1 package com.stoutner.privacybrowser;
3 import android.app.Activity;
4 import android.content.Intent;
5 import android.net.Uri;
6 import android.os.Bundle;
7 import android.support.v7.app.AppCompatActivity;
8 import android.view.KeyEvent;
9 import android.view.Menu;
10 import android.view.MenuItem;
11 import android.view.View;
12 import android.view.inputmethod.InputMethodManager;
13 import android.webkit.WebChromeClient;
14 import android.webkit.WebView;
15 import android.webkit.WebViewClient;
16 import android.widget.EditText;
17 import android.widget.ProgressBar;
22 public class Webview extends AppCompatActivity {
24 static String formattedUrlString;
25 static WebView mainWebView;
26 static ProgressBar progressBar;
27 static final String homepage = "https://www.duckduckgo.com";
30 protected void onCreate(Bundle savedInstanceState) {
31 super.onCreate(savedInstanceState);
32 setContentView(R.layout.activity_webview);
34 final EditText urlTextBox = (EditText) findViewById(R.id.urlTextBox);
35 mainWebView = (WebView) findViewById(R.id.mainWebView);
36 progressBar = (ProgressBar) findViewById(R.id.progressBar);
38 // setWebViewClient makes this WebView the default handler for URLs inside the app, so that links are not kicked out to other apps.
39 // Save the URL to urlTextBox before loading mainWebView.
40 mainWebView.setWebViewClient(new WebViewClient() {
41 public boolean shouldOverrideUrlLoading(WebView view, String url) {
42 urlTextBox.setText(url);
43 mainWebView.loadUrl(url);
48 // Update the progress bar when a page is loading.
49 mainWebView.setWebChromeClient(new WebChromeClient() {
50 public void onProgressChanged(WebView view, int progress) {
52 progressBar.setVisibility(View.VISIBLE);
54 progressBar.setVisibility(View.GONE);
56 progressBar.setProgress(progress);
60 // Allow pinch to zoom.
61 mainWebView.getSettings().setBuiltInZoomControls(true);
63 // Hide zoom controls.
64 mainWebView.getSettings().setDisplayZoomControls(false);
67 mainWebView.getSettings().setJavaScriptEnabled(true);
69 // Enable DOM Storage.
70 mainWebView.getSettings().setDomStorageEnabled(true);
72 // Get the intent information that started the app.
73 final Intent intent = getIntent();
75 if (intent.getData() != null) {
76 // Get the intent data.
77 final Uri intentUriData = intent.getData();
79 // Try to parse the intent data and store it in urlData.
82 urlData = new URL(intentUriData.getScheme(), intentUriData.getHost(), intentUriData.getPath());
83 } catch (Exception e) {
87 Webview.formattedUrlString = urlData.toString();
90 // If formattedUrlString is null assign the homepage to it.
91 if (formattedUrlString == null) {
92 formattedUrlString = homepage;
95 // Place the formattedUrlString in the address bar and load the website.
96 urlTextBox.setText(formattedUrlString);
97 mainWebView.loadUrl(formattedUrlString);
99 // Set the "go" button on the keyboard to load the URL.
100 urlTextBox.setOnKeyListener(new View.OnKeyListener() {
101 public boolean onKey(View v, int keyCode, KeyEvent event) {
102 // If the event is a key-down event on the "enter" button
103 if ((event.getAction() == KeyEvent.ACTION_DOWN) &&
104 (keyCode == KeyEvent.KEYCODE_ENTER)) {
105 // Load the URL into the mainWebView and consume the event.
106 loadUrlFromTextBox(mainWebView);
109 // Do not consume the event.
117 public boolean onCreateOptionsMenu(Menu menu) {
118 // Inflate the menu; this adds items to the action bar if it is present.
119 getMenuInflater().inflate(R.menu.menu_webview, menu);
124 public boolean onOptionsItemSelected(MenuItem menuItem) {
125 int menuItemId = menuItem.getItemId();
126 final WebView mainWebView = (WebView) findViewById(R.id.mainWebView);
128 // Use the menu items to go forward or back.
129 switch (menuItemId) {
131 mainWebView.goBack();
134 mainWebView.goForward();
138 return super.onOptionsItemSelected(menuItem);
141 // Override onBackPressed so that if mainWebView can go back it does when the system back button is pressed.
143 public void onBackPressed() {
144 if (mainWebView.canGoBack()) {
145 mainWebView.goBack();
147 super.onBackPressed();
151 public void loadUrlFromTextBox(View view) {
152 // Get the text from urlTextInput and convert it to a string.
153 final EditText urlTextBox = (EditText) findViewById(R.id.urlTextBox);
154 final String unformattedUrlString = urlTextBox.getText().toString();
156 // Don't do anything unless unformattedUrlString is at least 6 characters long.
157 if (unformattedUrlString.length() < 6) { return; }
159 // Add correct protocol formatting to the beginning of the URL if needed.
160 final String firstSixCharacters = unformattedUrlString.substring(0, 6);
162 switch (firstSixCharacters) {
164 formattedUrlString = unformattedUrlString;
167 formattedUrlString = unformattedUrlString;
170 formattedUrlString = unformattedUrlString;
173 formattedUrlString = "http://" + unformattedUrlString;
176 final WebView mainWebView = (WebView) findViewById(R.id.mainWebView);
178 // Place the URL text back in the address bar and load the website.
179 urlTextBox.setText(formattedUrlString);
180 mainWebView.loadUrl(formattedUrlString);
182 // Hides the keyboard so we can see the webpage.
183 InputMethodManager inputMethodManager = (InputMethodManager) getSystemService(Activity.INPUT_METHOD_SERVICE);
184 inputMethodManager.hideSoftInputFromWindow(mainWebView.getWindowToken(), 0);