DaChelimo’s gists

DaChelimo / system_utils.kt

Created July 15, 2021 15:36

A list of utility functions relating with the Android System UI

	private fun setupEdgeToEdgeUI() {
	WindowCompat.setDecorFitsSystemWindows(window, false)
	ViewCompat.setOnApplyWindowInsetsListener(binding.overlayView) { v, insets ->
	insets.getInsets(WindowInsetsCompat.Type.systemBars()).let { v.setPadding(it.left, it.top, it.right, it.bottom) }
	WindowInsetsCompat.CONSUMED
	}
	}

DaChelimo / AndroidManiifest.xml

Last active April 29, 2021 07:42

Setting up API Keys


	<application>
	...
	<meta-data
	android:name="com.facebook.sdk.ApplicationId"
	android:value="${facebook_app_id}" />
	<activity
	android:name="com.facebook.FacebookActivity"
	android:configChanges="keyboard\|keyboardHidden\|screenLayout\|screenSize\|orientation"
	android:label="@string/app_name" />

DaChelimo / exceptions.kt

Last active April 20, 2021 19:27

Codewars Throw without throwing

	import java.util.*
	import java.io.*
	import java.nio.channels.FileChannel.MapMode

	fun arrayIndexOutOfBound() {
	val a = arrayOf<Int>()[-2]
	}

	fun negativeArraySize() {
	val n = Array(-10, {0})

DaChelimo / AppConfig.kt

Last active April 21, 2021 06:23

Kotlin DSL Setup

	//app level config constants
	object AppConfig {
	const val compileSdk = 30
	const val minSdk = 21
	const val targetSdk = 30
	const val versionCode = 1
	const val versionName = "1.0.0"
	const val buildToolsVersion = "29.0.3"

	const val androidTestInstrumentation = "androidx.test.runner.AndroidJUnitRunner"

DaChelimo / AndroidManifest.xml

Created April 2, 2021 08:29

How to create splash screen

	<activity
	android:name=".SplashActivity"
	android:theme="@style/SplashTheme">
	<intent-filter>
	<action android:name="android.intent.action.MAIN" />

	<category android:name="android.intent.category.LAUNCHER" />
	</intent-filter>
	</activity>

DaChelimo / GradleDeps.txt

Last active March 23, 2021 10:35

List of libraries I commonly use (Testing, Networking, Coroutines and Glide libraries)

	// Moshi
	implementation "com.squareup.moshi:moshi:1.11.0"
	implementation "com.squareup.moshi:moshi-kotlin:1.11.0"
	kapt("com.squareup.moshi:moshi-kotlin-codegen:1.11.0")

	// Retrofit
	implementation "com.squareup.retrofit2:retrofit:2.9.0"
	implementation "com.squareup.retrofit2:converter-moshi:2.6.0"

	// Coroutines

DaChelimo / EspressoExt.kt

Created March 22, 2021 09:13

Extensions for Espresso Testing Library

	fun setTextInTextView(value: String?): ViewAction {
	return object : ViewAction {
	override fun getConstraints(): Matcher<View> {
	return allOf(isDisplayed(), isAssignableFrom(TextView::class.java))
	}

	override fun perform(uiController: UiController?, view: View) {
	(view as TextView).text = value
	}

DaChelimo / ViewModelFactoryExt.kt

Created December 3, 2020 08:14

A kotlin extension function that eliminates the need of writing ViewModelFactory

	import androidx.fragment.app.Fragment
	import androidx.lifecycle.ViewModel
	import androidx.lifecycle.ViewModelProvider


	/**
	* An extension function that removes the need to write ViewModelFactory by creating a factory based on ViewModel arguments
	*
	* Example:
	* private val viewModel: DailyForecastViewModel by DailyForecastViewModel(requireContext()).createViewModel(this)

DaChelimo / sdf_patterns.html

Last active November 11, 2020 10:33

Patterns for SimpleDateFormat for Java & Kotlin

	### SimpleDateFormat Patterns
	Year

	// yyyy or YYYY - Year

	Month

	MM - Month of the year (eg. 11)

	MMM - Month of the year (eg. Nov)

DaChelimo / list-of-all-countries.kt

Created October 22, 2020 11:52

A kotlin list containing all the countries in the world.

val listOfAllCountries = arrayListOf("United States", "Canada", "Afghanistan", "Albania", "Algeria", "American Samoa", "Andorra", "Angola", "Anguilla", "Antarctica", "Antigua and/or Barbuda", "Argentina", "Armenia", "Aruba", "Australia", "Austria", "Azerbaijan", "Bahamas", "Bahrain", "Bangladesh", "Barbados", "Belarus", "Belgium", "Belize", "Benin", "Bermuda", "Bhutan", "Bolivia", "Bosnia and Herzegovina", "Botswana", "Bouvet Island", "Brazil", "British Indian Ocean Territory", "Brunei Darussalam", "Bulgaria", "Burkina Faso", "Burundi", "Cambodia", "Cameroon", "Cape Verde", "Cayman Islands", "Central African Republic", "Chad", "Chile", "China", "Christmas Island", "Cocos (Keeling) Islands", "Colombia", "Comoros", "Congo", "Cook Islands", "Costa Rica", "Croatia (Hrvatska)", "Cuba", "Cyprus", "Czech Republic", "Denmark", "Djibouti", "Dominica", "Dominican Republic", "East Timor", "Ecudaor", "Egypt", "El Salvador", "Equatorial Guinea", "Eritrea", "Estonia", "Ethiopia", "Falkland Islands (Malvinas)", "Faroe Islan

Andrew Chelimo DaChelimo