limkhashing

fun maskPhoneNumber(input: String): String {
    fun removeNonNumericalChar(input: String): String {
        val result = StringBuilder()
        for (char in input) {
            if (char.isDigit()) {
                result.append(char)
            }
        }
        return result.toString()
    }

limkhashing

import android.security.keystore.KeyGenParameterSpec
import android.security.keystore.KeyProperties
import java.security.KeyStore
import javax.crypto.Cipher
import javax.crypto.KeyGenerator
import javax.crypto.SecretKey
import javax.crypto.spec.IvParameterSpec

object Cryptography {
    private const val KEY_ALIAS = "secret"

limkhashing

{
  "timeStamp": 1767349321188,
  "version": "1.68.0",
  "userSettings": {
    "importedLists": [],
    "popupPanelSections": 63
  },
  "selectedFilterLists": [
    "user-filters",
    "ublock-filters",

limkhashing

class SoftInputAssist(activity: Activity) {
    private var contentContainer: ViewGroup?
    private var rootView: View?
    private val rootViewLayout: FrameLayout.LayoutParams?

    private val contentAreaOfWindowBounds: Rect = Rect()
    private var viewTreeObserver: ViewTreeObserver? = null
    private var usableHeightPrevious = 0

    private val listener = OnGlobalLayoutListener {

limkhashing

/*
 * Copyright (C) 2017 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
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software

limkhashing

// 1. Create a State for the ViewModel, which will be observed from the Screen
data class AuthScreenState(...)

class AuthViewModel : ViewModel() {
    private var _state = MutableStateFlow(AuthScreenState())
    private val state = _state.stateIn(
        scope = viewModelScope
        started = SharingStarted.WhileSubscribed(stopTimeoutMillis =  5000)
        initialValue = AuthScreenState()
    )

limkhashing

"hide_navigation_samples_button": true,
"hide_settings_menu_parent_tools": true,
"remember_playback_speed_last_selected": false,
"remember_video_quality_last_selected": false

limkhashing

import androidx.compose.animation.core.animateFloat
import androidx.compose.animation.core.infiniteRepeatable
import androidx.compose.animation.core.rememberInfiniteTransition
import androidx.compose.animation.core.tween
import androidx.compose.foundation.background
import androidx.compose.foundation.layout.*
import androidx.compose.foundation.shape.CircleShape
import androidx.compose.runtime.*
import androidx.compose.ui.Modifier
import androidx.compose.ui.composed

limkhashing

// Producer is covariant in T
// Class body can only return T, not take T as parameter
class Producer<out T> {
	fun produce() : T // ok
	fun consume(item: T) // compile error
}

// Then it's possible to:
fun covariantExample(x: Producer<String>) {
	val y: Producer<Any> = x // Allowed, producer is covariant in T

limkhashing

import android.os.Build
import androidx.appcompat.app.AppCompatActivity
import androidx.biometric.BiometricManager
import androidx.biometric.BiometricManager.Authenticators.BIOMETRIC_STRONG
import androidx.biometric.BiometricManager.Authenticators.DEVICE_CREDENTIAL
import androidx.biometric.BiometricPrompt
import androidx.biometric.BiometricPrompt.PromptInfo
import kotlinx.coroutines.channels.Channel
import kotlinx.coroutines.flow.receiveAsFlow