johnkil’s gists

johnkil / SystemSharedLibraryUtils.java

Last active December 10, 2015 13:49

Check if specify system shared library is installed.

	/**
	* Check if specify system shared library is installed.
	*
	* @param ctx {@link Context} instance
	* @param libraryName System shared library name (ex. Google Maps library name "com.google.android.maps")
	* @return true if system shared library is installed, else false
	*/
	public static boolean hasSystemSharedLibraryInstalled(Context ctx, String libraryName) {
	boolean hasLibraryInstalled = false;
	if (!TextUtils.isEmpty(libraryName)) {

johnkil / ShakeDetector.java

Created March 7, 2013 07:42 — forked from alecplumb/ShakeDetector.java

	import roboguice.activity.event.OnPauseEvent;
	import roboguice.activity.event.OnResumeEvent;
	import roboguice.event.EventManager;
	import roboguice.event.Observes;
	import android.hardware.Sensor;
	import android.hardware.SensorEvent;
	import android.hardware.SensorEventListener;
	import android.hardware.SensorManager;

	import com.google.inject.Inject;

johnkil / DbUtils.java

Last active August 5, 2025 08:11

Utilities to work with SQLite database (based on http://udinic.wordpress.com/2012/05/09/sqlite-drop-column-support).

	import java.util.Arrays;
	import java.util.LinkedList;
	import java.util.List;

	import android.database.Cursor;
	import android.database.SQLException;
	import android.database.sqlite.SQLiteDatabase;
	import android.text.TextUtils;

	/**

johnkil / GsonRequest.java

Created September 1, 2013 13:51 — forked from ficusk/GsonRequest.java

	import com.google.gson.Gson;
	import com.google.gson.JsonSyntaxException;

	import com.android.volley.AuthFailureError;
	import com.android.volley.NetworkResponse;
	import com.android.volley.ParseError;
	import com.android.volley.Request;
	import com.android.volley.Response;
	import com.android.volley.Response.ErrorListener;
	import com.android.volley.Response.Listener;

johnkil / LruBitmapCache.java

Created September 1, 2013 18:52 — forked from ficusk/LruBitmapCache.java

	package your.awesome.app;

	import android.graphics.Bitmap;
	import android.support.v4.util.LruCache;
	import com.android.volley.toolbox.ImageLoader.ImageCache;

	public class LruBitmapCache extends LruCache<String, Bitmap> implements ImageCache {

	public LruBitmapCache(int maxSize) {
	super(maxSize);

johnkil / OkHttpStack.java

Created November 3, 2013 10:33 — forked from JakeWharton/OkHttpStack.java

	import com.android.volley.toolbox.HurlStack;
	import com.squareup.okhttp.OkHttpClient;
	import java.io.IOException;
	import java.net.HttpURLConnection;
	import java.net.URL;

	/**
	* An {@link com.android.volley.toolbox.HttpStack HttpStack} implementation which
	* uses OkHttp as its transport.
	*/

johnkil / list_selector.xml

Last active January 4, 2016 00:19

Android 4.4 KitKat list selector

	<?xml version="1.0" encoding="utf-8"?>

	<selector xmlns:android="http://schemas.android.com/apk/res/android">

	<item android:state_pressed="true">
	<shape>
	<solid android:color="#1A000000"/>
	</shape>
	</item>
	<item android:state_focused="true">

johnkil / ScaleImageView.java

Created January 21, 2014 14:48

This view will auto determine the width or height by determining if the height or width is set and scale the other dimension depending on the images dimension.

	import android.content.Context;
	import android.content.res.TypedArray;
	import android.graphics.Bitmap;
	import android.graphics.drawable.Drawable;
	import android.util.AttributeSet;
	import android.util.Log;
	import android.view.View.MeasureSpec;
	import android.widget.ImageView;
	import android.widget.ImageView.ScaleType;
	import android.widget.RelativeLayout;

johnkil / resizer-xxhdpi.sh

Created February 3, 2014 08:34 — forked from ignasi/resizer-xxhdpi.sh

Android XXHDPI Resizer (Tested on OS X Mavericks)

	#!/bin/bash

	f=$(pwd)

	mkdir drawable-mdpi drawable-hdpi drawable-xhdpi drawable-xxhdpi

	# fake argv and argc in bash
	argc=$#; argv[0]=$0 # argv[0] is a prog name
	for foo in $( seq $argc )
	do

johnkil / SwipeRefreshActivity.java

Created April 9, 2014 06:10 — forked from antoniolg/SwipeRefreshActivity.java

	/*
	* Copyright (C) 2014 Antonio Leiva Gordillo.
	*
	* 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

Evgenii Shishkin johnkil