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PDF Processing API

Customize quick menukeyboard_arrow_down

Customize quick menu

In this document
chevron_rightOverride menu resources
chevron_rightQuick menu resources
chevron_rightCreate your own quick menu
chevron_rightClick events
chevron_rightQuick menu style
chevron_rightIcon style
chevron_rightButton style
chevron_rightBackground
chevron_rightDivider

It is possible to customize the quick menu by overriding the default menu resource XML files, or by creating your own.

linkOverride menu resources

In this tutorial you will customize the quick menu for the Pan tool by overriding the default menu resource XML file in the PDFTron SDK.

  1. Create a menu resource XML file called pan.xml in your project's res/menu folder. This pan.xml file will automatically be used instead of the default one in the tools package. To override other quick menus, refer to the [table below] (#quick-menu-resources) to determine the name of the menu resource file.

  2. Add two items to you menu in pan.xml with the id attributes @+id/qm_free_text and @+id/qm_floating_sig:

    <?xml version="1.0" encoding="utf-8"?>
    <menu xmlns:android="http://schemas.android.com/apk/res/android">
        <item android:id="@+id/qm_free_text"
            android:title="@string/tools_qm_free_text"
            android:icon="@drawable/ic_annotation_freetext_black_24dp" />
        <item android:id="@+id/qm_floating_sig"
            android:title="@string/tools_qm_signature" 
            android:icon="@drawable/ic_annotation_signature_black_24dp" />
    </menu>

    Here we use the ids @+id/qm_free_text and @+id/qm_floating_sig to override the Free Text and Signature menu items.

    You can also create your own menu items by providing a unique id, or by overriding our other menu items using the menu ids defined in the tools package. You can learn more about handling custom menu item click events here.

    Now, when you long-press on a blank space, you will see:

linkQuick menu resources

Menu resourceToolTriggered event
panPanLong press on blank space
text_selectTextSelectLong press on text
annot_simple_shapeAnnotEditSingle tap on Square, Circle, Line, Polygon, Polyline, Text
annot_free_textAnnotEditSingle tap on FreeText
annot_linkAnnotEditSingle tap on Link
annot_signatureAnnotEditSingle tap on signature (type: Annot.e_Stamp and custom field: Signature.SIGNATUREANNOTATIONID)
annot_stamperAnnotEditSingle tap on Stamp (type: Annot.e_Stamp and custom field: Stamper.STAMPERANNOTATIONID)
annot_file_attachmentAnnotEditSingle tap on FileAttachment
annot_free_handAnnotEditSingle tap on Ink
annot_generalAnnotEditSingle tap on all other annotation types
annot_edit_text_markupAnnotEditTextMarkupSingle tap on TextMarkup annotations
typeAnnotEditTextMarkupClick quick menu item with id R.id.type
sig_field_imageDigitalSignatureSingle tap on digital image signature
annot_edit_thicknessDigitalSignatureClick quick menu item with id id.thickness
sig_field_pathsDigitalSignatureSingle tap on digital signature, or click on items in quick menu R.menu.annot_edit_thickness

linkCreate your own quick menu

You can use quick menus in a ToolManager as well as in your application logic directly. By the end of this tutorial, you will be able to create your own quick menu.

  1. First, add a menu resource XML file in your project's res/menu folder. For example, let's create a file called custom.xml.

    By default, all menu items are placed in the first row of the quick menu. If you want to specify the location of a menu item, enclose the item inside a group with a group id from this list:

Group idLocation in quick menu
@id/qm_first_row_groupFirst row group id: all menu items inside this group will be displayed in the first row of the quick menu.
@id/qm_second_row_groupSecond row group id: all menu items inside this group will be displayed in the second row of the quick menu.
@id/qm_overflow_row_groupOverflow list group id: all menu items inside this group will be displayed in the overflow menu list of the quick menu.
  1. Add the following to custom.xml:

    <?xml version="1.0" encoding="utf-8"?>
    <menu xmlns:android="http://schemas.android.com/apk/res/android">
        <group android:id="@id/qm_first_row_group">
            <item android:id="@+id/rectangle"
                android:title="@string/tools_qm_rectangle"
                android:icon="@drawable/ic_annotation_square_black_24dp" />
        </group>
        <group android:id="@id/qm_second_row_group">
            <item android:id="@+id/line"
                android:title="@string/annot_line"
                android:icon="@drawable/ic_annotation_line_black_24dp"/>
            <item android:id="@+id/free_text"
                android:title="@string/tools_qm_free_text"
                android:icon="@drawable/ic_annotation_freetext_black_24dp"/>
        </group>
        <group android:id="@id/qm_overflow_row_group">
            <item android:id="@+id/floating_sig"
                android:title="@string/tools_qm_signature"/>
            <item android:id="@+id/link"
                android:title="@string/annot_link"/>
        </group>
    </menu>

