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
How to write an Android APP in PythonWriting Android apps using Python is definitely not the best choice, but it must be a very lazy choice and I really don't want to learn Java. Furthermore, as far as programming is concerned, there will already be Python and Golang (Note: Python and Golang are both at the normal level). After a long time,
COCOS2DX's Android Environment build (WINDOWS/MAC)I used the cocos2dx3.15 version of the.The following steps are performed on the Windows platform.Create a Cocos2d-x ProjectUnzip the cocos2dx3.15 compressed package you just downloaded into the folder you specified.Go to directory cocos2d-x-3.15/tools/cocos2d-console/bin/cocos.pyOpen terminal Run cocos.py script Create filePython cocos.py new test-p com.coco2dx.org-l cpp-d ~/desktopParameter descriptio
Problem:
Im trying to implement mapview example which is defined on Android Hello views example but now Im facing failed to find provider info for com. Google. settings error...
Solution:
The mapview example doesn't set API key by default. So you must set it. Here is step by step:
Get MD5 from your system%JAVA_HOME%\bin\keytool.exe -list -alias androiddebugkey -keystore "C:\Documents and Settings\
Get
or sleep state, which is why you should use Alarmmanager or configure attribute stopself () at the end of the service.
8. Other precautions
Check 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 UI 9. Find the layout display problem When we create a UI for th
more perfectly.One thing to be aware of is that Coordinatorlayout does not know the internal workings of Floatingactionbutton or appbarlayout, It simply provides an additional API in the form of Coordinator.behavior, which enables child view to better control touch events and gestures, and to declare dependencies between them, and receive callbacks through Ondependentviewchanged ().You can use Coordinatorlayout.defaultbehavior (your View.Behavior.class) annotation or use app:layout_behavior= in
DesignFollowing the Android Design, the benefits, such as the top navigation bar, Android has its own navigation-actionbar, has its own style, easy to expand, on this basis can achieve a variety of styles, do not blindly imitate the effect of others.After 4.0, Google has its own set of Android design guidelines launche
Google has launched an android material design for more than a year, although the domestic followers are not many, but abroad has been born a lot of material design boutique app. For example, today's introduction of this Castro system information, is a use of material design beautiful application, while the function is not yet practical!
Software
Android 5.0, Code Lollipop, the source finally released on December 3, 2014, a large number of domestic manufacturers follow-up. The biggest change is the default use of ART (Android Runtime), replacing the previous Dalvik virtual machine, presenting the Material Design interface style. Previously released app may need to make some changes, temporarily collected
android2.3, android2.2 and below, the webview In the SDK does not fully support HTML5.The following is an example:Mainactivity. JavaPackage com. Android. webview. activity;Import Android. App. activity;Import Android. OS. Bundle;Import Android. View. keyevent;Import
, which enables child view to better control touch events and gestures, and to declare dependencies between them, and receive callbacks through Ondependentviewchanged ().You can use Coordinatorlayout.defaultbehavior (your View.Behavior.class) annotation or use app:layout_behavior= in the layout " Com.example.app. Your View$behavior property to define the default behavior of the view. The framework makes it possible for arbitrary view and coordinatorlayout to be combined.Note item:Note The above
AES key in the malware , but this requires some technical capability. One months ago, another Android malware reported by researchers could disable a user's phone and ask the user to pay a ransom for it. 8 months ago, a malware called Cryptolocker could permanently lock a PC 's hard drive unless the victim paid 300 USD fee. The app is not listed on the Google
. CompatibilityBecause Android 5.0 and above appear vectordarwable, in order to be compatible with the low version, Google introduced the Support-vector-drawable Compatibility library, but the actual effect is not good. First, the minimum version of the Support-vector-drawable Compatibility library is 23.2.0 and relies on support-v4, and if the SUPPORT-V4 version is too low, the compatibility library cannot
;%logfilename%_traces.log
REM to expand, upload logs to server
: EXIT
ECHO.
ECHO. [INFO] Please press any key to close the window ...
Pause>nul
Note: When you save the bat note for the file format ANSI ha, windows you understand
2), "How to use"
A, save the script: Copy the config.conf, Monkey_findyou.bat content in this article is saved in the same directory
b, modify the configuration: Modify the content in the config.conf for the
Because the H5 page in the mobile side of the compatibility and extensibility of the advantages, but also for the app to be implanted H5 page corresponding flexibility has greatly improved (such as activities, game updates, etc.). App development inevitably needs to be loaded into some H5 pages. But the Android client may have some unpredictable problems with the
and the test environment installation package on the same device, which is very inconvenient for the daily development work and the tester's test work. The whole project can not be copied, and then by modifying the package name of the way to pack out another apk bar. So in this case, the usual practice is to provide an invisible entry in the app for the internal staff to switch the server address, and then restart the
HTML5.
The following is an example:Mainactivity. Java
Package com. Android. webview. activity;Import Android. App. activity;Import Android. OS. Bundle;Import Android. View. keyevent;Import Android. WebKit. webview;Public class
Inter-Program communication is one of the best features of Android programs. When a feature already exists in another app and is not a core feature of the program, there is absolutely no need to re-write it.This section describes some common ways to send and receive content between different programs by using intent APIs and Actionprovider objects.Lessons
Send a simple data to another
() at the end of the service.
8. Other Precautions
Check 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,
: Git clone Https://android.googlesource.com/platform/frameworks/volleyOr: Https://github.com/mcxiaoke/android-volleywhat can volley do?a network communication library published at the Google I/O conference. handle some network requests, such as data parsing, downloading display pictures.• Data processing : The processing of data obtained by a network request. · Image loading: Download and display of Web im
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