the uncompressed data in the APK file to be aligned on a 4-byte boundary (4 bytes is a well-performing value) so that the Android system can read the file using the Mmap () function (see the purpose of the function itself) to get higher performance on read resources ,Ps:1. Alignment on a 4-byte boundary means that, in general, the compiler bar 4 bytes are read as a unit, so that the CPU can access the variable efficiently and quickly (not before).2.
installation processes can be found on a dedicated Android development site.you every day / how much time per week is spent programming? It took me almost two months to finish my first app with a sleepless day.At first, it takes about 4 hours a day to see Big Nerd Ranch, and then follow the tutorial exercises. When I really started to write programs, even if it was a small problem, such as storing data, I
home button monitoring, is also a stem inside Android. This seemingly simple function, in fact, is very tortuous, which is very much related to the design of the Android system. When the home button is clicked, a system broadcast will be issued, after the system received this broadcast, will be in the framework layer to do a series of actions to back the current app
SSHDroid is used to set up an ssh server on an android mobile phone. This small application has two versions: one free version and one pro version. The difference is whether there is advertisement.
After the application Adfree android is installed, SSHDroid will not work, saying that the ad is blocked, and then you can only choose to "quit" or "Buy a paid version ".
This makes me somewhat uncomfortable.
I
Customize a pretty practical lock screen app, if you can win the user's approval, replace the system with the lock screen, is definitely a small day live entrance. This time is just a summary of the difficulties in the recent research on the Android platform's lock-screen app development.
First, the preface
The general principle of the lock screen is very simpl
Android lbs app: Spring Festival at home bored yesterday busy for a day, finally no teacher self-study, developed my first AndroidProgram
If you have an Android phone, you can install it and run the test. Thank you!
:
Http://pan.baidu.com/share/link? Consumer id = 354701 UK = 201606611
Improved in the afternoon: the interface is more beautiful and the prog
Vamei Source: Http://www.cnblogs.com/vamei Welcome reprint, Please also keep this statement. Thank you!To undertake the "Java Quick Tutorial", I will start writing Android related articles.The Java language is used primarily for Android development. The Java Language Foundation is the first threshold for Android development. Furthermore, a good
Build the environmental process:1. Install the JDK.See http://www.cnblogs.com/Li-Cheng/p/4334985.html.Note: Essentially download the JDK installation package to the URL and add an environment variable after installation:Java_home, the value is: C:\Program files\java\jdk1.8.0_73 (because the installation path is different, copy from the path), and then add one in the PATH variable:%java_home%\bin;Be sure to remember that all the paths you add in path are separated, otherwise it may affect the sys
Document directory
Prepare the development environment
Create a Mono for Android Application
Summary
My first Mono for Android app
Mono for Android: Learn how to use Mono for Anrdoid to create an android app, how to use Inten
New Android attack: Google Voice Search attack
Researchers from the Chinese Emy of Hong Kong published a paper (PDF) on the website, introducing a novel method of Permission Bypass attack: Google Voice Search attack. Attackers can use VoicEmployer, a zero-Permission Android app
I am guilty. I spent an afternoon and finally learned from myself without a teacher. I used C # To develop my first Android browser app. I am sorry for the Java Community (with the development process)
Development Process:
Install vs2010, Android SDK, and AVD (Android) Simulator
When debugging, open the ADV (
(4 bytes is a well-performing value) so that the Android system can read the file using the Mmap () function (see the purpose of the function itself) to get higher performance on read resources ,Ps:1. Alignment on a 4-byte boundary means that, in general, the compiler bar 4 bytes are read as a unit, so that the CPU can access the variable efficiently and quickly (not before).2. The root cause of alignment: The Davlik virtual machine in the
statistics" to Google's inquiry box, select and click "Proceed"3. In the main configuration panel, modify "SDK location" as the SDK path "D:\ANDROID-SDK" in step two. Click "Apply" > "OK" step four. Add platform version and Component SDK main body is divided into Android platform versions, add-ons, tools, samples,and documentation and other parts. The SDK downloaded in step two is just the latest SDK tools
precautionsCheck the status and network status of the battery before making the overall update, and wait for the best state for a large-scale reload operation;Let the user see electricity situation, such as update cycle, background operation;Implementing a low memory footprint UI9. Find the layout display problemWhen we create a UI for the layout alone, we create an app that abuses memory, and it has a nasty delay in the UI. To achieve a smooth, low-
status and network status of the battery before making the overall update, and wait for the best state for a large-scale reload operation;Let the user see electricity situation, such as update cycle, background operation;Implementing a low memory footprint UI9. Find the layout display problemWhen we create a UI for the layout alone, we create an app that abuses memory, and it has a nasty delay in the UI. To achieve a smooth, low-footprint UI, the fir
Unity output set up with KeyStore* Note: Proper retention of keystore is due to the later release of the update.Output resolution choice (Resolution)Currently, this version is suitable for any 800x480 resolution's Android design and will launch different versions of 1280x800 and 1024x600.Unity >player Settings >publishing SettingsSelect Create New KeystoreThen select the KeyStore storage locationHit your keystore name and press save.When you're done,
status and network status of the battery before making the overall update, and wait for the best state for a large-scale reload operation;Let the user see electricity situation, such as update cycle, background operation;Implementing a low memory footprint UI9. Find the layout display problemWhen we create a UI for the layout alone, we create an app that abuses memory, and it has a nasty delay in the UI. To achieve a smooth, low-footprint UI, the fir
does run correctly, but the AVD assigned to the Android Simulator network is a NAT network, that is, The IP that runs inside the Android simulator is the re-assigned virtual IP, And if we use 127.0.0.1来 attach is not able to access the emulator internal port, then there is only one way, using the redir instruction to redirect, the simulator assigned to the Android
uncompressed data in the APK file on the 4-byte boundary (4 bytes are a good value), so that the Android system can use MMAP () (please check the purpose of this function) function reading files can achieve high performance in reading resources,PS: 1. alignment on the boundary of four bytes means that, in general, it refers to the result that the compiler reads four bytes as a unit. In this case, the CPU can perform efficient and fast access to varia
using zipalign.exe (in the android-sdk-windows \ tools directory) to optimize it:Copy codeAs shown above, zipalign can align uncompressed data in the apk file on the 4-byte boundary (4 bytes are a good value), so that the android system can use mmap () (please check the purpose of this function) function reading files can achieve high performance in reading resources,PS: 1. alignment on the boundary of fou
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