public interface CopyFileListener
    {
        void PublishProgress(long fileSize,long copiedSize);
    }

 textView.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                
            }
        });

public class MemoryWare {

    public interface CopyFileListener
    {
        void PublishProgress(long fileSize,long copiedSize);
    }
....
}

SetOnClickListener

 editText.addTextChangedListener(new TextWatcher() {
            @Override
            public void beforeTextChanged(CharSequence s, int start, int count, int after) {

            }

            @Override
            public void onTextChanged(CharSequence s, int start, int before, int count) {

            }

            @Override
            public void afterTextChanged(Editable s) {

            }
        });

  @Override
    public View getView(int position, View rowView, ViewGroup parent) {

        ViewHolder viewHolder=null;
        if(rowView==null)
        {
            // 1. Create inflater
            LayoutInflater inflater = (LayoutInflater) context
                    .getSystemService(Context.LAYOUT_INFLATER_SERVICE);

            // 2. Get rowView from inflater
            rowView = inflater.inflate(R.layout.row_bank_group_list, parent, false);
            viewHolder=new ViewHolder();
            viewHolder.txtGroupName=(TextView) rowView.findViewById(R.id.text_groupName);
            rowView.setTag(viewHolder);
        }
        else
        {
            viewHolder=(ViewHolder)rowView.getTag();
        }
        viewHolder.txtGroupName.setText(getItem(position).getName());
        viewHolder.txtGroupName.setTypeface(new FontSystem().get_General_Font(context));
        viewHolder.txtGroupName.setTextColor(context.getResources().getColor(R.color.black));

        return rowView;
    }

File file=new File(sdcardPath,fileName);

if(file.CanWrite())
{
  .....
}

File file=new File(sdcardPath);

if(file.CanWrite())
{
file=new File(sdcardPath,filePath);
  .....
}

Environment.getExternalStorageDirectory()

/Data/Data

/Data/Data/Info.Dotnettips.MyApp

    /**
     * it will returns sd path for you
     *  <p>
     *  <b>Required Permission: </b>android.permission.READ_EXTERNAL_STORAGE<br/>
     * </p>
     * @return
     */
    public  List<String> GetExternalMounts() {
        final List<String> out = new ArrayList<>();
        String reg = "(?i).*vold.*(vfat|ntfs|exfat|fat32|ext3|ext4).*rw.*";
        String s = "";
        try {
            final Process process = new ProcessBuilder().command("mount")
                    .redirectErrorStream(true).start();
            process.waitFor();
            final InputStream is = process.getInputStream();
            final byte[] buffer = new byte[1024];
            while (is.read(buffer) != -1) {
                s = s + new String(buffer);
            }
            is.close();
        } catch (final Exception e) {
            e.printStackTrace();
        }

        // parse output
        final String[] lines = s.split("\n");
        for (String line : lines) {
            if (!line.toLowerCase(Locale.US).contains("asec")) {
                if (line.matches(reg)) {
                    String[] parts = line.split(" ");
                    for (String part : parts) {
                        if (part.startsWith("/"))
                            if (!part.toLowerCase(Locale.US).contains("vold"))
                                if(new File(part).canWrite())
                                    out.add(part);
                    }
                }
            }
        }
        return out;
    }

notesIntent.putExtra("PartyId", PartyId);
startActivity(notesIntent);

PartyId=getIntent().getLongExtra("PartyId",0);

i.putExtra(FilePickerActivity.EXTRA_ALLOW_MULTIPLE, false);
i.putExtra(FilePickerActivity.EXTRA_ALLOW_CREATE_DIR, false);
i.putExtra(FilePickerActivity.EXTRA_MODE, FilePickerActivity.MODE_FILE);

public class MyClass {
    public static final int SOME_CONSTANT = 42;
    public int publicField;
    private static MyClass sSingleton;
    int mPackagePrivate;
    private int mPrivate;
    protected int mProtected;
}

public, protected, private,abstract, static, transient, volatile, synchronized, final, native.

Settings>Editor>Code Style>Arrangement

Settings>Editor>Completion>Case-sensitive Completion>None

namespace WpfRptTests.Model
{
  public class Product
  {
      public string Name { set; get; }
      public int Price { set; get; }
  }
}

<FlowDocument xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
            xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
            FlowDirection="RightToLeft" FontFamily="Tahoma"
            xmlns:xrd="clr-namespace:CodeReason.Reports.Document;assembly=CodeReason.Reports"
            PageHeight="29.7cm" PageWidth="21cm" ColumnWidth="21cm">  

</FlowDocument>

  <xrd:ReportProperties>
      <xrd:ReportProperties.ReportName>SimpleReport</xrd:ReportProperties.ReportName>
      <xrd:ReportProperties.ReportTitle>گزارش از محصولات</xrd:ReportProperties.ReportTitle>
  </xrd:ReportProperties>

