public void setHomeButtonEnabled(boolean enable) {
mHomeLayout.setEnabled(enable);
mHomeLayout.setFocusable(enable);
// Make sure the home button has an accurate content description for accessibility.
if (!enable) {
mHomeLayout.setContentDescription(null);
} else if ((mDisplayOptions & ActionBar.DISPLAY_HOME_AS_UP) != 0) {
mHomeLayout.setContentDescription(
mContext.getResources().getText(R.string.abs__action_bar_up_description));
} else {
mHomeLayout.setContentDescription(
mContext.getResources().getText(R.string.abs__action_bar_home_description));
}
}
public void setDisplayOptions(int options) {
final int flagsChanged = mDisplayOptions == -1 ? -1 : options ^ mDisplayOptions;
mDisplayOptions = options;
if ((flagsChanged & DISPLAY_RELAYOUT_MASK) != 0) {
final boolean showHome = (options & ActionBar.DISPLAY_SHOW_HOME) != 0;
final int vis = showHome && mExpandedActionView == null ? VISIBLE : GONE;
mHomeLayout.setVisibility(vis);
if ((flagsChanged & ActionBar.DISPLAY_HOME_AS_UP) != 0) {
final boolean setUp = (options & ActionBar.DISPLAY_HOME_AS_UP) != 0;
mHomeLayout.setUp(setUp);
// Showing home as up implicitly enables interaction with it.
// In honeycomb it was always enabled, so make this transition
// a bit easier for developers in the common case.
// (It would be silly to show it as up without responding to it.)
if (setUp) {
setHomeButtonEnabled(true);
}
}
if ((flagsChanged & ActionBar.DISPLAY_USE_LOGO) != 0) {
final boolean logoVis = mLogo != null && (options & ActionBar.DISPLAY_USE_LOGO) != 0;
mHomeLayout.setIcon(logoVis ? mLogo : mIcon);
}
if ((flagsChanged & ActionBar.DISPLAY_SHOW_TITLE) != 0) {
if ((options & ActionBar.DISPLAY_SHOW_TITLE) != 0) {
initTitle();
} else {
removeView(mTitleLayout);
}
}
if (mTitleLayout != null
&& (flagsChanged & (ActionBar.DISPLAY_HOME_AS_UP | ActionBar.DISPLAY_SHOW_HOME)) != 0) {
final boolean homeAsUp = (mDisplayOptions & ActionBar.DISPLAY_HOME_AS_UP) != 0;
mTitleUpView.setVisibility(!showHome ? (homeAsUp ? VISIBLE : INVISIBLE) : GONE);
mTitleLayout.setEnabled(!showHome && homeAsUp);
}
if ((flagsChanged & ActionBar.DISPLAY_SHOW_CUSTOM) != 0 && mCustomNavView != null) {
if ((options & ActionBar.DISPLAY_SHOW_CUSTOM) != 0) {
addView(mCustomNavView);
} else {
removeView(mCustomNavView);
}
}
requestLayout();
} else {
invalidate();
}
// Make sure the home button has an accurate content description for accessibility.
if (!mHomeLayout.isEnabled()) {
mHomeLayout.setContentDescription(null);
} else if ((options & ActionBar.DISPLAY_HOME_AS_UP) != 0) {
mHomeLayout.setContentDescription(
mContext.getResources().getText(R.string.abs__action_bar_up_description));
} else {
mHomeLayout.setContentDescription(
mContext.getResources().getText(R.string.abs__action_bar_home_description));
}
}
public ActionBarView(Context context, AttributeSet attrs) {
super(context, attrs);
// Background is always provided by the container.
