Java Code Examples for android.support.v7.widget.Toolbar#getChildCount()

private void applyFontsToTitle(Toolbar toolbar) {
    int childCount = toolbar.getChildCount();
    for (int i = 0; i < childCount; i++) {
        View child = toolbar.getChildAt(i);
        if (child instanceof TextView) {
            TextView tv = (TextView) child;
            tv.setTextSize(getResources().getDimensionPixelSize(R.dimen.font_text_size));
            Typeface titleFont = Typeface.
                    createFromAsset(getAssets(), "fonts/AlexBrush-Regular.ttf");
            if (tv.getText().equals(toolbar.getTitle())) {
                tv.setTypeface(titleFont);
                break;
            }
        }
    }
}
 

/**
 * Will forcibly set text on the views then remove ones that didn't have copy.
 *
 * @param view toolbar view.
 */
private void applyFontToToolbar(final Toolbar view) {
    final CharSequence previousTitle = view.getTitle();
    final CharSequence previousSubtitle = view.getSubtitle();
    // The toolbar inflates both the title and the subtitle views lazily but luckily they do it
    // synchronously when you set a title and a subtitle programmatically.
    // So we set a title and a subtitle to something, then get the views, then revert.
    view.setTitle("uk.co.chrisjenx.calligraphy:toolbar_title");
    view.setSubtitle("uk.co.chrisjenx.calligraphy:toolbar_subtitle");

    // Iterate through the children to run post inflation on them
    final int childCount = view.getChildCount();
    for (int i = 0; i < childCount; i++) {
        onViewCreated(view.getChildAt(i), view.getContext(), null);
    }
    // Remove views from view if they didn't have copy set.
    view.setTitle(previousTitle);
    view.setSubtitle(previousSubtitle);
}
 

/**
 * Search for a particular menu
 *
 * @param toolbar
 * @param menuId
 * @return the corresponding MenuItem, or null if not found
 */
public static MenuItem getMenuItem(@NonNull Toolbar toolbar, @IdRes int menuId) {
    View v;
    int childCount;
    View innerView;
    MenuItem menuItem;
    for (int i = 0; i < toolbar.getChildCount(); i++) {
        v = toolbar.getChildAt(i);
        if (v instanceof ActionMenuView) {
            childCount = ((ActionMenuView) v).getChildCount();
            for (int j = 0; j < childCount; j++) {
                innerView = ((ActionMenuView) v).getChildAt(j);
                if (innerView instanceof ActionMenuItemView) {
                    menuItem = ((ActionMenuItemView) innerView).getItemData();
                    if (menuItem.getItemId() == menuId) {
                        return menuItem;
                    }
                }
            }
        }
    }
    return null;
}
 

/**
 * Get the list of visible MenuItems
 *
 * @param toolbar
 * @return the list of visible MenuItems
 */
public static List<MenuItem> getVisibleMenuItemList(@NonNull Toolbar toolbar) {
    List<MenuItem> list = new ArrayList<>();
    for (int i = 0; i < toolbar.getChildCount(); i++) {
        final View v = toolbar.getChildAt(i);
        if (v instanceof ActionMenuView) {
            int childCount = ((ActionMenuView) v).getChildCount();
            for (int j = 0; j < childCount; j++) {
                final View innerView = ((ActionMenuView) v).getChildAt(j);
                if (innerView instanceof ActionMenuItemView) {
                    list.add(((ActionMenuItemView) innerView).getItemData());
                }
            }
        }
    }
    return list;
}
 

public static Toolbar setTitle(Context context, Toolbar toolbar, CharSequence title) {
    if (toolbar == null) {
        return null;
    }

    toolbar.setTitle(title);
    try {
        final Typeface typeface = getTypeface(context, BOLD);
        final int childCount = toolbar.getChildCount();
        for (int i = 0; i < childCount; i++) {
            final View v = toolbar.getChildAt(i);
            if (v instanceof TextView) {
                ((TextView) v).setTypeface(typeface);
            }
        }
    } catch (Exception e) {
        e.printStackTrace();
    }

    return toolbar;
}
 

@SuppressWarnings("inlineValue")
public static TextView setToolbarTypeface(Toolbar toolbar) {
    for (int i = 0; i < toolbar.getChildCount(); i++) {
        View view = toolbar.getChildAt(i);
        if (view instanceof TextView) {
            TextView textView = (TextView) view;
            if (textView.getText().equals(toolbar.getTitle())) {
                Typeface typeface = ResourcesCompat
                        .getFont(toolbar.getContext(), R.font.roboto_mono_medium);
                textView.setTypeface(typeface);
                return textView;
            }
        }
    }
    return null;
}
 

