package com.stoutner.privacybrowser;
+import android.annotation.SuppressLint;
+import android.annotation.TargetApi;
import android.app.Activity;
+import android.content.ClipData;
+import android.content.ClipboardManager;
+import android.content.Context;
import android.content.Intent;
import android.graphics.Bitmap;
-import android.graphics.drawable.BitmapDrawable;
-import android.graphics.drawable.Drawable;
import android.net.Uri;
+import android.os.Build;
import android.os.Bundle;
-import android.support.v4.widget.SwipeRefreshLayout;
import android.support.v7.app.ActionBar;
import android.support.v7.app.AppCompatActivity;
import android.util.Patterns;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
-import android.view.ViewTreeObserver;
import android.view.inputmethod.InputMethodManager;
-import android.webkit.ClientCertRequest;
import android.webkit.WebChromeClient;
import android.webkit.WebView;
import android.webkit.WebViewClient;
public class Webview extends AppCompatActivity {
- static String formattedUrlString;
- static WebView mainWebView;
- static ProgressBar progressBar;
- static SwipeRefreshLayout swipeToRefresh;
- static EditText urlTextBox;
- static ImageView favoriteIcon;
- static final String homepage = "https://www.duckduckgo.com";
+ private String formattedUrlString;
+ private String homepage = "https://www.duckduckgo.com/";
+
+ // Remove Android Studio's warning about the dangers of using SetJavaScriptEnabled.
+ @SuppressLint("SetJavaScriptEnabled")
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_webview);
- urlTextBox = (EditText) findViewById(R.id.urlTextBox);
- swipeToRefresh = (SwipeRefreshLayout) findViewById(R.id.swipeRefreshLayoutContainer);
- mainWebView = (WebView) findViewById(R.id.mainWebView);
- progressBar = (ProgressBar) findViewById(R.id.progressBar);
- favoriteIcon = (ImageView) findViewById(R.id.favoriteIcon);
+ final WebView mainWebView = (WebView) findViewById(R.id.mainWebView);
- // Remove the title from the action bar.
final ActionBar actionBar = getSupportActionBar();
if (actionBar != null) {
+ // Remove the title from the action bar.
actionBar.setDisplayShowTitleEnabled(false);
- // actionBar.setHideOnContentScrollEnabled(true);
- }
-
- // Implement swipe down to refresh.
- swipeToRefresh.setColorSchemeColors(0xFF0097FF);
- swipeToRefresh.setOnRefreshListener(new SwipeRefreshLayout.OnRefreshListener() {
- @Override
- public void onRefresh() {
- mainWebView.loadUrl(formattedUrlString);
- }
- });
- // Only enable swipeToRefresh if is mainWebView is scrolled to the top.
- mainWebView.getViewTreeObserver().addOnScrollChangedListener(new ViewTreeObserver.OnScrollChangedListener() {
- @Override
- public void onScrollChanged() {
- if (mainWebView.getScrollY() == 0) {
- swipeToRefresh.setEnabled(true);
- } else {
- swipeToRefresh.setEnabled(false);
+ // Add the custom app_bar layout, which shows the favoriteIcon, urlTextBar, and progressBar.
+ actionBar.setCustomView(R.layout.app_bar);
+ actionBar.setDisplayOptions(ActionBar.DISPLAY_SHOW_CUSTOM);
+
+ // Set the "go" button on the keyboard to load the URL in urlTextBox.
+ EditText urlTextBox = (EditText) actionBar.getCustomView().findViewById(R.id.urlTextBox);
+ urlTextBox.setOnKeyListener(new View.OnKeyListener() {
+ public boolean onKey(View v, int keyCode, KeyEvent event) {
+ // If the event is a key-down event on the "enter" button, load the URL.
+ if ((event.getAction() == KeyEvent.ACTION_DOWN) &&
+ (keyCode == KeyEvent.KEYCODE_ENTER)) {
+ // Load the URL into the mainWebView and consume the event.
