/**
* {@link android.support.v4.widget.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.setOffset(0.f);
if (mDrawerIndicatorEnabled) {
mSetIndicatorInfo =
IMPL.setActionBarDescription(mSetIndicatorInfo, mActivity, mCloseDrawerContentDescRes);
}
}
/**
* Synchronize the state of the drawer indicator/affordance with the linked DrawerLayout.
*
* <p>
*
* <p>This should be called from your <code>Activity</code>'s {@link
* android.app.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.setOffset(1.f);
} else {
mSlider.setOffset(0.f);
}
if (mDrawerIndicatorEnabled) {
mSetIndicatorInfo =
IMPL.setActionBarUpIndicator(
mSetIndicatorInfo,
mActivity,
mSlider,
mDrawerLayout.isDrawerOpen(GravityCompat.START)
? mOpenDrawerContentDescRes
: mCloseDrawerContentDescRes);
}
}
/**
* {@link android.support.v4.widget.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) {
float glyphOffset = mSlider.getOffset();
if (slideOffset > 0.5f) {
glyphOffset = Math.max(glyphOffset, Math.max(0.f, slideOffset - 0.5f) * 2);
} else {
glyphOffset = Math.min(glyphOffset, slideOffset * 2);
}
mSlider.setOffset(glyphOffset);
}
public ActionBarDrawerToggle(Activity activity, DrawerLayout drawerlayout, int i, int j, int k) {
mDrawerIndicatorEnabled = true;
mActivity = activity;
if (activity instanceof DelegateProvider) {
mActivityImpl = ((DelegateProvider) activity).getDrawerToggleDelegate();
} else {
mActivityImpl = null;
}
mDrawerLayout = drawerlayout;
mDrawerImageResource = i;
mOpenDrawerContentDescRes = j;
mCloseDrawerContentDescRes = k;
mThemeImage = getThemeUpIndicator();
mDrawerImage = activity.getResources().getDrawable(i);
mSlider = new SlideDrawable(mDrawerImage);
mSlider.setOffset(0.3333333F);
}
