Android

Now, to create an application, you need to push the notification to the client. I thought of using c2dm. However, the test was not very reliable and the efficiency was not high. But the occasional opportunity to find this site:

Cannot be cast to Android. widget. headerviewlistadapter This exception usually occurs when header or footerview is set with listview. If you didn't happen, it would happen. But you may not know the reason. If the header or tail view is added

Recently, I was looking at the source code in frameworks. I wanted to change it to see the effect. I didn't expect the simulator to run after the change. First, we declare that I have successfully pushed Android 4.0.3 plugin and launcher. odex. Now

The following lists the software in the mobile phone through the PM list packages-F, and then compares it with the software in the simulator to obtain a list that can be safely uninstalled. Note: Google market is unavailable after uninstallation,

Sensor local encapsulation class sensordevice Sensordevice is the abstract type encapsulation of the sensorservice to the sensor device in local code. It encapsulates the hardware operations of the sensor hardware, which inherits the singleton class,

Today, users report that applications always crash.Symptom: After mainactivity, any second-level Interface related to the main process will cause the application to crash (Note: It is not caused by a crash, but a crash)Analysis: 1. Check the log and

  Reprinted please indicate the source:Http://blog.csdn.net/qinjuning   For the use of packagemanager and activitymanager, I have also written some demos. Basically, the lines I have written refer to If you are really interested in the application,

This article from http://blog.csdn.net/hellogv/, reference must indicate the source! More and more mobile phones are equipped with auto-focus shooting functions, which also means these mobile phones can have bar code scanning functions .......The

Android mobile phone's search function is a bit incomplete, which always makes us laugh. Press the search key on the homepage to search for the Internet.Instead of your phone. Fortunately, Google seems to have learned that the function of searching

The following questions are summarized on the Internet. Thank you for sharing them! Hope that we can make progress together and find the company we dream: 1. Whether the process of Android DVM is the same concept as that of Linux: A: DVM is a

Hello, everyone. Today is New Year's Day. Wish you a happy holiday! Today we will share with you the UI framework of apad Qzone. The interaction diagram is as follows: Figure 1: interaction. It can be seen that the UI framework of the entire

Hello everyone, I believe there must be a lot of listview controls for everyone. They are slide vertically and use convertview. We can load thousands of data, but sometimes we have this requirement, such as photo album, we want to slide horizontally,

Author: fly_binbin Android GPS Positioning implementation Today, I spent more than an hour writing a small example of GPS code for obtaining geographic locations, including some online code and some modifications to the code, hope to help you. The

There are a lot of code on the Android platform, and the relationship is also very complex. We usually cannot track the android framework code during program debugging, if you can debug and track the android source code, this article provides a

1. Get the status bar height: Decorview is the top-level view in the window. You can obtain the decorview from the window. Then, decorview has a getwindowvisibledisplayframe method to obtain the display area of the program, including the title bar,

The default language of the Android system is English, and the customized system may need to be simplified Chinese when the user is on the machine.We can modify system attributes to implement the default language.There are two methods, which can be

There is now a need to download many files, put in an open port (URL) directory, the files under this directory will change, that is, the file name is not fixed. Now you need to download the files in this directory to the Android device. I found a

In the Android system, textview is relatively compact by default when displaying Chinese characters, which is not very beautiful. You can set the attribute Android: linespacingextra or Android: linespacingmultiplier to keep the row spacing between

I wrote an article about sending emails in Android, which uses an implicit intent to activate the built-in email sending function. Today, it took me a day to implement this email sending function (mainly because the code on the internet is too

I have never remembered how many times did Android fail to complete his homework because he was lying in front of a computer, and how many times worried about whether he was able to pass the course, which often points to the classic game Red Police.