JarCastingInk 
A light-weight, customizable view for capturing a signature or drawing in an Android app.
Import the Dependency 
To import the Android SDK, include it as a dependency in your build.gradle file
compile 'com.simplify:ink:X.X.X'
Usage
To use the library, you must include the InkView class in your project. A simple solution is to reference it directly into your layout:
<com.simplify.ink.InkView
android:id="@+id/ink"
android:layout_width="match_parent"
android:layout_height="match_parent"/>
Then, within your code, fetch the view and initialize it:
InkView ink = (InkView) findViewById(R.id.ink);
ink.setColor(getResources().getColor(android.R.color.black));
ink.setMinStrokeWidth(1.5f);
ink.setMaxStrokeWidth(6f);
Features can be toggled on and off by using the custom attributes on the xml tag:
// add this to the root element in your layout
xmlns:app="http://schemas.android.com/apk/res-auto"
<com.simplify.ink.InkView
android:id="@+id/ink"
android:layout_width="match_parent"
android:layout_height="match_parent"
app:inkFlags="interpolation|responsiveWeight"/>
or by setting the flags manually in code:
InkView ink = (InkView) findViewById(R.id.ink);
ink.setFlags(InkView.FLAG_INTERPOLATION | InkView.FLAG_RESPONSIVE_WEIGHT);
By default, interpolation and responsive weight flags are on.
You can capture the drawing in the form of a bitmap by calling:
Bitmap drawing = ink.getBitmap();
or you can also include a background color:
Bitmap drawing = ink.getBitmap(getResources().getColor(R.color.my_background_color));
