| package foo.bar.printservice2; |
| |
| import android.content.Intent; |
| import android.net.Uri; |
| import android.os.AsyncTask; |
| import android.os.Handler; |
| import android.os.Looper; |
| import android.os.Message; |
| import android.print.PrintAttributes; |
| import android.print.PrintAttributes.Margins; |
| import android.print.PrintAttributes.Resolution; |
| import android.print.PrintAttributes.Tray; |
| import android.print.PrintJobInfo; |
| import android.print.PrinterId; |
| import android.print.PrinterInfo; |
| import android.printservice.PrintJob; |
| import android.printservice.PrintService; |
| import android.util.Log; |
| import android.widget.Toast; |
| |
| import java.io.BufferedInputStream; |
| import java.io.BufferedOutputStream; |
| import java.io.File; |
| import java.io.FileInputStream; |
| import java.io.FileOutputStream; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.OutputStream; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| public class MyPrintService extends PrintService { |
| |
| private static final String LOG_TAG = MyPrintService.class.getSimpleName(); |
| |
| private Handler mHandler; |
| |
| @Override |
| protected void onConnected() { |
| mHandler = new MyHandler(getMainLooper()); |
| Log.i(LOG_TAG, "#onConnected()"); |
| } |
| |
| @Override |
| protected void onDisconnected() { |
| Log.i(LOG_TAG, "#onDisconnected()"); |
| } |
| |
| @Override |
| protected void onStartPrinterDiscovery() { |
| Log.i(LOG_TAG, "#onStartDiscoverPrinters()"); |
| Message message1 = mHandler.obtainMessage(MyHandler.MESSAGE_ADD_FIRST_FAKE_PRINTER); |
| mHandler.sendMessageDelayed(message1, 0); |
| |
| Message message2 = mHandler.obtainMessage(MyHandler.MESSAGE_ADD_SECOND_FAKE_PRINTER); |
| mHandler.sendMessageDelayed(message2, 10000); |
| } |
| |
| @Override |
| protected void onStopPrinterDiscovery() { |
| Log.i(LOG_TAG, "#onStopDiscoverPrinters()"); |
| } |
| |
| @Override |
| public void onPrintJobQueued(final PrintJob printJob) { |
| Log.i(LOG_TAG, "#onPrintJobPending()"); |
| PrintJobInfo info = printJob.getInfo(); |
| final File file = new File(getFilesDir(), info.getLabel() + ".pdf"); |
| if (file.exists()) { |
| file.delete(); |
| } |
| AsyncTask<Void, Void, Void> task = new AsyncTask<Void, Void, Void>() { |
| @Override |
| protected Void doInBackground(Void... params) { |
| InputStream in = new BufferedInputStream( |
| new FileInputStream(printJob.getData())); |
| OutputStream out = null; |
| try { |
| out = new BufferedOutputStream(new FileOutputStream(file)); |
| final byte[] buffer = new byte[8192]; |
| while (true) { |
| final int readByteCount = in.read(buffer); |
| if (readByteCount < 0) { |
| break; |
| } |
| out.write(buffer, 0, readByteCount); |
| } |
| } catch (IOException ioe) { |
| /* ignore */ |
| } finally { |
| try { |
| in.close(); |
| } catch (IOException ioe) { |
| /* ignore */ |
| } |
| if (out != null) { |
| try { |
| out.close(); |
| } catch (IOException ioe) { |
| /* ignore */ |
| } |
| } |
| } |
| return null; |
| } |
| |
| @Override |
| protected void onPostExecute(Void result) { |
| file.setExecutable(true, false); |
| file.setWritable(true, false); |
| file.setReadable(true, false); |
| |
| Intent intent = new Intent(Intent.ACTION_VIEW); |
| intent.setDataAndType(Uri.fromFile(file), "application/pdf"); |
| intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK); |
| startActivity(intent, null); |
| |
| if (printJob.isQueued()) { |
| printJob.start(); |
| } |
| |
| PrintJobInfo info = printJob.getInfo(); |
| Toast.makeText(MyPrintService.this, |
| "Printer: " + info.getPrinterId().getName() |
| + " copies: " + info.getAttributes().getCopies(), |
| Toast.LENGTH_SHORT).show(); |
| |
| if (printJob.isStarted()) { |
| printJob.complete(); |
| } |
| } |
| }; |
| task.executeOnExecutor(AsyncTask.SERIAL_EXECUTOR, (Void[]) null); |
| } |
| |
| private void addFirstFakePrinter() { |
| PrinterId printerId = generatePrinterId("1"); |
