Mobile Develop

For app multiple interface management, if you typically use the activity default load mode, pressing the back key will return the last action, which is a new activity instance. A long time will become a lag, the average person will choose to

A week ago, things were finally down, nothing. Upgrade to the new version, there are 1.5 upgrades to 2.0.After the upgrade is finished installing, the code that would have been able to run well in Android Studio 1.5, after the upgrade, through Clean-

Stm32 bootloader and app authoring considerations1, how to allocate bootloader and app space2. How to get data and write Flash3. How to jump from bootloader to app4, how to set the app interrupt vector5. How to generate Bin file in app6. Process of

In the previous few blogs, I have shared some optimization knowledge from SQLite database, layout, data processing, network and so on. In this blog post, I will review some details on Android performance optimization with a summary.First, we

PackageCom.aliyun.oss.ossdemo;Importandroid.app.Activity;ImportAndroid.app.AlertDialog;ImportAndroid.graphics.Bitmap;ImportAndroid.graphics.BitmapFactory;ImportAndroid.os.Handler;ImportAndroid.os.Looper;ImportAndroid.os.Message;ImportAndroid.util.Log

What is the purpose of finalize ()Five steps to read:We all know the importance of initialization, and often forget the same important cleanup work. There is a garbage collector in Java that is responsible for (GC) reclaiming memory resources

Wpa_supplicant Introduction Wpa_supplicant is used to support various encryption methods in wireless, including WEP, WPA/WPA2, and WAPI (China-specific), EAP (8021x). wpa_s communicates with the upper layer (framework) and the underlying

I. Two types of image classificationBitmaps: Also known as bitmap images or drawing images, are made up of a series of individual dots of pixels. These points can be arranged differently and dyed to form a pattern. When you enlarge a bitmap, it

iOS Simple runtime package Fmdb used to learn iOS for some time, the use of fmdb operation of the database when it feels a lot of repetitive work to do, query the database when the object-oriented feeling is very poor, a query can only be for a

Read an article in a blog post, feeling that the description can also be:In the previous blog, the use of Java to develop Android applications, this blog will introduce Java by using JNI call C language to do developmentTo introduce JNI in a more

06Android learning from zero single row of fragmentThis is the last part of Android Basic learning, after this part of the learning is completed, will not be updated in the "Android learning from zero single row" series blog, in this section after

Some strange features are often found in the project. Not very able to find the source of the code, but the implementation of the function, it is possible that this is useful to run the thing.Runtime is run. It's fun to use. More understanding also

The app you've been thinking about making yourself look good. So add a status bar to your app that can change color. I did not do the downward compatibility ... Only mobile phone version is 4.4 and above the use of mobile phones. Someone on the

In recent years has been doing mobile projects, every time the standard needs to be explained, think or write an article are written down.1, remember the password is not really let you remember the password, here is only a means of automatic login.

Public interface photocallback { voidOnsuccess (String PicturePath);//Take photos successfully voidOnFailure ();//Take photos failed}/** * Get Picture Path * * @param context * @param data * @param Callback * @return * * Public

   I believe that many iOS developers now know that Apple requires that the app we submit to the App Store must support IPV6. 1. Reference to IPV6 related. That this is directly associated with the Internet in our app, some of the content of the

The user interface is not built from a single image. A well-designed icon can be a good representation of the intent of a button or control, but sooner or later you need a nice old-fashioned text label.If you want to display text inside a layer, you

Teach you to take care of Android custom ViewGroup http://www.jianshu.com/p/138b98095778 words 1794 read 7030 comments 8 likes 37 Previous we introduced the knowledge of custom view in Android, and implemented a custom view like the Google Rainbow

Reprint please indicate source: http://blog.csdn.net/kjunchen/article/details/51366845 Dynamic Request PermissionStarting with Android 6.0 (API 23), users are allowed to decide whether to allow permissions while the app is running, rather than

 There are a lot of input devices on the phone, Power key, volume plus minus key, touch screen and so On. The numbers of these devices will vary from one phone to another, so we need to first understand what input devices are on the phone, and