AliAzaz

class CoroutineDispatcherHelper : IDispatcher {

    override fun dispatcherIO(): CoroutineDispatcher = Dispatchers.IO

    override fun dispatcherMain(): CoroutineDispatcher = Dispatchers.Main

    override fun dispatcherDefault(): CoroutineDispatcher = Dispatchers.Default

}

AliAzaz

fun <T> Flow<T>.throttle(waitMillis: Int) = flow {
    coroutineScope {
        val context = coroutineContext
        var nextMillis = 0L
        var delayPost: Deferred<Unit>? = null
        collect {
            val current = SystemClock.uptimeMillis()
            if (nextMillis < current) {
                nextMillis = current + waitMillis

AliAzaz

// Although you can define your own key generation parameter specification, it's
// recommended that you use the value specified here.
val keyGenParameterSpec = MasterKeys.AES256_GCM_SPEC
val mainKeyAlias = MasterKeys.getOrCreate(keyGenParameterSpec)

val encrypFile = EncryptedFile.Builder(
    File(directoryPath, "file_name"),
    context,
    mainKeyAlias,
    EncryptedFile.FileEncryptionScheme.AES256_GCM_HKDF_4KB

AliAzaz

// Although you can define your own key generation parameter specification, it's
// recommended that you use the value specified here.
val keyGenParameterSpec = MasterKeys.AES256_GCM_SPEC
val mainKeyAlias = MasterKeys.getOrCreate(keyGenParameterSpec)

val sharedPref = EncryptedSharedPreferences.create( 
        "preference_name",
        mainKeyAlias,
        context, 
        EncryptedSharedPreferences.PrefKeyEncryptionScheme.AES256_SIV, 

AliAzaz

fun generateAdvMasterKey(context: Context): MasterKey {
    val advSpec = KeyGenParameterSpec.Builder(
        "key_name", // define your master key name
        KeyProperties.PURPOSE_ENCRYPT or KeyProperties.PURPOSE_DECRYPT
    ).apply {
          setBlockModes(KeyProperties.BLOCK_MODE_GCM)
          setEncryptionPaddings(KeyProperties.ENCRYPTION_PADDING_NONE)
          setKeySize(256)
          setUserAuthenticationRequired(true)
          setUserAuthenticationValidityDurationSeconds(120)

AliAzaz

fun getMasterKey(context: Context): MasterKey {
    return 
        MasterKey.Builder(context)
        .setKeyGenParameterSpec(AES256_GCM_SPEC)
        .build()
}

AliAzaz

private lateinit var adapter: GenericListAdapter<ImagesInfo>

adapter = GenericListAdapter(R.layout.product_view) { item, position ->
            viewModel.setSelectedProduct(item)
            findNavController().navigate(ImageListFragmentDirections.actionImageListFragmentToImageDetailFragment())
        }

AliAzaz

/*
* Credit to: https://stackoverflow.com/a/60642994/9764941
* */
object ImageMediaStoreFetching {

    @JvmStatic
    @SuppressLint("NewApi")
    fun getPath(uri: Uri): String? {
        val selection: String?
        val selectionArgs: Array<String>?

AliAzaz

package edu.practice.utils.shared

object Keys {

    init {
        System.loadLibrary("native-lib")
    }

    external fun apiKey(): String
}

AliAzaz

#include <jni.h>
#include <string>
extern "C"
JNIEXPORT jstring JNICALL
Java_edu_practice_utils_shared_Keys_apiKey(JNIEnv *env, jobject thiz) {
    std::string api_key = "c527aa8fadcb58f1cccef75e3a64a3ae";
    return env->NewStringUTF(api_key.c_str());
}