Show toast widget underneath a view

Question

For those who helped me out earlier regarding this project, thank you very much! My code no longer has any problems, and I made extra tweaks. Now that the app is actually ro

Answer 1

From developer guide, you can position your Toast using toast.setGravity(). I find this on http://developer.android.com/guide/topics/ui/notifiers/toasts.html

Positioning your Toast A standard toast notification appears near the bottom of the screen, centered horizontally. You can change this position with the setGravity(int, int, int) method. This accepts three parameters: a Gravity constant, an x-position offset, and a y-position offset.

For example, if you decide that the toast should appear in the top-left corner, you can set the gravity like this:

toast.setGravity(Gravity.TOP|Gravity.LEFT, 0, 0); If you want to nudge the position to the right, increase the value of the second parameter. To nudge it down, increase the value of the last parameter.

I think you can get position of your button and forward it to mentioned method

Answer 2

I would just like to add to solmaks answer.

in positionToast:

    ...
    int toastHeight= toast.getView().getMeasuredHeight();

    // compute toast offsets
    ...
    int toastY = viewTop + (view.getHeight() - toastHeight) / 2 + offsetY;

in onClick:

    positionToast(toast, view, getWindow(), 0, 0);  

This seems to center the Toast perfectly in my view, no matter where the view is placed. There is an assumption in my code that the Toast will always be smaller than the view it is in.

Answer 3

android.widget.Toast defines a bunch of useful methods that allow customizing look and feel of a toast notification. Method you should look into is setGravity(int, int, int). With 0 offsets code below will anchor toast top to the bottom of the provided view and toast center to the center of the view.

public static void positionToast(Toast toast, View view, Window window, int offsetX, int offsetY) {
    // toasts are positioned relatively to decor view, views relatively to their parents, we have to gather additional data to have a common coordinate system
    Rect rect = new Rect();
    window.getDecorView().getWindowVisibleDisplayFrame(rect);
    // covert anchor view absolute position to a position which is relative to decor view
    int[] viewLocation = new int[2];
    view.getLocationInWindow(viewLocation);
    int viewLeft = viewLocation[0] - rect.left;
    int viewTop = viewLocation[1] - rect.top;

    // measure toast to center it relatively to the anchor view
    DisplayMetrics metrics = new DisplayMetrics();
    window.getWindowManager().getDefaultDisplay().getMetrics(metrics);
    int widthMeasureSpec = MeasureSpec.makeMeasureSpec(metrics.widthPixels, MeasureSpec.UNSPECIFIED);
    int heightMeasureSpec = MeasureSpec.makeMeasureSpec(metrics.heightPixels, MeasureSpec.UNSPECIFIED);
    toast.getView().measure(widthMeasureSpec, heightMeasureSpec);
    int toastWidth = toast.getView().getMeasuredWidth();

    // compute toast offsets
    int toastX = viewLeft + (view.getWidth() - toastWidth) / 2 + offsetX;
    int toastY = viewTop + view.getHeight() + offsetY;

    toast.setGravity(Gravity.LEFT | Gravity.TOP, toastX, toastY);
}

Using it will require modifying toast related lines in your onClick method:

int offsetY = getResources().getDimensionPixelSize(R.dimen.toast_offset_y);

Toast toast = Toast.makeText(MainActivity.this, "That number is greater than 100. Not Valid!", Toast.LENGTH_SHORT);
positionToast(toast, v, getWindow(), 0, offsetY);
toast.show();

Answer 4

For your question, as to how to show a toast at a specific position ,you can do this :-

Toast toast = new Toast();
toast.setGravity(Gravity.TOP|Gravity.LEFT, 0, 0);
toast.makeText(getApplicationContextt(),"Text",Toast.LENGTH_SHORT);
toast.show();

You can make modifications in this like of code to change toast position :-

    toast.setGravity(Gravity.TOP|Gravity.LEFT, 0, 0);

Answer 5

From what I learned, this is the best I came up with for the program. Doing this puts the Toast message in the center of the phone.

if(input > 100) {   
            Toast toast = Toast.makeText(MainActivity.this, 
                R.string.over_guess, 
                Toast.LENGTH_SHORT);
            toast.setGravity(Gravity.CENTER, 0, 0); 
            toast.show();   
            return;
            }
        else if(input < comp) {
            Toast toast = Toast.makeText(MainActivity.this, 
                getString(R.string.guess_low, input), 
                Toast.LENGTH_SHORT);
            toast.setGravity(Gravity.CENTER, 0, 0); 
            toast.show();
        }
        else if(input > comp) {
            Toast toast = Toast.makeText(MainActivity.this, 
                getString(R.string.guess_high, input), 
                Toast.LENGTH_SHORT);
            toast.setGravity(Gravity.CENTER, 0, 0); 
            toast.show();
        }
        else {
            Toast toast = Toast.makeText(MainActivity.this, 
                getString(R.string.correct, comp, guesses), 
                Toast.LENGTH_LONG);
            toast.setGravity(Gravity.CENTER, 0, 0); 
            toast.show();
        }

Answer 6

None of the answers did the job to me, i made a combination of the above answers and I got the solution down.

The second timer is the target view.

 public static void displayToastUnderView(Activity activity, View view, String text) {
        Toast toast = Toast.makeText(activity, text, Toast.LENGTH_SHORT);
        toast.setGravity( Gravity.TOP, view.getLeft() - view.getWidth() / 2 - toast.getView().getWidth() / 2, view.getBottom());
        toast.show();
    }