JSONRaw

• gradle

implementation 'com.google.code.gson:gson:2.8.5'

• MainActivity.java

String myJson = GblFunction.readFile(MainActivity.this, "raw/my_json.json");
ResponseData myModel = new Gson().fromJson(myJson, ResponseData.class);

((TextView) findViewById(R.id.tv1)).setText(myModel.getList().get(0).getName());
((TextView) findViewById(R.id.tv2)).setText(myJson);

• ResponseData.java & ListItem.java

• raw/my_json.json

  • make this file in assets/raw.
  • (left click in) app->new->folder->Assets Folder
  • make manual folder search with click Show in explorer in assets

{
  "list": [
    {
      "name": "Faraz Khonsari",
      "age": 24
    },
    {
      "name": "John Snow",
      "age": 28
    },
    {
      "name": "Alex Kindman",
      "age": 29
    }
  ]
}

• GblFunction.java

public class GblFunction {

    public static String readFile(Activity activity, String fileName) {
        BufferedReader reader;
        StringBuilder content = new StringBuilder();
        try {
            reader = new BufferedReader(new InputStreamReader(activity.getAssets().open(fileName), "UTF-8"));
            String line;
            while ((line = reader.readLine()) != null) {
                content.append(line.trim());
            }
        } catch (IOException e) {
            e.printStackTrace();
        }

        return content.toString();

    }
}

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Copyright 2021 M. Fadli Zein