X-Git-Url: https://gitweb.stoutner.com/?p=PrivacyBrowserAndroid.git;a=blobdiff_plain;f=app%2Fsrc%2Fmain%2Fjava%2Fcom%2Fstoutner%2Fprivacybrowser%2Factivities%2FMainWebView.java;h=1024a7dbf10b4bb929a3396129656f5f8239ba70;hp=5fdd814eda2675b948a340002e9fff145495d909;hb=b0ddee839c666ba339e374749588f910070658ee;hpb=ae2ee09aa7a2afc19f5603c9bc021f98888d7b78 diff --git a/app/src/main/java/com/stoutner/privacybrowser/activities/MainWebView.java b/app/src/main/java/com/stoutner/privacybrowser/activities/MainWebView.java index 5fdd814e..1024a7db 100644 --- a/app/src/main/java/com/stoutner/privacybrowser/activities/MainWebView.java +++ b/app/src/main/java/com/stoutner/privacybrowser/activities/MainWebView.java @@ -38,6 +38,7 @@ import android.preference.PreferenceManager; import android.print.PrintDocumentAdapter; import android.print.PrintManager; import android.support.annotation.NonNull; +import android.support.design.widget.CoordinatorLayout; import android.support.design.widget.NavigationView; import android.support.design.widget.Snackbar; import android.support.v4.app.ActivityCompat; @@ -54,10 +55,13 @@ import android.text.Editable; import android.text.TextWatcher; import android.util.Patterns; import android.view.ContextMenu; +import android.view.GestureDetector; import android.view.KeyEvent; import android.view.Menu; import android.view.MenuItem; +import android.view.MotionEvent; import android.view.View; +import android.view.WindowManager; import android.view.inputmethod.InputMethodManager; import android.webkit.CookieManager; import android.webkit.DownloadListener; @@ -77,6 +81,7 @@ import android.widget.RelativeLayout; import android.widget.TextView; import com.stoutner.privacybrowser.BannerAd; +import com.stoutner.privacybrowser.BuildConfig; import com.stoutner.privacybrowser.R; import com.stoutner.privacybrowser.helpers.OrbotProxyHelper; import com.stoutner.privacybrowser.dialogs.CreateHomeScreenShortcut; @@ -113,9 +118,22 @@ public class MainWebView extends AppCompatActivity implements NavigationView.OnN public static SslCertificate sslCertificate; + + // `drawerLayout` is used in `onCreate()`, `onNewIntent()`, and `onBackPressed()`. + private DrawerLayout drawerLayout; + + // `rootCoordinatorLayout` is used in `onCreate()` and `applySettings()`. + private CoordinatorLayout rootCoordinatorLayout; + // 'mainWebView' is used in `onCreate()`, `onOptionsItemSelected()`, `onNavigationItemSelected()`, `onRestart()`, `onCreateContextMenu()`, `findPreviousOnPage()`, `findNextOnPage()`, `closeFindOnPage()`, and `loadUrlFromTextBox()`. private WebView mainWebView; + // `findOnPageEditText` is used in `onCreate()`, `onOptionsItemSelected()`, and `closeFindOnPage()`. + private EditText findOnPageEditText; + + // `fullScreenVideoFrameLayout` is used in `onCreate()` and `onConfigurationChanged()`. + private FrameLayout fullScreenVideoFrameLayout; + // `swipeRefreshLayout` is used in `onCreate()`, `onPrepareOptionsMenu`, and `onRestart()`. private SwipeRefreshLayout swipeRefreshLayout; @@ -153,15 +171,18 @@ public class MainWebView extends AppCompatActivity implements NavigationView.OnN // `javaScriptEnabledSearchURL` is used in `loadURLFromTextBox()` and `applySettings()`. private String javaScriptEnabledSearchURL; + // `hideSystemBarsOnFullscreen` is used in `onCreate()` and `applySettings()`. + private boolean hideSystemBarsOnFullscreen; + + // `translucentNavigationBarOnFullscreen` is used in `onCreate()` and `applySettings()`. + private boolean translucentNavigationBarOnFullscreen; + // `mainMenu` is used in `onCreateOptionsMenu()` and `updatePrivacyIcons()`. private Menu mainMenu; // `drawerToggle` is used in `onCreate()`, `onPostCreate()`, `onConfigurationChanged()`, `onNewIntent()`, and `onNavigationItemSelected()`. private ActionBarDrawerToggle drawerToggle; - // `drawerLayout` is