Java tutorial
package org.schabi.newpipe; import android.app.Activity; import android.content.Intent; import android.graphics.Bitmap; import android.os.Build; import android.os.Bundle; import android.support.v4.app.NavUtils; import android.support.v7.app.ActionBar; import android.support.v7.app.AppCompatActivity; import android.support.v7.widget.Toolbar; import android.view.MenuItem; import android.webkit.CookieManager; import android.webkit.ValueCallback; import android.webkit.WebSettings; import android.webkit.WebView; import android.webkit.WebViewClient; /** * Created by beneth <bmauduit@beneth.fr> on 06.12.16. * * Copyright (C) Christian Schabesberger 2015 <chris.schabesberger@mailbox.org> * ReCaptchaActivity.java is part of NewPipe. * * NewPipe is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * NewPipe is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with NewPipe. If not, see <http://www.gnu.org/licenses/>. */ public class ReCaptchaActivity extends AppCompatActivity { public static final int RECAPTCHA_REQUEST = 10; public static final String TAG = ReCaptchaActivity.class.toString(); public static final String YT_URL = "https://www.youtube.com"; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_recaptcha); // Set return to Cancel by default setResult(RESULT_CANCELED); Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar); setSupportActionBar(toolbar); ActionBar actionBar = getSupportActionBar(); if (actionBar != null) { actionBar.setDisplayHomeAsUpEnabled(true); actionBar.setTitle(R.string.reCaptcha_title); actionBar.setDisplayShowTitleEnabled(true); } WebView myWebView = (WebView) findViewById(R.id.reCaptchaWebView); // Enable Javascript WebSettings webSettings = myWebView.getSettings(); webSettings.setJavaScriptEnabled(true); ReCaptchaWebViewClient webClient = new ReCaptchaWebViewClient(this); myWebView.setWebViewClient(webClient); // Cleaning cache, history and cookies from webView myWebView.clearCache(true); myWebView.clearHistory(); android.webkit.CookieManager cookieManager = CookieManager.getInstance(); if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) { cookieManager.removeAllCookies(new ValueCallback<Boolean>() { @Override public void onReceiveValue(Boolean aBoolean) { } }); } else { cookieManager.removeAllCookie(); } myWebView.loadUrl(YT_URL); } private class ReCaptchaWebViewClient extends WebViewClient { private Activity context; private String mCookies; ReCaptchaWebViewClient(Activity ctx) { context = ctx; } @Override public void onPageStarted(WebView view, String url, Bitmap favicon) { // TODO: Start Loader super.onPageStarted(view, url, favicon); } @Override public void onPageFinished(WebView view, String url) { String cookies = CookieManager.getInstance().getCookie(url); // TODO: Stop Loader // find cookies : s_gl & goojf and Add cookies to Downloader if (find_access_cookies(cookies)) { // Give cookies to Downloader class Downloader.setCookies(mCookies); // Closing activity and return to parent setResult(RESULT_OK); finish(); } } private boolean find_access_cookies(String cookies) { boolean ret = false; String c_s_gl = ""; String c_goojf = ""; String[] parts = cookies.split("; "); for (String part : parts) { if (part.trim().startsWith("s_gl")) { c_s_gl = part.trim(); } if (part.trim().startsWith("goojf")) { c_goojf = part.trim(); } } if (c_s_gl.length() > 0 && c_goojf.length() > 0) { ret = true; //mCookies = c_s_gl + "; " + c_goojf; // Youtube seems to also need the other cookies: mCookies = cookies; } return ret; } } @Override public boolean onOptionsItemSelected(MenuItem item) { int id = item.getItemId(); switch (id) { case android.R.id.home: { Intent intent = new Intent(this, org.schabi.newpipe.MainActivity.class); intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP); NavUtils.navigateUpTo(this, intent); return true; } default: return false; } } }