| PrinterInfo printer = new PrinterInfo.Builder(printerId, "Printer 1") |
| .setStatus(PrinterInfo.STATUS_READY) |
| .setMinMargins(new Margins(0, 0, 0, 0), new Margins(0, 0, 0, 0)) |
| .addMediaSize(PrintAttributes.MediaSize.ISO_A2, false) |
| .addMediaSize(PrintAttributes.MediaSize.ISO_A3, false) |
| .addMediaSize(PrintAttributes.MediaSize.ISO_A4, false) |
| .addMediaSize(PrintAttributes.MediaSize.ISO_A5, false) |
| .addMediaSize(PrintAttributes.MediaSize.ISO_A6, false) |
| .addMediaSize(PrintAttributes.MediaSize.NA_LETTER, true) |
| .addResolution(new Resolution("R1", getPackageName(), |
| R.string.resolution_600x600, 600, 600), true) |
| .addInputTray(new Tray("FirstInputTray", getPackageName(), |
| R.string.input_tray_first), false) |
| .addOutputTray(new Tray("FirstOutputTray", getPackageName(), |
| R.string.output_tray_first), false) |
| .setDuplexModes(PrintAttributes.DUPLEX_MODE_NONE |
| | PrintAttributes.DUPLEX_MODE_LONG_EDGE |
| | PrintAttributes.DUPLEX_MODE_SHORT_EDGE, |
| PrintAttributes.DUPLEX_MODE_NONE) |
| .setColorModes(PrintAttributes.COLOR_MODE_COLOR |
| | PrintAttributes.COLOR_MODE_MONOCHROME, |
| PrintAttributes.COLOR_MODE_COLOR) |
| .setFittingModes(PrintAttributes.FITTING_MODE_NONE |
| | PrintAttributes.FITTING_MODE_FIT_TO_PAGE, |
| PrintAttributes.FITTING_MODE_NONE) |
| .setOrientations(PrintAttributes.ORIENTATION_PORTRAIT |
| | PrintAttributes.ORIENTATION_LANDSCAPE, |
| PrintAttributes.ORIENTATION_PORTRAIT) |
| .create(); |
| List<PrinterInfo> printers = new ArrayList<PrinterInfo>(); |
| printers.add(printer); |
| addPrinters(printers); |
| } |
| |
| private void addSecondFakePrinter() { |
| PrinterId printerId = generatePrinterId("2"); |
| PrinterInfo printer = new PrinterInfo.Builder(printerId, "Printer 2") |
| .setStatus(PrinterInfo.STATUS_READY) |
| .setMinMargins(new Margins(0, 0, 0, 0), new Margins(0, 0, 0, 0)) |
| .addMediaSize(PrintAttributes.MediaSize.ISO_A4, true) |
| .addMediaSize(PrintAttributes.MediaSize.ISO_A5, false) |
| .addResolution(new Resolution("R1", getPackageName(), |
| R.string.resolution_200x200, 200, 200), true) |
| .addResolution(new Resolution("R2", getPackageName(), |
| R.string.resolution_300x300, 300, 300), false) |
| .addInputTray(new Tray("FirstInputTray", getPackageName(), |
| R.string.input_tray_first), false) |
| .addInputTray(new Tray("SecondInputTray", getPackageName(), |
| R.string.input_tray_second), true) |
| .addOutputTray(new Tray("FirstOutputTray", getPackageName(), |
| R.string.output_tray_first), false) |
| .addOutputTray(new Tray("SecondOutputTray", getPackageName(), |
| R.string.output_tray_second), true) |
| .setDuplexModes(PrintAttributes.DUPLEX_MODE_NONE |
| | PrintAttributes.DUPLEX_MODE_LONG_EDGE |
| | PrintAttributes.DUPLEX_MODE_SHORT_EDGE, |
| PrintAttributes.DUPLEX_MODE_SHORT_EDGE) |
| .setColorModes(PrintAttributes.COLOR_MODE_COLOR |
| | PrintAttributes.COLOR_MODE_MONOCHROME, |
| PrintAttributes.COLOR_MODE_MONOCHROME) |
| .setFittingModes(PrintAttributes.FITTING_MODE_FIT_TO_PAGE |
| | PrintAttributes.FITTING_MODE_NONE, |
| PrintAttributes.FITTING_MODE_FIT_TO_PAGE) |
| .setOrientations(PrintAttributes.ORIENTATION_PORTRAIT |
| | PrintAttributes.ORIENTATION_LANDSCAPE, |
| PrintAttributes.ORIENTATION_LANDSCAPE) |
| .create(); |
| List<PrinterInfo> printers = new ArrayList<PrinterInfo>(); |
| printers.add(printer); |
| addPrinters(printers); |
| } |
| |
| private final class MyHandler extends Handler { |
| |
| public static final int MESSAGE_ADD_FIRST_FAKE_PRINTER = 1; |
| public static final int MESSAGE_ADD_SECOND_FAKE_PRINTER = 2; |
| |
| public MyHandler(Looper looper) { |
| super(looper, null, true); |
| } |
| |
| @Override |
| public void handleMessage(Message message) { |
| switch (message.what) { |
| case MESSAGE_ADD_FIRST_FAKE_PRINTER: { |
| addFirstFakePrinter(); |
| } break; |
| case MESSAGE_ADD_SECOND_FAKE_PRINTER: { |
| addSecondFakePrinter(); |
| } break; |
| } |
| } |
| } |
| } |