Check if value within allowed range. @param val some value @param min minimum value @param max maximum value

Release resources of audio visualization.

Resume audio visualization.

Called when data received. @param dBmArray normalized dBm values for every layer @param ampsArray amplitude values for every layer

Pause audio visualization.

Set background color @param backgroundColor background color

Convert color into OpenGL color format. @param color some color @return array of floats: [red, green, blue, alpha]

Post empty values to renderer and stop rendering thread after waves calm down.

Link view to custom implementation of {@link DbmHandler}. @param dbmHandler instance of DbmHandler

Exponential smoothing (Holt - Winters). @param prevValue previous values in series <code>X[i-1]</code> @param newValue new value in series <code>X[i]<

Update position of bubble. @param dt time elapsed from last calculations @param ratioY aspect ratio for Y coordinates

Set calm down listener. @param calmDownListener calm down listener or null

Cancel timer posting empty values.

Get the value for the given key, returned as a boolean. Values 'n', 'no', '0', 'false' or 'off' are considered false. Values 'y', 'yes', '1', 'true' o

Utility method for compiling a OpenGL shader. @param type - Vertex or fragment shader type. @param shaderCode - String containing the shader co

Create new visualizer dBm handler. @param context instance of context @param audioSessionId audio session id @return new visualizer dBm handler @see V

Called when all waves calm down.

Quadratic Bezier curve. @param t time @param p0 start point @param p1 control point @param p2 end point @return point on Bezier curve at some time <co

Set number of bubbles per layer. @param bubblesPerLayer number of bubbles per layer

Set flag indicates that size of bubbles should be randomized @param randomizeBubbleSize true if size of bubbles should be randomized, false if size o

Set bubbles size in pixels @param bubbleSize bubbles size in pixels

Set layer colors from array resource @param arrayId array resource

Set layers count @param layersCount layers count

Set waves count @param wavesCount waves count

Set footer height in pixels @param footerHeight footer height in pixels

Set wave height in pixels @param waveHeight wave height in pixels

Start rendering of data.

Stop rendering of data.

Check if all array elements equal to zero @param array some array @return true if all elements equal to zero

Create silent MediaPlayer instance to avoid tunnel player issue @param context Context @return MediaPlayer instance

Draw wave.

Generate bubbles. @param color color of bubbles @param count number of bubbles to generate @return generated bubbles

Set OpenGL surface view. @param glSurfaceView instance of OpenGL surface view

Set dBm handler. @param handler instance of dBm handler

Set inner recognition listener. @param innerRecognitionListener inner recognition listener

Check if bubble is moved out of specified area. @return true if bubble is outside of specified area, false otherwise

Obtain "tunnel.decode" system property value @param context Context @return Whether tunnel player is enabled

Convert square of magnitude to decibels @param squareMag square of magnitude @return decibels

Create new speech recognizer dBm handler. Default dBm values [min, max]: [-2.12, 10.0]. @param context instance of context @return new speech recogni

Implement your own data conversion. @param data any data @param layersCount layers count @param dBmArray array of normalized (in range [0..1]) dBm val

Produce new bubbles.

Generate random points for wave. @param random instance of Random @param wavesCount number of waves @param width width of single wave @param shiftCoef