different android os

Supporting different screenspreviousnext This lesson teaches you Create different layouts Create different bitmaps You shoshould also read Designing for multiple screens Supporting multiple screens Iconography Design Guide The screen size and pixel density of Android devices are

Earlier today, Google released a new generation of Android operating system Android L. I was very surprised by the change in naming rules, before the outside speculation will be called Android5.0, but also give a name for a dessert. Because the Android operating system released so many official versions, has been named after the dessert, now directly with a l, an

Android studio uses gradle to dynamically build apps (different packages, different icons and labels) and androidgradle Recently, I have a requirement to create two apps with similar functions. Most of the Code is the same, but the interface is different. In the past, I had to maintain two sets of code, which is troub

Tips: Small series before doing this step, have determined that the JDK and environment variables have been installed and configured correctly, about how to check the Java environment variables please Baidu.Cause Analysis: The Info.plist configuration file under the Android Studio installation package has a setting for the JVM version number, because the version number is too low to match my jdk1.8.0_31, so we need to change this version number, 1.6.

Android learning route (18) Supports different devices-Supports different screens Android uses two common attributes: size and density to classify the device screens. You need to first predict what screen devices your application will be installed on, including the screen size and density. In this way, you need to prov

How does Android choose different resource under different environment settings, for example, different language settings, different screen orientations, different screen sizes, and so on.Generally, we will add qualifiers after th

It is a good practice to extract strings from the UI in the application code and store them in additional files. Android in each project through a resource directory makes this matter very simple.If you created a project using the Android SDK tool, the tool creates a directory in the top-level directory of your project res/ . In this directory there are many subdirectories for storing multiple types of reso

I have been working with the Android AOSP source code for some time now and spent endless hours searching the internet for Problems that arose on different occasions. Today I decided to note them off, on the one hand it's convenient for me to just look it up on my own blog, on the other Hand you might find some of these notes useful.What I-ran into today is upgrading from

); } Intent chooserintent= Intent.createchooser (targetedshareintents.remove (0), "Select app to share"); if(Chooserintent = =NULL) { return; } //A parcelable[] of Intent or Labeledintent objects as set with//PutExtra (String, parcelable[]) of additional activities to place//a The front of the list of choices, when shown to the user with a//Action_chooser.Chooserintent.putextra (Intent.extra_initial_intents, Targetedshareintents.toarray (New( parcelable[] {})); Try{star

How does Android add a click event to each part of a picture or images?1, If you are not a lot of words can be the entire UI with the GridView and then through the GridView Pointtoposition method to obtain this item2, can be added to the picture in the linerlayout through the coordinates after the judge is that part3, rewrite ImageView http://snowcoal.com/article/520.html4, Android image area click (Image H

Why do Android apps use MulticastSocket to listen for multicast? Why do they connect to different routes and run on different mobile phones? Some of them cannot receive multicast messages. ---------------------------!! Reprinted please indicate the source !! ----------------------- A project that uses Wi-Fi multicast to discover devices in the LAN. However, it is

Original article address:Http://blog.csdn.net/xiaominghimi/archive/2011/02/12/6180606.aspx A question asked by the brothers in the group just now, I will share it with you here: the new emulator is configured as a device simulator with a resolution of 800*480 FOR THE waga800, when we obtain its height and width in our program, we find that it is always 320*533, obviously the system is lying to us! For example: Below is the original official document: Http://androidappdocs.appspot.com/guide/pr

Recently, I was working on a WiFi project to show the signal strength of a hotspot with a picture and whether a password is required. It's like this: A hotspot has four levels of signal strength, requires a password, and does not require two states. To implement this function, you can judge its state, strength, and then setimageresource in the code. But this is more cumbersome. After looking at the source code of the Android Settings WiFi module, we

I believe some of the students have heard of the fire a few days ago a message, is Google to launch a brand-new operating system, named Andromeda, the new operating system integrates Android and Chrome OS, it is said that two hardware manufacturers have been developing based on The Andromeda system is scheduled to be available next year, and Android 8.0 will be i

Really angry, the Code previously written is re-imported today, causing a lot of problems, At first, an error was reported. After half a day, it was a version problem. Then Baidu solved the problem. Http://blog.csdn.net/wang6279026/article/details/8564248 Later, I said that android. OS. networkonmainthreadexception is abnormal. I thought there was a problem with the code I wrote earlier. (I am not very g

Not long ago, when Google launched its new Android system, it did not brag or even dull. Why is that? The reason: Google Play services (Google Play service). Back in September 2012, Google launched a program for Play store. It allows businesses to add new functionality to users of Andorid 2.2 and above without having to completely upgrade the OS. This program is called Google Play Services, which is the foc

Document directory Linux Mac OS X Get Android source code This document describes how to set up your local work environment, how to use repo to get the android files, and how to build the files on your machine. Related reading: For an overview of the entire code-Review and code-update process, see life of a patch. For reference details About Repo, see us

) ' slib_install_links= ' $ (slibname) ' 6, compile FFmpeg Create the file build_android.sh in the ffmpeg-2.5.3 directory. Note that the first three lines are configured correctly in their own path. #!/bin/bash ndk=/usr/local/android-ndk-r10d sysroot= $NDK/platforms/android-15/arch-arm/ TOOLCHAIN= $NDK/toolchains/arm-linux-androideabi-4.9/prebuilt/darwin-x86_64 function Build_one { ./conf

Http://blog.nielsen.com/nielsenwire/online_mobile/iphone-vs-android/ According to the report, in the U.S. smartphone market, RIM ranked first in the market with 35%, Apple iPhone OS ranked second in 28%, and Microsoft Windows Mobile ranked third in 19%, android OS ranks fourth in 9%. RIM's share of Microsoft's

/4153933833_bdd657cde7_o.pngBut in recent years, the mobile phone operating system market has been sharply volatile. The leading rebel is Apple's iphone OS, with the second shockwave coming from Google's Android, and Palm's webOS in the fun, see Figure 6. It was commented that1. Symbian is too old to escape the fate of the twilight.2. iphone Maverick, take the fine line, become a fashion vane.3.