adorazhang’s gists

adorazhang / SwipeDismissBehavior.java

Created September 29, 2018 01:43

This will work for both directions.

	@Override
	public void onViewPositionChanged(View child, int x, int y, int dx, int dy) {
	float startAlphaDistance = mOriginalCapturedViewLeft
	+ child.getWidth() * mAlphaStartSwipeDistance;
	float endAlphaDistance = mOriginalCapturedViewLeft
	+ child.getWidth() * mAlphaEndSwipeDistance;
	float diff = Math.abs(x - startAlphaDistance);
	float totalLength = endAlphaDistance - startAlphaDistance;

	ViewCompat.setAlpha(child, clamp(0f, 1f - diff / totalLength, 1f));

adorazhang / SwipeDismissBehavior.java

Created September 29, 2018 01:39

The original onViewPositionChanged() in SwipeDismissBehavior.

	private final ViewDragHelper.Callback dragCallback =
	new ViewDragHelper.Callback() {

	...

	@Override
	public void onViewPositionChanged(View child, int left, int top, int dx, int dy) {
	final float startAlphaDistance =
	originalCapturedViewLeft + child.getWidth() * alphaStartSwipeDistance;
	final float endAlphaDistance =

adorazhang / YourNotificationListenerService.java

Last active August 16, 2018 00:37

	// The following is pseudo code. If you want actual code:
	// https://android.googlesource.com/platform/frameworks/base/+/master/packages/SystemUI/src/com/android/systemui/statusbar/NotificationData.java

	private RankingMap mRankingMap;
	Ranking mTemporaryRanking = new Ranking();

	@Override
	public void onNotificationRankingUpdate(RankingMap rankingMap) {
	mRankingMap = rankingMap;
	for (StatusBarNotification sbn : mYourNotifications) {

adorazhang / AndroidManifest.xml

Created July 24, 2018 20:22

	<service android:name=".ExampleNotificationListener"
	android:label="@string/notification_service_label"
	android:permission="android.permission.BIND_NOTIFICATION_LISTENER_SERVICE"
	android:directBootAware="true">
	<intent-filter>
	<action android:name="android.service.notification.NotificationListenerService"/>
	</intent-filter>
	</service>

adorazhang / ManagedServices.java

Last active July 24, 2018 20:19

	for (int i = 0; i < nUserIds; ++i) {
	final Set<ComponentName> add = toAdd.get(userIds[i]);
	for (ComponentName component : add) {
	try {
	ServiceInfo info = mPm.getServiceInfo(component,
	PackageManager.MATCH_DIRECT_BOOT_AWARE
	\| PackageManager.MATCH_DIRECT_BOOT_UNAWARE, userIds[i]);
	if (info == null \|\| !mConfig.bindPermission.equals(info.permission)) {
	Slog.w(TAG, "Not binding " + getCaption() + " service " + component
	+ ": it does not require the permission " + mConfig.bindPermission);

adorazhang / 8Queens.java

Created March 16, 2016 22:21

8 Queens Solution for Shijia

	import java.lang.Math;

	public class HelloWorld {
	public static void main(String[] args) {
	Board b = new Board(8, 8);
	b.findSolution(1);
	b.Print();
	}

	}

adorazhang / word-break.cs

Created December 14, 2015 07:07

	public class Solution {
	public bool WordBreak(string s, ISet<string> wordDict) {
	int len = s.Length;
	bool[] canBreak = new bool[len + 1];
	canBreak[0] = true;
	for(int i = 1; i <= len; i++) { // i stands for the length of the substring
	foreach (string word in wordDict) {
	if (i - word.Length < 0) continue;
	if (canBreak[i - word.Length] && word == s.Substring(i - word.Length, word.Length)) {
	canBreak[i] = true;

adorazhang / binary-tree-maximum-path-sum.cs

Created December 7, 2015 08:08

C# Solution to Leetcode Binary Tree Maximum Path Sum Problem

	/**
	* Definition for a binary tree node.
	* public class TreeNode {
	* public int val;
	* public TreeNode left;
	* public TreeNode right;
	* public TreeNode(int x) { val = x; }
	* }
	*/
	public class Solution {

adorazhang / GameOfLifeNoReturn.cs

Last active November 15, 2015 00:35

Conway's Game of Life in C# with a constraint that no functions can have a return value.

	using System;
	using System.Collections.Generic;
	using System.Linq;
	using System.Text;
	using System.Threading.Tasks;

	namespace GameOfLife
	{
	class Program
	{

adorazhang / GameOfLife3D.cs

Created November 14, 2015 23:41

3D Version of Conway's Game of Life Implementation in C#

	using System;
	using System.Collections.Generic;
	using System.Linq;
	using System.Text;
	using System.Threading.Tasks;

	namespace GameOfLife3D
	{
	class Program
	{

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