+ try {
+ loadUrlFromTextBox();
+ } catch (UnsupportedEncodingException e) {
+ e.printStackTrace();
+ }
+ // If the enter key was pressed, consume the event.
+ return true;
+ }
+ // If any other key was pressed, do not consume the event.
+ return false;
}
- }
- });
+ });
+ }
mainWebView.setWebViewClient(new WebViewClient() {
-
// setWebViewClient makes this WebView the default handler for URLs inside the app, so that links are not kicked out to other apps.
// Save the URL to formattedUrlString and update urlTextBox before loading mainWebView.
@Override
// Update the URL in urlTextBox when the page starts to load.
@Override
public void onPageStarted(WebView view, String url, Bitmap favicon) {
- urlTextBox.setText(url);
+ if (actionBar != null) {
+ EditText urlTextBox = (EditText) actionBar.getCustomView().findViewById(R.id.urlTextBox);
+ urlTextBox.setText(url);
+ }
}
// Update formattedUrlString and urlTextBox. It is necessary to do this after the page finishes loading because the final URL can change during load.
@Override
public void onPageFinished(WebView view, String url) {
formattedUrlString = url;
- urlTextBox.setText(formattedUrlString);
+
+ if (actionBar != null) {
+ EditText urlTextBox = (EditText) actionBar.getCustomView().findViewById(R.id.urlTextBox);
+ urlTextBox.setText(formattedUrlString);
+ }
}
});
mainWebView.setWebChromeClient(new WebChromeClient() {
-
// Update the progress bar when a page is loading.
@Override
public void onProgressChanged(WebView view, int progress) {
- progressBar.setProgress(progress);
- if (progress < 100) {
- progressBar.setVisibility(View.VISIBLE);
- } else {
- progressBar.setVisibility(View.GONE);
-
- // Stop the refreshing indicator if it is running.
- swipeToRefresh.setRefreshing(false);
+ // Make sure that actionBar is not null.
+ if (actionBar != null) {
+ ProgressBar progressBar = (ProgressBar) actionBar.getCustomView().findViewById(R.id.progressBar);
+ progressBar.setProgress(progress);
+ if (progress < 100) {
+ progressBar.setVisibility(View.VISIBLE);
+ } else {
+ progressBar.setVisibility(View.GONE);
+ }
}
}
// Set the favorite icon when it changes.
@Override
public void onReceivedIcon(WebView view, Bitmap icon) {
- favoriteIcon.setImageBitmap(icon);
- }
- });
-
- // Set the "go" button on the keyboard to load the URL.
- urlTextBox.setOnKeyListener(new View.OnKeyListener() {
- public boolean onKey(View v, int keyCode, KeyEvent event) {
-
- // If the event is a key-down event on the "enter" button, load the URL.
- if ((event.getAction() == KeyEvent.ACTION_DOWN) &&
- (keyCode == KeyEvent.KEYCODE_ENTER)) {
- // Load the URL into the mainWebView and consume the event.
- try {
- loadUrlFromTextBox(mainWebView);
- } catch (UnsupportedEncodingException e) {
- e.printStackTrace();
- }
- // If the enter key was pressed, consume the event.
- return true;
+ // Make sure that actionBar is not null.
+ if (actionBar != null) {
+ ImageView favoriteIcon = (ImageView) actionBar.getCustomView().findViewById(R.id.favoriteIcon);
+ favoriteIcon.setImageBitmap(Bitmap.createScaledBitmap(icon, 64, 64, true));
}
- // If any other key was pressed, do not consume the event.
- return false;
}
});
// Allow pinch to zoom.
mainWebView.getSettings().setBuiltInZoomControls(true);
- // Hide zoom controls.
- mainWebView.getSettings().setDisplayZoomControls(false);
+ // Hide zoom controls API is 11 or greater.
