NikolaDespotoski

 private enum ActionDrawableState{
        BURGER, ARROW
    }
    private static void toggleActionBarIcon(ActionDrawableState state, final ActionBarDrawerToggle toggle, boolean animate){
      if(animate) {
            float start = state == ActionDrawableState.ARROW ? 0f : 1.0f;
            final float end = Math.abs(start - 1);
            if(Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
                ValueAnimator offsetAnimator = ValueAnimator.ofFloat(start, end);
                offsetAnimator.setDuration(300);

NikolaDespotoski

import android.content.Context;
import android.content.res.TypedArray;
import android.os.Parcelable;
import android.support.annotation.NonNull;
import android.support.design.widget.CoordinatorLayout;
import android.support.v4.view.WindowInsetsCompat;
import android.text.TextUtils;
import android.util.AttributeSet;
import android.view.MotionEvent;

NikolaDespotoski

/*
 * Copyright 2014 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

NikolaDespotoski

public Observable<DiffUtil.DiffResult> getAllStoreProducts(final List<Product> oldData) {
        return mApi.getAllStores().flatMap(new Func1<List<Store>, Observable<Store>>() {
            @Override
            public Observable<Store> call(List<Store> stores) {
                return Observable.from(stores);
            }
        }).flatMap(new Func1<Store, Observable<List<Product>>>() {
            @Override
            public Observable<List<Product>> call(Store store) {
                return mApi.getStoreProducts(store.getStoreId());

NikolaDespotoski

package com.example.androidthings.myproject;

import android.os.Handler;
import android.os.Looper;

import com.google.android.things.pio.Gpio;
import com.google.android.things.pio.GpioCallback;

import java.io.IOException;

NikolaDespotoski

package samples.despotoski.nikola.com.appbarlayoutsample.view;

import android.annotation.TargetApi;
import android.content.Context;
import android.os.Build;
import android.support.annotation.IntDef;
import android.support.design.widget.AppBarLayout;
import android.support.design.widget.CoordinatorLayout;
import android.support.design.widget.FloatingActionButton;
import android.support.design.widget.Snackbar;

NikolaDespotoski

public class RecyclerViewClickListener implements RecyclerView.OnItemTouchListener {
    private final OnItemClickedListener mListener;
    private final GestureDetector mGestureDetector;

    public RecyclerViewClickListener(Context context, OnItemClickedListener onItemClickListener) {
        mListener = onItemClickListener;
        GestureDetector.OnGestureListener gestureListener = new RecyclerViewGestureListener();
        mGestureDetector = new GestureDetector(context, gestureListener);
    }

NikolaDespotoski

import android.arch.lifecycle.ViewModel;
import android.arch.lifecycle.ViewModelProvider;
import android.arch.lifecycle.ViewModelStore;
import android.arch.lifecycle.ViewModelStores;
import android.support.annotation.MainThread;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentActivity;
import android.util.Log;

import java.lang.reflect.InvocationTargetException;

NikolaDespotoski

public class CameraAvailabilityPreLolipop extends CameraAvailability implements Runnable {
    private final ActivityManager mActivityManager;
    private final Handler mHandler;
    private final PackageManager mPackageManager;
    private final static Intent CAMERA_INTENT = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
    private final List<ResolveInfo> mCameraIntents;
    private OnCameraReleasedListener mListener;

    public CameraAvailabilityPreLolipop(Context context) {
        mActivityManager = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);

NikolaDespotoski

public class CameraAvailabilityLollipop extends CameraAvailability {
    private OnCameraReleasedListener mListener;
    private String mCurrentCamera;

    @TargetApi(Build.VERSION_CODES.LOLLIPOP)
    public CameraAvailabilityLollipop(Context context) {
        final CameraManager cameraManager = (CameraManager) context.getSystemService(Context.CAMERA_SERVICE);
        cameraManager.registerAvailabilityCallback(new CameraManager.AvailabilityCallback() {
            @Override
            public void onCameraAvailable(@NonNull String cameraId) {