Mobile Develop

Sometimes, we take a picture or record a video, the library app does not recognize these newly generated files by default so open the library or video player found that the files are not found, you need to call Mediascanner scan to come out. A class

The explanation given by Intel for the example of Exception Path sample application in the sample document is quite clear, but it is still a bit unfamiliar to me as a person who has just had a knowledge of the catenary.Reference their legend: Data

Overview:Android WebView is a special view on the Android platform that can be used to display Web pages, which can be used to display only an online page in your app and to develop a browser. WebView internal implementation is the use of the

First, download adbwirelessAddress: http://sj.zol.com.cn/detail/41/40834.shtmlRoot privileges are required for installation.Transport adbwireless. The interface is simple, just a big button. Click the button to turn it green, indicating that it is

Source: http://www.imooc.com/code/1525Working with arrays in Java requires only four steps:1. Declaring arraysSyntax: ORWhere the array name can be any valid variable name, such as:2. Allocate spaceIn short, it is the maximum number of elements that

For Android, the transfer of complex types, mainly the conversion of their own classes to the underlying byte array, the activity between the data passed through intent implementation. There are two main ways to implement an serializable interface,

public boolean onKeyDown (int keycode, keyevent event) {//two times return exit program if (keycode = = Keyevent.keycode_back) {if (System.curre Nttimemillis ()-Mexittime) > {toast.maketext (this, r.string.toast_twice_press_back_to_exit,toast.length_

Source: http://www.imooc.com/code/1301Logical operators are primarily used for logical operations. The logical operators commonly used in Java are shown in the following table:We can understand logical operators from the perspective of "voting":1,

Android Back Home key monitorBack key monitoringThe back key is easier to listen to, and can be intercepted in multiple systems, such as the following events in the activity: @Override public void onbackpressed () {//super.onbackpressed

There are two ways to implement gesture drawing in Android, one is to draw directly on the view and use Surfaceview. There are some differences between the two, a brief introduction. View: Display view, built-in canvas, provides graphical drawing

This project needs to go to the user's device to jump page, I put the home page in a blank page, let this blank page automatically submit the form, in the background action will invoke the tool class tool class code:package com.util;import 

First Look at iOS,Scheduling timers in Run LoopsA Timer object can be registered on only one run loop at a time, although it can is added to multiple run loop modes Withi n that run loop. There is three ways to create a timer: Use the

According to third-party research data, 77% of Android phone users admit that they have experienced the impact of slow mobile phones, Baidu search "android+ card Slow", there are more than 4.6 million results. In the industry, Android phones have

1, Activity_main.xmlLinearLayoutxmlns:android= "Http://schemas.android.com/apk/res/android"Xmlns:tools= "Http://schemas.android.com/tools"Android:layout_width= "Match_parent"Android:layout_height= "Match_parent"android:orientation=

Onattachedtowindow method for overriding activity@Override Public void Onattachedtowindow () { System.out.println ("Page01-->onattachedtowindow"); This . GetWindow (). SetType (WindowManager.LayoutParams.TYPE_KEYGUARD); Super .

Tween Animation1. When the TV is turned off, there is a white bar in the middle of the TV to close instantly.To achieve this effect is to use the tween animation to achieve.The XML file for the animation is:　　　Android:startoffset= "" Use this

unsigned units=nsmonthcalendarunit| Nsdaycalendarunit| Nsyearcalendarunit| Nsweekdaycalendarunit; Nscalendar *mycal=[[Nscalendar Alloc]initwithcalendaridentifier:nsgregoriancalendar]; NSDate*now=[NSDate Date]; Nsdatecomponents*comp =[mycal

Charging management software Qnovo, a new generation of productsSmart phone charging management software Qnovo: Reduces charging time by 2/3 and battery life by 1 time timesSmartphones are used by everyone, but batteries are a big problem. Use fast,

Environment: set two activity A and b,a transmit data to B by calling Startactivityforresult (), B receives data processed and puts data into intent using Setresult (ResultCode, Inten) returned.phenomenon : When fetching data in Onactivityresult

Original address:Http://www.leiphone.com/news/201408/g8UwvbLLea2GKUT2.htmlAt present, the domestic app developers are facing the promotion dilemma, the promotion of the cost is further improved, (some promotional form of the cost has not changed but