Audiogram
Super lightweight audiowave progressbar written in Kotlin
Getting started
Add to your root build.gradle:
allprojects {
repositories {
...
maven {
url "https://jitpack.io"
}
}
}
Add the dependency:
dependencies {
compile 'com.github.alxrm:audiowave-progressbar:0.9'
}
Attrs
| attr | format | description |
|---|---|---|
| waveColor | color | with this color chunks will be filled |
| chunkWidth | dimension | every chunk will have this width |
| chunkHeight | dimension | maximum height all the chunks can be |
| minChunkHeight | dimension | minimum height all the chunks can be |
| chunkSpacing | dimension | spacing between chunks |
| chunkRadius | dimension | how much corners of every chunk will be rounded |
| progress | float | should be 0..100, it's float so you can easily animate this |
| animateExpansion | boolean | toggle the animated expansion |
Note: If you are going to place this in a RecyclerView item, you have to set animateExpansion to false, otherwise you'll see an incredibly laggy scroll (check out the example)
In code
Settle the wave somewhere in your XML like this:
<rm.com.audiowave.AudioWaveView
android:id="@+id/wave"
android:layout_width="match_parent"
android:layout_height="32dp"
android:layout_margin="16dp"
app:animateExpansion="false"
app:chunkWidth="3dp"
app:chunkHeight="24dp"
app:minChunkHeight="2dp"
app:chunkSpacing="1dp"
app:chunkRadius="1dp"
app:waveColor="@android:color/white"
/>API
Set raw byte array asynchronously
// does downsampling in O(N) and shows the animation you see in a gif above (the inflation-like one)
setRawData(byte[] data);
// you also have the ability to listen, when does the downsampling complete
setRawData(byte[] data, OnSamplingListener callback);
In case you have a scaled byte array you want to draw, i. e. an array whose size is the amount of chunks to draw
// instantly redraws the wave without async downsampling process
setScaledData(byte[] scaledData);
Now you can use it like a Seekbar, it reacts on touches, just attach listener
setOnProgressListener(OnProgressListener listener);
This listener has 3 methods like a built-in Seekbar
void onStartTracking(float progress) {
// invokes when user touches the view
}
void onStopTracking(float progress) {
// invokes when user releases the touch
}
void onProgressChanged(float progress, boolean byUser) {
// invokes every time the progress's been changed
}
Contribution
There are some features(like better precision) I am about to implement, but a little bit later. If you'd like to help, you are always free to send pull requests or issues if you only want to suggest something
Note: All your pull requests should be written in kotlin
License
MIT License Copyright (c) 2016 Alexey Derbyshev Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.