    <xrd:SectionReportHeader PageHeaderHeight="2" Padding="10,10,10,0" FontSize="12">
      <Table CellSpacing="0">
          <Table.Columns>
              <TableColumn Width="*" />
              <TableColumn Width="*" />
          </Table.Columns>
          <TableRowGroup>
              <TableRow>
                  <TableCell>
                      <Paragraph>
                          <xrd:InlineContextValue PropertyName="ReportTitle" />
                      </Paragraph>
                  </TableCell>
                  <TableCell>
                      <Paragraph TextAlignment="Right">
                          <xrd:InlineDocumentValue PropertyName="PrintDate" Format="dd.MM.yyyy HH:mm:ss" />
                      </Paragraph>
                  </TableCell>
              </TableRow>
          </TableRowGroup>
      </Table>
  </xrd:SectionReportHeader>

  <xrd:SectionReportFooter PageFooterHeight="2" Padding="10,0,10,10" FontSize="12">
      <Table CellSpacing="0">
          <Table.Columns>
              <TableColumn Width="*" />
              <TableColumn Width="*" />
          </Table.Columns>
          <TableRowGroup>
              <TableRow>
                  <TableCell>
                      <Paragraph>
                          نام کاربر:
                          <xrd:InlineDocumentValue PropertyName="RptBy" Format="dd.MM.yyyy HH:mm:ss" />
                      </Paragraph>
                  </TableCell>
                  <TableCell>
                      <Paragraph TextAlignment="Right">
                          صفحه
                          <xrd:InlineContextValue PropertyName="PageNumber" FontWeight="Bold" /> از
                          <xrd:InlineContextValue PropertyName="PageCount" FontWeight="Bold" />
                      </Paragraph>
                  </TableCell>
              </TableRow>
          </TableRowGroup>
      </Table>
  </xrd:SectionReportFooter>

data.ReportDocumentValues.Add("PrintDate", DateTime.Now);
data.ReportDocumentValues.Add("RptBy", "وحید");

  <Section Padding="80,10,40,10" FontSize="12">
      <Paragraph FontSize="24" TextAlignment="Center" FontWeight="Bold">
          <xrd:InlineContextValue PropertyName="ReportTitle" />
      </Paragraph>
      <Paragraph  TextAlignment="Center">
          گزارش از لیست محصولات در تاریخ:
          <xrd:InlineDocumentValue PropertyName="PrintDate" Format="dd.MM.yyyy HH:mm:ss" />
          توسط:
          <xrd:InlineDocumentValue PropertyName="RptBy" Format="dd.MM.yyyy HH:mm:ss" />
      </Paragraph>
      <xrd:SectionDataGroup DataGroupName="ItemList">
          <Table CellSpacing="0" BorderBrush="Black" BorderThickness="0.02cm">
              <Table.Resources>
                  <!-- Style for header/footer rows. -->
                  <Style x:Key="headerFooterRowStyle" TargetType="{x:Type TableRowGroup}">
                      <Setter Property="FontWeight" Value="DemiBold"/>
                      <Setter Property="FontSize" Value="16"/>
                      <Setter Property="Background" Value="LightGray"/>
                  </Style>

                  <!-- Style for data rows. -->
                  <Style x:Key="dataRowStyle" TargetType="{x:Type TableRowGroup}">
                      <Setter Property="FontSize" Value="12"/>
                  </Style>

                  <!-- Style for data cells. -->
                  <Style TargetType="{x:Type TableCell}">
                      <Setter Property="Padding" Value="0.1cm"/>
                      <Setter Property="BorderBrush" Value="Black"/>
                      <Setter Property="BorderThickness" Value="0.01cm"/>
                  </Style>
              </Table.Resources>

              <Table.Columns>
                  <TableColumn Width="0.8*" />
                  <TableColumn Width="0.2*" />
              </Table.Columns>
              <TableRowGroup Style="{StaticResource headerFooterRowStyle}">
                  <TableRow>
                      <TableCell>
                          <Paragraph TextAlignment="Center">
                              <Bold>نام محصول</Bold>
                          </Paragraph>
                      </TableCell>
                      <TableCell>
                          <Paragraph TextAlignment="Center">
                              <Bold>قیمت</Bold>
                          </Paragraph>
                      </TableCell>
                  </TableRow>
              </TableRowGroup>

              <TableRowGroup Style="{StaticResource dataRowStyle}">
                  <xrd:TableRowForDataTable TableName="Product">
                      <TableCell>
                          <Paragraph>
                              <xrd:InlineTableCellValue PropertyName="Name" />
                          </Paragraph>
                      </TableCell>
                      <TableCell>
                          <Paragraph TextAlignment="Center">
                              <xrd:InlineTableCellValue PropertyName="Price" AggregateGroup="Group1" />
                          </Paragraph>
                      </TableCell>
                  </xrd:TableRowForDataTable>
              </TableRowGroup>

