private void showcaseActionItem(ViewParent p, Class absAbv, int itemType, int actionItemId) {
try {
Field mAmpField = absAbv.getDeclaredField("mActionMenuPresenter");
mAmpField.setAccessible(true);
Object mAmp = mAmpField.get(p);
if (itemType == ITEM_ACTION_OVERFLOW) {
// Finds the overflow button associated with the ActionMenuPresenter
Field mObField = mAmp.getClass().getDeclaredField("mOverflowButton");
mObField.setAccessible(true);
View mOb = (View) mObField.get(mAmp);
if (mOb != null) setShowcaseView(mOb);
} else {
// Want an ActionItem, so find it
Field mAmvField = mAmp.getClass().getSuperclass().getDeclaredField("mMenuView");
mAmvField.setAccessible(true);
Object mAmv = mAmvField.get(mAmp);
Field mChField;
if (mAmv.getClass().toString().contains("com.actionbarsherlock")) {
// There are thousands of superclasses to traverse up
// Have to get superclasses because mChildren is private
mChField =
mAmv.getClass()
.getSuperclass()
.getSuperclass()
.getSuperclass()
.getSuperclass()
.getDeclaredField("mChildren");
} else
mChField = mAmv.getClass().getSuperclass().getSuperclass().getDeclaredField("mChildren");
mChField.setAccessible(true);
Object[] mChs = (Object[]) mChField.get(mAmv);
for (Object mCh : mChs) {
if (mCh != null) {
View v = (View) mCh;
if (v.getId() == actionItemId) setShowcaseView(v);
}
}
}
} catch (IllegalAccessException e) {
e.printStackTrace();
} catch (NoSuchFieldException e) {
e.printStackTrace();
} catch (NullPointerException npe) {
throw new RuntimeException(
"insertShowcaseViewWithType() must be called "
+ "after or during onCreateOptionsMenu() of the host Activity");
}
}
/**
* Quick method to insert a ShowcaseView into an Activity
*
* @param viewToShowcase View to showcase
* @param activity Activity to insert into
* @param title Text to show as a title. Can be null.
* @param detailText More detailed text. Can be null.
* @param options A set of options to customise the ShowcaseView
* @return the created ShowcaseView instance
*/
public static ShowcaseView insertShowcaseView(
View viewToShowcase, Activity activity, int title, int detailText, ConfigOptions options) {
ShowcaseView sv = new ShowcaseView(activity);
if (options != null) sv.setConfigOptions(options);
if (sv.getConfigOptions().insert == INSERT_TO_DECOR) {
((ViewGroup) activity.getWindow().getDecorView()).addView(sv);
} else {
((ViewGroup) activity.findViewById(android.R.id.content)).addView(sv);
}
sv.setShowcaseView(viewToShowcase);
sv.setText(title, detailText);
return sv;
}
private void showcaseTitle(ViewParent p, Class abv) {
try {
Field mTitleViewField = abv.getDeclaredField("mTitleView");
mTitleViewField.setAccessible(true);
View titleView = (View) mTitleViewField.get(p);
if (titleView != null) {
setShowcaseView(titleView);
}
} catch (NoSuchFieldException e) {
Log.e("TAG", "Failed to find actionbar title", e);
} catch (IllegalAccessException e) {
Log.e("TAG", "Failed to access actionbar title", e);
}
}
private void showcaseSpinner(ViewParent p, Class abv) {
try {
Field mSpinnerField = abv.getDeclaredField("mSpinner");
mSpinnerField.setAccessible(true);
View mSpinnerView = (View) mSpinnerField.get(p);
if (mSpinnerView != null) {
setShowcaseView(mSpinnerView);
}
} catch (NoSuchFieldException e) {
Log.e("TAG", "Failed to find actionbar spinner", e);
} catch (IllegalAccessException e) {
Log.e("TAG", "Failed to access actionbar spinner", e);
}
}