Android

Android efficiently loads large images to avoid OOM   Images are often loaded in our projects. Sometimes, if there are too many images to be loaded, the program will become very slow. If the OOM is heavy, the App will be suspended. Translate https://

Android gets the height of the status bar (StatusBar) and the navigation bar at the top of the system, androidstatusbar Android devices have two upper and lower bars. We can obtain the bar information. The code for obtaining the height is put below.

19_ B long exposure APP and 19_ B exposure app Basic knowledge ...... I bought a single SLR a few days ago. I especially want to take the effect of a long time exposure for B. Later, I thought it would be better to write an APP to achieve random

Android custom message prompt box similar to QQ When I saw the QQ message prompt box, I felt that the effect was very good. I made a similar display, as shown below: Click to view short videosThe effect is good. The overall result is the combination

Android-annotations getting started Reprinted please indicate the source: http://write.blog.csdn.net/postedit/41577317 Androidannotation is a very awesome framework (https://github.com/excilys/androidannotations/wiki) that can do: Dependency

How does the font size of Android adapt to different resolutions? Someone asked me today how to adapt the font size of mobile phones with different resolutions and sizes in the android system? In fact, the adaptation of fonts and images is a

Implement interception of any Java method in Android App development, androidappDuring Android App development, there are often some Framework layer bugs that cause the App process to crash, such as the crash caused by Cookie synchronization. In

IOS development-iPhone 6/6 Plus adaptation, iosiphone6 It took some time to reorganize the iPhone adaptation, which is summarized as follows: Before iOS6, autosize is generally used for screen adaptation, and the size relationship between the

Android storage location is not in the selected "SD card", androidsdModify the saveImageInBackgroundTask method of GlobalScreenshot. java: String imageDir = Environment. getExternalStoragePublicDirectory (Environment. DIRECTORY_PICTURES).

After the android image is renamed and set as a contact, the system prompts that the image cannot be loaded,Rename an image -- rename the image as a contact icon -- rename it with the same image again -- when you set it as another contact avatar,

Timeline of Android implementation There was a timeline project discussed in the group yesterday. I never touched it. I thought it was very difficult. After the study, I realized that the surface was full of dummies. Using listview, I could achieve

Andorid: Custom ViewPager -- the child ViewPager slides directly to the edge and then directly slides the parent ViewPager In a recent project, we have a requirement to use nested ViewPager in ViewPager to achieve the whole effect. After no

Android Custom button and android custom control Recently, I wrote a custom iPhone-like switch. You can download it if you need it. You can click auto-scroll to modify the speed as needed. Touch scrolling, custom size, and style modification

Android JSON Data Format Parsing, androidjson 1. JSON (JavaScript Object Notation) is a simple data format, which is lighter than xml.Json is constructed in two structures: the last plus a format that is rarely displayed at the end of the article1.

Android: Use of the notification bar I haven't used the Android notification function for a long time. Today I moved out the code two years ago and found that many methods have been discarded, and the various strikethroughs in the Code are quite

Use the decoration mode to view the interface, and the decoration Mode InterfaceDecorator)Intention Decoration ModeDynamically add some additional responsibilities to an object. The Decorator mode is more flexible than the subclass generation

The android implementation is similar to the iphone dialog box style. Continued: it seems that there is a big gap between brother Tao and brother FA for Android Development in Shanghai ke Xuan. I summarized the technology of xiafao and used it for

Android development-custom title bar and Android custom title bar One activity goes on, writing, debugging, and debugging. Later, I realized that the title bar of the activity is ugly and monotonous. To attract users' attention, we need to make some

The multi-thread daemon of android applications makes it hard for you to kill it. 1. Start a service after the android Application is enabled. Public class TestserviceActivity extends Activity {/** Called when the activity is first created .*/ @

Android uses ViewPager to achieve left-side circular sliding and carousel Effect ViewPager is a common android component. However, when we use ViewPager, we cannot achieve infinite circular sliding between left and right. When sliding to the border,