+ if (Build.VERSION.SDK_INT >= 11) {
+ mainWebView.getSettings().setDisplayZoomControls(false);
+ }
// Enable JavaScript.
mainWebView.getSettings().setJavaScriptEnabled(true);
return true;
}
+ // @TargetApi(11) turns off the errors regarding copy and paste, which are removied from view in menu_webview.xml for lower version of Android.
@Override
+ @TargetApi(11)
public boolean onOptionsItemSelected(MenuItem menuItem) {
int menuItemId = menuItem.getItemId();
+ ClipboardManager clipboard = (ClipboardManager) getSystemService(Context.CLIPBOARD_SERVICE);
+ ActionBar actionBar = getSupportActionBar();
+ final WebView mainWebView = (WebView) findViewById(R.id.mainWebView);
// Sets the commands that relate to the menu entries.
switch (menuItemId) {
mainWebView.loadUrl(homepage);
break;
+ case R.id.refresh:
+ mainWebView.loadUrl(formattedUrlString);
+ break;
+
case R.id.back:
mainWebView.goBack();
break;
case R.id.forward:
mainWebView.goForward();
break;
+
+ case R.id.copyURL:
+ // Make sure that actionBar is not null.
+ if (actionBar != null) {
+ EditText urlTextBox = (EditText) actionBar.getCustomView().findViewById(R.id.urlTextBox);
+ clipboard.setPrimaryClip(ClipData.newPlainText("URL", urlTextBox.getText()));
+ }
+ break;
+
+ case R.id.pasteURL:
+ // Make sure that actionBar is not null.
+ if (actionBar != null) {
+ ClipData.Item clipboardData = clipboard.getPrimaryClip().getItemAt(0);
+ EditText urlTextBox = (EditText) actionBar.getCustomView().findViewById(R.id.urlTextBox);
+ urlTextBox.setText(clipboardData.coerceToText(this));
+ try {
+ loadUrlFromTextBox();
+ } catch (UnsupportedEncodingException e) {
+ e.printStackTrace();
+ }
+ }
+ break;
+
+ case R.id.shareURL:
+ // Make sure that actionBar is not null.
+ if (actionBar != null) {
+ EditText urlTextBox = (EditText) actionBar.getCustomView().findViewById(R.id.urlTextBox);
+ Intent shareIntent = new Intent();
+ shareIntent.setAction(Intent.ACTION_SEND);
+ shareIntent.putExtra(Intent.EXTRA_TEXT, urlTextBox.getText().toString());
+ shareIntent.setType("text/plain");
+ startActivity(Intent.createChooser(shareIntent, "Share URL"));
+ }
+ break;
}
return super.onOptionsItemSelected(menuItem);
// Override onBackPressed so that if mainWebView can go back it does when the system back button is pressed.
@Override
public void onBackPressed() {
+ final WebView mainWebView = (WebView) findViewById(R.id.mainWebView);
+
if (mainWebView.canGoBack()) {
mainWebView.goBack();
} else {
}
}
- public void loadUrlFromTextBox(View view) throws UnsupportedEncodingException {
- // Get the text from urlTextInput and convert it to a string.
- String unformattedUrlString = urlTextBox.getText().toString();
- URL unformattedUrl = null;
- Uri.Builder formattedUri = new Uri.Builder();
- String scheme;
+ public void loadUrlFromTextBox() throws UnsupportedEncodingException {
+ // Make sure that actionBar is not null.
+ ActionBar actionBar = getSupportActionBar();
+ if (actionBar != null) {
+ final WebView mainWebView = (WebView) findViewById(R.id.mainWebView);
+ EditText urlTextBox = (EditText) actionBar.getCustomView().findViewById(R.id.urlTextBox);
- // Check to see if unformattedUrlString is a valid URL. Otherwise, convert it into a Duck Duck Go search.
- if (Patterns.WEB_URL.matcher(unformattedUrlString).matches()) {
+ // Get the text from urlTextInput and convert it to a string.
