when importing Android studio, the first thing to do is to download the Gradle for the corresponding version of the project. However, because of the wall in the country, Android studio will be slow to download the corresponding gradle. We can use thunder and other tools on the Internet, and then put in the specified path, and then restart Android Studio to solve
Sometimes it is very slow to automatically update the android SDK. In this case, you can manually update the SDK.
1. download the file to be updated. Open the https://dl-ssl.google.com/android/repository/repository.xml, and you can find the file you want to download. Add https://dl-ssl.google.com/
1. For some reason, Android official website: http://developer.android.com/sdk/index.html has been blocked, unable to access and download the ADT bundle. The novice who needs to download can use the domestic image to download, Mirror address: http://wear.techbrood.com/index.html 2. because Google is blocked, when updating the Android SDK, may be slow or a small problem, it is important that you
Analyze the recovery process and start with analyzing the upgrade package.The upgrade package can be generated by the make otapackage command, which is generated by makefile and the packaging script (Python.The generation rules are complex, including the signature process, which has no details and focuses on its content.After the upgrade package is decompressed, the structure is as follows:
/home/simba/update_zip|-- boot.img|-- Manifest.xml|-- META-INF| |-- CERT.RSA| |-- CERT.SF| |-- com|
There are two sets of methods to update the view in Android: invalidate and postInvalidate. The former is used in the UI thread itself, the latter is used in non-UI threads.
Android provides the Invalidate method to refresh the interface, but Invalidate cannot be called directly in the thread, because it violates the single-thread model:
Publishers cannot share the electronic version because of copyright issues. I downloaded 2 more clear versions of the PDF from some of my "love" friends who scanned them and shared them with you. http://t.cn/RL18RVo?u=1826440077m=3875729874015740cu=1826440077 BTW, I have always felt that stealing books is not stealing, as long as willing to share. These days, where is the beginning and end of the original knowledge? Due to the 115 network disk limit package download, I will now deeply understan
)); Tabhost.setcurrenttab (0);}}below to build our frame, the new Imageframe.java, Textframe.java, Bothframe.java inside the content basically similar, the following gives an example:Imageframe.javaPackage Com.jov.germany.frame;import Android.annotation.suppresslint;import Android.app.fragment;import Android.os.bundle;import Android.view.layoutinflater;import Android.view.view;import Android.view.ViewGroup; Import COM.JOV.GERMANY.R; @SuppressLint ("Newapi") public class ImageFrame extends fragme
The friendly visual perception and stable and error-free performance come from our pursuit of aesthetics and comprehensive consideration. I have always enjoyed it from a technical point of view.This articleArticleIt is a must-have knowledge for Android Developers. It is not perfect but useful for everyone.
This article is a supplement to the previous "android Learning Series (2) -- download in the notific
( "Bothtab"). Setindicator ("Close Set"). SetContent (R.id.both_tab)); Tabhost.setcurrenttab (0);}}To come down to build our frame, the new Imageframe.java, Textframe.java, Bothframe.java inside the content almost identical, the following to a sample:Imageframe.javaPackage Com.jov.germany.frame;import Android.annotation.suppresslint;import Android.app.fragment;import Android.os.bundle;import Android.view.layoutinflater;import Android.view.view;import Android.view.ViewGroup; Import COM.JOV.GERMA
Last week's Google version of Galaxy S4 (gt-i9505) 's Android 4.3 Jelly bean Brush pack Outflow, also gives us a preliminary understanding of some of the new Android 4.3 features. So what exactly did Android 4.3 update? Here are the new Android 4.3 features we've found.
C
Failed to Fectch URl Https://dl-ssl.google.com/android/repository/addons_list.xml, reason:connection to https:// Dl-ssl.google.com refused
Problem installing using SDK Manager Update Failed to fetch URL https://dl-ssl.google.com/android/repository/repository-6.xml, Reason: Connection to Https://dl-ssl.google.com refused Failed to fetch URL http://dl-ssl.google.c
Android Studio Check for Update, androidstudio
The current version of Android Studio is 1.0.1 and the latest version of Android Studio is 1.1.0. You can use Check for Update... to upgrade it, and the system prompts Connection failed. Please check your network connection and
There are often problems with Android projects that update the UI after a time-consuming operation in a child thread, and then summarize the updated methods for some of the projects that you have experienced:Method One: With handler1, the main thread defined handler:Handler Mhandler = new Handler () {@Overridepublic void Handlemessage (Message msg) {super.handlemessage (msg); switch ( Msg.what) {Case 0://co
In the process of developing Android, we put time-consuming tasks into sub-threading and refreshing during the process of processing time-consuming tasks and UI interactions. Here are two questions I believe most developers will encounter:1. The data often needs to be read and updated, and it is time consuming to refresh the UI in steps.2. After switching the UI interface, how to stop the data that is being read in the child thread without flushing th
Each handler object is associated with the line threads relative that created it, and each handler object can only be associated with one line threads relative.Handler is generally used for two purposes: 1 execution of Scheduled tasks, you can be scheduled to perform certain tasks, you can simulate the timer. 2) communication between threads. When the Android application starts, a main thread is created, and the main thread creates a message queue to
Solution: Under Windows platformIf the Android Studio that is running is 32-bit needed to modify the file:In the startup directory of Andriod Studio. Find studio.exe.vmoptions this file. Add in the back -djava.net.preferipv4stack=true-didea.updates.url=http://dl.google.com/android/studio/patches/updates.xml-didea.patches.url=http://dl.google.com/android/stu
On the Internet to check the next. Android version number update notification bar with progress bar, drunk, basically is copied over. Some of the code is not complete, even the source code download is not. There is also need to download points, not to use, really black heart Ah!! Before I also wrote their own definition of the notification bar Notification, think or write it yourself. Due to the
For more information about appwidgetprovider, see the official documentation.
Recently, due to a problem, we used
The update cycle in Android: updateperiodmillis does not work. First, there are several reasons, which mean that the Android version is problematic. The other one is that it can only be updated once every 30 minutes on the Internet. Otherwise, the se
ObjectiveThere are many more techniques for apk updates, such as: Incremental update, plug-in development, hot fix, RN, silent installation.Here's a quick introduction:What is an incremental update?Incremental updates are the only places where the original app is updated and the rest remains intact.The benefits of this are obvious compared to the fact that each update
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