Android Dev Guide Series 15: user notification (2) Creation of toast notification
Lazy bones (http://blog.csdn.com/iamlazybone)
Create a toast notification
A toast notification is a message popped up from the current window. It only occupies an area that meets the reality of text information, and the following activity is visible and operable. Information will automatically fade away, and user operations w
When debugging a mobile phoneProgramWhen an error occurs, we can get the error message,
When we use a real machine for Android Application debugging, we cannot obtain the debugging information. The error message is as follows: Unable to open log device '/dev/log/main': no such file or directory.
This is because our mobile phone has not enabled the log record. The following uses Huawei c8812 as an examp
To prevent users or test mm from frantically clicking on a button:Create a tool class Public classTools {Private Static LongLastclicktime; Public Static BooleanIsfastdoubleclick () {LongTime =System.currenttimemillis (); if(Time-lastclicktime ) { return true; } lastclicktime=Time ; return false; }} when using the Public voidOnClick (View v) {if(Tools. Isfastdoubleclick ()) {return; }}Multiple clicks to achieve different functions://Implement a button listener implementation class,
Android App Source Large collectionHttp://neast.cn/forum.php?mod=viewthreadtid=9483fromuid=5Full network of the most comprehensive Android game source summaryHttp://neast.cn/forum.php?mod=viewthreadtid=5080fromuid=5Androidui design of High imitation seriesHttp://neast.cn/forum.php?mod=viewthreadtid=5293fromuid=5The entire network the most complete Android source
Address: http://developer.android.com/guide/topics/fundamentals.html
Overview
The Android operating system is amulti-user Linux system in which each application is a different user. bydefault, the system assigns each application a unique Linux User ID. The systemsets permissionAll the files in an application so that only the user idassigned to that application can access them.
Each process has its own virtualmachine (VM), so an application's codes ru
I upgraded Android Studio to 0.8.1 yesterday, so I cannot execute the App ~
The Run window displays:
Waiting for device.Target device: lge-nexus_4-0262fa6d9d51c2e8
Event Log window display:
NoSuchMethodError: com. android. builder. model. androidArtifact. getOutputs () Ljava/util/Collection;: com. android. builder. model. androidArtifact. getOutputs () Lj
I upgraded Android Studio to 0.8.1 yesterday, so I cannot execute the App ~ The Run window shows Waiting for device. target device: lge-nexus_4-0262fa6d9d51c2e8 Event Log window display: NoSuchMethodError: com. android. builder. model. androidArtifact. getOutputs () Ljava/util/Collection;: com. android. builder. model. androidArtifact. getOutputs () Ljava/util/Co
Today, a very strange problem, a very simple program, is to click the button pop-up a toast, but run on the phone, but did not normally pop toastThe first response is to see if the Show method is called, and it is clear that this is not the low-level problem, in order to determine the scope of the use of another phone run, the result of a normal popup toastSo the problem is basically clear, mobile phone problems!!!After a strenuous effort, found a solution, in the phone's settings--(some phones
Preface: There are many people in life accompany themselves through a journey of a lifetime, but some people just appear at some stage, some people are accompanied by their own for a long time. Just like elementary school, middle school, High school, university, those who once thought will have long time, when experienced the end of the world busy life, or wishful, or frustrated, and gradually those pictures only left memories. Tianya each life, can be together in the effort to cherish it, not t
Java related Setup, class path, Wherejava, different version and pathsJni:Java:mainactivity Call C functionC Funciton Keep a VM reference and method references.JNI function in C would find env from the ref. and call functions from method ref.UI thread, only main thread can manipulate the UI stuff, windows, pop up stuffString Runtime Error,R.java not exist, edited build file, add a sections that calls Aapt to gen strings files accordinglyCompile FB SDK. Not all SDK come with a precompiled jar. Ce
system("pause"); return 0;}//这里int 和return 0;可以省略不写Four: The above code in the execution of a computer will play a docs window to you, you can see a HelloWorld.Five: Since he opened the Docs command line, let's play a few fun#include#include//打开计算器,相当于在运行输入框输入calc system("calc"); //使docs窗口停留 system("pause");}
As soon as the program runs, you'll find that it's amazing that he helped you open the calculator, and you can also open Notepad, artboards, and so on.
Here our HelloWo
1, Introduction--From the wiki interpretation/dev/null:In a Unix-like system, a/dev/null, or empty device, is a special device file that discards everything written to it (but reports a successful write operation) and reads it immediately to get an EOF.In programmer jargon, especially in Unix jargon,/dev/null is called a bit bucket or black hole. Empty devices ar
For details about the/dev/null and/dev/zero files, and solutions for accidental deletion of/dev/null and/dev/zero, and the disk I/O Testing Method Using/dev/zero, disk deletion and recovery by mistake1. Introduction-explanation from Wikipedia/
Detailed description of/dev/null and/dev/zero files, solutions for accidental deletion of/dev/null and/dev/zero, and disk I/O testing using/dev/zero1. Introduction-explanation from Wikipedia/dev/null:
In Unix-like systems,/
1. Please check the information to understand these terms:/dev/hda,/dev/hdb,/DEV/SDA,/dev/sdb, what is the difference between them?A: Hda generally refers to the IDE interface of the hard disk, HDA refers to the first hard disk, HDB refers to the second hard disk, etc.; SDA refers to the SATA interface of the hard disk
1. Serial Port Terminal (/dev/ttysn)The serial port terminal (serial port terminal) is a terminal device connected by a computer serial port. The computer regards each serial port as a character device. For some time, these serial port devices are usually called terminal devices, because at that time they were used to connect terminals. The device names corresponding to these serial ports are/dev/TTS/0 (or/
Tags: description command gadget should--standard standard output dev fileThis article was reprinted from: 11595985By default, there are always three files open, standard input (keyboard input), standard output (output to screen), standard error (also output to screen), and their respective file descriptors are 0,1,2. So let's take a look at the differences between the following redirection methods:>/dev/nu
By default, there are always three files open, standard input (keyboard input), standard output (output to screen), standard error (also output to screen), and their respective file descriptors are 0,1,2. So let's take a look at the differences between the following redirection methods:>/dev/null 2>1In fact, it should be equivalent to this: 1>/dev/null 2>/dev/nul
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