Activityの背景をぼかす

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1. © 2017 VASILY,Inc.
   "DUJWJUZͷഎܠΛ΅͔͢
   potatotips #45ʢiOS/Android։ൃTipsڞ༗ձʣ
   2017/11/28
   
   

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2. © 2017 VASILY,Inc.
   ࣗݾ঺հ
   Ἒ໦ɹெਔ
   גࣜձࣾ7"4*-:ϑϩϯτΤϯυ։ൃ෦
   @niba1122
   ೥ɺגࣜձࣾ7"4*-:ʹ৽ଔͰೖࣾɻ
   ϑϩϯτΤϯυΤϯδχΞͱͯ͠8FCJ04"OESPJEͷ
   ֤ϓϥοτϑΥʔϜΛ୲౰͍ͯ͠Δɻ
   J04"OESPJEڞʹ։ൃྺϲ݄ɻ
   
   

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3. © 2017 VASILY,Inc.
   ΍Γ͍ͨ͜ͱ
   "DUJWJUZͷ্ʹ৽͍͠"DUJWJUZΛදࣔͯ͠എܠΛ΅͔͢
   
   

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4. © 2017 VASILY,Inc.
   ࣮૷ͷํ਑
   എܠͷΩϟϓνϟΛऔΔ
   Ωϟϓνϟʹ#MVSॲཧΛֻ͚Δ
   #MVSΛֻ͚ͨΩϟϓνϟΛ"DUJWJUZͷഎܠʹઃఆ͢Δ
   
   

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5. © 2017 VASILY,Inc.
   #MVSॲཧ
   IUUQXXXKBZSBNCIJBDPNCMPHBOESPJECBDLHSPVOECMVS
   Λࢀߟʹ࣮ͯ͠૷
   
   

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6. © 2017 VASILY,Inc.
   Ωϟϓνϟͷऔಘ
   val view: View = window.findViewById(android.R.id.content)
   try {
   val bitmap = Bitmap.createBitmap(view.width, view.height,
   Bitmap.Config.ARGB_8888)
   val c = Canvas(bitmap)
   view.draw(c)
   } catch (e: IllegalArgumentException) {
   e.printStackTrace()
   }
   
   

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7. © 2017 VASILY,Inc.
   ۤ࿑ͨ͠఺ᶃ
   ϙοϓΞοϓͷ"DUJWJUZͰ
   എܠͷΩϟϓνϟΛࡱΕͳ͍
   ϙοϓΞοϓͷ"DUJWJUZΛಁ໌ʹͯ͠ΩϟϓνϟΛࡱͬͯ΋
   എܠͷ"DUJWJUZ͸Ωϟϓνϟ͞Εͳ͍
   
   

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8. © 2017 VASILY,Inc.
   ղܾࡦ
   ભҠલͷ"DUJWJUZͰΩϟϓνϟΛࡱͬͯ
   ϙοϓΞοϓͷ"DUJWJUZʹ౉͢
   
   

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9. © 2017 VASILY,Inc.
   Ωϟϓνϟͷ#NQ͕େ͖͗ͯ͢*OUFOUͰ౉ͤͳ͍ͷͰ
   ϩʔΧϧετϨʔδʹอଘͯ͠63*Λ*OUFOUͰ౉͢Α͏ʹͨ͠
   val cacheDir = cacheDir
   val file = File(cacheDir, CACHE_FILE_NAME)
   return try {
   val outputStream = FileOutputStream(file)
   bitmap.compress(Bitmap.CompressFormat.PNG, 100, outputStream)
   outputStream.flush()
   outputStream.close()
   Uri.fromFile(file)
   } catch (e: IOException) {
   e.printStackTrace()
   null
   }
   
   

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10. © 2017 VASILY,Inc.
    
    

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11. © 2017 VASILY,Inc.
    ۤ࿑ͨ͠఺ᶄ
    ը૾อଘɾ#MVSॲཧ͕ॏ͍
    ʢػछʹ΋ΑΔ͕ඵఔ౓͔͔Δ৔߹͕͋Δʣ
    ͦͷͨΊϝΠϯεϨουΛѹഭ͢Δ
    
    

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12. © 2017 VASILY,Inc.
    ղܾࡦ
    શͯ"TZOD5BTLͰ΍Δ
    
    

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13. © 2017 VASILY,Inc.
    ը૾ॲཧ͸$POUFYUΛ࢖͏ॲཧ͕ଟ͍ͷͰ
    "TZOD5BTLʹ"DUJWJUZΛ౉ͯ͠8FBL3FGFSFODFͰ
    ࢀর͢ΔΑ͏ʹͨ͠
    private class AsyncBlurredCaptureLoader(activity: BlurredModalActivity) : AsyncTaskDrawable>() {
    private val activity = WeakReference(activity)
    override fun doInBackground(vararg params: Uri?): Drawable? {
    val uri = params[0] ?: return null
    val capture = loadCapture(uri) ?: return null
    val renderScript = activity.get()?.let { RenderScript.create(it) } ?: return null
    val blurredCapture = RSBlurProcessor(renderScript).blur(capture, 25f, 3) ?: return null
    val resources = activity.get()?.resources ?: return null
    return BitmapDrawable(resources, blurredCapture)
    }
    override fun onPostExecute(result: Drawable?) {
    super.onPostExecute(result)
    activity.get()?.onLoadBlurredCapture(result)
    }
    
    

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14. © 2017 VASILY,Inc.
    
    

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15. © 2017 VASILY,Inc.
    ·ͱΊ
    w ϙοϓΞοϓͷ"DUJWJUZ͔ΒഎܠͷΩϟϓνϟ͸ࡱΕͳ͍ͷͰ

    എܠͷ"DUJWJUZͰ༧ΊΩϟϓνϟΛऔΔΑ͏ʹͨ͠
    w Ωϟϓνϟը૾͕େ͖͍ͨΊʹJOUFOUͰ౉ͤͳ͍ͷͰ

    ϩʔΧϧετϨʔδʹอଘ͢ΔΑ͏ʹͨ͠
    w ը૾อଘ΍#MVSॲཧΛ"TZOD5BTLͰߦ͏ͱ͖ʹϝΠϯεϨου
    ͷDPOUFYU͕ඞཁͳͷͰɺ8FBL3FGFSFODFΛ࢖ͬͨ

    
    

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16. © 2017 VASILY,Inc.
    ͝ਗ਼ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠
    

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