EmmanuelGuther

import React from 'react'
import { Text } from 'react-native'
import FlatList from 'react-native/Libraries/Lists/FlatList'
import dataList from './dataList'

export default class ListViewToFlatList extends React.Component {

  renderItem ({ item, index }) {
    return <Text>{item}</Text>
  }

EmmanuelGuther

mkdir -p node_modules/react-native/Libraries/Lists/ && \
for file in 'FlatList' 'MetroListView' 'SectionList' 'VirtualizedList' 'VirtualizedSectionList' 'ViewabilityHelper' 'VirtualizeUtils'; \
  do curl https://raw.githubusercontent.com/facebook/react-native/master/Libraries/Lists/${file}.js > node_modules/react-native/Libraries/Lists/${file}.js; \
  done

EmmanuelGuther

mkdir -p node_modules/react-native/Libraries/Lists/ && \
for file in 'FlatList' 'MetroListView' 'SectionList' 'VirtualizedList' 'VirtualizedSectionList' 'ViewabilityHelper' 'VirtualizeUtils'; \
  do curl https://raw.githubusercontent.com/facebook/react-native/master/Libraries/Lists/${file}.js > node_modules/react-native/Libraries/Lists/${file}.js; \
  done

EmmanuelGuther

/*These functions are for to generate points uniformly, randomly, and independently
within a circle of radius r around a location (x0, y0),
*/
function latAndlonGenerator (radius) {
const RADIUS_IN_METERS = 70000
  let r = RADIUS_IN_METERS / 111300,  // Convert meters in degrees (111,300 meters = a degree.)
    y0 = 40.416775,                  // Central point where to generate more coordinates, inside a circle
    x0 = -3.70379,                  // In this case, Madrid.
    u = Math.random(),
    v = Math.random(),

EmmanuelGuther

 private void goToActivity(View view, Activity fromActivity,
                              final Class<? extends Activity> toActivity) {
        Intent i = new Intent(fromActivity, toActivity);
        Bundle bundle;
        if (Build.VERSION.SDK_INT >= 23) {
            bundle = ActivityOptions.makeClipRevealAnimation(view, 0, 0, view.getWidth(),
                    view.getHeight()).toBundle();
        } else {
            bundle = ActivityOptions.makeScaleUpAnimation(view, 0, 0, view.getWidth(),
                    view.getHeight()).toBundle();

EmmanuelGuther

import android.content.Context;
import android.os.Build;
import android.view.View;
import android.view.animation.AnimationUtils;

public class SimpleViewAnimation {
    public static final int SLOW_ANIM = 1900;
    public static final int FAST_ANIM = 800;
    public static final int DELAY_ANIM_DEFAULT = 500;

EmmanuelGuther

//Use like: vPager.setPageTransformer(true, ParallaxPageTransformer)

class ParallaxPageTransformer : ViewPager.PageTransformer {

    override fun transformPage(view: View, position: Float) {
        val pageWidth = view.width
        when {
            position < -1 -> view.alpha = 1f
            position <= 1 -> dummyImageView.setTranslationX(-position * (pageWidth / 2)) //Half the normal speed
            else -> view.alpha = 1f

EmmanuelGuther

        Instrumentation.ActivityMonitor activityBackMonitor = getInstrumentation().addMonitor(StationsActivity.class.getName(), null, false);

//CHECK IF ACTIVITY IS LAUNCHED
        StationDetailActivity nextActivity = (StationDetailActivity) getInstrumentation().waitForMonitorWithTimeout(activityMonitor, 5000);
        // next activity is opened and captured.
        assertNotNull(nextActivity);
        try {
            Thread.sleep(2000);
        } catch (InterruptedException e) {

EmmanuelGuther

fun animationAppBarDown(appBar: AppBarLayout) {
            object : CountDownTimer(300, 1) {
                override fun onTick(millisUntilFinished: Long) {
                    appBar.translationY = (-appBar.height).toFloat()
                }

                override fun onFinish() {
                    appBar.animate()
                            .translationY(0f)
                            .setDuration(500).start()

EmmanuelGuther

buildscript {
    repositories {
        mavenCentral()
        maven {
            url 'https://oss.sonatype.org/content/repositories/snapshots/'
        }
    }
    dependencies {
        classpath 'com.android.tools.build:gradle:0.9.+'
        classpath 'com.squareup.gradle:gradle-android-test-plugin:0.9.1-SNAPSHOT'