Different ways of showing toasts

normalToast.java

Toast.makeText(this, "This is a toast that isn't centered in anyway at all", Toast.LENGTH_SHORT).show();

toastCenterAll.java

Toast toast = Toast.makeText(this, "This is a toast that is centered onscreen and the text is centered in the toast", Toast.LENGTH_SHORT);
LinearLayout layout = (LinearLayout) toast.getView();
if (layout.getChildCount() > 0) {
  TextView tv = (TextView) layout.getChildAt(0);
  tv.setGravity(Gravity.CENTER_VERTICAL | Gravity.CENTER_HORIZONTAL);
}
toast.setGravity(Gravity.CENTER, 0, 0);
toast.show();

toastCenterText.java

Toast toast = Toast.makeText(this, "This is a toast where the text is centered in the middle of the toast", Toast.LENGTH_SHORT);
LinearLayout layout = (LinearLayout) toast.getView();
if (layout.getChildCount() > 0) {
  TextView tv = (TextView) layout.getChildAt(0);
  tv.setGravity(Gravity.CENTER_VERTICAL | Gravity.CENTER_HORIZONTAL);
}
toast.show();

toastCenterToast.java

Toast toast = Toast.makeText(this, "This is a toast that is centered onscreen but the text isn't centered", Toast.LENGTH_SHORT);
toast.setGravity(Gravity.CENTER, 0, 0);
toast.show();