jack_london2的博客

ListView的listSelector属性可以为列表的某个元素被点击时产生按下的效果，但是某些情况下这个listSelector属性的效果会被覆盖，比如列表的Item为一个占满单元格的ImageView的时候，ImageView如果有内容那么listSelector的效果就会被挡住。解决的办法是为ListView添加drawSelectorOnTop属性并设置为true。drawSelectorOnTop的解释：When set to true, the selector will be draw

java读取网络zip中的json文件内容public HashMap readData(String urlStr) throws IOException { URL url = new URL(urlStr); HttpURLConnection conn = (HttpURLConnection) url.openConnection(); //设置超时间为3秒 ...

getFragmentManager() .beginTransaction() .addToBackStack(null) //将当前fragment加入到返回栈中 .replace(R.id.currentfragment, new Fragme...

/**注入js隐藏部分div元素，多个操作用多个js去做才能生效*/private void hideHtmlContent() {//修改文本，可以注入任意的html代码String javascriptq = “javascript:function modifyText() {” +“var headers = document.getElementsByClassName...

@Overridepublic boolean onKeyUp(int keyCode, KeyEvent event) { if (keyCode == KeyEvent.KEYCODE_BACK && webView.canGoBack()) { WebBackForwardList backForwardList = webView.copyBack...

activity_main.xml<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"xmlns:tools="http://schemas.android.com/tools"android:id="@+...