get Views actual Height and width at run time.

view.measure(MeasureSpec.UNSPECIFIED, MeasureSpec.UNSPECIFIED);

viewHeight= visibleOpenBtn.getMeasuredHeight();

viewWidth= visibleOpenBtn.getMeasuredWidth();

/**

 * Calculate actual width height of views

 */

Final ViewTreeObserver observer = view.getViewTreeObserver();

observer.addOnGlobalLayoutListener(new OnGlobalLayoutListener() {

@Override

public void onGlobalLayout() {

viewWidth = view.getWidth();

}

});

Simple date Format converter

Example 

formateDateFromstringUpdated("yyyy-MM-dd HH:mm:ss", "M/d/yyyy hh:mm aa", "2015-01-15 06:30:00");

public static String formateDateFromstringUpdated(String inputFormat, String outputFormat, String inputDate){

Date parsed = null;

String outputDate = inputFormat;

SimpleDateFormat df_input = new SimpleDateFormat(inputFormat, java.util.Locale.getDefault());

SimpleDateFormat df_output = new SimpleDateFormat(outputFormat, java.util.Locale.getDefault());

try {

parsed = df_input.parse(inputDate);

outputDate = df_output.format(parsed);

} catch (ParseException e) { 

Log.e("Date Formatting ", "ParseException - dateFormat");

}

return outputDate;

}

Get width of button in layout at runtime.

 Simple code snippet Get width of button in layout at runtime. 

final ViewTreeObserver observer = openButton.getViewTreeObserver();

observer.addOnGlobalLayoutListener(new OnGlobalLayoutListener() {

@Override

public void onGlobalLayout() {

widthButton = openButton.getWidth();

tXWidth = width - widthButton;

frameLayout.setTranslationX(tXWidth - leftMargin);

}

});

Set Margin on scal Metrics of devices dynamically.

Simple code snippet to Set Margin on scal Metrics of devices dynamically.

MarginLayoutParams marginParams = new MarginLayoutParams(

frameLayout.getLayoutParams());

final float scale = getResources().getDisplayMetrics().density;

leftMargin = (int) (leftMargin * scale );

marginParams.setMargins(leftMargin, topMargin, 0, 0);

FrameLayout.LayoutParams layoutParams = new FrameLayout.LayoutParams(

marginParams);

layoutParams.gravity = Gravity.NO_GRAVITY; // This is the new line

frameLayout.setLayoutParams(layoutParams);

Happy Codding