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@martyglaubitz
martyglaubitz / BorderDrawable.java
Last active August 29, 2015 14:02
A drawable which draws borders as background of a view
/* The MIT License (MIT)
Copyright (c) 2014, Marty Glaubitz
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
@alexfu
alexfu / ColorUtils.java
Last active January 30, 2023 00:04
Automatic text color selection using relative luminance.
public class ColorUtils {
private static final double LM_RED_COEFFICIENT = 0.2126;
private static final double LM_GREEN_COEFFICIENT = 0.7152;
private static final double LM_BLUE_COEFFICIENT = 0.0722;
public static int calculateRelativeLuminance(int color) {
int red = (int) (Color.red(color) * LM_RED_COEFFICIENT);
int green = (int) (Color.green(color) * LM_GREEN_COEFFICIENT);
int blue = (int) (Color.blue(color) * LM_BLUE_COEFFICIENT);
return red + green + blue;
@staltz
staltz / introrx.md
Last active May 12, 2025 23:22
The introduction to Reactive Programming you've been missing
@gabrielemariotti
gabrielemariotti / Activity.java
Last active November 27, 2022 09:27
Floating Action Button (requires Android-L preview)
public class MainActivity extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.layoutfab);
//Outline
int size = getResources().getDimensionPixelSize(R.dimen.fab_size);
Outline outline = new Outline();
@dmarcato
dmarcato / strip_play_services.gradle
Last active December 21, 2022 10:10
Gradle task to strip unused packages on Google Play Services library
def toCamelCase(String string) {
String result = ""
string.findAll("[^\\W]+") { String word ->
result += word.capitalize()
}
return result
}
afterEvaluate { project ->
Configuration runtimeConfiguration = project.configurations.getByName('compile')
@gatlingxyz
gatlingxyz / gist:52fb21eb92181716b0ce
Created July 11, 2014 23:49
Unofficial Base WatchFace Activity
import android.app.Activity;
import android.content.Context;
import android.hardware.display.DisplayManager;
import android.os.Bundle;
import android.view.Display;
/**
* A base activity for watch faces that have callbacks for the various screen states (dim, awake, and off)
* as well as a callback for when the watch face is removed.
* <p/>
@makario
makario / NotificationTest.java
Created July 16, 2014 15:09
Displaying custom notifications for Android Wear
package com.makario.wearplay;
import android.app.Activity;
import android.app.Notification;
import android.app.NotificationManager;
import android.app.PendingIntent;
import android.content.Intent;
import android.os.Bundle;
import android.text.Spannable;
import android.text.SpannableString;
@Jogan
Jogan / FloatingActionButton.java
Last active February 6, 2025 22:38
Implementation of Android L's floating action button pattern. API 14+
package your_package;
import android.animation.AnimatorSet;
import android.animation.ObjectAnimator;
import android.app.Activity;
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
@gabrielemariotti
gabrielemariotti / mobile-AndroidManifest.xml
Last active September 15, 2020 11:33
Android Wear: small gist to start an Activity on the mobile handheld from the Android Wear device.
<service android:name=".ListenerServiceFromWear">
<intent-filter>
<action android:name="com.google.android.gms.wearable.BIND_LISTENER" />
</intent-filter>
</service>
@gabrielemariotti
gabrielemariotti / Readme.md
Last active January 1, 2025 22:35
A SimpleSectionedRecyclerViewAdapter: use this class to realize a simple sectioned `RecyclerView.Adapter`.

You can use this class to realize a simple sectioned RecyclerView.Adapter without changing your code.

The RecyclerView should use a LinearLayoutManager. You can use this code also with the TwoWayView with the ListLayoutManager (https://github.com/lucasr/twoway-view)

This is a porting of the class SimpleSectionedListAdapter provided by Google

Screen

Example: