X-Git-Url: https://gitweb.stoutner.com/?a=blobdiff_plain;f=app%2Fsrc%2Fmain%2Fjava%2Fcom%2Fstoutner%2Fprivacybrowser%2FMainWebViewActivity.java;h=bcbdd9f30480ab7ff28f94b8e0bcdd23bab90d9e;hb=5b29a622c06536ff790aac64c0182feb9a621326;hp=c9130db8259f7d36867b4620f8b15454fa01c879;hpb=7be94bb0402710b112f269a07674a2f19150b54c;p=PrivacyBrowserAndroid.git diff --git a/app/src/main/java/com/stoutner/privacybrowser/MainWebViewActivity.java b/app/src/main/java/com/stoutner/privacybrowser/MainWebViewActivity.java index c9130db8..bcbdd9f3 100644 --- a/app/src/main/java/com/stoutner/privacybrowser/MainWebViewActivity.java +++ b/app/src/main/java/com/stoutner/privacybrowser/MainWebViewActivity.java @@ -20,20 +20,24 @@ package com.stoutner.privacybrowser; import android.annotation.SuppressLint; -import android.annotation.TargetApi; import android.app.Activity; import android.app.DownloadManager; import android.content.Intent; import android.content.SharedPreferences; +import android.content.res.Configuration; import android.graphics.Bitmap; import android.net.Uri; import android.os.Build; import android.os.Bundle; import android.preference.PreferenceManager; +import android.support.design.widget.NavigationView; import android.support.design.widget.Snackbar; import android.support.v4.app.DialogFragment; +import android.support.v4.view.GravityCompat; +import android.support.v4.widget.DrawerLayout; import android.support.v4.widget.SwipeRefreshLayout; import android.support.v7.app.ActionBar; +import android.support.v7.app.ActionBarDrawerToggle; import android.support.v7.app.AppCompatActivity; import android.support.v7.app.AppCompatDialogFragment; import android.support.v7.widget.Toolbar; @@ -53,7 +57,6 @@ import android.widget.EditText; import android.widget.FrameLayout; import android.widget.ImageView; import android.widget.ProgressBar; -import android.widget.Toast; import java.io.UnsupportedEncodingException; import java.net.MalformedURLException; @@ -61,32 +64,33 @@ import java.net.URL; import java.net.URLEncoder; // We need to use AppCompatActivity from android.support.v7.app.AppCompatActivity to have access to the SupportActionBar until the minimum API is >= 21. -public class MainWebViewActivity extends AppCompatActivity implements CreateHomeScreenShortcut.CreateHomeScreenSchortcutListener { +public class MainWebViewActivity extends AppCompatActivity implements NavigationView.OnNavigationItemSelectedListener, CreateHomeScreenShortcut.CreateHomeScreenSchortcutListener { // favoriteIcon is public static so it can be accessed from CreateHomeScreenShortcut. public static Bitmap favoriteIcon; - // mainWebView is public static so it can be accessed from AboutDialog. It is also used in onCreate(), onOptionsItemSelected(), and loadUrlFromTextBox(). + // mainWebView is public static so it can be accessed from AboutDialog and SettingsFragment. It is also used in onCreate(), onOptionsItemSelected(), onNavigationItemSelected(), and loadUrlFromTextBox(). public static WebView mainWebView; - // mainMenu is used in onCreateOptionsMenu() and onOptionsItemSelected(). - private Menu mainMenu; + // mainMenu is public static so it can be accessed from SettingsFragment. It is also used in onCreateOptionsMenu() and onOptionsItemSelected(). + public static Menu mainMenu; + // cookieManager is public static so it can be accessed from SettingsFragment. It is also used in onCreate(), onOptionsItemSelected(), and onNavigationItemSelected(). + public static CookieManager cookieManager; + // javaScriptEnabled is public static so it can be accessed from SettingsFragment. It is also used in onCreate(), onCreateOptionsMenu(), onOptionsItemSelected(), and loadUrlFromTextBox(). + public static boolean javaScriptEnabled; + // firstPartyCookiesEnabled is public static so it can be accessed from SettingsFragment. It is also used in onCreate(), onCreateOptionsMenu(), onPrepareOptionsMenu(), and onOptionsItemSelected(). + public static boolean firstPartyCookiesEnabled; + // thirdPartyCookiesEnabled is uesd in onCreate(), onCreateOptionsMenu(), onPrepareOptionsMenu(), and onOptionsItemSelected(). + public static boolean thirdPartyCookiesEnabled; + // domStorageEnabled is public static so it can be accessed from SettingsFragment. It is also used in onCreate(), onCreateOptionsMenu(), and onOptionsItemSelected(). + public static boolean domStorageEnabled; + // homepage is public static so it can be accessed from SettingsFragment. It is also used in onCreate() and onOptionsItemSelected(). + public static String homepage; + + // drawerToggle is used in onCreate(), onPostCreate(), onConfigurationChanged(), onNewIntent(), and onNavigationItemSelected(). + private ActionBarDrawerToggle drawerToggle; + // drawerLayout is used in onCreate(), onNewIntent(), and onBackPressed(). + private DrawerLayout drawerLayout; // formattedUrlString is used in onCreate(), onOptionsItemSelected(), onCreateHomeScreenShortcutCreate(), and loadUrlFromTextBox(). private String formattedUrlString; - // homepage is used in onCreate() and onOptionsItemSelected(). - private String homepage; - // javaScriptEnabled is used in onCreate(), onCreateOptionsMenu(), onOptionsItemSelected(), and loadUrlFromTextBox(). - private boolean javaScriptEnabled; - // domStorageEnabled is used in onCreate(), onCreateOptionsMenu(), and onOptionsItemSelected(). - private boolean domStorageEnabled; - - /* saveFormDataEnabled does nothing until database storage is implemented. - // saveFormDataEnabled is used in onCreate(), onCreateOptionsMenu(), and onOptionsItemSelected(). - private boolean saveFormDataEnabled; - */ - - // cookieManager is used in onCreate() and onOptionsItemSelected(). - private CookieManager cookieManager; - // cookiesEnabled is used in onCreate(), onCreateOptionsMenu(), and onOptionsItemSelected(). - private boolean cookiesEnabled; // urlTextBox is used in onCreate(), onOptionsItemSelected(), and loadUrlFromTextBox(). private EditText urlTextBox; @@ -96,7 +100,7 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateHome @SuppressLint("SetJavaScriptEnabled") protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); - setContentView(R.layout.activity_webview); + setContentView(R.layout.coordinator_layout); // We need to use the SupportActionBar from android.support.v7.app.ActionBar until the minimum API is >= 21. Toolbar supportAppBar = (Toolbar) findViewById(R.id.appBar); @@ -149,6 +153,18 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateHome }); } + // Create the navigation drawer. + drawerLayout = (DrawerLayout) findViewById(R.id.drawerLayout); + // The DrawerTitle identifies the drawer in accessibility mode. + drawerLayout.setDrawerTitle(GravityCompat.START, getString(R.string.navigation_drawer)); + + // Listen for touches on the navigation menu. + final NavigationView navigationView = (NavigationView) findViewById(R.id.navigationView); + navigationView.setNavigationItemSelectedListener(this); + + // drawerToggle creates the hamburger icon at the start of the AppBar. + drawerToggle = new ActionBarDrawerToggle(this, drawerLayout, supportAppBar, R.string.open_navigation, R.string.close_navigation); + mainWebView.setWebViewClient(new WebViewClient() { // shouldOverrideUrlLoading makes this WebView the default handler for URLs inside the app, so that links are not kicked out to other apps. @Override @@ -167,7 +183,11 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateHome @Override public void onPageFinished(WebView view, String url) { formattedUrlString = url; - urlTextBox.setText(formattedUrlString); + + // Only update urlTextBox if the user is not typing in it. + if (!urlTextBox.hasFocus()) { + urlTextBox.setText(formattedUrlString); + } } }); @@ -293,21 +313,23 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateHome javaScriptEnabled = savedPreferences.getBoolean("javascript_enabled", false); mainWebView.getSettings().setJavaScriptEnabled(javaScriptEnabled); + // Initialize cookieManager. + cookieManager = CookieManager.getInstance(); + + // Set cookies initial status. + firstPartyCookiesEnabled = savedPreferences.getBoolean("first_party_cookies_enabled", false); + cookieManager.setAcceptCookie(firstPartyCookiesEnabled); + + // Set third-party cookies initial status if API >= 21. + if (Build.VERSION.SDK_INT >= 21) { + thirdPartyCookiesEnabled = savedPreferences.getBoolean("third_party_cookies_enabled", false); + cookieManager.setAcceptThirdPartyCookies(mainWebView, thirdPartyCookiesEnabled); + } + // Set DOM storage initial status. domStorageEnabled = savedPreferences.getBoolean("dom_storage_enabled", false); mainWebView.getSettings().setDomStorageEnabled(domStorageEnabled); - /* Save Form Data does nothing until database storage is implemented. - // Set Save Form Data initial status. - saveFormDataEnabled = true; - mainWebView.getSettings().setSaveFormData(saveFormDataEnabled); - */ - - // Set cookies initial status. - cookiesEnabled = savedPreferences.getBoolean("cookies_enabled", false); - cookieManager = CookieManager.getInstance(); - cookieManager.setAcceptCookie(cookiesEnabled); - // Set homepage initial status. homepage = savedPreferences.getString("homepage", "https://www.duckduckgo.com"); @@ -343,6 +365,11 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateHome formattedUrlString = intentUriData.toString(); } + // Close the navigation drawer if it is open. + if (drawerLayout.isDrawerVisible(GravityCompat.START)) { + drawerLayout.closeDrawer(GravityCompat.START); + } + // Load the website. mainWebView.loadUrl(formattedUrlString); @@ -353,24 +380,25 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateHome @Override public boolean onCreateOptionsMenu(Menu menu) { // Inflate the menu; this adds items to the action bar if it is present. - getMenuInflater().inflate(R.menu.menu_webview, menu); + getMenuInflater().inflate(R.menu.menu_options, menu); // Set mainMenu so it can be used by onOptionsItemSelected. mainMenu = menu; // Get MenuItems for checkable menu items. MenuItem toggleJavaScript = menu.findItem(R.id.toggleJavaScript); + MenuItem toggleFirstPartyCookies = menu.findItem(R.id.toggleFirstPartyCookies); + MenuItem toggleThirdPartyCookies = menu.findItem(R.id.toggleThirdPartyCookies); MenuItem toggleDomStorage = menu.findItem(R.id.toggleDomStorage); /* toggleSaveFormData does nothing until database storage is implemented. MenuItem toggleSaveFormData = menu.findItem(R.id.toggleSaveFormData); */ - MenuItem toggleCookies = menu.findItem(R.id.toggleCookies); // Set the initial icon for toggleJavaScript if (javaScriptEnabled) { toggleJavaScript.setIcon(R.drawable.javascript_enabled); } else { - if (domStorageEnabled || cookiesEnabled) { + if (domStorageEnabled || firstPartyCookiesEnabled) { toggleJavaScript.setIcon(R.drawable.warning); } else { toggleJavaScript.setIcon(R.drawable.privacy_mode); @@ -378,29 +406,30 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateHome } // Set the initial status of the menu item checkboxes. + toggleFirstPartyCookies.setChecked(firstPartyCookiesEnabled); + toggleThirdPartyCookies.setChecked(thirdPartyCookiesEnabled); toggleDomStorage.setChecked(domStorageEnabled); /* toggleSaveFormData does nothing until database storage is implemented. toggleSaveFormData.setChecked(saveFormDataEnabled); */ - toggleCookies.setChecked(cookiesEnabled); return true; } @Override public boolean onPrepareOptionsMenu(Menu menu) { + // Only enable Third-Party Cookies if SDK >= 21 and First-Party Cookies are enabled. + MenuItem toggleThirdPartyCookies = menu.findItem(R.id.toggleThirdPartyCookies); + if ((Build.VERSION.SDK_INT >= 21) && firstPartyCookiesEnabled) { + toggleThirdPartyCookies.setEnabled(true); + } else { + toggleThirdPartyCookies.setEnabled(false); + } + // Enable Clear Cookies if there are any. MenuItem clearCookies = menu.findItem(R.id.clearCookies); clearCookies.setEnabled(cookieManager.hasCookies()); - // Enable Back if canGoBack(). - MenuItem back = menu.findItem(R.id.back); - back.setEnabled(mainWebView.canGoBack()); - - // Enable forward if canGoForward(). - MenuItem forward = menu.findItem(R.id.forward); - forward.setEnabled(mainWebView.canGoForward()); - // Run all the other default commands. super.onPrepareOptionsMenu(menu); @@ -428,17 +457,9 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateHome mainWebView.reload(); // Update the toggleJavaScript icon and display a snackbar. - if (domStorageEnabled || cookiesEnabled) { + if (domStorageEnabled || firstPartyCookiesEnabled) { menuItem.setIcon(R.drawable.warning); - if (domStorageEnabled && cookiesEnabled) { - Snackbar.make(findViewById(R.id.mainWebView), R.string.both_still_enabled, Snackbar.LENGTH_SHORT).show(); - } else { - if (domStorageEnabled) { - Snackbar.make(findViewById(R.id.mainWebView), R.string.dom_storage_still_enabled, Snackbar.LENGTH_SHORT).show(); - } else { - Snackbar.make(findViewById(R.id.mainWebView), R.string.cookies_still_enabled, Snackbar.LENGTH_SHORT).show(); - } - } + Snackbar.make(findViewById(R.id.mainWebView), R.string.javascript_disabled, Snackbar.LENGTH_SHORT).show(); } else { menuItem.setIcon(R.drawable.privacy_mode); Snackbar.make(findViewById(R.id.mainWebView), R.string.privacy_mode, Snackbar.LENGTH_SHORT).show(); @@ -452,75 +473,83 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateHome } return true; - case R.id.toggleDomStorage: - if (domStorageEnabled) { - domStorageEnabled = false; + case R.id.toggleFirstPartyCookies: + if (firstPartyCookiesEnabled) { + firstPartyCookiesEnabled = false; menuItem.setChecked(false); - mainWebView.getSettings().setDomStorageEnabled(false); + cookieManager.setAcceptCookie(false); mainWebView.reload(); - // Update the toggleJavaScript icon and display a snackbar if appropriate. - if (!javaScriptEnabled && !cookiesEnabled) { - toggleJavaScript.setIcon(R.drawable.privacy_mode); - Snackbar.make(findViewById(R.id.mainWebView), R.string.privacy_mode, Snackbar.LENGTH_SHORT).show(); - } else { - if (cookiesEnabled) { + // Update the toggleJavaScript icon if appropriate and display a snackbar. + if (!javaScriptEnabled) { + if (domStorageEnabled) { toggleJavaScript.setIcon(R.drawable.warning); - Snackbar.make(findViewById(R.id.mainWebView), R.string.cookies_still_enabled, Snackbar.LENGTH_SHORT).show(); - } // Else Do nothing because JavaScript is enabled. + Snackbar.make(findViewById(R.id.mainWebView), R.string.first_party_cookies_disabled, Snackbar.LENGTH_SHORT).show(); + } else { + toggleJavaScript.setIcon(R.drawable.privacy_mode); + Snackbar.make(findViewById(R.id.mainWebView), R.string.privacy_mode, Snackbar.LENGTH_SHORT).show(); + } + } else { + Snackbar.make(findViewById(R.id.mainWebView), R.string.first_party_cookies_disabled, Snackbar.LENGTH_SHORT).show(); } } else { - domStorageEnabled = true; + firstPartyCookiesEnabled = true; menuItem.setChecked(true); - mainWebView.getSettings().setDomStorageEnabled(true); + cookieManager.setAcceptCookie(true); mainWebView.reload(); // Update the toggleJavaScript icon if appropriate. if (!javaScriptEnabled) { toggleJavaScript.setIcon(R.drawable.warning); - } // Else Do nothing because JavaScript is enabled. + } // Else do nothing because JavaScript is enabled. - Snackbar.make(findViewById(R.id.mainWebView), R.string.dom_storage_enabled, Snackbar.LENGTH_SHORT).show(); + Snackbar.make(findViewById(R.id.mainWebView), R.string.first_party_cookies_enabled, Snackbar.LENGTH_SHORT).show(); } return true; - /* toggleSaveFormData does nothing until database storage is implemented. - case R.id.toggleSaveFormData: - if (saveFormDataEnabled) { - saveFormDataEnabled = false; - menuItem.setChecked(false); - mainWebView.getSettings().setSaveFormData(false); - mainWebView.reload(); - } else { - saveFormDataEnabled = true; - menuItem.setChecked(true); - mainWebView.getSettings().setSaveFormData(true); - mainWebView.reload(); - } + case R.id.toggleThirdPartyCookies: + if (Build.VERSION.SDK_INT >= 21) { + if (thirdPartyCookiesEnabled) { + thirdPartyCookiesEnabled = false; + menuItem.setChecked(false); + cookieManager.setAcceptThirdPartyCookies(mainWebView, false); + mainWebView.reload(); + + Snackbar.make(findViewById(R.id.mainWebView), R.string.third_party_cookies_disabled, Snackbar.LENGTH_SHORT).show(); + } else { + thirdPartyCookiesEnabled = true; + menuItem.setChecked(true); + cookieManager.setAcceptThirdPartyCookies(mainWebView, true); + mainWebView.reload(); + + Snackbar.make(findViewById(R.id.mainWebView), R.string.third_party_cookies_enabled, Snackbar.LENGTH_SHORT).show(); + } + } // Else do nothing because SDK < 21. return true; - */ - case R.id.toggleCookies: - if (cookiesEnabled) { - cookiesEnabled = false; + case R.id.toggleDomStorage: + if (domStorageEnabled) { + domStorageEnabled = false; menuItem.setChecked(false); - cookieManager.setAcceptCookie(false); + mainWebView.getSettings().setDomStorageEnabled(false); mainWebView.reload(); - // Update the toggleJavaScript icon and display a snackbar if appropriate. - if (!javaScriptEnabled && !domStorageEnabled) { - toggleJavaScript.setIcon(R.drawable.privacy_mode); - Snackbar.make(findViewById(R.id.mainWebView), R.string.privacy_mode, Snackbar.LENGTH_SHORT).show(); - } else { - if (domStorageEnabled) { + // Update the toggleJavaScript icon if appropriate and display a snackbar. + if (!javaScriptEnabled) { + if (firstPartyCookiesEnabled) { toggleJavaScript.setIcon(R.drawable.warning); - Snackbar.make(findViewById(R.id.mainWebView), R.string.dom_storage_enabled, Snackbar.LENGTH_SHORT).show(); - } // Else Do nothing because JavaScript is enabled. + Snackbar.make(findViewById(R.id.mainWebView), R.string.dom_storage_disabled, Snackbar.LENGTH_SHORT).show(); + } else { + toggleJavaScript.setIcon(R.drawable.privacy_mode); + Snackbar.make(findViewById(R.id.mainWebView), R.string.privacy_mode, Snackbar.LENGTH_SHORT).show(); + } + }else { + Snackbar.make(findViewById(R.id.mainWebView), R.string.dom_storage_disabled, Snackbar.LENGTH_SHORT).show(); } } else { - cookiesEnabled = true; + domStorageEnabled = true; menuItem.setChecked(true); - cookieManager.setAcceptCookie(true); + mainWebView.getSettings().setDomStorageEnabled(true); mainWebView.reload(); // Update the toggleJavaScript icon if appropriate. @@ -528,16 +557,10 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateHome toggleJavaScript.setIcon(R.drawable.warning); } // Else Do nothing because JavaScript is enabled. - Snackbar.make(findViewById(R.id.mainWebView), R.string.cookies_enabled, Snackbar.LENGTH_SHORT).show(); + Snackbar.make(findViewById(R.id.mainWebView), R.string.dom_storage_enabled, Snackbar.LENGTH_SHORT).show(); } return true; - case R.id.clearDomStorage: - WebStorage webStorage = WebStorage.getInstance(); - webStorage.deleteAllData(); - Snackbar.make(findViewById(R.id.mainWebView), R.string.dom_storage_deleted, Snackbar.LENGTH_SHORT).show(); - return true; - case R.id.clearCookies: if (Build.VERSION.SDK_INT < 21) { cookieManager.removeAllCookie(); @@ -547,6 +570,20 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateHome Snackbar.make(findViewById(R.id.mainWebView), R.string.cookies_deleted, Snackbar.LENGTH_SHORT).show(); return true; + case R.id.clearDomStorage: + WebStorage webStorage = WebStorage.getInstance(); + webStorage.deleteAllData(); + Snackbar.make(findViewById(R.id.mainWebView), R.string.dom_storage_deleted, Snackbar.LENGTH_SHORT).show(); + return true; + + case R.id.share: + 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")); + return true; + case R.id.addToHomescreen: // Show the CreateHomeScreenShortcut AlertDialog and name this instance createShortcut. AppCompatDialogFragment shortcutDialog = new