Android

Generation and treatment of 1.1 VSync In the previous section Projectbutter we learned about the new features in the Android 4.1 display system, one of which is to join the VSync synchronization. From the theoretical point of view, we analyze the

The example in this article describes how Android implements the stop service from activity. Share to everyone for your reference, specific as follows: 1. Registered service in Androidmanifest.xml 2. Call in activity

Copy Code code as follows: Because JS level is limited, do not like to spray, all when nothing to see, video is the new control in HTML5, we can see

Well, I've thought about not moving Android in the future, but I didn't think it was the reason for the game. Many of the problems with Android are due to eclipse's imperfections, such as the one encountered today unable to execute Dex:multiple Dex

We talked about the common functions related to fragment, since fragment is called "small activity", now let's talk about how fragment communicates with Acitivity. If you do not know the last article, you can look again. Transmission door. Fragment

TextView, and modeled after the source code, mainly to cancel the focus and select the judge, also do not rely on the width of the text. Import java.lang.ref.WeakReference; Import Android.content.Context; Import Android.graphics.Canvas; Import

Android Program Debugging Tools Google provides us with the highlights of the Code Debugging tools: TraceView and Dmtracedump. With these two tools, we are very handy when we debug the bugs. TraceView helps us analyze program performance,

Error code: 12-12 14:28:34.692:e/androidruntime (1524): Java.lang.RuntimeException:startPreview failed 12-12 Androidruntime (1524): At Android.hardware.Camera.startPreview (Native method) 12-12 14:28:34.692:e/androidruntime ( 1524): at

I. Preparation 1. What is Mat A memory analysis tool provided by Eclipse. It is a feature-rich JAVA heap dump file analysis tool that can help you discover memory vulnerabilities and reduce memory consumption. Android Studio does not integrate

1. Background The Android NDK can be used to compile the native method of Android, and C and C + + code can be compiled into the. so file, allowing the Android program to run. 2.NDK installation (Linux environment) (1) Download the corresponding

Android api:http://developer.android.com/reference/android/content/intent.html Contactpicker: A user can select a contact. 1. Create Contactpicker activities (activity) Location: java->package-> Contactpicker.java Package

The virtual machine used before android5.0 is the Dalvik virtual machine, which is optimized on the basis of the JVM. After android5.0, Android adopted a new virtual machine art, this article mainly compares the Dalvik, the JVM, the art. A. Dalvik

When you load more pictures in an Android program, you may get out of memory and cause the program to crash. This is partly because the Android system itself has limited memory size for each individual process (there are 16m,64m,128m,256m and so on),

No software system is absolutely secure, and overall, the risks in Android can be summed up in five categories. Take precautions against each of these risks according to the following recommendations. The first type of risk is misuse of application

As one of the most beloved third Fangan of the brush player, CyanogenMod has always been known for its fast upgrade and wide support equipment. CM11 nightly test version just released, more stable M3 snapshot again. According to CM's published

By default, the Onconfigurationchanged event triggers when the screen changes from a vertical to a horizontal screen, which by default reloads the screen and displays the same screen as the horizontal screen, which can have 2 problems. * Layout

All along, the debate over Apple iOS and Google Android has never been interrupted, representing not only the world's two most advanced and popular mobile platforms, but also the taste and style of Apple and Google's two technology giants. So, when

So far, presumably everyone is already familiar with the use of toast to display information to users. Although it is convenient to use toast, the notifications displayed by toast are not stored permanently. It only appears for a short time on the

I remember writing an article about the Android sliding menu a long time ago, in which a friend left a message in the comments, hoping I could help him change the sliding menu to a two-way slide. At that time did not want to spend too much time, a

Setting dashboard click to jump to the process, settingdashboardYou can modify the dashboard_categaries.xml file in the xml file. in the rebuildUI () method of the java file, convert the object class corresponding to xml to the corresponding view.