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

package com.example.mytest;

import android.app.Activity;
import android.graphics.Bitmap;
import android.graphics.Color;
import android.os.Bundle;
import android.text.TextUtils;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.TextView;

import org.json.JSONArray;
import org.json.JSONObject;
import org.w3c.dom.Text;

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 = array.length()-1; i >= 0; i--) {

                        JSONObject o = array.getJSONObject(i);

                        // Контейнер под 1 новость
                        LinearLayout newsContainer = new LinearLayout(getApplicationContext());
                        LinearLayout.LayoutParams newsContainerLayout =
                                new LinearLayout.LayoutParams(
                                        LinearLayout.LayoutParams.MATCH_PARENT,
                                        LinearLayout.LayoutParams.WRAP_CONTENT);
                        newsContainerLayout.bottomMargin = 20;
                        newsContainer.setLayoutParams(newsContainerLayout);
                        newsContainer.setBackgroundColor(Color.WHITE);
                        newsContainer.setOrientation(LinearLayout.VERTICAL);

                        // Заголовок новости
                        TextView caption = new TextView(getApplicationContext());
                        LinearLayout.LayoutParams captionLayout =
                                new LinearLayout.LayoutParams(
                                        LinearLayout.LayoutParams.MATCH_PARENT,
                                        LinearLayout.LayoutParams.WRAP_CONTENT);
                        captionLayout.setMargins(20, 20, 20, 20);
                        caption.setLayoutParams(captionLayout);
                        caption.setTextSize(20);
                        caption.setText(o.getString("Caption"));
                        caption.setPadding(0, 20, 0, 20);
                        caption.setTextColor(Color.rgb(50,50,50));
                        newsContainer.addView(caption);

                        // Текст новости
                        TextView preview = new TextView(getApplicationContext());
                        LinearLayout.LayoutParams previewLayout =
                                new LinearLayout.LayoutParams(
                                        LinearLayout.LayoutParams.MATCH_PARENT,
                                        LinearLayout.LayoutParams.WRAP_CONTENT
                                );
                        previewLayout.setMargins(20, 50, 20, 20);
                        preview.setLayoutParams(previewLayout);
                        preview.setText(o.getString("Preview"));
                        preview.setTextColor(Color.BLACK);
                        preview.setMaxLines(6);
                        preview.setEllipsize(TextUtils.TruncateAt.END);
                        newsContainer.addView(preview);

                        ImageView image = new ImageView(getApplicationContext());
                        LinearLayout.LayoutParams imageLayout =
                                new LinearLayout.LayoutParams(
                                        LinearLayout.LayoutParams.MATCH_PARENT,
                                        600
                                );
                        image.setLayoutParams(imageLayout);
                        image.setScaleType(ImageView.ScaleType.CENTER_CROP);
                        newsContainer.addView(image);

                        new ImageDownload(o.getString("Image"), image, context).start();

                        news.addView(newsContainer);

                    }
                } catch (Exception e) {
                    e.printStackTrace();
                }
            }
        });

    }

    @Override
    public void SetImage(final ImageView img, final Bitmap src) {
        runOnUiThread(new Runnable() {
            @Override
            public void run() {
                img.setImageBitmap(src);
            }
        });
    }

    @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();
            }
        });

    }
}