Objective:
File storage is pretty familiar to us in the process of doing app development, but since the Android 6.0 release, access to external sdcard based on runtime permissions is required to dynamically request permissions, So the previous direct SDcard root directory directly created a xxx/cache/directory to do file storage is not so easy to control, so it is necessary to rethink the knowledge of the Android
After the Apple WWDC conference, the famous Android forum Droid-life released an article comparing iOS 7 with the Android4.2 operating system, and the author, an Android fan, said Google had been too lazy to mock rivals at the press conference, and Apple was still "like a child" The irony of Google, still, the article commented that, in general, with iOS 7, Apple is finally starting to catch up with the lat
What is the function of Android beam?
The Android beam is a new feature based on near-field communications that can share the functionality you're using for other phones. After Android upgrades to 4.1, Android Beam can now share photos and videos between two NFC-enabled Android
Android performance optimization is mainly divided into two points
1, layout optimization
2, memory optimization
Layout optimization
First look at the layout optimization, the system in the rendering UI will consume a lot of resources, so, the layout of the optimization is particularly important
Avoid overdraw
Which is to avoid excessive rendering, excessive rendering will waste more resources, for example, the
The development of Android using the Android-query framework can be fast, much less than the traditional development of Android code to write a lot of, easy to read and other advantages.
Download the document and its example and package address: http://code.google.com/p/android-query/
Here are some of the lessons I l
This article is an example of the Android Open-source approach to customizing the Android shutdown interface. Share to everyone for your reference. Specifically as follows:
In the Android system, a long press power key by default will eject the dialog box to allow you to choose "Flight Mode", "mute", "shutdown" and other functions. As shown in the following illu
Tell me what I'm trying to do before I finish this example.
First, modify the "Actionbarsherlock" navigation example. Before I implemented this example, I tried "actionbarsherlock" to modify one of its tab navigation examples, and the modification was successful. But finally found that it is not a actionbar implementation of the tab, can not hide Actionbar, when the Actionbar hide method is invoked, Actionbar is hidden, but the title of the tab page still exists, And in the lower version of
Android Phone Daemon can't close workaround
The problem with Android's back-end is entirely due to the Android broadcast system. In simple terms, when a user installs a program, the system will record the function of the program like the interviewer, when the user is using the mobile phone, the system state changes will produce various events, these events need some program to process, the system will send
[Android Wear] android wearable device Moto 360 evaluation and development analysis, Android androidPreface:
I just bought Moto 360 yesterday. This is the best Android wearable device that the landlord has seen so far, a round watch:
BesBuy and the official website are all sold out .. This is what I heard from the auth
Now there's an Android project A. We wanted to extend the functionality of a, but didn't want to develop on a basis, so we created another Android project B and wanted to refer to a in B.
One idea is to make engineering a a pure jar bag so that other projects can be referenced directly.
However, if you use a reference in R.java in Project A, you cannot make a jar package. The reason is that R.java are gen
Everyone android is a good mobile phone application software, we use the time to find his home page layout is nine mode, people feel very chic, because now a lot of Android software rarely use this layout mode, everyone Android use is very successful, Make people feel simple and generous and beautiful, let's look at the layout of
Objective
Since most of the Android beginner's tutorial doesn't teach you how to choose time, beginners encounter this kind of inevitable will be a bit overwhelmed, should let the user enter the date time? Not to say that the user experience is not good, processing users to enter a variety of date format will also take a great deal of effort, below to see how to achieve the Android selection time function.
Android Studio is a Google Android development environment, similar to eclipse development and debugging, is a tool development software. Android Studio 1.0 has recently been released. For more information, view the page.
Install using the PPA, very convenient, open the terminal, enter the following command:
sudo add-apt-repository ppa:paolorotolo/
The generated Android application APK file is best optimized because the essence of the APK package is a zip-compressed document that optimizes the orderly arrangement of uncompressed data in the package, reducing the memory consumption at the time the application runs. We can use the Zipalign tool for APK optimization.
Zipalign is an important tool for optimizing APK applications, according to the Android
(Switch) Android system comes with Activity style (@ android: style/), android @ android
Configure in the activity of the AndroidManifest. xml file
1. android: theme = "@ android: style/Theme"
The default status is theme.
2.
[1] Android learning notes [the first android program], Android android
1. java JDK configure java System Variables
Java JDK
Please install it on Baidu
Configure java System Variables
1. Open my computer -- properties -- Advanced -- Environment Variables
2. Create System variables JAVA_HOME and CLASSPATH
Variable name
Android-the first Android program, android-android
Directory structure and functions of Android Projects
Directory
Function
Gen
Do not modify automatically generated files
Assets
Resources needed for custom projects, which canno
Android [android] edition Air Video remote playback of computer videos, Android android
In Apple's iOS, there is an application of Air Video, which can remotely play videos in the computer on iOS through Wifi without copying the Video to the mobile phone. Very easy to use! I recently used my
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