Android461/app/src/main/java/com/example/mytest/MainActivity.java

package com.example.mytest;

import android.app.Activity;
import android.graphics.Color;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.LinearLayout;
import android.widget.TextView;

import org.json.JSONArray;
import org.json.JSONObject;

public class MainActivity extends Activity implements Interface {

    private Interface context;

    @Override
    public void Main(final JSONArray array) {

        runOnUiThread(new Runnable() {
            @Override
            public void run() {

                LinearLayout news = findViewById(R.id.newContainer);

                try {
                    for (int i = 0; i < array.length(); i++) {

                        JSONObject o = array.getJSONObject(i);

                        TextView caption = new TextView(getApplicationContext());

                        if (o.has("Caption")) {
                            caption.setText(o.getString("Caption"));
                            caption.setPadding(0, 20, 0, 20);
                            caption.setTextColor(Color.RED);
                            news.addView(caption);
                        }
                    }
                } catch (Exception e) {
                    e.printStackTrace();
                }
            }
        });

    }

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        context = this;

        Button button = findViewById(R.id.button);
        button.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                API api = new API();
                api.url = "https:/ktk-45.ru/news";
                api.param = "{\"Page\": 0,\"Limit\": 10}";
                api.context = context;
                api.start();
            }
        });

    }
}