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odbol / TimePreference.java
Last active May 10, 2021 04:17 — forked from nickaknudson/TimePreference.java
TimePicker DialogPreference for Android - fixed to respect user's 24 hour formatting preferences
package com.xxx.xxx.preference;
package com.odbol.android;
import java.text.DateFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Locale;
import android.content.Context;

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@odbol
odbol / AnimationUtils.java
Last active December 4, 2020 23:50
Various utilities for animation and graphics.
package com.odbol.utils;
/**
* Various utilities for animation and graphics.
*/
public class AnimationUtils {
/**
* Interpolate a value with specified extrema, to a new value between new extrema.
*
@odbol
odbol / Authentication.js
Created February 21, 2020 23:06
Firebase login: the easiest way, with promises
/**
* Handles logging in to Firebase.
*/
class Authentication {
authPromise;
constructor() {
this.authPromise = new Promise((resolve, reject) => {
firebase.auth().onAuthStateChanged(function(user) {
if (user) {
@odbol
odbol / json_lines.js
Created August 27, 2019 04:42
Parse JSON Lines file in the browser with Javascript. http://jsonlines.org/
function parseJsonLines(file) {
let results = [];
for (let i = 0; i < file.length;) {
const end = file.indexOf('\n', i);
if (end < 0) {
end = file.length;
}
const currentLine = file.substring(i, end);
@odbol
odbol / SwipeToDeleteHelper.java
Last active January 7, 2019 00:24
Swipe to delete / dismiss on a RecyclerView using ItemTouchHelper
package com.odbol.android;
import android.content.Context;
import android.content.res.Resources;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.graphics.drawable.Drawable;
import android.support.v7.widget.RecyclerView;
import android.support.v7.widget.helper.ItemTouchHelper;
import android.view.View;
@odbol
odbol / RxBroadcastReceiver.java
Created November 1, 2016 18:00
A class for translating Android's BroadcastReceiver events into an RxJava Observable. Automatically unregisters the BroadcastReciever when you unsubscribe.
package com.odbol.rx;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import rx.Observable;
import rx.Subscriber;
import rx.functions.Action0;
@odbol
odbol / EventBus.java
Last active January 2, 2019 03:22
An event bus for pub/sub to UI related-events. Based on RxJava
package com.odbol.sensorizer.eventbus;
import io.reactivex.Observable;
import io.reactivex.functions.Predicate;
import io.reactivex.subjects.PublishSubject;
import io.reactivex.subjects.ReplaySubject;
import io.reactivex.subjects.Subject;
/***
* An event bus for pub/sub to UI related-events.
/*
* robotNav.js
*
* The green key is located in a slightly more
* complicated room. You'll need to get the robot
* past these obstacles.
*/
function startLevel(map) {
// Hint: you can press R or 5 to "rest" and not move the
@odbol
odbol / gist:11274002
Created April 25, 2014 00:20
Test Updating Firmware on the BCM20732S via HCI UART
/**
BCM20732S HCI UART is connected to Serial RX/TX pins on the Arduino Due.
BCM20732S Reset pin is connected to BLE_RESET_PIN
**/
#include <Arduino.h>
#define BLE_RESET_PIN 31