NullPointerException when showing color picker dialog

[CoryHufford]

java.lang.NullPointerException: Attempt to invoke virtual method 'android.graphics.Rect android.graphics.drawable.Drawable.getBounds()' on a null object reference at com.pes.androidmaterialcolorpickerdialog.MaterialColorPickerTextSeekBar.onDraw(MaterialColorPickerTextSeekBar.java:110) at android.view.View.draw(View.java:19225) at android.view.View.updateDisplayListIfDirty(View.java:18175) at android.view.View.draw(View.java:18953) at android.view.ViewGroup.drawChild(ViewGroup.java:4218) at android.view.ViewGroup.dispatchDraw(ViewGroup.java:4004) at android.view.View.draw(View.java:19228) at android.view.View.updateDisplayListIfDirty(View.java:18175) at android.view.View.draw(View.java:18953) at android.view.ViewGroup.drawChild(ViewGroup.java:4218) at android.view.ViewGroup.dispatchDraw(ViewGroup.java:4004) at android.view.View.updateDisplayListIfDirty(View.java:18166)