xash3d-fwgs/src/in/celest/xash3d/InstallReceiver.java

package in.celest.xash3d;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.util.Log;
import java.io.FileOutputStream;
import java.io.InputStream;
import android.content.SharedPreferences;

public class InstallReceiver extends BroadcastReceiver {
private static final String TAG = "XASH3D";
@Override
public void onReceive(Context context, Intent arg1) {
	Log.d( TAG, "Install received, extracting PAK" );
    	if( context.getPackageName() == arg1.getData().getEncodedSchemeSpecificPart() )
    		extractPAK(context, true);
    }
    public static SharedPreferences mPref = null;
    	private static final int PAK_VERSION = 5;
	public static void extractPAK(Context context, Boolean force) {
		InputStream is = null;
		FileOutputStream os = null;
		try {
		if( mPref == null )
			mPref = context.getSharedPreferences("engine", 0);
		if( mPref.getInt( "pakversion", 0 ) == PAK_VERSION && !force )
			return;
			String path = context.getFilesDir().getPath()+"/extras.pak";

			is = context.getAssets().open("extras.pak");
			os = new FileOutputStream(path);
			byte[] buffer = new byte[1024];
			int length;
			while ((length = is.read(buffer)) > 0) {
				os.write(buffer, 0, length);
			}
			os.close();
			is.close();
			SharedPreferences.Editor editor = mPref.edit();
			editor.putInt( "pakversion", PAK_VERSION );
			editor.commit();
		} catch( Exception e )
		{
			Log.e( TAG, "Failed to extract PAK:" + e.toString() );
		}
	}
}