I am using CollapsingToolBarLayout
alongside with AppBarLayout
and CoordinatorLayout
and Toolbar
with EditText
, and they are working Fine altogether. Now, I want to get the Collapsing State of the layout. I have tried some implantation but they doesn't work for me.
Here is my code :
<androidx.swiperefreshlayout.widget.SwipeRefreshLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/swipeRefreshLayout_id"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
xmlns:app="http://schemas.android.com/apk/res-auto"
tools:context=".Design.Home.HomeFragment">
<androidx.coordinatorlayout.widget.CoordinatorLayout
android:layout_width="match_parent"
android:layout_height="match_parent">
<com.google.android.material.appbar.AppBarLayout
android:id="@+id/appBarLayout_id"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:fitsSystemWindows="true">
<com.google.android.material.appbar.CollapsingToolbarLayout
app:layout_scrollFlags="scroll|snap|exitUntilCollapsed"
app:contentScrim="?attr/colorPrimary"
android:fitsSystemWindows="true"
android:layout_width="match_parent"
android:layout_height="match_parent">
<LinearLayout
app:layout_collapseMode="parallax"
android:background="@drawable/b1"
android:layout_width="match_parent"
android:layout_height="285dp">
</LinearLayout>
</com.google.android.material.appbar.CollapsingToolbarLayout>
<androidx.appcompat.widget.Toolbar
android:layout_width="match_parent"
android:layout_height="?attr/actionBarSize">
<EditText
android:hint="Enter your search"
android:layout_width="match_parent"
android:layout_height="match_parent">
</EditText>
</androidx.appcompat.widget.Toolbar>
</com.google.android.material.appbar.AppBarLayout>
</androidx.coordinatorlayout.widget.CoordinatorLayout>
</androidx.swiperefreshlayout.widget.SwipeRefreshLayout>
I have use this method from Here :
public abstract class AppBarStateChangeListener implements AppBarLayout.OnOffsetChangedListener {
public enum State {
EXPANDED,
COLLAPSED,
IDLE
}
private State mCurrentState = State.IDLE;
@Override
public final void onOffsetChanged(AppBarLayout appBarLayout, int i) {
if (i == 0) {
if (mCurrentState != State.EXPANDED) {
onStateChanged(appBarLayout, State.EXPANDED);
}
mCurrentState = State.EXPANDED;
} else if (Math.abs(i) >= appBarLayout.getTotalScrollRange()) {
if (mCurrentState != State.COLLAPSED) {
onStateChanged(appBarLayout, State.COLLAPSED);
}
mCurrentState = State.COLLAPSED;
} else {
if (mCurrentState != State.IDLE) {
onStateChanged(appBarLayout, State.IDLE);
}
mCurrentState = State.IDLE;
}
}
public abstract void onStateChanged(AppBarLayout appBarLayout, State state);
}
In on create method I have use this :
appBarLayout.addOnOffsetChangedListener(new AppBarStateChangeListener() {
@Override
public void onStateChanged(AppBarLayout appBarLayout, State state) {
Log.d("STATE", state.name());
}
});
I have also tried another way :
appBarLayout.addOnOffsetChangedListener(new AppBarLayout.OnOffsetChangedListener() {
@Override
public void onOffsetChanged(AppBarLayout appBarLayout, int verticalOffset) {
if (Math.abs(verticalOffset)-appBarLayout.getTotalScrollRange() == 0)
{
// Collapsed
Log.d("STATE", "Collapsed");
}
else
{
//Expanded
Log.d("STATE", "Expanded");
}
}
});
None of this is working for me