/**
 * Get toolbar's navigation icon view reference.
 *
 * @param toolbar the main {@link Toolbar}.
 * @return a {@link ImageButton} reference.
 */
@Nullable
private ImageButton getNavButtonView(Toolbar toolbar) {
    for (int i = 0; i < toolbar.getChildCount(); i++)
        if(toolbar.getChildAt(i) instanceof ImageButton)
            return (ImageButton) toolbar.getChildAt(i);

    return null;
}
 

private View findTitleTextView(Toolbar toolbar){
    for (int i = 0; i < toolbar.getChildCount(); i++) {
        View toolBarChild = toolbar.getChildAt(i);
        if (toolBarChild instanceof TextView ||
            toolBarChild instanceof ReactViewGroup) {
            return toolBarChild;
        }
    }
    return null;
}
 

/**
 * Get hamburger icon on navigation drawer
 * @param toolbar Toolbar
 * @return View
 */
private static View getNavButtonInToolBar(Toolbar toolbar) {
    for (int i = 0;i<toolbar.getChildCount();i++) {
        if(toolbar.getChildAt(i) instanceof ImageButton){
            ImageButton button = (ImageButton) toolbar.getChildAt(i);
            if(button.getDrawable().getClass().getSuperclass().equals(DrawerArrowDrawable.class))
                return toolbar.getChildAt(i);
        }
    }
    return null;
}
 

public void applyStyleForToolbar() {

        final SharedPreferences settings = PreferenceManager.getDefaultSharedPreferences(this);
        int themeColorHeader = settings.getInt("themeColor",-1);
        int themeColorText = settings.getInt("themeColorText",-1);

        Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);

        //first set font
        Typeface typeface = CustomTypefaceManager.getCurrentTypeface(this);

        if (typeface != null) {
            for (int i = 0; i < toolbar.getChildCount(); i++) {
                View view = toolbar.getChildAt(i);
                if (view instanceof TextView) {
                    TextView tv = (TextView) view;

                    tv.setTypeface(typeface);
                    break;
                }
            }
        }

        if (themeColorHeader != -1) {
            toolbar.setBackgroundColor(themeColorHeader);
            toolbar.setTitleTextColor(themeColorText);
        }

    }
 

/**
 * Use this method to colorize toolbar icons to the desired target color
 *
 * @param toolbarView       toolbar view being colored
 * @param toolbarIconsColor the target color of toolbar icons
 * @param activity          reference to activity needed to register observers
 */
public static void colorizeToolbar(Toolbar toolbarView, int toolbarIconsColor, Activity activity) {
    final PorterDuffColorFilter colorFilter
            = new PorterDuffColorFilter(toolbarIconsColor, PorterDuff.Mode.SRC_IN);

    for (int i = 0; i < toolbarView.getChildCount(); i++) {
        final View v = toolbarView.getChildAt(i);

        doColorizing(v, colorFilter, toolbarIconsColor);
    }

    //Step 3: Changing the color of title and subtitle.
    toolbarView.setTitleTextColor(toolbarIconsColor);
    toolbarView.setSubtitleTextColor(toolbarIconsColor);
}
 

public static void colorizeToolbar(Toolbar toolbarView, int toolbarIconsColor) {
    final PorterDuffColorFilter colorFilter
            = new PorterDuffColorFilter(toolbarIconsColor, PorterDuff.Mode.MULTIPLY);

    for (int i = 0; i < toolbarView.getChildCount(); i++) {
        final View v = toolbarView.getChildAt(i);

        //Step 1 : Changing the color of back button (or open drawer button).
        if (v instanceof ImageButton) {
            //Action Bar back button
            ((ImageButton) v).getDrawable().setColorFilter(colorFilter);
        }
    }
}
 

@Override
public boolean onPrepareOptionsMenu(Menu menu) {
    menu.clear();

    getMenuInflater().inflate(curState.curMenu, menu);

    Toolbar toolbar = (Toolbar) findViewById(R.id.main_window_toolbar);
    if (curState.curMenu == R.menu.menu_main_window_multi_select) {
        getSupportActionBar().setDisplayHomeAsUpEnabled(true);
        toolbar.setTitle(getString(R.string.main_multi_selection_title));
        toolbar.setBackgroundColor(getResources().getColor(R.color.ColorPrimaryDark));
        int noOfChild = toolbar.getChildCount();
        View view;