+ String unformattedUrlString = urlTextBox.getText().toString();
+ URL unformattedUrl = null;
+ Uri.Builder formattedUri = new Uri.Builder();
- // Add http:// at the beginning if it is missing. Otherwise the app will segfault.
- if (!unformattedUrlString.startsWith("http")) {
- unformattedUrlString = "http://" + unformattedUrlString;
- }
+ // Check to see if unformattedUrlString is a valid URL. Otherwise, convert it into a Duck Duck Go search.
+ if (Patterns.WEB_URL.matcher(unformattedUrlString).matches()) {
- // Convert unformattedUrlString to a URL, then to a URI, and then back to a string, which sanitizes the input and adds in any missing components.
- try {
- unformattedUrl = new URL(unformattedUrlString);
- } catch (MalformedURLException e) {
- e.printStackTrace();
- }
+ // Add http:// at the beginning if it is missing. Otherwise the app will segfault.
+ if (!unformattedUrlString.startsWith("http")) {
+ unformattedUrlString = "http://" + unformattedUrlString;
+ }
- if (unformattedUrl.getProtocol() != null) {
- scheme = unformattedUrl.getProtocol();
- } else {
- scheme = "http";
- }
+ // Convert unformattedUrlString to a URL, then to a URI, and then back to a string, which sanitizes the input and adds in any missing components.
+ try {
+ unformattedUrl = new URL(unformattedUrlString);
+ } catch (MalformedURLException e) {
+ e.printStackTrace();
+ }
- final String authority = unformattedUrl.getAuthority();
- final String path = unformattedUrl.getPath();
- final String query = unformattedUrl.getQuery();
- final String fragment = unformattedUrl.getRef();
+ // The ternary operator (? :) makes sure that a null pointer exception is not thrown, which would happen if .get was called on a null value.
+ final String scheme = unformattedUrl != null ? unformattedUrl.getProtocol() : null;
+ final String authority = unformattedUrl != null ? unformattedUrl.getAuthority() : null;
+ final String path = unformattedUrl != null ? unformattedUrl.getPath() : null;
+ final String query = unformattedUrl != null ? unformattedUrl.getQuery() : null;
+ final String fragment = unformattedUrl != null ? unformattedUrl.getRef() : null;
- formattedUri.scheme(scheme).authority(authority).path(path).query(query).fragment(fragment);
- formattedUrlString = formattedUri.build().toString();
+ formattedUri.scheme(scheme).authority(authority).path(path).query(query).fragment(fragment);
+ formattedUrlString = formattedUri.build().toString();
- } else {
- // Sanitize the search input.
- final String encodedUrlString = URLEncoder.encode(unformattedUrlString, "UTF-8");
- formattedUrlString = "https://duckduckgo.com/?q=" + encodedUrlString;
- }
+ } else {
+ // Sanitize the search input and convert it to a DuckDuckGo search.
+ final String encodedUrlString = URLEncoder.encode(unformattedUrlString, "UTF-8");
+ formattedUrlString = "https://duckduckgo.com/?q=" + encodedUrlString;
+ }
- // Place formattedUrlString back in the address bar and load the website.
- mainWebView.loadUrl(formattedUrlString);
+ mainWebView.loadUrl(formattedUrlString);
- // Hides the keyboard so we can see the webpage.
- InputMethodManager inputMethodManager = (InputMethodManager) getSystemService(Activity.INPUT_METHOD_SERVICE);
- inputMethodManager.hideSoftInputFromWindow(mainWebView.getWindowToken(), 0);
+ // Hides the keyboard so we can see the webpage.
+ InputMethodManager inputMethodManager = (InputMethodManager) getSystemService(Activity.INPUT_METHOD_SERVICE);
+ inputMethodManager.hideSoftInputFromWindow(mainWebView.getWindowToken(), 0);
+ }
}
}
projects / PrivacyBrowserAndroid.git / blobdiff