perry14

perry14 / Main.java

Created November 7, 2019 01:15

获取jar包中的class名

	import java.io.IOException;
	import java.util.Enumeration;
	import java.util.jar.JarEntry;
	import java.util.jar.JarFile;

	public class Main {

	public static void main(String[] args) throws IOException {
	// 项目中jar包所在物理路径
	String jarName = "/Users/admin/src/test.jar";

perry14 / OnTouchListener.java

Last active February 14, 2023 12:36

android: move a view on touch move

	View.OnTouchListener touchListener = new View.OnTouchListener() {
	private int lastX = 0;
	private int lastY = 0;
	@Override
	public boolean onTouch(View v, MotionEvent event) {
	switch (event.getAction()) {
	case MotionEvent.ACTION_DOWN: {
	lastX = (int) event.getRawX();
	lastY = (int) event.getRawY();
	break;

perry14 / CheckCameraMicrophone.html

Created February 2, 2019 01:07

Check if the user has a carema and a microphone.

	<!DOCTYPE html>
	<html lang="en" xmlns="http://www.w3.org/1999/xhtml">
	<head>
	<meta charset="UTF-8">
	<title>Check if the user has a carema and a microphone.</title>
	<script>
	window.onload = function () {
	navigator.getMedia = ( navigator.getUserMedia \|\| // use the proper vendor prefix
	navigator.webkitGetUserMedia \|\|
	navigator.mozGetUserMedia \|\|