Egor Sheetov liberaid2

🤷‍♂️

Android Developer

liberaid2 / CustomCameraBridge.kt

Created December 7, 2019 04:18

Custom bridge between camera and OpenCV for Android. This approach uses Camera2 API. Also there is a snippet for handling wrong camera rotation.

	import android.Manifest
	import android.annotation.SuppressLint
	import android.content.Context
	import android.graphics.Bitmap
	import android.graphics.ImageFormat
	import android.hardware.camera2.CameraCaptureSession
	import android.hardware.camera2.CameraCharacteristics
	import android.hardware.camera2.CameraDevice
	import android.hardware.camera2.CameraManager
	import android.media.ImageReader

liberaid2 / CoroutineUIExtensions.kt

Last active November 5, 2019 15:03

	import kotlinx.coroutines.CoroutineScope
	import kotlinx.coroutines.Dispatchers
	import kotlinx.coroutines.launch
	import kotlinx.coroutines.withContext

	fun CoroutineScope.launchUI(block: suspend CoroutineScope.() -> Unit) = this.launch(Dispatchers.Main, block = block)
	suspend fun <T> CoroutineScope.withUI(block: suspend CoroutineScope.() -> T) = withContext(Dispatchers.Main, block = block)
	fun CoroutineScope.launchCatching(block: suspend CoroutineScope.() -> Unit, onError: (ctx: CoroutineContext, throwable: Throwable) -> Unit) = launch(CoroutineExceptionHandler(onError), block = block)
	fun CoroutineScope.launchUICatching(block: suspend CoroutineScope.() -> Unit, onError: (ctx: CoroutineContext, throwable: Throwable) -> Unit) = launch(CoroutineExceptionHandler(onError) + Dispatchers.Main, block = block)

liberaid2 / TaskPool.kt

Created March 24, 2019 16:32

Coroutines Pool for task handling

	import kotlinx.coroutines.CompletableDeferred
	import kotlinx.coroutines.CoroutineScope
	import kotlinx.coroutines.GlobalScope
	import kotlinx.coroutines.channels.*
	import kotlinx.coroutines.launch
	import kotlinx.coroutines.selects.select

	class TaskPool<T, R> (private val taskChannel: ReceiveChannel<T>, private val taskHandler: suspend CoroutineScope.(T) -> R, poolCapacity: Int = 5) {
	private val resultChannel = Channel<R>(poolCapacity)

liberaid2 / Makefile

Last active November 14, 2018 11:56

Common makefile

	CC=g++
	CFLAGS=-c -Wall -std=c++17 -g -O0
	LDFLAGS=
	LIBS=

	SRCDIR=src
	OBJDIR=obj

	SOURCES=$(wildcard $(SRCDIR)/*.cpp)
	OBJECTS=$(patsubst $(SRCDIR)/%.cpp,$(OBJDIR)/%.o,$(SOURCES))

liberaid2 / RVAdapter.kt

Last active October 19, 2018 23:03

RecyclerView adapter template for MVP pattern

	package com.liberaid.mvprecyclerview.recyclerview

	import android.support.v7.widget.RecyclerView
	import android.view.LayoutInflater
	import android.view.View
	import android.view.ViewGroup

	/**
	* RecyclerView adapter template for MVP pattern

liberaid2 / Makefile

Last active July 30, 2018 11:51

stm32f103c8 universal makefile (C/CPP)

	TARGET = stm32template

	DEBUG = 1
	OPT = -Og

	BUILD_DIR = build

	C_SOURCES = $(shell find * -type f -name "*.c" \| sed ':a;N;$!ba;s/\n/ /g')
	CXX_SOURCES = $(shell find * -type f -name "*.cpp" \| sed ':a;N;$!ba;s/\n/ /g')
	ASM_SOURCES = startup_stm32f103xb.s