Helper Methods in JAVA/Android

 Helper Methods in JAVA/Android. I will add more to this Post..

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package com.jsp.utils; import java.text.SimpleDateFormat; import java.util.Calendar; import java.util.Locale; import android.app.AlertDialog; import android.content.Context; import android.util.Log; import android.view.Gravity; import android.widget.Toast; public class HelperMethods { // 1) Convert datetime from one format to other format public static String changeDateFormat(String inputDateString) { String formatedDate = ""; // yyyy-dd-MM HH:mm SimpleDateFormat inputFormat = new SimpleDateFormat("yyyy-dd-MM HH:mm", Locale.getDefault()); // MMM d yyyy HH:mm // MMM d yy HH:mm SimpleDateFormat myFormat = new SimpleDateFormat("MMM d yyyy HH:mm", Locale.getDefault()); try { formatedDate = myFormat.format(inputFormat.parse(inputDateString)); System.out.print(formatedDate); } catch (java.text.ParseException e) { // TODO Auto-generated catch block e.printStackTrace(); } return formatedDate; } // 2) Get Present DateTime public String getPresentDatetime() { Calendar c = Calendar.getInstance(); // dd-MM-yyyy KK:mm:ss a SimpleDateFormat df = new SimpleDateFormat("dd-MM-yyyy KK:mm:ss a", Locale.getDefault()); String formattedDate = df.format(c.getTime()); return formattedDate; } // 3) Toast Helper Methods public static void showToastAtCenter(Context context, String text) { Toast toast = Toast.makeText(context, text, Toast.LENGTH_SHORT); toast.setGravity(Gravity.CENTER, 0, 0); Log.i("Seltis-showToast", "" + text); toast.show(); } public static void showToastAtBottom(Context context, String text) { Toast toast = Toast.makeText(context, text, Toast.LENGTH_LONG); toast.setGravity(Gravity.BOTTOM, 0, 0); Log.i("Seltis-showToastBotom", "" + text); toast.show(); } // 4) Alert Dialog public static void showAlertDialog(Context context, String title, String message) { AlertDialog.Builder builder = new AlertDialog.Builder(context); if (title != null) builder.setTitle(title); builder.setMessage(message); builder.setNegativeButton("OK", null); builder.show(); } }