Java Toolbar.getChildCount方法代码示例

import android.support.v7.widget.Toolbar; //导入方法依赖的package包/类
@TargetApi(Build.VERSION_CODES.JELLY_BEAN)
@Override public void onGlobalLayout() {
    final Toolbar toolbar = mToolbarReference.get();
    final Context context = mContextRef.get();
    final CalligraphyFactory factory = mCalligraphyFactory.get();
    if (toolbar == null) return;
    if (factory == null || context == null) {
        removeSelf(toolbar);
        return;
    }

    int childCount = toolbar.getChildCount();
    if (childCount != 0) {
        // Process children, defer draw as it has set the typeface.
        for (int i = 0; i < childCount; i++) {
            factory.onViewCreated(toolbar.getChildAt(i), context, null);
        }
    }
    removeSelf(toolbar);
    toolbar.setSubtitle(originalSubTitle);
}
 

import android.support.v7.widget.Toolbar; //导入方法依赖的package包/类
/**
 * Will forceably 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(" ");
    view.setSubtitle(" ");

    // 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);
}
 

import android.support.v7.widget.Toolbar; //导入方法依赖的package包/类
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;
            }
        }
    }
}
 

import android.support.v7.widget.Toolbar; //导入方法依赖的package包/类
protected void applyTypefaceToolbar(Toolbar mToolbar, Typeface typeface) {
    if (mToolbar != null && typeface != null) {
        try {
            for(int i = 0; i < mToolbar.getChildCount(); i++){
                View view = mToolbar.getChildAt(i);
                if(view instanceof TextView){
                    TextView tv = (TextView) view;
                    if(tv.getText().equals(mToolbar.getTitle())){
                        tv.setTypeface(typeface);
                        //break;
                    }
                }
            }
        } catch (Exception ex) {
            // Stub
        }
    }
}
 

import android.support.v7.widget.Toolbar; //导入方法依赖的package包/类
/**
 * Returns the menu item, which shows the navigation icon of the tab switcher's toolbar.
 *
 * @return The menu item, which shows the navigation icon of the tab switcher's toolbar, as an
 * instance of the class {@link View} or null, if no navigation icon is shown
 */
@Nullable
private View getNavigationMenuItem() {
    Toolbar[] toolbars = tabSwitcher.getToolbars();

    if (toolbars != null) {
        Toolbar toolbar = toolbars.length > 1 ? toolbars[1] : toolbars[0];
        int size = toolbar.getChildCount();

        for (int i = 0; i < size; i++) {
            View child = toolbar.getChildAt(i);

            if (child instanceof ImageButton) {
                return child;
            }
        }
    }

    return null;
}
 

import android.support.v7.widget.Toolbar; //导入方法依赖的package包/类
@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_regular);
                textView.setTypeface(typeface);
                return textView;
            }
        }
    }
    return null;
}
 

import android.support.v7.widget.Toolbar; //导入方法依赖的package包/类
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);
        if(v instanceof ImageButton) {
            ((ImageButton)v).getDrawable().setColorFilter(colorFilter);
        }
        if(v instanceof ActionMenuView) {
            for(int j = 0; j < ((ActionMenuView)v).getChildCount(); j++) {
                final View innerView = ((ActionMenuView)v).getChildAt(j);
                if(innerView instanceof ActionMenuItemView) {
                    int drawablesCount = ((ActionMenuItemView)innerView).getCompoundDrawables().length;
                    for(int k = 0; k < drawablesCount; k++) {
                        if(((ActionMenuItemView)innerView).getCompoundDrawables()[k] != null) {
                            final int finalK = k;
                            innerView.post(new Runnable() {
                                @Override
                                public void run() {
                                    ((ActionMenuItemView) innerView).getCompoundDrawables()[finalK].setColorFilter(colorFilter);
                                }
                            });
                        }
                    }
                }
            }
        }
    }
}
 

import android.support.v7.widget.Toolbar; //导入方法依赖的package包/类
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;
            }
        }
    }
}
 

import android.support.v7.widget.Toolbar; //导入方法依赖的package包/类
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);
        }
    }
}
 

import android.support.v7.widget.Toolbar; //导入方法依赖的package包/类
@SuppressWarnings("unchecked")
public static void tintMenu(@NonNull Toolbar toolbar, @Nullable Menu menu, final @ColorInt int color) {
    try {
        final Field field = Toolbar.class.getDeclaredField("mCollapseIcon");
        field.setAccessible(true);
        Drawable collapseIcon = (Drawable) field.get(toolbar);
        if (collapseIcon != null) {
            field.set(toolbar, TintHelper.createTintedDrawable(collapseIcon, color));
        }
    } catch (Exception e) {
        e.printStackTrace();
    }

    // credits: https://snow.dog/blog/how-to-dynamicaly-change-android-toolbar-icons-color/
    final PorterDuffColorFilter colorFilter = new PorterDuffColorFilter(color, PorterDuff.Mode.SRC_IN);
    for (int i = 0; i < toolbar.getChildCount(); i++) {
        final View v = toolbar.getChildAt(i);
        // We can't iterate through the toolbar.getMenu() here, because we need the ActionMenuItemView. ATEActionMenuItemView is overriding the item icon tint color.
        if (v instanceof ActionMenuView) {
            for (int j = 0; j < ((ActionMenuView) v).getChildCount(); j++) {
                final View innerView = ((ActionMenuView) v).getChildAt(j);
                if (innerView instanceof ActionMenuItemView) {
                    int drawablesCount = ((ActionMenuItemView) innerView).getCompoundDrawables().length;
                    for (int k = 0; k < drawablesCount; k++) {
                        if (((ActionMenuItemView) innerView).getCompoundDrawables()[k] != null) {
                            ((ActionMenuItemView) innerView).getCompoundDrawables()[k].setColorFilter(colorFilter);
                        }
                    }
                }
            }
        }
    }

    if (menu == null)
        menu = toolbar.getMenu();
    if (menu != null && menu.size() > 0) {
        for (int i = 0; i < menu.size(); i++) {
            final MenuItem item = menu.getItem(i);
            // We must iterate through the toolbar.getMenu() too, to keep the tint when resuming the paused activity.
            if (item.getIcon() != null) {
                item.setIcon(TintHelper.createTintedDrawable(item.getIcon(), color));
            }
            // Search view theming
            if (item.getActionView() != null && (item.getActionView() instanceof android.widget.SearchView || item.getActionView() instanceof android.support.v7.widget.SearchView)) {
                SearchViewTintUtil.setSearchViewContentColor(item.getActionView(), color);
            }
        }
    }
}
 

import android.support.v7.widget.Toolbar; //导入方法依赖的package包/类
/**
 * 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);
    }
}
 

import android.support.v7.widget.Toolbar; //导入方法依赖的package包/类
/**
 * 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(() -> ((ActionMenuItemView) innerView).getCompoundDrawables()[finalK].setColorFilter(colorFilter));
                        }
                    }
                }
            }
        }

        //Step 3: Changing the color of title and subtitle.
        toolbarView.setTitleTextColor(ThemeStore.textColorPrimary(activity));
        toolbarView.setSubtitleTextColor(ThemeStore.textColorSecondary(activity));

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