floating action button
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Хабрахабр
Делаем свой почти Extended Floating Action Button
import android.content.Context; import android.support.annotation.NonNull; import android.support.design.widget.CoordinatorLayout; import android.support.design.widget.FloatingActionButton; import android.support.v4.view.ViewCompat; import android.util.AttributeSet; import android.view.View; import android.view.animation.LinearInterpolator; public class FABScroll extends FloatingActionButton.Behavior @Override public void onNestedScroll(CoordinatorLayout coordinatorLayout, FloatingActionButton child, View target, int dxConsumed, int dyConsumed, int dxUnconsumed, int dyUnconsumed) { super.onNestedScroll(coordinatorLayout, child, target, dxConsumed, dyConsumed, dxUnconsumed, dyUnconsumed); //child -> Floating Action Button if (dyConsumed > 0) { CoordinatorLayout.LayoutParams layoutParams = (CoordinatorLayout.LayoutParams)…
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