Android

Simulator cannot be enabled in Android Development Error message: Invalid command-line parameter: files \ Android-SDK \ tools/emulator-arm.exe. hint: Use '@ foo' to launch a virtual device named 'foo '. please use-help for more information

1Add to the shortcut cut option /*** Add to the shortcut option (by default, the desktop is long and pressed for calling out) ** at the same time, you need to provide a function for the activity in manifest that contains * Action = "android.

LGame-0.3.1-Update 2011-07-03: (Contains the source code, jar, and nine different types of game examples ):Http://loon-simple.googlecode.com/files/LGame-0.3.1.7z 1. Since version 0.3.1, Image Rendering in javase and Android versions has been

At noon on Saturday, I still came to the company and didn't intend to come. Now, let's solve some of the problems left over from the last time, let's sum up the pwm LCD Backlight for Android. The backlight of Android is controlled by PWM wave.

Packagemanagerservice is one of the Android system services. It provides the parsing, installation, update, mobile, and uninstallation functions of application packages. The system class diagram is as follows: Packagemanagerservice implements

The surfaceflinger Service is responsible for drawing the UI of the Android Application. Its implementation is quite complex. It is not easy to analyze its implementation from the front. Since we cannot analyze the data from the front, we can try to

Reference: http://mindtherobot.com/blog/624/android-audio-play-an-mp3-file-on-an-audiotrack/ Http://baike.baidu.com/view/14471.htm We recommend that you download a ringtone file (smaller) and then convert it to WAV. The source code is as

The program requires user operations, which must be within 200 ms (0.2 s). If no response is received within 5 seconds, activitymanager will kill the activity without prompting. However, the activity may really take time to process, which usually

When webview opens HTML files with frameset tags, they are often not displayed completely. Only the last page is displayed. You can simply set it. Overwrite shouldoverrideurlloading and return false; Mwebview. setwebviewclient (New webviewclient ()

SQLite is suitable for the data storage of mobile devices, which has the advantages of fast processing speed, less resource occupation, no need to install and deploy, embedded into the program as a part of it. http://www.sqlite.org/ The SQLite

Ah, I am leaving. I encountered this problem during development today. Everything is okay. How can I get a null pointer exception? The logic is absolutely no problem. I use simplecursoradapter. First, I cannot obtain the data of holder given by

Good learning. From: http://blog.csdn.net/yili_xie/archive/2009/11/12/4803527.aspx Android display system --- surface flinger Surfaceflinger is a part of Android multimedia. In Android implementation, surfaceflinger is a service that provides the

Android 3.0 Platform highlights Welcome to Android 3.0! The android 3.0 platform introduces released new and exciting features for users and developers. this document provides a glimpse of some of the new features and technologies, as delivered in

The Android platform provides two types of animations. One is tween animation, which is used to continuously change the images of objects in the scene to produce the animation effect (rotation, translation, contraction, and gradient ). The second

Today, I wrote a method to handle the ondoubletap event. Double-click the program to zoom in and out the screen event, double-click the screen image to zoom in, and then double-click the screen image to zoom in to the original effect. See the

Android provides the gesturedetector class to process some commonly used gesture operations, such as onlongpress and onfling. However, gesturedetector is not used here, but is directly processed in the ontouchevent of the custom view rewriting. To

(1) What is Binder With the development of the Android mobile device platform system, more and more people are paying attention to the Binder Mechanism. What is Binder? In general, binder is a lightweight IPC component framework, and binder is a

In the previous article "android4.0 ICS systemui analysis-systemui Startup Process and the composition of systemui. This article mainly analyzes the statusbar structure. 1. layout Overview First, we can use the hierarchyviewer tool to view the

Android2.3 adding GIF support to gallery3d-Overview (1) For how gallery3d displays an image, see this user's gallery3d note. Welcome to reprint, please be sure to indicate the source: http://blog.csdn.net/yihongyuelan In gallery3d, the image display

Android has four components: Activity, broadcast explorer, service, and content providers; Today, I will introduce the service first. The service function is similar to the activity (this will be described in detail in subsequent articles). The