Android™

Add Files to a ZIP Using AddFile

See more Zip Examples

This example demonstrates how to use the AddFile method to add files from the local filesystem to a ZIP archive.

The example adds two files:

• One file with its relative directory path preserved
• One file stored using only its filename

The AddFile method adds references to local filesystem files. The files are not actually read or compressed until a Write* method is called.

Android™

// 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);

    boolean success = false;

    CkZip zip = new CkZip();

    success = zip.NewZip("addFileExample.zip");
    if (success == false) {
        Log.i(TAG, zip.lastErrorText());
        return;
        }

    //  Add a file and preserve its relative directory structure
    //  within the ZIP archive.
    //  
    //  The following file:
    //      c:/projects/app/docs/readme.txt
    //  
    //  Will be stored in the ZIP as:
    //      projects/app/docs/readme.txt
    //  
    boolean saveExtraPath = true;
    success = zip.AddFile("c:/projects/app/docs/readme.txt",saveExtraPath);
    if (success == false) {
        Log.i(TAG, zip.lastErrorText());
        return;
        }

    //  Add a file using only the filename in the ZIP archive.
    //  
    //  The following file:
    //      c:/temp/logo.png
    //  
    //  Will be stored in the ZIP as:
    //      logo.png
    //  
    saveExtraPath = false;
    success = zip.AddFile("c:/temp/logo.png",saveExtraPath);
    if (success == false) {
        Log.i(TAG, zip.lastErrorText());
        return;
        }

    //  Write the ZIP archive to disk and close it.
    //  The source files are consumed at this time.
    success = zip.WriteZipAndClose();
    if (success == false) {
        Log.i(TAG, zip.lastErrorText());
        return;
        }

    Log.i(TAG, "ZIP archive created successfully.");

  }

  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."
  }
}