        // animate toolbar elements
        for (int i = 1; i < noOfChild; i++) {
            view = toolbar.getChildAt(i);
            view.setAlpha(0);
            view.setScaleY(0);
            view.setPivotY((float) 0.5 * view.getHeight());
            view.animate().setDuration(200).scaleY(1).alpha(1);
        }

    } else if (curState.curMenu == R.menu.menu_main_window) {
        getSupportActionBar().setDisplayHomeAsUpEnabled(false);
        setDefaultTitle();
        toolbar.setBackgroundColor(getResources().getColor(R.color.ColorPrimary));
    }

    return super.onPrepareOptionsMenu(menu);
}
 

public static void applyFontForToolbarTitle(Activity context) {
    Toolbar toolbar = context.findViewById(R.id.toolbar);
    for (int i = 0; i < toolbar.getChildCount(); i++) {
        View view = toolbar.getChildAt(i);
        if (view instanceof TextView) {
            TextView tv = (TextView) view;

            if (tv.getText().equals(toolbar.getTitle())) {
                tv.setTypeface(TypefaceHelper.getTypeface(context, TypefaceHelper.FUTURA_BOLD));
                break;
            }
        }
    }
}
 

/**
 * Use this method to colorize toolbar icons to the desired target color
 * @param toolbarView toolbar view being colored
 * @param toolbarIconsColor the target color of toolbar icons
 */
public static void colorizeToolbar(Toolbar toolbarView, int toolbarIconsColor) {
	final PorterDuffColorFilter colorFilter
			= new PorterDuffColorFilter(toolbarIconsColor, PorterDuff.Mode.SRC_IN);

	for(int i = 0; i < toolbarView.getChildCount(); i++) {
		final View v = toolbarView.getChildAt(i);

		doColorizing(v, colorFilter, toolbarIconsColor);
	}

	//Step 3: Changing the color of title and subtitle.
	toolbarView.setTitleTextColor(toolbarIconsColor);
	toolbarView.setSubtitleTextColor(toolbarIconsColor);
}
 

private ImageButton getNavButtonView(Toolbar toolbar) {
    for (int i = 0; i < toolbar.getChildCount(); i++)
        if (toolbar.getChildAt(i) instanceof ImageButton)
            return (ImageButton) toolbar.getChildAt(i);

    return null;
}
 

/**
 * Use this method to colorize toolbar icons to the desired target color
 *
 * @param toolbarView       toolbar view being colored
 * @param toolbarIconsColor the target color of toolbar icons
 * @param activity          reference to activity needed to register observers
 */
public static void colorizeToolbar(Toolbar toolbarView, int toolbarIconsColor, Activity activity) {
    final PorterDuffColorFilter colorFilter = new PorterDuffColorFilter(toolbarIconsColor, PorterDuff.Mode.MULTIPLY);

    for (int i = 0; i < toolbarView.getChildCount(); i++) {
        final View v = toolbarView.getChildAt(i);

        //Step 1 : Changing the color of back button (or open drawer button).
        if (v instanceof ImageButton) {
            //Action Bar back button
            ((ImageButton) v).getDrawable().setColorFilter(colorFilter);
        }


        if (v instanceof ActionMenuView) {
            for (int j = 0; j < ((ActionMenuView) v).getChildCount(); j++) {

                //Step 2: Changing the color of any ActionMenuViews - icons that are not back button, nor text, nor overflow menu icon.
                //Colorize the ActionViews -> all icons that are NOT: back button | overflow menu
                final View innerView = ((ActionMenuView) v).getChildAt(j);
                if (innerView instanceof ActionMenuItemView) {
                    for (int k = 0; k < ((ActionMenuItemView) innerView).getCompoundDrawables().length; k++) {
                        if (((ActionMenuItemView) innerView).getCompoundDrawables()[k] != null) {
                            final int finalK = k;

                            //Important to set the color filter in seperate thread, by adding it to the message queue
                            //Won't work otherwise.
                            innerView.post(new Runnable() {
                                @Override
                                public void run() {
                                    ((ActionMenuItemView) innerView).getCompoundDrawables()[finalK].setColorFilter(colorFilter);
                                }
                            });
                        }
                    }
                }
            }
        }

        //Step 3: Changing the color of title and subtitle.
        toolbarView.setTitleTextColor(toolbarIconsColor);
        toolbarView.setSubtitleTextColor(toolbarIconsColor);

        //Step 4: Changing the color of the Overflow Menu icon.
        setOverflowButtonColor(activity, colorFilter);
    }
}
 

