JSONObject class has a method named “has”:
http://developer.android.com/reference/org/json/JSONObject.html#has(java.lang.String)
Returns true if this object has a mapping for name. The mapping may be NULL.
More Related Contents:
- No response from jsonArray request [closed]
- JSON Array iteration in Android/Java
- Difference between JSONObject and JSONArray
- How to Parse JSON Array with Gson
- How to parse json parsing Using GSON in android
- Android JSONObject – How can I loop through a flat JSON object to get each key and value
- JSON Parsing in Android [duplicate]
- How to parse JSON Array (Not Json Object) in Android
- Convert Json Array to normal Java list
- Retrofit Expected BEGIN_OBJECT but was BEGIN_ARRAY
- Sending a JSON HTTP POST request from Android
- Convert JSONArray to String Array
- Is it ok to save a JSON array in SharedPreferences?
- How can I parse this JSON in Android?
- Converting json string to java object?
- Using HttpClient and HttpPost in Android with post parameters
- Convert normal Java Array or ArrayList to Json Array in android
- how to send array of params using volley in android
- How to create JSON Object using String?
- Android how to sort JSONArray of JSONObjects
- How to use parameters with HttpPost
- How to Get JSON Array Within JSON Object?
- Android connection to localhost
- Value of type java.lang.String cannot be converted to JSONArray
- How to convert HashMap to json Array in android?
- How to send a String array as basic name value pair as HTTPPOST?
- How to parse with GSON when identifier has space in name
- Retrofit GSON serialize Date from json string into java.util.date
- JSONObject.toString: how NOT to escape slashes
- Parse JSON object with string and value only