ksultanq’s gists

koush / MyFragment.java

Created April 13, 2015 04:08

	public class MyFragment {
	boolean loaded;
	private void maybeLoad() {
	if (!loaded && getUserVisibleHint()) {
	loaded = true;
	loadMyData();
	}
	}

	@Override

chrisbanes / SystemUiHelper.java

Last active December 23, 2025 06:55

SystemUiHelper

	/*
	* Copyright (C) 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

romannurik / CharsPerLineActivity.java

Last active December 17, 2021 03:15

Demonstrates how to identify and avoid line-length issues with TextView. The measure, or characters per line, of a block of text plays a key role in how comfortable it is to read (sometimes referred to as readability). A widely accepted optimal range for a text block's measure is between 45 and 75 characters. This code demonstrates two phases of…

	/*
	* Copyright 2013 Google Inc.
	*
	* 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

amlcurran / LoadHideHelper.java

Last active December 19, 2015 20:09

Utility class which makes it easy to hide and show areas of the UI until the data they represent is loaded. Simply initialise with a Fragment or view(s), and call show() to show, and hide() to hide the UI. You can automatically add a ProgressBar* which will show and hide exactly when you need it to, and even supply your own custom animations by …

	/*
	* Copyright (c) 2013 Alex Curran
	*
	* 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

frankiesardo / NetworkButton.java

Last active December 18, 2015 18:18

An Android Button that automatically enables itself when the internet connectivity is on and disables when is off.

	public class NetworkButton extends Button {

	// See Otto's sample application for how BusProvider works. Any mechanism
	// for getting a singleton instance will work.
	Bus bus = BusProvider.get();

	public NetworkButton(Context context, AttributeSet attrs) {
	super(context, attrs);
	}

romannurik / AndroidCreateGhostIcon.java

Created June 14, 2013 06:28

Android ColorMatrixColorFilter example: Creates a 'ghost' bitmap version of the given source drawable (ideally a BitmapDrawable). In the ghost bitmap, the RGB values take on the values from the 'color' argument, while the alpha values are derived from the source's grayscaled RGB values. The effect is that you can see through darker parts of the …

	/**
	* Creates a 'ghost' bitmap version of the given source drawable (ideally a BitmapDrawable).
	* In the ghost bitmap, the RGB values take on the values from the 'color' argument, while
	* the alpha values are derived from the source's grayscaled RGB values. The effect is that
	* you can see through darker parts of the source bitmap, while lighter parts show up as
	* the given color. The 'invert' argument inverts the computation of alpha values, and looks
	* best when the given color is a dark.
	*/
	private Bitmap createGhostIcon(Drawable src, int color, boolean invert) {
	int width = src.getIntrinsicWidth();