Miha-x64

import android.content.Intent;
import android.os.Bundle;
import android.support.annotation.NonNull;

public abstract class BundleKey<T> {

    @NonNull final String key;

    BundleKey(@NonNull String key) {
        this.key = key;

Miha-x64

package net.aquadc.common
// Gist: https://gist.github.com/Miha-x64/5f626228b34175f827734596d6701008

import java.util.*

// maps

inline fun <reified K : Enum<K>, V> enumMapOf(): MutableMap<K, V> {
    return EnumMap<K, V>(K::class.java)
}

Miha-x64

package net.aquadc.common

import com.google.gson.Gson
import com.google.gson.TypeAdapter
import com.google.gson.TypeAdapterFactory
import com.google.gson.reflect.TypeToken
import java.lang.reflect.ParameterizedType
import java.util.*

/**

Miha-x64

abstract class RetrofitCallback<T> : retrofit2.Callback<T> {

    final override fun onResponse(call: Call<T>, response: Response<T>) =
            if (response.isSuccessful) onSuccess(response.body())
            else
                onError(when (response.code()) {
                    401 -> Failure.Unauthorized()
                    404 -> Failure.NotFound()
                    409 -> Failure.Conflict()
                    500 -> Failure.InternalServerError()

Miha-x64

object class BadBackendResponseDeserializer : JsonDeserializer<Any?> {

    // register all adapters you need
    private val gson = GsonBuilder()
            .registerTypeAdapter(Post::class.java, WallPostAdapter)
            .registerTypeAdapter(Attachment::class.java, AttachmentAdapter)
            .registerTypeAdapter(User::class.java, UserAdapter)
            .registerTypeAdapter(Group::class.java, GroupAdapter)
            .create()

Miha-x64

import com.google.gson.Gson;
import com.google.gson.JsonIOException;
import com.google.gson.TypeAdapter;
import com.google.gson.internal.JsonReaderInternalAccess;
import com.google.gson.reflect.TypeToken;
import com.google.gson.stream.JsonReader;
import com.google.gson.stream.JsonToken;
import com.google.gson.stream.JsonWriter;
import com.google.gson.stream.MalformedJsonException;
import okhttp3.MediaType;

Miha-x64

class GradientStrokeDrawable : Drawable() {

    var radius: Float = 0f
        set(radius) {
            if (field != radius) {
                check(radius.isFinite() && radius >= 0f)
                field = radius
                path.rewind()
                invalidateSelf()
            }

Miha-x64

import java.io.IOException;
import java.io.UncheckedIOException;

/**
 * XML escaping utils.
 *
 * Source: https://gist.github.com/Miha-x64/4ed50f1d5593e45a452efbf456aa1db4
 */
public final class Xml {

Miha-x64

package whatever.dynamicapkloading;

import android.app.Activity;
import android.content.Context;
import android.content.res.AssetManager;
import android.content.res.Configuration;
import android.content.res.Resources;
import android.os.Bundle;
import android.util.DisplayMetrics;
import android.widget.TextView;

Miha-x64

# preverify is useful only for J2ME
# R8 doesn't preverify by default
#-dontpreverify

-optimizationpasses 5
# this seems to be enough

# remove indirection
-allowaccessmodification