How to get programmatically width and height of Relative - Linear layout in android?

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I required runtime dimensions of Relative/Linear Layout.

activity_home.xml:

<RelativeLayout
    android:id="@+id/rlParent"
    android:layout_width="match_parent"
    android:layout_height="match_parent" >
</RelativeLayout>

HomeActivity.java:

private int width, height;

RelativeLayout rlParent = (RelativeLayout) findViewById(R.id.rlParent);

w = rlParent.getWidth();
h = rlParent.getHeight();

Log.i("Width-Height", width+"-"+height);

Please share your thoughts.

android-relativelayout android-linearlayout android
6 Answers

For Kotlin: You can use AndroidX's doOnLayout extension function to get height or width of a layout

view.doOnLayout {
  Timber.d("View's Height: ${view.height}")
}

Performs the given action when this view is laid out. If the view has been laid out and it has not requested a layout, the action will be performed straight away, otherwise the action will be performed after the view is next laid out.

The action will only be invoked once on the next layout and then removed. For more info

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