Discover list of all android versions, include the articles, news, trends, analysis and practical advice about list of all android versions on alibabacloud.com
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
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
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
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
code it, and then connect to the real machine to run it. Everything looks so easy! The following figure shows the effect (Figure 1 ECLIPSE, Figure 2 Android Studio ):
It seems that there is no need to record articles. However, if you need to write apps of multiple android versions, you need an SDK Manager and AVD-android
Preset contacts for android GB2/GB3 versions that cannot be edited or deleted1. For versions such as GB2 and GB3, you can select Part one as the preset contact.For example, the definition added at the beginning of the AbstractStartSIMService class is as follows:Public static final int INSERT_NUMBER_COUNT = 4; // defines the number of contacts to be presetPublic s
With the release of the Android system from generation to generation, well-known manufacturers will basically choose the latest operating system to replace the old version. However, data released by Google recently shows that for some reason, currently, millions of users are still using the lower version of Android.Android 1.5, are you still using it?
According to data provided by Google, about 1.2 million of users are currently using the
The general method for devices of different Android versions to correctly obtain the screen resolution when talking about the android screen resolution, we all know, but how to correctly obtain the screen resolution? Does android2.2 \ 2.3 \ 4.0 \ 4.1 use the same method? The answer is no. Things are evolving and changi
[Android] INSTALL_PARSE_FAILED_MANIFEST_MALFORMED error and Not targeting the latest versions warning, androidmanifest. xml
I. error Installation error: INSTALL_PARSE_FAILED_MANIFEST_MALFORMED in the Console
In Android development, if you choose to run it, the Android app starts with ADT.
If the app cannot be used for
the time zone (allows applications to set the system time zone)
Android. Permission. set_wallpaperAllow the program to set wallpaper (allows applications to set the wallpaper)
Android. Permission. set_wallpaper_hintsAllows programs to set wallpaper hits (allows applications to set the wallpaper hints)
Android. Permission. signal_persistent_processesAllow the
Apple Computer obtains the released SHA1 and developed SHA1 and androidsha1 versions of Android Studio.
Recently, I started to switch to Android, preparing to bring my apps on Apple to Android. One of the problems I encountered was the best weather (iOS and mini apps already exist, that's worse than
In versions earlier than android 5.0, ActionBar is not displayed. androidactionbar
I switched from ABS to AppCompat and Material theme (applicable only to API21)My configuration file is as follows:
My activity:Public class AudioRecActivity extends FragmentActivity
Currently, the action bar in my app is not displayed in versions earlier than
, that is, before android3.0, Android:bottomleftradius and Android: Bottomrightradius is the opposite, that is, I was just set to the left, but a diagonal display, because I did not learn, but in the internet for a long time did not find a solution, after knowing the Android loading layout file method, we know this solution , in this record, is in our res set up a directory called DRAWABLE-V12, this file di
the photo height (pixels)
*/
Public Size (int w, int h ){Width = w;Height = h;}
/***
* Compares {@ code obj} to this size.
*
* @ Param obj the object to compare this size.
* @ Return {@ code true} if the width and height of {@ code obj} is
* Same as those of this size. {@ code false} otherwise.
*/
@ Override
Public boolean equals (Object obj ){If (! (Obj instanceof Size )){Return false;}Size s = (Size) obj;Return width = s. width height = s. height;}
@ Override
Public int hashCode (){Return wi
It's really simple, just a few simple.
First update the Android support Library to 22.1 or later
Add a reference to the Suppert V7 package in your project
Add style declarations under the Application tab in Androidmanifest.xml android:theme= "@style/theme.appcompat"(you can also use style files to inherit this style, Modify some of these properties)
Ensure that all activity in your project is
2.3.2-"3.0.1gradle version is 4.1com.android.tools.build:gradle:3.0.x
Android Monitor has been replaced with Android profile;
The new project needs to be configured Android.enableaapt2=false in gradle.properties to compile the pass;
Compile is not recommended, Google recommends the use of new implement and APIs;
API: Exactly the same as the compile directive, no difference, you
I switched from ABS to AppCompat with material theme (for API21 only)My configuration file is as follows:
NBSP;
My activity:public class Audiorecactivity extends fragmentactivityCurrently, the action bar in my app is not shown in the version below Android 5.0 and is displayed as normal in Android 5.0Added: Since I used Android 5.0 Lolli
introduction is probably just the first letter of the judgmentAbout "The second output, ' the same Code branch" is the first two letters or a good questionI am based on reality, is generally family in the same branch to compare the need for each other, presumably should be sentenced to two lettersIt's the top two places that are hard to understand.You can't just enumerate test instructions.#include #include#include#include#include#include#include#include#include#include#include#includeSet>using
Recently I wrote a mini game for android2.2. After I put it on google market, I found that some versions of Android 1.5 and Android 1.6 were downloaded. I put it on the simulator and found that none of them can be started. I checked the website for half a day and finally solved the problem. Write down and keep a record.
1. Modify the response method of the BACK k
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