setBackgroundResource(0);
TypedArray a =
context.obtainStyledAttributes(
attrs, R.styleable.SherlockActionBar, R.attr.actionBarStyleABS, 0);
ApplicationInfo appInfo = context.getApplicationInfo();
PackageManager pm = context.getPackageManager();
mNavigationMode =
a.getInt(
R.styleable.SherlockActionBar_navigationModeABS, ActionBar.NAVIGATION_MODE_STANDARD);
mTitle = a.getText(R.styleable.SherlockActionBar_titleABS);
mSubtitle = a.getText(R.styleable.SherlockActionBar_subtitleABS);
mLogo = a.getDrawable(R.styleable.SherlockActionBar_logoABS);
if (mLogo == null) {
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.HONEYCOMB) {
if (context instanceof Activity) {
// Even though native methods existed in API 9 and 10 they don't work
// so just parse the manifest to look for the logo pre-Honeycomb
final int resId = ResourcesCompat.loadLogoFromManifest((Activity) context);
if (resId != 0) {
mLogo = context.getResources().getDrawable(resId);
}
}
} else {
if (context instanceof Activity) {
try {
mLogo = pm.getActivityLogo(((Activity) context).getComponentName());
} catch (NameNotFoundException e) {
Log.e(TAG, "Activity component name not found!", e);
}
}
if (mLogo == null) {
mLogo = appInfo.loadLogo(pm);
}
}
}
mIcon = a.getDrawable(R.styleable.SherlockActionBar_iconABS);
if (mIcon == null) {
if (context instanceof Activity) {
try {
mIcon = pm.getActivityIcon(((Activity) context).getComponentName());
} catch (NameNotFoundException e) {
Log.e(TAG, "Activity component name not found!", e);
}
}
if (mIcon == null) {
mIcon = appInfo.loadIcon(pm);
}
}
final LayoutInflater inflater = LayoutInflater.from(context);
final int homeResId =
a.getResourceId(R.styleable.SherlockActionBar_homeLayoutABS, R.layout.abs__action_bar_home);
mHomeLayout = (HomeView) inflater.inflate(homeResId, this, false);
mExpandedHomeLayout = (HomeView) inflater.inflate(homeResId, this, false);
mExpandedHomeLayout.setUp(true);
mExpandedHomeLayout.setOnClickListener(mExpandedActionViewUpListener);
mExpandedHomeLayout.setContentDescription(
getResources().getText(R.string.abs__action_bar_up_description));
mTitleStyleRes = a.getResourceId(R.styleable.SherlockActionBar_titleTextStyleABS, 0);
mSubtitleStyleRes = a.getResourceId(R.styleable.SherlockActionBar_subtitleTextStyleABS, 0);
mProgressStyle = a.getResourceId(R.styleable.SherlockActionBar_progressBarStyleABS, 0);
mIndeterminateProgressStyle =
a.getResourceId(R.styleable.SherlockActionBar_indeterminateProgressStyleABS, 0);
mProgressBarPadding =
a.getDimensionPixelOffset(R.styleable.SherlockActionBar_progressBarPaddingABS, 0);
mItemPadding = a.getDimensionPixelOffset(R.styleable.SherlockActionBar_itemPaddingABS, 0);
setDisplayOptions(a.getInt(R.styleable.SherlockActionBar_displayOptionsABS, DISPLAY_DEFAULT));
final int customNavId =
a.getResourceId(R.styleable.SherlockActionBar_customNavigationLayoutABS, 0);
if (customNavId != 0) {
mCustomNavView = inflater.inflate(customNavId, this, false);
mNavigationMode = ActionBar.NAVIGATION_MODE_STANDARD;
setDisplayOptions(mDisplayOptions | ActionBar.DISPLAY_SHOW_CUSTOM);
}
mContentHeight = a.getLayoutDimension(R.styleable.SherlockActionBar_heightABS, 0);
a.recycle();
mLogoNavItem = new ActionMenuItem(context, 0, android.R.id.home, 0, 0, mTitle);
mHomeLayout.setOnClickListener(mUpClickListener);
mHomeLayout.setClickable(true);
mHomeLayout.setFocusable(true);
}
