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Any issues or pull requests will not be addressed. Please consider forking your own version if changes are needed.

Material Menu

Morphing Android menu, back, dismiss and check buttons

Have full control of the animation:

Including in your project

compile 'com.balysv.materialmenu:material-menu:2.0.0'

Versions up to 2.0 (deprecated)

See README for setting up older versions of the library.

Usage

MaterialMenuDrawable

Use it as a standalone drawable in your Toolbar:

private MaterialMenuDrawable materialMenu;

protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.toolbar);
    Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
    setSupportActionBar(toolbar);
    toolbar.setNavigationOnClickListener(new View.OnClickListener() {
        @Override public void onClick(View v) {
        // Handle your drawable state here
        materialMenu.animateState(newState);
      }
    });
    materialMenu = new MaterialMenuDrawable(this, Color.WHITE, Stroke.THIN);
    toolbar.setNavigationIcon(materialMenu);
}

MaterialMenuView

A plain old View that draws the icon and provides an API to manipulate its state. You can embed it in any layout including a Toolbar.

Customisation is also available through xml attributes:

app:mm_color="color"               // Color of drawable
app:mm_visible="boolean"           // Visible
app:mm_transformDuration="integer" // Transformation animation duration
app:mm_scale="integer"             // Scale factor of drawable
app:mm_strokeWidth="integer"       // Stroke width of icons (can only be 1, 2 or 3)
app:mm_rtlEnabled="boolean"        // Enabled RTL layout support (flips all drawables)
app:mm_iconState="enum"            // Set the intial state of the drawable (burger, arrow, x or check)

API

There are four icon states:

BURGER, ARROW, X, CHECK

To morph the drawable state

MaterialMenu.animateIconState(IconState state)

To change the drawable state without animation

MaterialMenu.setIconState(IconState state)

To animate the drawable manually (i.e. on navigation drawer slide):

MaterialMenu.setTransformationOffset(AnimationState state, float value)

To hide or show the drawable:

MaterialMenu.setVisible(boolean visible)

where AnimationState is one of BURGER_ARROW, BURGER_X, ARROW_X, ARROW_CHECK, BURGER_CHECK, X_CHECK and value is between 0 and 2

Note: The icon state is resolved by current offset value. Make sure you use offset between 0 and 1 for forward animation and 1 and 2 for backwards to correctly save icon state on activity recreation.

NavigationDrawer slide interaction

Implement MaterialMenu into your ActionBar as described above and add a custom DrawerListener:

private DrawerLayout drawerLayout;
private boolean isDrawerOpened;
private MaterialMenuDrawable materialMenu;

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    toolbar = (Toolbar) findViewById(R.id.toolbar);
    setSupportActionBar(toolbar);
    materialMenu = new MaterialMenuDrawable(this, Color.WHITE, Stroke.THIN);
    toolbar.setNavigationIcon(materialMenu);

    drawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout);
    drawerLayout.setDrawerListener(new DrawerLayout.SimpleDrawerListener() {
        @Override
        public void onDrawerSlide(View drawerView, float slideOffset) {
            materialMenu.setTransformationOffset(
                MaterialMenuDrawable.AnimationState.BURGER_ARROW,
                isDrawerOpened ? 2 - slideOffset : slideOffset
            );
        }

        @Override
        public void onDrawerOpened(View drawerView) {
            isDrawerOpened = true;
        }

        @Override
        public void onDrawerClosed(View drawerView) {
            isDrawerOpened = false;
        }
        
        @Override
        public void onDrawerStateChanged(int newState) {
            if(newState == DrawerLayout.STATE_IDLE) {
                if(isDrawerOpened) {
                   menu.setIconState(MaterialMenuDrawable.IconState.ARROW);
                } else {
                   menu.setIconState(MaterialMenuDrawable.IconState.BURGER);
                }
            }
        }
    });
}

Developed By

Balys Valentukevicius

License

Copyright 2016 Balys Valentukevicius

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

   http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.