#Region Project Attributes
#ApplicationLabel: Print PDF
#VersionCode: 1
#VersionName:
'SupportedOrientations possible values: unspecified, landscape or portrait.
#SupportedOrientations: unspecified
#CanInstallToExternalStorage: False
#End Region
#Region Activity Attributes
#FullScreen: False
#IncludeTitle: True
#End Region
Sub Process_Globals
Dim Serial1 As Serial
Dim wmac As String
End Sub
Sub Globals
Private btImprimir As Button
Private btDesconectar As Button
Private btConect As Button
End Sub
Sub Activity_Create(FirstTime As Boolean)
Activity.LoadLayout("1")
Serial1.Initialize("Serial1")
btConect.Enabled=True
btImprimir.Enabled=False
btDesconectar.Enabled=False
End Sub
Sub btImprimir_Click
File.Copy(File.DirAssets, "teste.pdf", File.DirRootExternal, "1.pdf")
PrintPDF(File.DirRootExternal, "1.pdf")
End Sub
Sub Activity_Resume
If Serial1.IsEnabled = False Then
Msgbox("Habilite o BlueToof", "")
End If
End Sub
Sub Activity_Pause (UserClosed As Boolean)
If btDesconectar.Enabled = True Then Serial1.Disconnect
End Sub
Sub btConect_Click
Dim PairedDevices As Map
PairedDevices = Serial1.GetPairedDevices
Dim l As List
l.Initialize
For i = 0 To PairedDevices.Size - 1
l.Add(PairedDevices.GetKeyAt(i))
Next
wmac = ""
Dim res As Int
res = InputList(l, "Escolha o Dispositivo", -1)
If res <> DialogResponse.CANCEL Then
wmac = PairedDevices.Get(l.Get(res))
Serial1.Connect(wmac) 'convert the name to mac address
End If
End Sub
Sub btDesconectar_Click
Serial1.Disconnect
btConect.Enabled=True
btImprimir.Enabled=False
btDesconectar.Enabled=False
End Sub
Sub Serial1_Connected (Success As Boolean)
If Success Then
ToastMessageShow("Você está Conectado", False)
btConect.Enabled=False
btImprimir.Enabled=True
btDesconectar.Enabled=True
Else
Msgbox(LastException.Message, "Problemas na Conexão ")
End If
End Sub
Sub PrintPDF(Dir As String, FileName As String)
Try
Dim ctxt As JavaObject
ctxt.InitializeContext
Dim jPrintManager As JavaObject = ctxt.RunMethod("getSystemService", Array As Object(wmac))
'line 111 - error : (Exception) java.lang.Exception: java.lang.ClassNotFoundException: b4a$example$main$PrintPDFAdapter
Dim jPrintAdapter As JavaObject
jPrintAdapter.InitializeNewInstance(Application.PackageName & ".main$PrintPDFAdapter", Array (File.Combine(Dir, FileName), FileName))
Dim jobName As String = "Document"
jPrintManager.RunMethod( wmac, Array As Object(jobName, jPrintAdapter, Null))
Catch
Log(LastException)
End Try
End Sub
#if Java
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import android.os.Bundle;
import android.os.CancellationSignal;
import android.os.ParcelFileDescriptor;
import android.print.PageRange;
import android.print.PrintAttributes;
import android.print.PrintDocumentAdapter;
import android.print.PrintDocumentInfo;
public static class PrintPDFAdapter extends PrintDocumentAdapter {
private String pdfFile;
private String fileName;
public PrintPDFAdapter(String pdfFile, String fileName) {
this.pdfFile = pdfFile;
this.fileName = fileName;
}
@Override
public void onLayout(PrintAttributes oldAttributes, PrintAttributes newAttributes, CancellationSignal cancellationSignal, LayoutResultCallback callback, Bundle extras) {
if (cancellationSignal.isCanceled()) {
callback.onLayoutCancelled();
return;
}
PrintDocumentInfo pdi = new PrintDocumentInfo.Builder(fileName).setContentType(PrintDocumentInfo.CONTENT_TYPE_DOCUMENT).build();
callback.onLayoutFinished(pdi, true);
}
@Override
public void onWrite(PageRange[] pages, ParcelFileDescriptor destination, CancellationSignal cancellationSignal, WriteResultCallback callback) {
InputStream input = null;
OutputStream output = null;
try {
input = new FileInputStream(pdfFile);
output = new FileOutputStream(destination.getFileDescriptor());
byte[] buf = new byte[1024];
int bytesRead;
while ((bytesRead = input.read(buf)) > 0) {
output.write(buf, 0, bytesRead);
}
callback.onWriteFinished(new PageRange[]{PageRange.ALL_PAGES});
} catch (Exception e) {
throw new RuntimeException(e);
} finally {
try {
input.close();
output.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
}
#end if
