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Activityの背景をぼかす
Nobuhito Ibaraki
November 28, 2017
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1.1k
Activityの背景をぼかす
Nobuhito Ibaraki
November 28, 2017
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Transcript
© 2017 VASILY,Inc. "DUJWJUZͷഎܠΛ΅͔͢ potatotips #45ʢiOS/Android։ൃTipsڞ༗ձʣ 2017/11/28
© 2017 VASILY,Inc. ࣗݾհ Ἒɹெਔ גࣜձࣾ7"4*-:ϑϩϯτΤϯυ։ൃ෦ @niba1122 ɺגࣜձࣾ7"4*-:ʹ৽ଔͰೖࣾɻ ϑϩϯτΤϯυΤϯδχΞͱͯ͠8FCJ04"OESPJEͷ ֤ϓϥοτϑΥʔϜΛ୲͍ͯ͠Δɻ
J04"OESPJEڞʹ։ൃྺϲ݄ɻ
© 2017 VASILY,Inc. Γ͍ͨ͜ͱ "DUJWJUZͷ্ʹ৽͍͠"DUJWJUZΛදࣔͯ͠എܠΛ΅͔͢
© 2017 VASILY,Inc. ࣮ͷํ എܠͷΩϟϓνϟΛऔΔ Ωϟϓνϟʹ#MVSॲཧΛֻ͚Δ #MVSΛֻ͚ͨΩϟϓνϟΛ"DUJWJUZͷഎܠʹઃఆ͢Δ
© 2017 VASILY,Inc. #MVSॲཧ IUUQXXXKBZSBNCIJBDPNCMPHBOESPJECBDLHSPVOECMVS Λࢀߟʹ࣮ͯ͠
© 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() }
© 2017 VASILY,Inc. ۤ࿑ͨ͠ᶃ ϙοϓΞοϓͷ"DUJWJUZͰ എܠͷΩϟϓνϟΛࡱΕͳ͍ ϙοϓΞοϓͷ"DUJWJUZΛಁ໌ʹͯ͠ΩϟϓνϟΛࡱͬͯ എܠͷ"DUJWJUZΩϟϓνϟ͞Εͳ͍
© 2017 VASILY,Inc. ղܾࡦ ભҠલͷ"DUJWJUZͰΩϟϓνϟΛࡱͬͯ ϙοϓΞοϓͷ"DUJWJUZʹ͢
© 2017 VASILY,Inc. Ωϟϓνϟͷ#NQ͕େ͖͗ͯ͢*OUFOUͰͤͳ͍ͷͰ ϩʔΧϧετϨʔδʹอଘͯ͠63*Λ*OUFOUͰ͢Α͏ʹͨ͠ 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 }
© 2017 VASILY,Inc.
© 2017 VASILY,Inc. ۤ࿑ͨ͠ᶄ ը૾อଘɾ#MVSॲཧ͕ॏ͍ ʢػछʹΑΔ͕ඵఔ͔͔Δ߹͕͋Δʣ ͦͷͨΊϝΠϯεϨουΛѹഭ͢Δ
© 2017 VASILY,Inc. ղܾࡦ શͯ"TZOD5BTLͰΔ
© 2017 VASILY,Inc. ը૾ॲཧ$POUFYUΛ͏ॲཧ͕ଟ͍ͷͰ "TZOD5BTLʹ"DUJWJUZΛͯ͠8FBL3FGFSFODFͰ ࢀর͢ΔΑ͏ʹͨ͠ private class AsyncBlurredCaptureLoader(activity: BlurredModalActivity)
: AsyncTask<Uri, Unit, Drawable>() { 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) }
© 2017 VASILY,Inc.
© 2017 VASILY,Inc. ·ͱΊ w ϙοϓΞοϓͷ"DUJWJUZ͔ΒഎܠͷΩϟϓνϟࡱΕͳ͍ͷͰ എܠͷ"DUJWJUZͰ༧ΊΩϟϓνϟΛऔΔΑ͏ʹͨ͠ w Ωϟϓνϟը૾͕େ͖͍ͨΊʹJOUFOUͰͤͳ͍ͷͰ ϩʔΧϧετϨʔδʹอଘ͢ΔΑ͏ʹͨ͠
w ը૾อଘ#MVSॲཧΛ"TZOD5BTLͰߦ͏ͱ͖ʹϝΠϯεϨου ͷDPOUFYU͕ඞཁͳͷͰɺ8FBL3FGFSFODFΛͬͨ
© 2017 VASILY,Inc. ͝ਗ਼ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