/**
* Synchronize the state of the drawer indicator/affordance with the linked DrawerLayout.
*
* <p>This should be called from your <code>Activity</code>'s {@link
* Activity#onPostCreate(android.os.Bundle) onPostCreate} method to synchronize after the
* DrawerLayout's instance state has been restored, and any other time when the state may have
* diverged in such a way that the ActionBarDrawerToggle was not notified. (For example, if you
* stop forwarding appropriate drawer events for a period of time.)
*/
public void syncState() {
if (mDrawerLayout.isDrawerOpen(GravityCompat.START)) {
mSlider.setPosition(1);
} else {
mSlider.setPosition(0);
}
if (mDrawerIndicatorEnabled) {
setActionBarUpIndicator(
(Drawable) mSlider,
mDrawerLayout.isDrawerOpen(GravityCompat.START)
? mCloseDrawerContentDescRes
: mOpenDrawerContentDescRes);
}
}
/**
* {@link DrawerLayout.DrawerListener} callback method. If you do not use your
* ActionBarDrawerToggle instance directly as your DrawerLayout's listener, you should call
* through to this method from your own listener object.
*
* @param drawerView Drawer view that is now closed
*/
@Override
public void onDrawerClosed(View drawerView) {
mSlider.setPosition(0);
if (mDrawerIndicatorEnabled) {
setActionBarDescription(mOpenDrawerContentDescRes);
}
}
/**
* {@link DrawerLayout.DrawerListener} callback method. If you do not use your
* ActionBarDrawerToggle instance directly as your DrawerLayout's listener, you should call
* through to this method from your own listener object.
*
* @param drawerView The child view that was moved
* @param slideOffset The new offset of this drawer within its range, from 0-1
*/
@Override
public void onDrawerSlide(View drawerView, float slideOffset) {
mSlider.setPosition(Math.min(1f, Math.max(0, slideOffset)));
}
