(Android™) CSV Insert Column

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Insert a new column into an existing CSV.

Note: This example requires Chilkat v9.5.0.89 or greater because the InsertColumn method was added in v9.5.0.89.

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// Important: Don't forget to include the call to System.loadLibrary
// as shown at the bottom of this code sample.
package com.test;

import android.app.Activity;
import com.chilkatsoft.*;

import android.widget.TextView;
import android.os.Bundle;

public class SimpleActivity extends Activity {

  private static final String TAG = "Chilkat";

  // Called when the activity is first created.
  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    CkCsv csv = new CkCsv();

    // Load the following CSV:

    //  Name;City;Weight
    //  John;Chicago;180
    //  Lisa;Denver;120

    // Indicate that the 1st line contains column names.
    csv.put_HasColumnNames(true);
    boolean success = csv.LoadFile("qa_data/csv/insertColumnTest.csv");

    // We can insert a column before the 1st column.
    csv.InsertColumn(0);

    Log.i(TAG, csv.saveToString());

    // The CSV now looks like this:

    //  ;Name;City;Weight
    //  ;John;Chicago;180
    //  ;Lisa;Denver;120

    // Set the cells in column 0.

    int col = 0;
    csv.SetColumnName(col,"id");
    csv.SetCell(0,col,"100");
    csv.SetCell(1,col,"101");

    Log.i(TAG, csv.saveToString());

    // We now have:

    //  id;Name;City;Weight
    //  100;John;Chicago;180
    //  101;Lisa;Denver;120

    // Insert a new column between City and Weight
    // In other words, add a new column before the Weight column.
    int weightColumn = csv.GetIndex("Weight");
    Log.i(TAG, "Weight Column Index = " + String.valueOf(weightColumn));
    csv.InsertColumn(weightColumn);

    Log.i(TAG, csv.saveToString());

    // We now have:

    //  id;Name;City;;Weight
    //  100;John;Chicago;;180
    //  101;Lisa;Denver;;120

    // Set the cells in the new column:

    csv.SetColumnName(weightColumn,"Height");
    csv.SetCell(0,weightColumn,"6' 2\"");
    csv.SetCell(1,weightColumn,"5' 7\"");

    Log.i(TAG, csv.saveToString());

    // We now have:

    //  id;Name;City;Height;Weight
    //  100;John;Chicago;"6' 2""";180
    //  101;Lisa;Denver;"5' 7""";120

  }

  static {
      System.loadLibrary("chilkat");

      // Note: If the incorrect library name is passed to System.loadLibrary,
      // then you will see the following error message at application startup:
      //"The application <your-application-name> has stopped unexpectedly. Please try again."
  }
}