RadioMercure/app/src/main/java/fr/svpro/radiomercure/MainActivity.java

package fr.svpro.radiomercure;

import androidx.annotation.NonNull;
import androidx.appcompat.app.AppCompatActivity;
import androidx.core.app.ActivityCompat;

import android.Manifest;
import android.app.Activity;
import android.app.DownloadManager;
import android.content.ActivityNotFoundException;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.media.AudioManager;
import android.media.MediaPlayer;
import android.net.Uri;
import android.os.Build;
import android.os.Bundle;
import android.os.Environment;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.webkit.CookieManager;
import android.webkit.DownloadListener;
import android.webkit.URLUtil;
import android.webkit.WebSettings;
import android.webkit.WebView;
import android.webkit.WebViewClient;
import android.widget.Toast;

import java.io.IOException;

public class MainActivity extends AppCompatActivity {

    private static final int WRITE_EXTERNAL_STORAGE_RC = 100;
    private WebView web;
    private String url, userAgent, contentDisposition, mimeType;
    private Menu menu;

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

        this.getSupportActionBar().setTitle(R.string.app_title);

        web = findViewById(R.id.wv);
        web.loadUrl("https://www.radiomercure.fr");
        web.getSettings().setJavaScriptEnabled(true);
        web.getSettings().setAllowFileAccess(true);
        web.getSettings().setAllowFileAccessFromFileURLs(true);
        web.getSettings().setAllowUniversalAccessFromFileURLs(true);
        web.getSettings().setAppCacheEnabled(true);
        web.getSettings().setDatabaseEnabled(true);
        web.getSettings().setDomStorageEnabled(true);
        web.getSettings().setCacheMode(WebSettings.LOAD_DEFAULT);
        web.getSettings().setAppCachePath(web.getContext().getCacheDir().getAbsolutePath());
        web.getSettings().setUseWideViewPort(true);
        web.getSettings().setLoadWithOverviewMode(true);
        web.getSettings().setLayoutAlgorithm(WebSettings.LayoutAlgorithm.SINGLE_COLUMN);
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
            web.getSettings().setAllowFileAccessFromFileURLs(true);
        }

        web.setDownloadListener(new DownloadListener() {
            @Override
            public void onDownloadStart(String url, String userAgent, String contentDisposition,
                                        String mimeType, long contentLength) {
                MainActivity.this.url = url;
                MainActivity.this.userAgent = userAgent;
                MainActivity.this.contentDisposition = contentDisposition;
                MainActivity.this.mimeType = mimeType;

                String permission = Manifest.permission.WRITE_EXTERNAL_STORAGE;
                if (ActivityCompat.checkSelfPermission(MainActivity.this, permission)
                        != PackageManager.PERMISSION_GRANTED) {
                    ActivityCompat.requestPermissions(MainActivity.this,
                            new String[]{Manifest.permission.WRITE_EXTERNAL_STORAGE},
                            WRITE_EXTERNAL_STORAGE_RC);
                } else {
                    TelechargemntPodcast();
                }
            }
        });

    }

    private void TelechargemntPodcast() {
        DownloadManager.Request request = new DownloadManager.Request(Uri.parse(url));

        request.setMimeType(mimeType);
        //------------------------COOKIE!!------------------------
        String cookies = CookieManager.getInstance().getCookie(url);
        request.addRequestHeader("cookie", cookies);
        //------------------------COOKIE!!------------------------
        request.addRequestHeader("User-Agent", userAgent);
        request.setDescription("Téléchargement...");
        request.setTitle(URLUtil.guessFileName(url, contentDisposition, mimeType));
        request.allowScanningByMediaScanner();
        request.setNotificationVisibility(DownloadManager.Request.VISIBILITY_VISIBLE_NOTIFY_COMPLETED);
        String fileName = URLUtil.guessFileName(url, contentDisposition, mimeType);
        request.setDestinationInExternalPublicDir(Environment.DIRECTORY_DOWNLOADS, fileName);
        DownloadManager dm = (DownloadManager) getSystemService(DOWNLOAD_SERVICE);
        dm.enqueue(request);

        Toast.makeText(getApplicationContext(), "Téléchargement de " + URLUtil.guessFileName(url, contentDisposition, mimeType), Toast.LENGTH_LONG).show();
    }

    @Override
    public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions,
                                           @NonNull int[] grantResults) {
        super.onRequestPermissionsResult(requestCode, permissions, grantResults);
        if (requestCode == WRITE_EXTERNAL_STORAGE_RC) {
            if (grantResults[0] == PackageManager.PERMISSION_GRANTED) {
                TelechargemntPodcast();
            }
        }
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        getMenuInflater().inflate(R.menu.option,menu);
        return super.onCreateOptionsMenu(menu);
    }

    @Override
    public boolean onOptionsItemSelected(@NonNull MenuItem item) {
        int id = item.getItemId();
        switch (id){
            case R.id.refresh:
                web.clearCache(true);
                web.reload();
                Toast.makeText(this, "Rechargement...", Toast.LENGTH_SHORT).show();
                return true;

            case R.id.exit:
                System.exit(0);
                return true;

            default:
                return super.onOptionsItemSelected(item);
        }
    }

    @Override
    public void onBackPressed() {
        if (web.canGoBack()) {
            web.goBack();
        } else {
            super.onBackPressed();
            System.exit(0);
        }
    }






}