              <TableRowGroup Style="{StaticResource headerFooterRowStyle}">
                  <TableRow>
                      <TableCell>
                          <Paragraph TextAlignment="Right">
                              <Bold>جمع کل</Bold>
                          </Paragraph>
                      </TableCell>
                      <TableCell>
                          <Paragraph TextAlignment="Center">
                              <Bold>
                                  <xrd:InlineAggregateValue AggregateGroup="Group1"
                                                            AggregateValueType="Sum"
                                                            EmptyValue="0"
                                                            FontWeight="Bold" />
                              </Bold>
                          </Paragraph>
                      </TableCell>
                  </TableRow>
              </TableRowGroup>

          </Table>

          <Paragraph TextAlignment="Center" Margin="5">
              در این گزارش
              <xrd:InlineAggregateValue AggregateGroup="Group1"
                                        AggregateValueType="Count"
                                        EmptyValue="هیچ"
                                        FontWeight="Bold" /> محصول با جمع کل قیمت
              <xrd:InlineAggregateValue AggregateGroup="Group1"
                                        AggregateValueType="Sum"
                                        EmptyValue="0"
                                        FontWeight="Bold" /> وجود دارند.
          </Paragraph>
      </xrd:SectionDataGroup>
  </Section>

<Window x:Class="WpfRptTests.MainWindow"
      xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
      xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
      xmlns:c="clr-namespace:CodeReason.Reports.Controls;assembly=CodeReason.Reports"
      xmlns:vm="clr-namespace:WpfRptTests.ViewModel"
      Title="MainWindow" WindowState="Maximized" Height="350" Width="525">
  <Window.Resources>
      <vm:ProductViewModel x:Key="vmProductViewModel" />
  </Window.Resources>
  <Grid DataContext="{Binding Source={StaticResource vmProductViewModel}}">
      <c:BusyDecorator IsBusyIndicatorHidden="{Binding RptGuiModel.IsBusyIndicatorHidden}">
          <DocumentViewer Document="{Binding RptGuiModel.Document}"  />
      </c:BusyDecorator>
  </Grid>
</Window>

using System.ComponentModel;
using System.Windows.Documents;

namespace WpfRptTests.Model
{
  public class RptGuiModel
  {
      public IDocumentPaginatorSource Document { get; set; }
      public bool IsBusyIndicatorHidden { get; set; }
  }
}

using System;
using System.Collections.Generic;
using System.IO;
using System.Threading;
using CodeReason.Reports;
using WpfRptTests.Helper;
using WpfRptTests.Model;

namespace WpfRptTests.ViewModel
{
  public class ProductViewModel
  {
      #region Constructors (1)

      public ProductViewModel()
      {
          RptGuiModel = new RptGuiModel();
          if (Stat.IsInDesignMode) return;
          //انجام عملیات نمایش گزارش در یک ترد دیگر جهت قفل نشدن ترد اصلی برنامه
          showReportAsync();
      }

      #endregion Constructors

      #region Properties (1)

      public RptGuiModel RptGuiModel { set; get; }

      #endregion Properties

      #region Methods (3)

      // Private Methods (3)

      private static List<Product> getProducts()
      {
          var products = new List<Product>();
          for (var i = 0; i < 100; i++)
              products.Add(new Product { Name = string.Format("Product{0}", i), Price = i });

          return products;
      }

      private void showReport()
      {
          try
          {
              //Show BusyIndicator
              RptGuiModel.IsBusyIndicatorHidden = false;

              var reportDocument =
                  new ReportDocument
                  {
                      XamlData = File.ReadAllText(@"Report\SimpleReport.xaml"),
                      XamlImagePath = Path.Combine(Environment.CurrentDirectory, @"Report\")
                  };

              var data = new ReportData();

              // تعریف متغیرهای دلخواه و مقدار دهی آن‌ها
              data.ReportDocumentValues.Add("PrintDate", DateTime.Now);
              data.ReportDocumentValues.Add("RptBy", "وحید");

              // استفاده از یک سری اطلاعات آزمایشی به عنوان منبع داده
              data.DataTables.Add(getProducts().ToDataTable());

              var xps = reportDocument.CreateXpsDocument(data);
              //انقیاد آن به صورت غیر همزمان در ترد اصلی برنامه
              DispatcherHelper.DispatchAction(
                  () => RptGuiModel.Document = xps.GetFixedDocumentSequence()
                  );
          }
          catch (Exception ex)
          {
              //وجود این مورد ضروری است زیرا بروز استثناء در یک ترد به معنای خاتمه آنی برنامه است
              //todo: log errors
          }
          finally
          {
              //Hide BusyIndicator
              RptGuiModel.IsBusyIndicatorHidden = true;
          }
      }

      private void showReportAsync()
      {
          var thread = new Thread(showReport);
          thread.SetApartmentState(ApartmentState.STA); //for DocumentViewer
          thread.Start();
      }

      #endregion Methods
  }
}