JolandaVerhoef

Code snippets used in my conference talk: "Say Cheese! Elevate your camera flows with Jetpack Compose"

• Take a picture with an external camera app
• Record a video with an external camera app
• Scan a QR or Barcode using external code scanner component
• Scan a document using external component
• In-app camera preview using PreviewView
• In-app camera preview using Compose Viewfinder

ShikaSD

import androidx.compose.runtime.Composable
import androidx.compose.runtime.Composer
import androidx.compose.runtime.CompositionTracer
import androidx.compose.runtime.DisposableEffect
import androidx.compose.runtime.InternalComposeApi
import androidx.compose.runtime.InternalComposeTracingApi
import androidx.compose.runtime.remember
import androidx.compose.runtime.snapshots.MutableSnapshot
import androidx.compose.runtime.snapshots.Snapshot
import java.util.WeakHashMap

zmdominguez

#!/bin/zsh

function get_devices() {
  all_devices=$(command adb devices)
  
  # Drop the title
  all_devices=${all_devices#"List of devices attached"}

  # Drop any unauthorised devices (i.e. USB debugging disabled or authorisations revoked)
  valid_devices=$(echo $all_devices | grep -v "([[:alnum:]-]+[[:space:]]+unauthorized$)" | grep -oE "([[:alnum:]-]+[[:space:]]+device$)")

JoseAlcerreca

/*
 * Copyright 2023 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software

Kardelio

#!/usr/bin/env bash
#NOTE: requires python3 and the pip package uiautomator2
#These functions can be copied over to your own bash script
#and can be used by simply triggering tapIfExists...

function tapIfExists(){
    coords=$(getCoords "${1}")
    if [[ "$coords" != "-" ]]; then
        $fullAdb shell input tap "$coords"
    fi

bryansills

import android.graphics.Bitmap
import android.graphics.Color
import androidx.annotation.ColorInt
import com.curiouscreature.kotlin.math.Float3
import com.curiouscreature.kotlin.math.Mat3
import com.curiouscreature.kotlin.math.saturate
import com.curiouscreature.kotlin.math.transpose
import kotlin.math.pow

techyourchance

import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.FileWriter;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.regex.*;
import java.util.Arrays;
import java.util.Collection;

Zhuinden

class MainActivity : AppCompatActivity() {
    private lateinit var swipeFragment: SwipeFragment
    private lateinit var favoritesFragment: FavoritesFragment
    private lateinit var newsFragment: NewsFragment

    private val fragments: Array<out Fragment> get() = arrayOf(swipeFragment, favoritesFragment, newsFragment)

    private fun selectFragment(selectedFragment: Fragment) {
        var transaction = supportFragmentManager.beginTransaction()
        fragments.forEachIndexed { index, fragment ->

mattmook

/*
 * Copyright 2020 Appmattus Limited
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software

Zhuinden

// https://github.com/Zhuinden/fragmentviewbindingdelegate-kt

import android.view.View
import androidx.fragment.app.Fragment
import androidx.lifecycle.DefaultLifecycleObserver
import androidx.lifecycle.Lifecycle
import androidx.lifecycle.LifecycleOwner
import androidx.lifecycle.Observer
import androidx.viewbinding.ViewBinding
import kotlin.properties.ReadOnlyProperty