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💪 Rich Android Path. 🤡 Draw as you want. 🎉 Animate much as you can.

Download sample app:

Features

• Full Animation Control on Paths and VectorDrawables: Animate any attribute in a specific path in the VectorDrawable

fillColor, strokeColor, strokeAlpha, fillAlpha, size, width, height, scale, scaleX, scaleY, rotation, translationX, translationY, trimPathStart, trimPathEnd, trimPathOffset.

• Path morphing:

RichPathAnimator.animate(richPath)
       .pathData(pathData1, pathData2, ...)
       .start();

Just 3 Steps to Animate any path.

1. In your layout.

    <com.richpath.RichPathView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        app:vector="@drawable/vector_drawable" />

2. Find your richPath.

 // by path name
RichPath richPath = richPathView.findRichPathByName("path_name");
// or if it contains one path
RichPath richPath = richPathView.findFirstRichPath();
// or by index
RichPath richPath = richPathView.findRichPathByIndex(0);

3. Use the RichPathAnimator to animate your richPath.

RichPathAnimator.animate(richPath)
        .trimPathEnd(value1, value2, ...)
        .fillColor(value1, value2, ...)
        .start();

Example

notification icon vector drawable

<vector xmlns:android="http://schemas.android.com/apk/res/android"
    android:width="32dp"
    android:height="32dp"
    android:viewportHeight="32.0"
    android:viewportWidth="32.0">

    <group
        android:pivotX="16"
        android:pivotY="6.25">
        <path
            android:name="top"
            android:fillColor="#FFF7F7F7"
            android:pathData="M22,19.8v-5c0-3.1-1.6-5.6-4.5-6.3V7.8c0-0.8-0.7-1.5-1.5-1.5s-1.5,0.7-1.5,1.5v0.7c-2.9,0.7-4.5,3.2-4.5,6.3v5l-2,2v1h16v-1L22,19.8z" />

        <path
            android:name="bottom"
            android:fillColor="#FFF7F7F7"
            android:pathData="M16,25.8c1.1,0,2-0.9,2-2h-4C14,24.9,14.9,25.8,16,25.8z" />
    </group>
</vector>

XML

    <com.richpath.RichPathView
        android:id="@+id/ic_notifications"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        app:vector="@drawable/ic_notifications" />

Java

RichPath top = notificationsRichPathView.findRichPathByName("top");
RichPath bottom = notificationsRichPathView.findRichPathByName("bottom");

RichPathAnimator.animate(top)
        .interpolator(new DecelerateInterpolator())
        .rotation(0, 20, -20, 10, -10, 5, -5, 2, -2, 0)
        .duration(4000)
        .andAnimate(bottom)
        .interpolator(new DecelerateInterpolator())
        .rotation(0, 10, -10, 5, -5, 2, -2, 0)
        .startDelay(50)
        .duration(4000)
        .start();

Installation

Add the following dependency to your module build.gradle file:

dependencies {
    ...
    implementation 'com.github.tarek360.RichPath:animator:0.1.1'
}

Add this to your root build.gradle file (not your module build.gradle file) :

allprojects {
    repositories {
        ...
        maven { url "https://jitpack.io" }
    }
}

More Control by the RichPathAnimator

• Animate multiple paths sequentially or at the same time

  RichPathAnimator
      .animate(richPath1, richPath2)
      .rotation(value1, value2, ...)
  
      //Animate the same path or another with different animated attributes.
      .andAnimate(richPath3)
      .scale(value1, value2, ...)
  
      //Animate after the end of the last animation.
      .thenAnimate(richPath4)
      .strokeColor(value1, value2, ...)
  
      // start your animation 🎉
      .start();

• Which one of the paths is clicked?

  richPathView.setOnPathClickListener(new RichPath.OnPathClickListener() {
   @Override
   public void onClick(RichPath richPath) {
      if (richPath.getName().equals("path_name")) {
          //TODO do an action when a specific path is clicked.
      }
   }
  });

TODO

• ~Clickable path~ (Done)
• Support clip-path
• Path animation (animate a RichPath on a path)
• Reverse animation
• ...

If you have any suggestion please open an issue for it.

Credits

• florent37 He is the creator of ViewAnimator which gave me the idea of this project. Some core concepts and ideas were reused, but everything is written from scratch.
• Android Some code is reused form the android source code and the VectorDrawableCompat support library.
• Alex Lockwood The paths of the morphing sample is extracted from the Shape Shifter demo.

Developed By

• Ahmed Tarek
  • tarek360.github.io
  • Twitter

License

Copyright 2017 Tarek360

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.