used in `onCreate()`, `onNewIntent()`, and `onBackPressed()`. - private DrawerLayout drawerLayout; - // `urlTextBox` is used in `onCreate()`, `onOptionsItemSelected()`, and `loadUrlFromTextBox()`. private EditText urlTextBox; @@ -171,9 +192,6 @@ public class MainWebView extends AppCompatActivity implements NavigationView.OnN // `sslErrorHandler` is used in `onCreate()`, `onSslErrorCancel()`, and `onSslErrorProceed`. private SslErrorHandler sslErrorHandler; - // `findOnPageEditText` is used in `onCreate()`, `onOptionsItemSelected()`, and `closeFindOnPage()`. - private EditText findOnPageEditText; - // `inputMethodManager` is used in `onOptionsItemSelected()`, `loadUrlFromTextBox()`, and `closeFindOnPage()`. private InputMethodManager inputMethodManager; @@ -182,17 +200,17 @@ public class MainWebView extends AppCompatActivity implements NavigationView.OnN @SuppressLint("SetJavaScriptEnabled") protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); - setContentView(R.layout.main_coordinatorlayout); + setContentView(R.layout.drawerlayout); // Get a handle for `inputMethodManager`. inputMethodManager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE); - // 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); + // We need to use the `SupportActionBar` from `android.support.v7.app.ActionBar` until the minimum API is >= 21. + Toolbar supportAppBar = (Toolbar) findViewById(R.id.app_bar); setSupportActionBar(supportAppBar); appBar = getSupportActionBar(); - // This is needed to get rid of the Android Studio warning that appBar might be null. + // This is needed to get rid of the Android Studio warning that `appBar` might be null. assert appBar != null; // Add the custom url_app_bar layout, which shows the favoriteIcon, urlTextBar, and progressBar. @@ -221,15 +239,96 @@ public class MainWebView extends AppCompatActivity implements NavigationView.OnN } }); - // Get handles for `fullScreenVideoFrameLayout`, `mainWebView`, and `find_on_page_edittext`. - final FrameLayout fullScreenVideoFrameLayout = (FrameLayout) findViewById(R.id.fullScreenVideoFrameLayout); + // Get handles for views that need to be accessed. + drawerLayout = (DrawerLayout) findViewById(R.id.drawerlayout); + rootCoordinatorLayout = (CoordinatorLayout) findViewById(R.id.root_coordinatorlayout); mainWebView = (WebView) findViewById(R.id.mainWebView); findOnPageEditText = (EditText) findViewById(R.id.find_on_page_edittext); + fullScreenVideoFrameLayout = (FrameLayout) findViewById(R.id.full_screen_video_framelayout); + + // Create a double-tap listener to toggle full-screen mode. + final GestureDetector gestureDetector = new GestureDetector(this, new GestureDetector.SimpleOnGestureListener() { + // Override `onDoubleTap()`. All other events are handled using the default settings. + @Override + public boolean onDoubleTap(MotionEvent event) { + if (appBar.isShowing()) { // If `appBar` is visible, switch to full screen mode. + // Hide the `appBar`. + appBar.hide(); + + // Hide the `BannerAd` in the free flavor. + if (BuildConfig.FLAVOR.contentEquals("free")) { + BannerAd.hideAd(adView); + } + + // Modify the system bars. + if (hideSystemBarsOnFullscreen) { // Hide everything. + // Remove the translucent overlays. + getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS); + + // Remove the translucent status bar overlay on the `Drawer Layout`, which is special and needs its own command. + drawerLayout.setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN); + + /* SYSTEM_UI_FLAG_FULLSCREEN hides the status bar at the top of the screen. + * SYSTEM_UI_FLAG_HIDE_NAVIGATION hides the navigation bar on the bottom or right of the screen. + * SYSTEM_UI_FLAG_IMMERSIVE_STICKY makes the status and navigation bars translucent and automatically rehides them after they are shown. + */ + rootCoordinatorLayout.setSystemUiVisibility(View.SYSTEM_UI_FLAG_FULLSCREEN | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY); + + // Set `rootCoordinatorLayout` to fill the whole screen. + rootCoordinatorLayout.setFitsSystemWindows(false); + } else { // Hide everything except the status and navigation bars. + // Set `rootCoordinatorLayout` to fit under the status and navigation bars. + rootCoordinatorLayout.setFitsSystemWindows(false); + + if (translucentNavigationBarOnFullscreen) { // There is an Android Support Library bug that causes a scrim to print on the right side of the `Drawer Layout` when the navigation bar is displayed on the right of the screen. + // Set the navigation bar to be translucent. + getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION); + } + } + } else { // Switch to normal viewing mode. + // Show the `appBar`. + appBar.show(); + + // Show the `BannerAd` in the free flavor. + if (BuildConfig.FLAVOR.contentEquals("free")) { + // Reload the ad. Because the screen may have rotated, we need to use `reloadAfterRotate`. + BannerAd.reloadAfterRotate(adView, getApplicationContext(), getString(R.string.ad_id)); + + // Reinitialize the `adView` variable, as the `View` will have been removed and re-added by `BannerAd.reloadAfterRotate()`. + adView = findViewById(R.id.adView); + } + + // Remove the translucent navigation bar flag if it is set. + getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION); + + // Add the translucent status flag if it is unset. This also resets `drawerLayout's` `View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN`. + getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS); + + // Remove any `SYSTEM_UI` flags from `rootCoordinatorLayout`. + rootCoordinatorLayout.setSystemUiVisibility(0); + + // Constrain `rootCoordinatorLayout` inside the status and navigation bars. + rootCoordinatorLayout.setFitsSystemWindows(true); + } + + // Consume the double-tap. + return true; + } + }); + + // Pass all touch events on `mainWebView` through `gestureDetector` to check for double-taps. + mainWebView.setOnTouchListener(new View.OnTouchListener() { + @Override + public boolean onTouch(View v, MotionEvent event) { + // Send the `event` to `gestureDetector`. + return gestureDetector.onTouchEvent(event); + } + }); // Update `findOnPageCountTextView`. mainWebView.setFindListener(new WebView.FindListener() { // Get a handle for `findOnPageCountTextView`. - TextView findOnPageCountTextView = (TextView) findViewById(R.id.find_on_page_count_textview); + final TextView findOnPageCountTextView = (TextView) findViewById(R.id.find_on_page_count_textview); @Override public void onFindResultReceived(int activeMatchOrdinal, int numberOfMatches, boolean isDoneCounting) { @@ -292,16 +391,14 @@ public class MainWebView extends AppCompatActivity implements NavigationView.OnN } }); - // Create the navigation drawer. - drawerLayout = (DrawerLayout) findViewById(R.id.drawerLayout); - // `DrawerTitle` identifies the drawer in accessibility mode. + // `DrawerTitle` identifies the `DrawerLayout` 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); + final NavigationView navigationView = (NavigationView) findViewById(R.id.navigationview); navigationView.setNavigationItemSelectedListener(this); - // Get handles for `navigationMenu` and the back and forward menu items. The menu is zero-based, so item 1 and 2 and the second and third items in the menu. + // Get handles for `navigationMenu` and the back and forward menu items. The menu is zero-based, so items 1, 2, and 3 are the second, third, and fourth entries in the menu. final Menu navigationMenu = navigationView.getMenu(); final MenuItem navigationBackMenuItem = navigationMenu.getItem(1); final MenuItem navigationForwardMenuItem = navigationMenu.getItem(2); @@ -334,7 +431,7 @@ public class MainWebView extends