/** Metoda odpowiedzialna za przerysowanie ekranu */ public void updateScreen() { Graphics g = getGraphics(); if (displayedScreen == PLAYER_SCREEN) { if (backgroundLayer != null) { backgroundLayer.paint(g); } if ((bluetoothPlayer.getIsConnectedToServer() == false) && (bluetoothPlayer.getBluetoothError() == false)) drawText(g, "Connecting...", 0); else if (bluetoothPlayer.getBluetoothError() == true) drawText(g, "Disconnected", 0); else { if (bluetoothPlayer.getTitle() != null) { drawText(g, bluetoothPlayer.getTitle(), 0); } if (bluetoothPlayer.getArtist() != null) { drawText(g, bluetoothPlayer.getArtist(), 1); } if (showVolume > 0) { showVolume--; drawText(g, " Volume: " + volumeLevel + "%", 2); } } if (bluetoothPlayer.isBluetoothOn()) { if (bluetoothPlayer.getInquiryStarted()) { showInquiryProgress(g, inquiryProgress += 20); if (inquiryProgress >= 360) inquiryProgress = 0; } else { inquiryProgress = 0; showInquiryProgress(g, 0); } } else { drawText(g, "Please turn your Bluetooth device on", 1); } playPauseSprite.setPosition(screenWidth / 2 - 16, screenHeight - 66 + buttonsLocation); previousSprite.setPosition(screenWidth / 2 - 55, screenHeight - 66 + buttonsLocation); nextSprite.setPosition(screenWidth / 2 + 23, screenHeight - 66 + buttonsLocation); playPauseSprite.paint(g); previousSprite.paint(g); nextSprite.paint(g); if (bluetoothPlayer.getTotalTime() != 0) showProgressBar(g, bluetoothPlayer.getCurrentTime(), bluetoothPlayer.getTotalTime()); else showProgressBar(g, 0, 100); } else if (displayedScreen == MEDIA_LIBRARY_LOADING) { if (backgroundLayer != null) { backgroundLayer.paint(g); } if (bluetoothPlayer.getIsConnectedToServer() == true) { drawText(g, "Loading media library", 0); drawText(g, "Please wait...", 1); // display size of the media library if (bluetoothPlayer.getMediaLibrarySize() >= 1024) { drawText( g, "Total size: " + bluetoothPlayer.getMediaLibrarySize() / 1024 + "." + (bluetoothPlayer.getMediaLibrarySize() % 1024) * 100 / 1024 + " kB", 3); } else drawText(g, "Total size: " + bluetoothPlayer.getMediaLibrarySize() + " B", 3); int size = bluetoothPlayer.getMediaLibrarySize(); if (size == 0) // to avoid dividing by zero size = 1; showProgressBar(g, bluetoothPlayer.getMediaLibraryDownloadedBytes(), size); // if the playlist file was downloaded and parsed if (bluetoothPlayer.getMediaLibrary().getLibraryDownloadedAndParsed() == true) setDisplayedScreen(MainCanvas.MEDIA_LIBRARY_SCREEN); } else drawText(g, "You're not connected", 0); } else if (displayedScreen == MEDIA_LIBRARY_SCREEN) { if (backgroundLayer != null) { backgroundLayer.paint(g); } showMediaLibrary( g, bluetoothPlayer, mediaLibrarySelectedItemOnScreen, mediaLibraryItemsNumberOnScreen); } flushGraphics(); }