How to bring view in front of everything?

user_706780 0
Viewed 234555

I have activity and a lot of widgets on it, some of them have animations and because of the animations some of the widgets are moving (translating) one over another. For example the text view is moving over some buttons . . .

Now the thing is I want the buttons to be always on the front. And when the textview is moving I want to move behind the buttons.

I can not achieve this I tried everything I know, and "bringToFront()" definitelly doesn't work.

note I do not want to control the z-order by the order of placing element to layout cause I simply can't :), the layout is complex and I can not place all the buttons at the begging of the layout

z-order button animation textview android
19 Answers

With this code in xml

 android:translationZ="90dp"
user_62550360

If you are using ConstraintLayout, just put the element after the other elements to make it on front than the others

user_59907720
user_30058070

You can use BindingAdapter like this:

@BindingAdapter("bringToFront")
public static void bringToFront(View view, Boolean flag) {
    if (flag) {
        view.bringToFront();
    }
}


  <ImageView
        ...
        app:bringToFront="@{true}"/>
user_17708680

The order of the overlapping views really depends of 4 things:

  1. The attribute android:elevation which is measured in dp/sp
  2. The attribute android:translationZ which is also measured in dp/sp.
  3. In Constraint Layout, the order in which you put the views in your Component Tree is also the order to be shown.
  4. The programmatically order that you set through methods like view.bringToFront() in your kotlin/java code.

The numerals 1 and 2 compite with each other and take preference over the points 3 and 4: if you set elevation="4dp" for View 1 and translationZ="2dp" for View 2, View 1 will always be on top regardless of the numerals 3 and 4.

user_121622980

Thanks to Stack user over this explanation, I've got this working even on Android 4.1.1

((View)myView.getParent()).requestLayout();
myView.bringToFront();

On my dynamic use, for example, I did

public void onMyClick(View v)
     {
     ((View)v.getParent()).requestLayout();
     v.bringToFront();
     }

And Bamm !

user_32337220

Arrange them in the order you wants to show. Suppose, you wanna show view 1 on top of view 2. Then write view 2 code then write view 1 code. If you cant does this ordering, then call bringToFront() to the root view of the layout you wants to bring in front.

user_108846700

You can use elevation attribute if your minimum api level is 21.

user_86720150

Try to use app:srcCompat instead of android:src

user_31922380
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