AppCompatActivity implements NavigationView.OnN }); // 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); + drawerToggle = new ActionBarDrawerToggle(this, drawerLayout, supportAppBar, R.string.open_navigation_drawer, R.string.close_navigation_drawer); 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. @@ -342,7 +439,7 @@ public class MainWebView extends AppCompatActivity implements NavigationView.OnN @SuppressWarnings("deprecation") @Override public boolean shouldOverrideUrlLoading(WebView view, String url) { - // Use an external email program if the link begins with "mailto:". + // Use an external email program if the link begins with `mailto:`. if (url.startsWith("mailto:")) { // We use `ACTION_SENDTO` instead of `ACTION_SEND` so that only email programs are launched. Intent emailIntent = new Intent(Intent.ACTION_SENDTO); @@ -428,38 +525,51 @@ public class MainWebView extends AppCompatActivity implements NavigationView.OnN // Enter full screen video @Override public void onShowCustomView(View view, CustomViewCallback callback) { - appBar.hide(); - - // Show the fullScreenVideoFrameLayout. - fullScreenVideoFrameLayout.addView(view); - fullScreenVideoFrameLayout.setVisibility(View.VISIBLE); + // Pause the ad if this is the free flavor. + if (BuildConfig.FLAVOR.contentEquals("free")) { + BannerAd.pauseAd(adView); + } - // Hide the mainWebView. - mainWebView.setVisibility(View.GONE); + // Remove the translucent overlays. + getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS); - // Hide the ad if this is the free flavor. - BannerAd.hideAd(adView); + // Remove the translucent status bar overlay on the `Drawer Layout`, which is special and needs its own command. + drawerLayout.setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN); - /* SYSTEM_UI_FLAG_HIDE_NAVIGATION hides the navigation bars on the bottom or right of the screen. - * SYSTEM_UI_FLAG_FULLSCREEN hides the status bar across the top of the screen. - * SYSTEM_UI_FLAG_IMMERSIVE_STICKY makes the navigation and status bars ghosted overlays and automatically rehides them. + /* SYSTEM_UI_FLAG_FULLSCREEN hides the status bar at the top of the screen. + * SYSTEM_UI_FLAG_HIDE_NAVIGATION hides the navigation bar on the bottom or right of the screen. + * SYSTEM_UI_FLAG_IMMERSIVE_STICKY makes the status and navigation bars translucent and automatically rehides them after they are shown. */ - view.setSystemUiVisibility(View.SYSTEM_UI_FLAG_HIDE_NAVIGATION | View.SYSTEM_UI_FLAG_FULLSCREEN | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY); + rootCoordinatorLayout.setSystemUiVisibility(View.SYSTEM_UI_FLAG_FULLSCREEN | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY); + + // Set `rootCoordinatorLayout` to fill the entire screen. + rootCoordinatorLayout.setFitsSystemWindows(false); + + // Add `view` to `fullScreenVideoFrameLayout` and display it on the screen. + fullScreenVideoFrameLayout.addView(view); + fullScreenVideoFrameLayout.setVisibility(View.VISIBLE); } // Exit full screen video public void onHideCustomView() { - appBar.show(); + // Hide `fullScreenVideoFrameLayout`. + fullScreenVideoFrameLayout.removeAllViews(); + fullScreenVideoFrameLayout.setVisibility(View.GONE); + + // Add the translucent status flag. This also resets `drawerLayout's` `View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN`. + getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS); - // Show the mainWebView. - mainWebView.setVisibility(View.VISIBLE); + // Set `rootCoordinatorLayout` to fit inside the status and navigation bars. This also clears the `SYSTEM_UI` flags. + rootCoordinatorLayout.setFitsSystemWindows(true); // Show the ad if this is the free flavor. - BannerAd.showAd(adView); + if (BuildConfig.FLAVOR.contentEquals("free")) { + // Reload the ad. Because the screen may have rotated, we need to use `reloadAfterRotate`. + BannerAd.reloadAfterRotate(adView, getApplicationContext(), getString(R.string.ad_id)); - // Hide the fullScreenVideoFrameLayout. - fullScreenVideoFrameLayout.removeAllViews(); - fullScreenVideoFrameLayout.setVisibility(View.GONE); + // Reinitialize the `adView` variable, as the `View` will have been removed and re-added by `BannerAd.reloadAfterRotate()`. + adView = findViewById(R.id.adView); + } } }); @@ -859,7 +969,7 @@ public class MainWebView extends AppCompatActivity implements NavigationView.OnN case R.id.find_on_page: // Hide the URL app bar. - Toolbar appBarToolbar = (Toolbar) findViewById(R.id.appBar); + Toolbar appBarToolbar = (Toolbar) findViewById(R.id.app_bar); appBarToolbar.setVisibility(View.GONE); // Show the Find on Page `RelativeLayout`. @@ -1055,11 +1165,14 @@ public class MainWebView extends AppCompatActivity implements NavigationView.OnN public void onConfigurationChanged(Configuration newConfig) { super.onConfigurationChanged(newConfig); - // Reload the ad if this is the free flavor. - BannerAd.reloadAfterRotate(adView, getApplicationContext(), getString(R.string.ad_id)); + // Reload the ad for the free flavor if we are not in full screen mode. + if (BuildConfig.FLAVOR.contentEquals("free") && adView.isShown() && !fullScreenVideoFrameLayout.isShown()) { + // Reload the ad. + BannerAd.reloadAfterRotate(adView, getApplicationContext(), getString(R.string.ad_id)); - // Reinitialize the adView variable, as the View will have been removed and re-added in the free flavor by BannerAd.reloadAfterRotate(). - adView = findViewById(R.id.adView); + // Reinitialize the `adView` variable, as the `View` will have been removed and re-added by `BannerAd.reloadAfterRotate()`. + adView = findViewById(R.id.adView); + } // `invalidateOptionsMenu` should recalculate the number of action buttons from the menu to display on the app bar, but it doesn't because of the this bug: https://code.google.com/p/android/issues/detail?id=20493#c8 // ActivityCompat.invalidateOptionsMenu(this); @@ -1304,11 +1417,9 @@ public class MainWebView extends AppCompatActivity implements NavigationView.OnN mainWebView.clearHistory(); } - // Override onBackPressed to handle the navigation drawer and mainWebView. + // Override `onBackPressed` to handle the navigation drawer and `mainWebView`. @Override public void onBackPressed() { - final WebView mainWebView = (WebView) findViewById(R.id.mainWebView); - // 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); @@ -1317,7 +1428,7 @@ public class MainWebView extends AppCompatActivity implements NavigationView.OnN if (mainWebView.canGoBack()) { mainWebView.goBack(); } else { - // Pass onBackPressed to the system. + // Pass `onBackPressed()` to the system. super.onBackPressed(); } } @@ -1327,10 +1438,14 @@ public class MainWebView extends AppCompatActivity implements NavigationView.OnN public void onPause() { // Pause `mainWebView`. mainWebView.onPause(); + + // Stop all JavaScript. mainWebView.pauseTimers(); - // We need to pause the adView or it will continue to consume resources in the background on the free flavor. - BannerAd.pauseAd(adView); + // Pause the adView or it will continue to consume resources in the background on the free flavor. + if (BuildConfig.FLAVOR.contentEquals("free")) { + BannerAd.pauseAd(adView); + } super.onPause(); } @@ -1339,12 +1454,16 @@ public class MainWebView extends AppCompatActivity implements NavigationView.OnN public void onResume() { super.onResume(); - // Resume `mainWebView`. + // Resume JavaScript (if enabled). mainWebView.resumeTimers(); + + // Resume `mainWebView`. mainWebView.onResume(); - // We need to resume the adView for the free flavor. - BannerAd.resumeAd(adView); + // Resume the adView for the free flavor. + if (BuildConfig.FLAVOR.contentEquals("free")) { + BannerAd.resumeAd(adView); + } } @Override @@ -1429,7 +1548,7 @@ public class MainWebView extends AppCompatActivity implements NavigationView.OnN findOnPageLinearLayout.setVisibility(View.GONE); // Show the URL app bar. - Toolbar appBarToolbar = (Toolbar) findViewById(R.id.appBar); + Toolbar appBarToolbar = (Toolbar) findViewById(R.id.app_bar); appBarToolbar.setVisibility(View.VISIBLE); // Hide the keyboard so we can see the webpage. `0` indicates no additional flags. @@ -1441,7 +1560,7 @@ public class MainWebView extends AppCompatActivity implements NavigationView.OnN SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this); // Store the values from `sharedPreferences` in variables. - String userAgentString = sharedPreferences.getString("user_agent", "Default user agent"); + String userAgentString = sharedPreferences.getString("user_agent", "PrivacyBrowser/1.0"); String customUserAgentString = sharedPreferences.getString("custom_user_agent", "PrivacyBrowser/1.0"); String javaScriptDisabledSearchString = sharedPreferences.getString("javascript_disabled_search", "https://duckduckgo.com/html/?q="); String javaScriptDisabledCustomSearchString = sharedPreferences.getString("javascript_disabled_search_custom_url", ""); @@ -1452,6 +1571,8 @@ public class MainWebView extends AppCompatActivity implements NavigationView.OnN swipeToRefreshEnabled = sharedPreferences.getBoolean("swipe_to_refresh_enabled", false); boolean doNotTrackEnabled = sharedPreferences.getBoolean("do_not_track", true); boolean proxyThroughOrbot = sharedPreferences.getBoolean("proxy_through_orbot", false); + hideSystemBarsOnFullscreen = sharedPreferences.getBoolean("hide_system_bars", false); + translucentNavigationBarOnFullscreen = sharedPreferences.getBoolean("translucent_navigation_bar", true); // Because they can be modified on-the-fly by the user, these default settings are only applied when the program first runs. if (javaScriptEnabled == null) { // If `javaScriptEnabled` is null the program is just starting. @@ -1525,6 +1646,37 @@ public class MainWebView extends AppCompatActivity implements NavigationView.OnN } else { // Reset the proxy to default. The host is `""` and the port is `"0"`. OrbotProxyHelper.setProxy(getApplicationContext(), this, "", "0"); } + + // If we are in full screen mode update the `SYSTEM_UI` flags. + if (!appBar.isShowing()) { + if (hideSystemBarsOnFullscreen) { // Hide everything. + // Remove the translucent navigation setting if it is currently flagged. + getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION); + + // Remove the translucent status bar overlay. + getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS); + + // Remove the translucent status bar overlay on the `Drawer Layout`, which is special and needs its own command. + drawerLayout.setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN); + + /* SYSTEM_UI_FLAG_FULLSCREEN hides the status bar at the top of the screen. + * SYSTEM_UI_FLAG_HIDE_NAVIGATION hides the navigation bar on the bottom or right of the screen. + * SYSTEM_UI_FLAG_IMMERSIVE_STICKY makes the status and navigation bars translucent and automatically rehides them after they are shown. + */ + rootCoordinatorLayout.setSystemUiVisibility(View.SYSTEM_UI_FLAG_FULLSCREEN | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY); + } else { // Hide everything except the status and navigation bars. + // Add the translucent status flag if it is unset. + getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS); + + if (translucentNavigationBarOnFullscreen) { + // Set the navigation bar to be translucent. + getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION); + } else { + // Set the navigation bar to be black. + getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION); + } + } + } } private void updatePrivacyIcons(boolean runInvalidateOptionsMenu) {