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A highly configurable library to do loading progress with animated balls for Android

Demo Screenshot

How to use

Custom attributes

lib:path="triangle"

The shape of the movement, available:

*  infinite
*  square
*  triangle
*  circle
*  diamond
*  star

lib:balls="3"

Number of balls used in the animation

lib:movement_cycle_time="1500"

The time which the ball takes to do a complete cicle

lib:enable_size_animation="true"

Enables the size animation in the balls (by default is false)

lib:size_cycle_time="500"

The time it takes to the ball to grow up and decrease the size one time

lib:ball_size="6dp"

Set the balls size

lib:min_ball_size="5dp"
lib:max_ball_size="12dp"

To use with enable_size_animation="true", set the min and the max ball size

lib:ball_colors="@array/colors"

Array of colors for the balls, if there are more balls than colors then repeat color balls

<?xml version="1.0" encoding="utf-8"?>
<resources>
  <color name="ball1">#FFD91C</color>
  <color name="ball2">#FF4B4A</color>
  <color name="ball3">#3D8EFF</color>

  <integer-array name="colors">
    <item>@color/ball1</item>
    <item>@color/ball2</item>
    <item>@color/ball3</item>
  </integer-array>
</resources>

Sample colors array

For Gradle

Add repository

repositories {
  maven {
    url "http://dl.bintray.com/glomadrian/maven"
  }
}

Add dependency

  compile 'com.github.glomadrian:loadingballs:1.1@aar'

Some Samples

Default Infinite shape

Sample

<com.github.glomadrian.loadingballs.BallView
     android:layout_margin="30dp"
     android:layout_width="100dp"
     android:layout_height="100dp"
     lib:balls="3"
     lib:movement_cycle_time="1500"
     lib:enable_size_animation="true"
     lib:size_cycle_time="500"
     lib:min_ball_size="5dp"
     lib:max_ball_size="12dp"
     lib:ball_colors="@array/colors"
     android:layout_gravity="center"
     />

Infinite shape without size animation

Sample

<com.github.glomadrian.loadingballs.BallView
      android:layout_margin="30dp"
      android:layout_width="100dp"
      android:layout_height="100dp"
      lib:balls="3"
      lib:movement_cycle_time="1000"
      lib:enable_size_animation="false"
      lib:ball_colors="@array/colors"
      android:layout_gravity="center"
      />

Infinite shape with 5 balls

Sample

<com.github.glomadrian.loadingballs.BallView
    android:layout_margin="30dp"
    android:layout_width="100dp"
    android:layout_height="100dp"
    lib:balls="5"
    lib:movement_cycle_time="1500"
    lib:enable_size_animation="true"
    lib:size_cycle_time="500"
    lib:min_ball_size="5dp"
    lib:max_ball_size="12dp"
    lib:ball_colors="@array/colors"
    android:layout_gravity="center"
    />

Triangle shape with 3 balls and size animation

Sample

<com.github.glomadrian.loadingballs.BallView
       android:layout_margin="30dp"
       android:layout_width="100dp"
       android:layout_height="100dp"
       lib:balls="3"
       lib:movement_cycle_time="1500"
       lib:enable_size_animation="true"
       lib:size_cycle_time="500"
       lib:min_ball_size="5dp"
       lib:max_ball_size="12dp"
       lib:ball_colors="@array/colors"
       lib:path="triangle"
       android:layout_gravity="center"
       />

Triangle shape with 2 balls

Sample

<com.github.glomadrian.loadingballs.BallView
        android:layout_margin="30dp"
        android:layout_width="100dp"
        android:layout_height="100dp"
        lib:balls="2"
        lib:movement_cycle_time="800"
        lib:enable_size_animation="false"
        lib:ball_colors="@array/colors"
        lib:path="triangle"
        android:layout_gravity="center"
        />

Square shape with 3 balls

Sample

<com.github.glomadrian.loadingballs.BallView
    android:layout_margin="30dp"
    android:layout_width="100dp"
    android:layout_height="100dp"
    lib:balls="3"
    lib:movement_cycle_time="800"
    lib:enable_size_animation="false"
    lib:ball_colors="@array/colors"
    lib:path="square"
    android:layout_gravity="center"
    />

