Android Open Source - Aspose_for_Android Aspose Converter Activity

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License

The source code is released under:

MIT License

Java Source Code

package com.aspose.pdf.android;
//from   w w w.  ja va2s .  c o m
import java.io.File;

import com.aspose.pdf.Document;
import com.aspose.pdf.android.common.BrowseFileActivity;

import android.os.AsyncTask;
import android.os.Bundle;
import android.os.Environment;
import android.app.Activity;
import android.app.ProgressDialog;
import android.content.Intent;
import android.view.View;

import android.widget.Button;
import android.widget.TextView;
import android.widget.Toast;
import java.util.Calendar;

public class AsposeConverterActivity extends Activity
{
  //======================================================================
  @Override
  protected void onCreate(Bundle savedInstanceState)
  {
    //BasicConfigurator.configure();
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_aspose_converter);

    initialize();

    //==================================================================
    btn_browse_file1.setOnClickListener(new View.OnClickListener() 
    {
      @Override
      public void onClick(View arg0)
      {
        startActivityForResult(new Intent(AsposeConverterActivity.this, BrowseFileActivity.class), PATH);
      }
    });
    btn_browse_file2.setOnClickListener(new View.OnClickListener() 
    {
      @Override
      public void onClick(View arg0)
      {
        startActivityForResult(new Intent(AsposeConverterActivity.this, BrowseFileActivity.class), PATH_2);
      }
    });
    //==================================================================
    btn_concat.setOnClickListener(new View.OnClickListener() 
    {
      @Override
      public void onClick(View arg0)
      {
          new LocalFileConverterTask().execute();
      }
    });
  }

  //======================================================================
  /**
   * AsyncTask to convert the provided file in provided format if supported. 
   */
  class LocalFileConverterTask extends AsyncTask<String, Integer, Boolean>
  {
    String inputPath_file1;
    String inputPath_file2;
    String outputPath;
    String outputFileName;
    ProgressDialog progDialog;

    @Override
    protected void onPreExecute()
    {
      showProgressDialog();

      inputPath_file1 = tv_inputPath_file1.getText().toString();
      inputPath_file2 = tv_inputPath_file2.getText().toString();
      
      System.out.println("inputPath_file1: " + inputPath_file1);
      System.out.println("inputPath_file2: " + inputPath_file2);
      
      Calendar c = Calendar.getInstance(); 
      outputFileName = "AsposeMerged_" + c.get(Calendar.HOUR_OF_DAY) + c.get(Calendar.MINUTE) + c.get(Calendar.SECOND)+".pdf";
      outputPath = getFileSaveLocation() + outputFileName;
    }
    
    //==================================================================
    @Override
    protected Boolean doInBackground(String... params)
    {
      try
      {
        //open first document
        Document pdfDocument1 = new Document(inputPath_file1);
        //open second document
        Document pdfDocument2 = new Document(inputPath_file2);
        //add pages of second document to the first
        pdfDocument1.getPages().add(pdfDocument2.getPages());

        //save concatenated output file
        pdfDocument1.save(outputPath);        
        return true;
      }
      catch (Exception e)
      {
        e.printStackTrace();
        return false;
      }
    }

    //==================================================================
    @Override
    protected void onPostExecute(Boolean result)
    {
      if (result)
      {
        Toast.makeText(getApplicationContext(), "Concat Successful.", Toast.LENGTH_SHORT).show();
        tv_result.setText(  "Files merged and saved as \"" + outputPath + "\"");
      }
      else
      {
        Toast.makeText(getApplicationContext(), "Concat Failed.", Toast.LENGTH_SHORT).show();
        tv_result.setText(R.string.msg_oops);
      }
      progDialog.dismiss();
    }

    //==================================================================
    private void showProgressDialog()
    {
      progDialog = new ProgressDialog(AsposeConverterActivity.this);
      progDialog.setMessage("Concatenating your docs...");
      progDialog.setIndeterminate(false);
      progDialog.setProgressStyle(ProgressDialog.STYLE_SPINNER);
      progDialog.setCancelable(true);
      progDialog.show();
    }
  }

  //======================================================================
  @Override
  protected void onActivityResult(int requestCode, int resultCode, Intent data)
  {
    if (requestCode == PATH)
    {
      System.out.println("Path for File 1");
      if (resultCode == RESULT_OK)
      {
        String path = data.getStringExtra("path");
        if (path == null)
        {
          Toast.makeText(AsposeConverterActivity.this, "Path Not Found", Toast.LENGTH_LONG).show();
        }
        else
        {
          tv_inputPath_file1.setText(path);
        }
      }
    }
    else if (requestCode == PATH_2)
    {
      System.out.println("Path for File 2");
      if (resultCode == RESULT_OK)
      {
        String path = data.getStringExtra("path");
        if (path == null)
        {
          Toast.makeText(AsposeConverterActivity.this, "Path Not Found", Toast.LENGTH_LONG).show();
        }
        else
        {
          tv_inputPath_file2.setText(path);
        }
      }
    }
    enableFunctionBtn();
  }
  //======================================================================
  private void enableFunctionBtn()
  {
    if (tv_inputPath_file1.getText().toString().length() != 0 && tv_inputPath_file2.getText().toString().length() != 0)
    {
      btn_concat.setEnabled(true);
    }
    else
    {
      btn_concat.setEnabled(false);
    }
  }
  //======================================================================
  /**
   * Initialized the basic need for conversion activity
   */
  private void initialize()
  {    
    //======= UI Controls ==================================
    tv_result = (TextView) findViewById(R.id.tv_result);
    tv_inputPath_file1 = (TextView) findViewById(R.id.input_path_1);
    tv_inputPath_file2 = (TextView) findViewById(R.id.input_path_2);

    btn_browse_file1 = (Button) findViewById(R.id.btn_browse_file1);
    btn_browse_file2 = (Button) findViewById(R.id.btn_browse_file2);
    
    btn_concat = (Button) findViewById(R.id.btn_concat);
  }

  //======================================================================
  /**
   * Sets the location to save the converted files.
   */
  private String getFileSaveLocation()
  {
    String sdCardPath = Environment.getExternalStorageDirectory().getPath()+ File.separator + OUTPUT_FOLDER + File.separator;
    System.out.println("sdCardPath: " + sdCardPath);
    return sdCardPath;
  }
  //======================================================================
  
  // Class Variables
  TextView tv_inputPath_file1;
  TextView tv_inputPath_file2;
  TextView tv_result;
  Button btn_browse_file1;
  Button btn_browse_file2;
  Button btn_concat;

  int outputFormat; // format for the converted file
  String outputExt = "pdf"; // file extension for output file.

  protected static final int PATH = 1;
  protected static final int PATH_2 = 2;
  protected static final String OUTPUT_FOLDER = "AsposeFiles";
}

Java Source Code List

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