    You can also add a sub menu by specifiying it in the menu resource XML. For example, we can add an Oval menu item as a submenu under the Rectangle menu item by changing custom.xml to:

    <?xml version="1.0" encoding="utf-8"?>
    <menu xmlns:android="http://schemas.android.com/apk/res/android">
        <group android:id="@id/qm_first_row_group">
            <item android:id="@+id/rectangle"
                android:title="@string/tools_qm_rectangle"
                android:icon="@drawable/ic_annotation_square_black_24dp" >
                <!-- Sub menu added to Rectangle menu item -->
                <menu>
                    <group android:id="@id/qm_first_row_group">
                        <item android:id="@+id/oval"
                            android:title="@string/annot_circle"/>
                    </group>
                </menu>
            </item>
        </group>
        <group android:id="@id/qm_second_row_group">
            <item android:id="@+id/line"
                android:title="@string/annot_line"
                android:icon="@drawable/ic_annotation_line_black_24dp"/>
            <item android:id="@+id/free_text"
                android:title="@string/annot_free_text"
                android:icon="@drawable/ic_annotation_freetext_black_24dp"/>
        </group>
        <group android:id="@id/qm_overflow_row_group">
            <item android:id="@+id/floating_sig"
                android:title="@string/tools_qm_signature"/>
            <item android:id="@+id/link"
                android:title="@string/annot_link"/>
        </group>
    </menu>

    For more information on defining an XML menu resource, see Defining a Menu in XML.

  2. After adding the menu resource XML, initialize QuickMenu as follows:

    Alternatively, if you want to customize menu items manually you can call QuickMenu.inflate to prevent auto-initialization. Then after customizing the items, call QuickMenu.initMenuEntries to apply your changes:

  3. When you want to show the quick menu, set an anchor view that defines where the quick menu should appear by calling QuickMenu.setAnchor(View), then call QuickMenu.Show():

    The quick menu will automatically adjust its position to either the top or bottom of the anchor view, depending on the space available:

    At this point, you should see the following when the quick menu is shown:

    Without sub menu:

    With sub menu:

linkClick events

Click events from your custom items will not be automatically handled by the PDFTron SDK if the menu item id does not match any of the default ids defined in the tools package (located in the PDFViewCtrlTools\res\menu\ids.xml file). You will have to handle these events as described in this guide or by implementing onDismiss():

If your quick menu is controlled by a custom tool, you can simply override Tool.onQuickMenuClicked(QuickMenuItem) in your custom tool to listen for quick menu click events.

linkQuick menu style

linkIcon style

You can call the following methods to customize the quick menu item icons programmatically before the they are initialized:

Method callDescription
QuickMenuItem.setIcon(Drawable) or
QuickMenuItem.setIcon(int)
Set the menu item icon
QuickMenuItem.setColor(int)Set the icon color
QuickMenuItem.setOpacity(float)Set the icon opacity

Example

You can also customize the icon using the android:icon attribute in your menu resource XML file. Additionally if your Android app supports minimum API level 26, you can set the icon tint color and tint mode by setting the android:iconTint and android:iconTintMode attributes.

Example

<item android:id="@+id/rectangle"
    android:title="@string/tools_rectangle"
    android:icon="@drawable/annotation_square"
    android:iconTint="@color/fab_dark_blue"
    android:iconTintMode="src_in"/>

linkButton style

QuickMenu uses R.style.QuickMenuButton for the buttons style. You can change the style by overriding it in your res/value/style.xml file.

If you want to change the button style the after quick menu is displayed, you can find the button by calling QuickMenu.findMenuItem(QuickMenuItem). Once the button is found, how you set its style programmatically depends on whether it is an ImageButton or a Button.

Example

linkBackground

The quick menu background uses drawable/quickmenu_bg_rect.xml for API 21 and above and drawable/quickmenu_bg_rect_old_api for API under 21. You can change the background by overriding these drawable files.

linkDivider

There is a hairline divider between the first and second row of the quick menu. If both rows exist, the divider is VISIBLE by default. You can hide this hairline divider by calling QuickMenu.setDividerVisibility(View.INVISIBLE)