com.dpizarro.uipicker.library.blur

Class PickerUIBlurTask

java.lang.Object

android.os.AsyncTask<java.lang.Void,java.lang.Void,android.graphics.Bitmap>

com.dpizarro.uipicker.library.blur.PickerUIBlurTask

public class PickerUIBlurTask
extends android.os.AsyncTask<java.lang.Void,java.lang.Void,android.graphics.Bitmap>

Nested Class Summary

Nested classes/interfaces inherited from class android.os.AsyncTask

android.os.AsyncTask.Status

Field Summary

Fields inherited from class android.os.AsyncTask

SERIAL_EXECUTOR, THREAD_POOL_EXECUTOR

Constructor Summary

Constructors

Constructor and Description
PickerUIBlurTask(android.app.Activity a, int radius, PickerUIBlurHelper.BlurFinishedListener blurFinishedListener, boolean useRenderScript) Constructor

Method Summary

Modifier and Type	Method and Description
protected android.graphics.Bitmap	doInBackground(java.lang.Void... params) We blur the scaled bitmap with the preferred blur radius.
protected void	onPostExecute(android.graphics.Bitmap blurredBitmap) Finally, we post the blurred image in our listener
protected void	onPreExecute() Snapshots the specified layout with PickerUIBlurHelper.loadBitmapFromView(View) and scale it using PickerUIBlurHelper.downscaleBitmap(Bitmap)()}

Methods inherited from class android.os.AsyncTask

cancel, execute, execute, executeOnExecutor, get, get, getStatus, isCancelled, onCancelled, onCancelled, onProgressUpdate, publishProgress

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

PickerUIBlurTask

public PickerUIBlurTask(android.app.Activity a,
                        int radius,
                        PickerUIBlurHelper.BlurFinishedListener blurFinishedListener,
                        boolean useRenderScript)

Constructor

Parameters:

a - Activity is necessary to snapshot the view

radius - the radius to apply in Blur task.

blurFinishedListener - listener to notify when blur finished.

Method Detail

onPreExecute

protected void onPreExecute()

Snapshots the specified layout with PickerUIBlurHelper.loadBitmapFromView(View) and scale it using PickerUIBlurHelper.downscaleBitmap(Bitmap)()}

Overrides:

onPreExecute in class android.os.AsyncTask<java.lang.Void,java.lang.Void,android.graphics.Bitmap>

doInBackground

protected android.graphics.Bitmap doInBackground(java.lang.Void... params)

We blur the scaled bitmap with the preferred blur radius. Process the image using renderscript if possible with Blur.apply(Context, Bitmap, int, boolean)

Specified by:

doInBackground in class android.os.AsyncTask<java.lang.Void,java.lang.Void,android.graphics.Bitmap>

Returns:

blurred image

onPostExecute

protected void onPostExecute(android.graphics.Bitmap blurredBitmap)

Finally, we post the blurred image in our listener

Overrides:

onPostExecute in class android.os.AsyncTask<java.lang.Void,java.lang.Void,android.graphics.Bitmap>

Parameters:

blurredBitmap - Blurred image in doInBackground(Void...)