal value at character” in your Android App Java code?

In this video it shows the steps to fix the error – ‘org.json.JSONException’ exception Expected literal value at character 65 of …

In this demonstration it first reproduces the issue by introducing an erroneous comma (,) at the end of the JSON string and then shows the fix by removing it.

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Complete source code and other details:

package com.programmerworld.jsonexceptionerrorapp;



import androidx.appcompat.app.AppCompatActivity;



import android.os.Bundle;

import android.view.View;

import android.widget.TextView;



import org.json.JSONException;

import org.json.JSONObject;



public class MainActivity extends AppCompatActivity {

    private String stringJSON = "{\n" +

            "    \"fruit\": \"Apple\",\n" +

            "    \"size\": \"Large\",\n" +

            "    \"color\": \"Red\"\n" +

            "}";

    private TextView textView;

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_main);

        textView = findViewById(R.id.textView);

    }

    public void buttonReadJSON(View view){

        try {

            JSONObject jsonObject = new JSONObject(stringJSON);

            textView.setText(jsonObject.getString("fruit"));

        } catch (JSONException e) {

            textView.setText(e.toString());

        }

    }

}

<?xml version="1.0" encoding="utf-8"?>

<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"

    xmlns:app="http://schemas.android.com/apk/res-auto"

    xmlns:tools="http://schemas.android.com/tools"

    android:layout_width="match_parent"

    android:layout_height="match_parent"

    tools:context=".MainActivity">



    <TextView

        android:id="@+id/textView"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:text="Hello World!"

        android:textSize="24sp"

        app:layout_constraintBottom_toBottomOf="parent"

        app:layout_constraintEnd_toEndOf="parent"

        app:layout_constraintHorizontal_bias="0.498"

        app:layout_constraintStart_toStartOf="parent"

        app:layout_constraintTop_toTopOf="parent"

        app:layout_constraintVertical_bias="0.19" />



    <Button

        android:id="@+id/button"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:layout_marginStart="144dp"

        android:layout_marginTop="32dp"

        android:onClick="buttonReadJSON"

        android:text="Read JSON"

        app:layout_constraintStart_toStartOf="parent"

        app:layout_constraintTop_toTopOf="parent" />



</androidx.constraintlayout.widget.ConstraintLayout>

Screenshots:

Error:

Corrected:

Sample JSON:

{

    "fruit": "Apple",

    "size": "Large",

    "color": "Red"

}