Get version code and version name in android

      main:
         PackageInfo manager = ggetPackageManager().getPackageInfo(getPackageName(), 0);
        Log.d(TAG, "Version Code = " + getVersionCode(manager));
        Log.d(TAG, "Version Name = " + getVersionName(manager));


      /*
* get Version code
*
*  @para PackageInfo manager = ggetPackageManager().getPackageInfo(getPackageName(), 0);
*/
public static int getVersionCode(PackageInfo manager){
int verCode= 0;
verCode = manager.versionCode;  
   return verCode;
}

/*
* get Version name
*
*  @para PackageInfo manager = ggetPackageManager().getPackageInfo(getPackageName(), 0);
*/
public static String getVersionName(PackageInfo manager){
String verName = "";
verName = manager.versionName;  
   return verName;
}

resizeImage trong Android.

 public static Drawable resizeImage(Context ctx, int resId, int w, int h) {

     // load the origial Bitmap
     Bitmap BitmapOrg = BitmapFactory.decodeResource(ctx.getResources(),
                                                     resId);

     int width = BitmapOrg.getWidth();
     int height = BitmapOrg.getHeight();
     int newWidth = w;
     int newHeight = h;

     // calculate the scale
     float scaleWidth = ((float) newWidth) / width;
     float scaleHeight = ((float) newHeight) / height;

     // create a matrix for the manipulation
     Matrix matrix = new Matrix();
     // resize the Bitmap
     matrix.postScale(scaleWidth, scaleHeight);
     // if you want to rotate the Bitmap
     // matrix.postRotate(45);

     // recreate the new Bitmap
     Bitmap resizedBitmap = Bitmap.createBitmap(BitmapOrg, 0, 0,
                                                width, height, matrix, true);

     // make a Drawable from Bitmap to allow to set the Bitmap
     // to the ImageView, ImageButton or what ever
     return new BitmapDrawable(resizedBitmap);

    }