//to navigate to the next view controller with the help of storyboard let secondVC = self.storyboard?.instantiateViewControllerWithIdentifier("SecondViewController") as! SecondViewController self.navigationController?.pushViewController(secondVC, animated: true)
//in string.xml file <string name="welcome_text"><![CDATA[<b>Welcome,</b> to the forthetyroprogrammers blog Logged in as:]]> %1$s.</string>
//and in Java code String welcomStr=String.format(getString(R.string.welcome_text),username); tvWelcomeUser.setText(Html.fromHtml(welcomStr));
StringBuilder builder = new StringBuilder();
foreach(Integer num : array) {
builder.append("String").append(num);
}
builder.toString();String string = string + ("String" + num);. AFAIK, compiler will optimize using string concatenation in the loop to StringBuilder, but better to use it manually.<?= $form->field($model, 'date')->widget ( DatePicker::className(), [ // inline too, not bad 'inline' => false, // modify template for custom rendering 'clientOptions' => [ 'autoclose' => true, 'format' => 'dd-M-yyyy'] ] ); ?>
//1 var largePhotoIndexPath : NSIndexPath? { didSet { //2 var indexPaths = [NSIndexPath]() if largePhotoIndexPath != nil { indexPaths.append(largePhotoIndexPath!) } if oldValue != nil { indexPaths.append(oldValue!) } //3 collectionView?.performBatchUpdates({ self.collectionView?.reloadItemsAtIndexPaths(indexPaths) return }){ completed in //4 if self.largePhotoIndexPath != nil { self.collectionView?.scrollToItemAtIndexPath( self.largePhotoIndexPath!, atScrollPosition: .CenteredVertically, animated: true) } } } }
func collectionView(collectionView: UICollectionView,
layout collectionViewLayout: UICollectionViewLayout,
sizeForItemAtIndexPath indexPath: NSIndexPath) -> CGSize {
let Photo = photoForIndexPath(indexPath)
// New code
if indexPath == largePhotoIndexPath {
var size = collectionView.bounds.size
size.height -= topLayoutGuide.length
size.height -= (sectionInsets.top + sectionInsets.right)
size.width -= (sectionInsets.left + sectionInsets.right)
return Photo.sizeToFillWidthOfSize(size)
}
// Previous code
if var size = Photo.thumbnail?.size {
size.width += 10
size.height += 10
return size
}
return CGSize(width: 100, height: 100)
}
extension ViewController : UICollectionViewDelegate {
override func collectionView(collectionView: UICollectionView,
shouldSelectItemAtIndexPath indexPath: NSIndexPath) -> Bool {
if largePhotoIndexPath == indexPath {
largePhotoIndexPath = nil
}
else {
largePhotoIndexPath = indexPath
}
return false
}
}
override func collectionView(collectionView: UICollectionView, cellForItemAtIndexPath indexPath: NSIndexPath) -> UICollectionViewCell {
let cell = collectionView.dequeueReusableCellWithReuseIdentifier(
reuseIdentifier, forIndexPath: indexPath) as! yourCellName
let Photo = photoForIndexPath(indexPath)
//1
cell.activityIndicator.stopAnimating()
//2
if indexPath != largePhotoIndexPath {
cell.imageView.image = Photo.thumbnail
return cell
}
//3
if Photo.largeImage != nil {
cell.imageView.image = Photo.largeImage
return cell
}
//4
cell.imageView.image = Photo.thumbnail
cell.activityIndicator.startAnimating()
//5
Photo.loadLargeImage {
loadedPhoto, error in
//6
cell.activityIndicator.stopAnimating()
//7
if error != nil {
return
}
if loadedPhoto.largeImage == nil {
return
}
//8
if indexPath == self.largePhotoIndexPath {
if let cell = collectionView.cellForItemAtIndexPath(indexPath) as? yourCellName {
cell.imageView.image = loadedPhoto.largeImage
}
}
}
return cell
}
let location = CLLocationCoordinate2DMake(12.9895, 80.2565)
let span = MKCoordinateSpanMake(0.0002, 0.0002) let region = MKCoordinateRegion(center: location,span: span) mapView.setRegion(region, animated: true) let annotation = MKPointAnnotation() annotation.coordinate = location annotation.title = "S2 Theatre" mapView.addAnnotation(annotation)
// create done button in toolbar.
doneToolbar = UIToolbar(frame: CGRectMake(0, 0, self.view.frame.size.width, 50))
doneToolbar.barStyle = UIBarStyle.Default
doneToolbar.items = [UIBarButtonItem(title: "Done", style: UIBarButtonItemStyle.Plain, target: self, action: #selector(FirstViewController.PickerDoneButtonTapped))]
doneToolbar.sizeToFit()
textBoxText.inputAccessoryView = doneToolbar
func PickerDoneButtonTapped()
{
textBoxText.resignFirstResponder()
}
self.PickerDoneButtonTapped()
1 2 3 | String inputFormat = "EEE, dd MMM yyyy hh:mm:ss Z"; String dateValue = "Wed, 18 Apr 2012 07:55:29 +0000"; String outputFormat = "MMM dd,yyyy hh:mm a"; |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 | import java.text.ParseException; import java.text.SimpleDateFormat; import java.util.Date; /** * Created by rajendhiran.e on 6/15/2016. */ public class Utils { public static String DateFormatter(String inputFormat, String outputFormat, String dateValue) throws ParseException { SimpleDateFormat dateformat = new SimpleDateFormat(inputFormat); Date newDate = dateformat.parse(dateValue); dateformat = new SimpleDateFormat(outputFormat); return dateformat.format(newDate); } } |
1 2 3 4 5 6 7 8 9 10 11 12 | String Error=""; try { String inputFormat = "EEE, dd MMM yyyy hh:mm:ss Z"; String dateValue = "Wed, 18 Apr 2012 07:55:29 +0000"; String outputFormat = "MMM dd,yyyy hh:mm a"; Log.d("Date Content:", "Value: " + Utils.DateFormatter(inputFormat, outputFormat, dateValue)); } catch (ParseException e) { Error="Parser - Date Formatter Error!"; } catch (Exception e) { Error="Error "+e.getMessage(); } Log.d("Err: ",Error); |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 | public class NetworkUtil { public static int TYPE_WIFI = 1; public static int TYPE_MOBILE = 2; public static int TYPE_NOT_CONNECTED = 0; public static int getConnectivityStatus(Context context) { ConnectivityManager cm = (ConnectivityManager) context .getSystemService(Context.CONNECTIVITY_SERVICE); NetworkInfo activeNetwork = cm.getActiveNetworkInfo(); if (null != activeNetwork) { if (activeNetwork.getType() == ConnectivityManager.TYPE_WIFI) return TYPE_WIFI; if (activeNetwork.getType() == ConnectivityManager.TYPE_MOBILE) return TYPE_MOBILE; } return TYPE_NOT_CONNECTED; } public static String getConnectivityStatusString(Context context) { int conn = NetworkUtil.getConnectivityStatus(context); String status = null; if (conn == NetworkUtil.TYPE_WIFI) { status = "Wifi enabled"; } else if (conn == NetworkUtil.TYPE_MOBILE) { status = "Mobile data enabled"; } else if (conn == NetworkUtil.TYPE_NOT_CONNECTED) { status = "Not connected to Internet"; } return status; } } |
1 2 3 4 5 6 7 | public class NetworkChangeReceiver extends BroadcastReceiver { @Override public void onReceive(final Context context, final Intent intent) { String status = NetworkUtil.getConnectivityStatusString(context); Toast.makeText(context, status, Toast.LENGTH_LONG).show(); } } |
1 2 3 4 5 6 7 8 9 10 11 12 | <application ...> ... <receiver android:name=".NetworkChangeReceiver" android:label="NetworkChangeReceiver" > <intent-filter> <action android:name="android.net.conn.CONNECTIVITY_CHANGE" /> <action android:name="android.net.wifi.WIFI_STATE_CHANGED" /> </intent-filter> </receiver> ... </application> |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 | public static Bitmap scaleImage(Bitmap view, Context ctx, int size) throws NoSuchElementException { Bitmap bitmap = null; try { bitmap = view; } catch (NullPointerException e) { throw new NoSuchElementException("No drawable on given view"); } catch (Exception e) { throw new NoSuchElementException("Error: "+e); } // Get current dimensions AND the desired bounding box int width = 0; try { width = bitmap.getWidth(); } catch (NullPointerException e) { throw new NoSuchElementException("Can't find bitmap on given view/drawable"); } int height = bitmap.getHeight(); int bounding = dpToPx(size,ctx); // Determine how much to scale: the dimension requiring less scaling is // closer to the its side. This way the image always stays inside your // bounding box AND either x/y axis touches it. float xScale = ((float) bounding) / width; float yScale = ((float) bounding) / height; float scale = (xScale <= yScale) ? xScale : yScale; Log.i("Test", "xScale = " + Float.toString(xScale)); Log.i("Test", "yScale = " + Float.toString(yScale)); Log.i("Test", "scale = " + Float.toString(scale)); // Create a matrix for the scaling and add the scaling data Matrix matrix = new Matrix(); matrix.postScale(scale, scale); // Create a new bitmap and convert it to a format understood by the ImageView Bitmap scaledBitmap = Bitmap.createBitmap(bitmap, 0, 0, width, height, matrix, true); width = scaledBitmap.getWidth(); // re-use height = scaledBitmap.getHeight(); // re-use BitmapDrawable result = new BitmapDrawable(scaledBitmap); // Apply the scaled bitmap // view.setImageDrawable(result); return scaledBitmap; } |
1 2 3 4 | public static int dpToPx(int dp, Context ctx) { float density = ctx.getResources().getDisplayMetrics().density; return Math.round((float)dp * density); } |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 | Glide.with(context) .load(url) .asBitmap() .centerCrop() .skipMemoryCache(true) .diskCacheStrategy(DiskCacheStrategy.NONE) .error(R.drawable.profile) .placeholder(R.drawable.profile) .into(new BitmapImageViewTarget(viewHolder.txt_jobseekerImage) { @Override protected void setResource(Bitmap resource) { // Do bitmap magic here resource = CommonUtil.scaleImage(resource, context); super.setResource(resource); } }); |
1 2 3 4 5 6 7 8 9 10 | public static String encodeTobase64(Bitmap image) { Bitmap immagex = image; ByteArrayOutputStream baos = new ByteArrayOutputStream(); immagex.compress(Bitmap.CompressFormat.JPEG, 100, baos); byte[] b = baos.toByteArray(); String imageEncoded = Base64.encodeToString(b, Base64.DEFAULT); Log.e("LOOK", imageEncoded); return imageEncoded; } |
1 2 3 4 | public static Bitmap decodeBase64(String input) { byte[] decodedByte = Base64.decode(input, 0); return BitmapFactory.decodeByteArray(decodedByte, 0, decodedByte.length); } |