Road Runner

Road Runner is a library for android which allow you to make your own loading animation using a SVG image

Sample video

View in Youtube

Demo Application

#### Road Runner intro

Determiante

Determiante with value update

Material animation with twitter logo

TwoWay animation with Github logo

How to

The library use the standard String path information (only one path) and the original size to works, you need to obtain it using a external tool, the path information look like this:

M306.314,58.9801 C275.235,27.9011,224.837,27.9011,193.759,58.9801
L39.0019,213.736 C15.6832,237.055,15.6832,274.838,39.0019,298.158
C58.2219,317.378,87.2116,320.482,109.874,308.007
C112.241,307.888,114.569,306.993,116.38,305.202 L271.136,150.445
C286.675,134.906,286.675,109.717,271.136,94.1779
C255.597,78.6389,230.408,78.6389,214.869,94.1779 L88.2461,220.8
C84.366,224.68,84.366,230.987,88.2461,234.866
C92.1263,238.746,98.4335,238.746,102.313,234.866 L228.935,108.245
C236.715,100.465,249.309,100.465,257.07,108.245
C264.85,116.025,264.85,128.619,257.07,136.379 L109.337,284.111
C93.7979,299.65,68.6085,299.65,53.0694,284.111
C37.5304,268.572,37.5304,243.383,53.0694,227.844 L207.825,73.0468
C231.144,49.7281,268.928,49.7281,292.247,73.0468
C315.566,96.3654,315.566,134.149,292.247,157.469 L151.558,298.158
C147.678,302.038,147.678,308.345,151.558,312.225
C155.438,316.105,161.745,316.105,165.625,312.225 L306.314,171.535
C337.393,140.457,337.393,90.0591,306.314,58.98 Z

And the width and height can be found in the svg definition:

height="316"
width="512"

Using the view (Samples)

Two way

<com.github.glomadrian.roadrunner.IndeterminateRoadRunner
      android:id="@+id/two_way"
      android:layout_width="match_parent"
      android:layout_height="match_parent"
      lib:movement_loop_time="4000"
      lib:movement_direction="counter_clockwise"
      lib:path_color="@color/two_way"
      lib:line_size="0.05"
      lib:stroke_width="3sp"
      lib:left_line_animation_time="2800"
      lib:left_line_max_size="0.5"
      lib:left_line_animation_start_delay="2500"
      lib:right_line_animation_start_delay="2000"
      lib:right_line_max_size="0.5"
      lib:right_line_animation_time="2000"
      lib:path_data="@string/github"
      lib:path_original_width="@integer/github_original_width"
      lib:path_original_height="@integer/github_original_height"
      lib:path_animation_type="twoWay"
      />

Material

<com.github.glomadrian.roadrunner.IndeterminateRoadRunner
     android:id="@+id/material"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     lib:movement_direction="counter_clockwise"
     lib:path_color="#FFFFFF"
     lib:stroke_width="3sp"
     lib:path_data="@string/twitter"
     lib:path_original_width="@integer/twitter_original_width"
     lib:path_original_height="@integer/twitter_original_height"
     lib:path_animation_type="material"
     />

Determinate Two way

<com.github.glomadrian.roadrunner.DeterminateRoadRunner
    android:id="@+id/determinate"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    lib:min="0"
    lib:max="100"
    lib:movement_direction="counter_clockwise"
    lib:path_color="@color/colorAccent"
    lib:stroke_width="2sp"
    lib:movement_loop_time="1500"
    lib:path_data="@string/clip"
    lib:path_original_width="@integer/clip_original_width"
    lib:path_original_height="@integer/clip_original_height"
    lib:animate_on_start="false"
    />

Custom attributes

Common

movement_direction: clockwise or counter_clockwise
path_color: color of the painted path
stroke_width: width of the painted path
path_data: String with the path information
path_original_width: The original with defined in the SVG
path_original_height: The original height defined in the SVG
animate_on_start: true or false, init the animation on first paint (true by default)

Indeterminate

path_animation_type: Select indetermina animation type, can be:
- material
- twoWay

Indeterminate Material

Dont have any custom attributes

Indeterminate Two way

movement_loop_time:** Time take to do a complete loop
line_size:* The size of the base line
left_line_animation_time: Time take to do a complete animation to the left line
right_line_animation_time: Time take to do a complete animation to the right line
left_line_max_size:* The max size that the left line can research in the animation
right_line_max_size:* The max size that the right line can research in the animation
left_line_animation_start_delay: Time to wait to start the left line animation (in milliseconds)
right_line_animation_start_delay: Time to wait to start the right line animation (in milliseconds)

* From 0f to 1f, 1f is all the path

Determinate

min: Min value for the progress
max: Max value for the progress
movement_loop_time: Time take to do a complete loop
movement_line_size:* The size of the line