Android learning route (19th) Supports different devices-Supports different (Android) platform versions and android routes
When the latest Android version provides great APIs for your application, you need to continue to support the old system version before more devices are
(Contains version 4.0, 4.5, 4.5.1, does not contain 1.0, 1.1, 2.0, 3.0, 3.5 editions)For the average personMicrosoft. NET Framework 4.5.2 (Offline installation program) (66.8 MB)http://www.microsoft.com/zh-TW/download/details.aspx?id=42642Support NT 6.x, including Windows Vista, 7, R2, 8, 8.1, R2Microsoft. NET Framework 4.5.2 Language Suite (offline installation program)-Chinese (6.4 MB)http://www.microsoft.com/zh-TW/download/details.aspx?id=42641For program developers. NET Framework 4.5.2 Crew
Android 5.0 (including versions earlier than 5.0) obtains the top-stack application package name and android package name.
/**
* Get the package name (available in both versions)
*
* @ Return
*/
Public String getTaskPackname (){
ActivityManager. RunningAppProcessInfo currentInfo = null;
Field field = null;
In
Category: C #, Android, VS2015;Date Created: 2016-02-17 I. INTRODUCTIONBy default, themes that are provided by a higher version cannot be run on a low-version Android system. However, with custom themes, you can adapt your system to their respective versions. The biggest benefit of this approach is that if you just want to adapt your application to different
Android rounded corner View implementation and compatibility with different versions, android rounded corner
When creating our own apps, we need to make our own views rounded to make the apps look better. After all, the mainstream also makes many things rounded, it looks similar to Apple and looks good.
It is easy to make a View into a rounded corner. You only ne
("Bug_when"). text (); when= When.replace (/([^\s]+) \s.*$/g, "$"); vardesc = Comments.eq (key). Find ("TheText"). text (); if(key = = 0 who = =oneinfo.reporter) {oneinfo.detail=desc; return true; } oneInfo.comment.push ({' Who ': Who, ' when ': when, ' desc ': desc}); }) Buglists.push (Oneinfo); }) Msg.done=buglists.length; Process.send (msg); returnbuglists; })}The 200 bug IDs are appended to the POST request data, and the resulting data is the XML format for all bugs, parsing
When the latest Android version provides great APIs for your app, you will continue to support the old system version before more devices are updated. This course how to use the new version of the Advanced API in the case of continued support for the lower version of the system.The Platform Versions Dashboard showcases the distribution of Android system
already in VB)
Dictionary initializer (C # only)
Call await in catch and finally (completed in C #, VB not yet determined)
Exception filter (this feature is already in VB)
Typecase (VB not yet determined)
Part (partial) module (VB only, not for C #)
Partial (partial) interface (already has this attribute in C #)
Multiline string (already has this attribute in C #)
Gets the date expression for the first day of the year (VB only)
Comment for continuation of a line of code (VB on
Infomax reference phone major feature list
Feature
Description
Key Component
Sim slot
Single Sim
ID
TBD
Frequency (MHz)
850/900/1800/1900
FEM, rfmd rf7170
RF
Rda6220e
GPRS/edge
Class-10, type-B, asynchronouse edge
OS
For Android 2.2
LCM
3
Although it has not been a long time since the android development, there have been quite a few versions, and there are 6 major versions from 1.1 to 2.2.For Android 1.1
Release Date: Released on December 1, February 2009
Android1.1 Main Features
Alarm
API example
Browser
Near the Spring Festival, the project is over, are waiting to go home for the new year. The following is a small set to the study of data structure of the relevant knowledge, linked list is often used in a data structure, is the realization of their own display as follows, welcome the great god Enlighten.
First version, no last node, every time from the root node to start traversing
public class Linkedlist
second version, with last node
There is often a need to package different versions of the APK during project development. such as debug version, release version, dev version and so on. Sometimes the different service-side API domain names used in different versions are not the same. Like debug_api.com,release_api.com,dev_api.com and so on.Different versions correspond to different API domain n
Relationship between Android and Linux kernel versions
I. Relationship between Android and Linux Kernel
English name
Chinese name
Android version
Linux Kernel version
No
None
1.1
Cupcake
Paper cup cake
1.5
2.6.27
Donut
Donut
1.6
2.6.29
Eclair
commitDb.endtransaction ();//Processing Completedb.close ()}The fourth kind: sqlitestatement personal prefer this way, the data processing look very clearString sql = "INSERT into table name (corresponding column) VALUES (?)" = db.compilestatement (sql);d b.begintransaction (); for (DataSet) { ///loop the data to be inserted}db.settransactionsuccessful ();d b.endtransaction ();d b.close ();Summary: The above several methods are used in the database of the transaction this thing, SQLite state
Android official Getting Started document [11] support for different platform versionsSupporting Different Platform VersionsSupport for different platform versionsThis lesson teaches1.Specify Minimum and Target API levels2.Check System Version at Runtime3.Use Platform Styles and ThemesYou should also read? Android API Levels? Android Support LibraryThis lesson te
Backwards compatibility is poor in Android, but an app app can be processed or run between versions. Backward compatibility is not good, different versions of the system its API version is different, naturally some interfaces are different, the new platform can not use the old API, the old platform can not use the new API.For the app to be more compatible, we can
Androidsystem from -years to now ( .years4months), the eight-year time version from1.0has risen to6.0, sinceAndroidsystem update speed, resulting in the marketAndroidthe device is runningAndroidThe system version is different (professional terminology is called fragmentation serious) .Year's latestAndroidversion distribution map (up to .years1months), you can know that the current mainstream system is three, but still some version of the system is still in use, as
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.