/**
 * Use this method to colorize toolbar icons to the desired target color
 *
 * @param toolbarView       toolbar view being colored
 * @param toolbarIconsColor the target color of toolbar icons
 * @param activity          reference to activity needed to register observers
 */
public static void colorizeToolbar(Toolbar toolbarView, int toolbarIconsColor, Activity activity) {
    final PorterDuffColorFilter colorFilter = new PorterDuffColorFilter(toolbarIconsColor, PorterDuff.Mode.MULTIPLY);

    for (int i = 0; i < toolbarView.getChildCount(); i++) {
        final View v = toolbarView.getChildAt(i);

        //Step 1 : Changing the color of back button (or open drawer button).
        if (v instanceof ImageButton) {
            //Action Bar back button
            ((ImageButton) v).getDrawable().setColorFilter(colorFilter);
        }


        if (v instanceof ActionMenuView) {
            for (int j = 0; j < ((ActionMenuView) v).getChildCount(); j++) {

                //Step 2: Changing the color of any ActionMenuViews - icons that are not back button, nor text, nor overflow menu icon.
                //Colorize the ActionViews -> all icons that are NOT: back button | overflow menu
                final View innerView = ((ActionMenuView) v).getChildAt(j);
                if (innerView instanceof ActionMenuItemView) {
                    for (int k = 0; k < ((ActionMenuItemView) innerView).getCompoundDrawables().length; k++) {
                        if (((ActionMenuItemView) innerView).getCompoundDrawables()[k] != null) {
                            final int finalK = k;

                            //Important to set the color filter in seperate thread, by adding it to the message queue
                            //Won't work otherwise.
                            innerView.post(new Runnable() {
                                @Override
                                public void run() {
                                    ((ActionMenuItemView) innerView).getCompoundDrawables()[finalK].setColorFilter(colorFilter);
                                }
                            });
                        }
                    }
                }
            }
        }

        //Step 3: Changing the color of title and subtitle.
        toolbarView.setTitleTextColor(toolbarIconsColor);
        toolbarView.setSubtitleTextColor(toolbarIconsColor);

        //Step 4: Changing the color of the Overflow Menu icon.
        setOverflowButtonColor(activity, colorFilter);
    }
}
 

/**
 * Use this method to colorize toolbar icons to the desired target color
 *
 * @param toolbarView       toolbar view being colored
 * @param toolbarIconsColor the target color of toolbar icons
 * @param activity          reference to activity needed to register observers
 */
public static void colorizeToolbar(Toolbar toolbarView, int toolbarIconsColor, Activity activity) {
    final PorterDuffColorFilter colorFilter = new PorterDuffColorFilter(toolbarIconsColor, PorterDuff.Mode.MULTIPLY);

    for (int i = 0; i < toolbarView.getChildCount(); i++) {
        final View v = toolbarView.getChildAt(i);

        //Step 1 : Changing the color of back button (or open drawer button).
        if (v instanceof ImageButton) {
            //Action Bar back button
            ((ImageButton) v).getDrawable().setColorFilter(colorFilter);
        }


        if (v instanceof ActionMenuView) {
            for (int j = 0; j < ((ActionMenuView) v).getChildCount(); j++) {

                //Step 2: Changing the color of any ActionMenuViews - icons that are not back button, nor text, nor overflow menu icon.
                //Colorize the ActionViews -> all icons that are NOT: back button | overflow menu
                final View innerView = ((ActionMenuView) v).getChildAt(j);
                if (innerView instanceof ActionMenuItemView) {
                    for (int k = 0; k < ((ActionMenuItemView) innerView).getCompoundDrawables().length; k++) {
                        if (((ActionMenuItemView) innerView).getCompoundDrawables()[k] != null) {
                            final int finalK = k;

                            //Important to set the color filter in seperate thread, by adding it to the message queue
                            //Won't work otherwise.
                            innerView.post(new Runnable() {
                                @Override
                                public void run() {
                                    ((ActionMenuItemView) innerView).getCompoundDrawables()[finalK].setColorFilter(colorFilter);
                                }
                            });
                        }
                    }
                }
            }
        }

        //Step 3: Changing the color of title and subtitle.
        toolbarView.setTitleTextColor(toolbarIconsColor);
        toolbarView.setSubtitleTextColor(toolbarIconsColor);

        //Step 4: Changing the color of the Overflow Menu icon.
        setOverflowButtonColor(activity, colorFilter);
    }
}