Square shape with 5 balls and size animation

Sample

<com.github.glomadrian.loadingballs.BallView
    android:layout_margin="30dp"
    android:layout_width="100dp"
    android:layout_height="100dp"
    lib:balls="5"
    lib:movement_cycle_time="1200"
    lib:enable_size_animation="true"
    lib:size_cycle_time="500"
    lib:min_ball_size="5dp"
    lib:max_ball_size="12dp"
    lib:ball_colors="@array/colors"
    lib:path="square"
    android:layout_gravity="center"
    />

Circle shape with 3 balls and size animation

Sample

<com.github.glomadrian.loadingballs.BallView
    android:layout_margin="30dp"
    android:layout_width="100dp"
    android:layout_height="100dp"
    lib:balls="3"
    lib:movement_cycle_time="1200"
    lib:enable_size_animation="true"
    lib:size_cycle_time="1500"
    lib:min_ball_size="5dp"
    lib:max_ball_size="12dp"
    lib:ball_colors="@array/colors"
    lib:path="circle"
    android:layout_gravity="center"
    />

Circle shape with 2 balls without size animation

Sample

<com.github.glomadrian.loadingballs.BallView
    android:layout_margin="30dp"
    android:layout_width="100dp"
    android:layout_height="100dp"
    lib:balls="2"
    lib:movement_cycle_time="700"
    lib:enable_size_animation="false"
    lib:ball_colors="@array/colors"
    lib:path="circle"
    android:layout_gravity="center"
    />

Star shape with 10 balls without size animation

Sample

<com.github.glomadrian.loadingballs.BallView
    android:layout_margin="30dp"
    android:layout_width="100dp"
    android:layout_height="100dp"
    lib:balls="10"
    lib:movement_cycle_time="2500"
    lib:enable_size_animation="false"
    lib:ball_colors="@array/colors"
    lib:path="star"
    lib:ball_size="5dp"
    android:layout_gravity="center"
    />

Star shape with 5 balls and size animation

Sample

<com.github.glomadrian.loadingballs.BallView
         android:layout_margin="30dp"
         android:layout_width="100dp"
         android:layout_height="100dp"
         lib:balls="5"
         lib:movement_cycle_time="2500"
         lib:ball_colors="@array/colors"
         lib:path="star"
         lib:ball_size="5dp"
         lib:enable_size_animation="true"
         lib:size_cycle_time="800"
         lib:min_ball_size="5dp"
         lib:max_ball_size="8dp"
         android:layout_gravity="center"
         />

Star shape with 3 balls and size animation

Sample

<com.github.glomadrian.loadingballs.BallView
    android:layout_margin="30dp"
    android:layout_width="100dp"
    android:layout_height="100dp"
    lib:balls="3"
    lib:movement_cycle_time="2500"
    lib:ball_colors="@array/colors"
    lib:path="star"
    lib:ball_size="5dp"
    lib:enable_size_animation="true"
    lib:size_cycle_time="800"
    lib:min_ball_size="5dp"
    lib:max_ball_size="8dp"
    android:layout_gravity="center"
    />

Diamond shape with 5 balls without size animation

Sample

<com.github.glomadrian.loadingballs.BallView
    android:layout_margin="30dp"
    android:layout_width="100dp"
    android:layout_height="100dp"
    lib:balls="5"
    lib:movement_cycle_time="2500"
    lib:ball_colors="@array/colors"
    lib:path="diamond"
    lib:ball_size="6dp"
    android:layout_gravity="center"
    />

Diamond shape with 4 balls and size animation

Sample

<com.github.glomadrian.loadingballs.BallView
         android:layout_margin="30dp"
         android:layout_width="100dp"
         android:layout_height="100dp"
         lib:balls="4"
         lib:movement_cycle_time="2500"
         lib:ball_colors="@array/colors"
         lib:path="diamond"
         lib:ball_size="5dp"
         lib:enable_size_animation="true"
         lib:size_cycle_time="800"
         lib:min_ball_size="5dp"
         lib:max_ball_size="8dp"
         android:layout_gravity="center"
         />

Diamond shape with 10 balls without size animation

Sample

<com.github.glomadrian.loadingballs.BallView
    android:layout_margin="30dp"
    android:layout_width="100dp"
    android:layout_height="100dp"
    lib:balls="10"
    lib:movement_cycle_time="2500"
    lib:ball_colors="@array/colors"
    lib:path="diamond"
    lib:ball_size="4dp"
    android:layout_gravity="center"
    />

Developed By

Adrián García Lomas - glomadrian@gmail.com

License

Copyright 2015 Adrián García Lomas

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.