CreateHomeScreenShortcut(); @@ -555,47 +592,55 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateHome //Everything else will be handled by CreateHomeScreenShortcut and the associated listeners below. return true; - case R.id.downloads: - // Launch the system Download Manager. - Intent downloadManagerIntent = new Intent(DownloadManager.ACTION_VIEW_DOWNLOADS); - - // Launch as a new task so that Download Manager and Privacy Browser show as separate windows in the recent tasks list. - downloadManagerIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); + default: + return super.onOptionsItemSelected(menuItem); + } + } - startActivity(downloadManagerIntent); - return true; + @Override + // removeAllCookies is deprecated, but it is required for API < 21. + @SuppressWarnings("deprecation") + public boolean onNavigationItemSelected(MenuItem menuItem) { + int menuItemId = menuItem.getItemId(); + switch (menuItemId) { case R.id.home: mainWebView.loadUrl(homepage); - return true; + break; case R.id.back: - mainWebView.goBack(); - return true; + if (mainWebView.canGoBack()) { + mainWebView.goBack(); + } + break; case R.id.forward: - mainWebView.goForward(); - return true; + if (mainWebView.canGoForward()) { + mainWebView.goForward(); + } + break; - case R.id.share: - 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")); - return true; + case R.id.downloads: + // Launch the system Download Manager. + Intent downloadManagerIntent = new Intent(DownloadManager.ACTION_VIEW_DOWNLOADS); + + // Launch as a new task so that Download Manager and Privacy Browser show as separate windows in the recent tasks list. + downloadManagerIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); + + startActivity(downloadManagerIntent); + break; case R.id.settings: - // Launch SettingsActivity. + // Launch PreferenceFragment. Intent intent = new Intent(this, SettingsActivity.class); startActivity(intent); - return true; + break; case R.id.about: // Show the AboutDialog AlertDialog and name this instance aboutDialog. AppCompatDialogFragment aboutDialog = new AboutDialog(); aboutDialog.show(getSupportFragmentManager(), "aboutDialog"); - return true; + break; case R.id.clearAndExit: // Clear DOM storage. @@ -618,11 +663,31 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateHome } else { finish(); } - return true; + break; default: - return super.onOptionsItemSelected(menuItem); + break; } + + // Close the navigation drawer. + drawerLayout.closeDrawer(GravityCompat.START); + return true; + } + + @Override + public void onPostCreate(Bundle savedInstanceState) { + super.onPostCreate(savedInstanceState); + + // Sync the state of the DrawerToggle after onRestoreInstanceState has finished. + drawerToggle.syncState(); + } + + @Override + public void onConfigurationChanged(Configuration newConfig) { + super.onConfigurationChanged(newConfig); + + // Update the status of the drawerToggle icon. + drawerToggle.onConfigurationChanged(newConfig); } @Override @@ -649,15 +714,22 @@ public class MainWebViewActivity extends AppCompatActivity implements CreateHome sendBroadcast(placeBookmarkShortcut); } - // Override onBackPressed so that if mainWebView can go back it does when the system back button is pressed. + // Override onBackPressed to handle the navigation drawer and mainWebView. @Override public void onBackPressed() { final WebView mainWebView = (WebView) findViewById(R.id.mainWebView); - if (mainWebView.canGoBack()) { - mainWebView.goBack(); + // Close the navigation drawer if it is available. GravityCompat.START is the drawer on the left on Left-to-Right layout text. + if (drawerLayout.isDrawerVisible(GravityCompat.START)) { + drawerLayout.closeDrawer(GravityCompat.START); } else { - super.onBackPressed(); + // Load the previous URL if available. + if (mainWebView.canGoBack()) { + mainWebView.goBack(); + } else { + // Pass onBackPressed to the system. + super.onBackPressed(); + } } }