device

问题 I am trying to display an image in a dialog dynamically, it works no problem if I put the code in the on paint method and use the dc from there, I can't do this though I need to display after the window is shown, the code I am using is as follows, I am getting the dc of the client window creating the bitmap from a resource and "trying" to display it in the window but nothing displays, Any suggestions what might be wrong? void CProcessSteps::OnShowWindow(BOOL bShow, UINT nStatus) { CDialog:

问题 I'm reading Apress - Beginning iPad Development for iPhone Developer Mastering the iPad SDK and in one chapter i read about device checking and author write: "Although you may be temped to simply check the user's device type or operating system version, with Apple constantly releasing new devices and iOS versions, that's not the way to go. A better approach is to test for the availability of exclusive iPad classes using NSClassFromString. If you pass an iPad-only class name, such as

问题 I want to update the database of installed application. First of all, I couldn't the database file path; there is no file called mypackage in /data/data/ . How can I find the database file path? Secondly, I want to delete the old file and replace it my new database. How can I manage this? 回答1: say you make a program with the packagename of com.example.program, your path will be /data/data.com.example.program/databasefile bur for updating it, put your code in onUpdate and change the version

问题 UPDATE So to solve the problem I took the approach of starting a new project and little by little try to bring it to the final project. The following snippet seems to be at least partly responsible <uses-permission android:name="android.permission.CAMERA"/> <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/> <uses-permission android:name="android.permission.RECORD_AUDIO"/> <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION"/> <uses-feature android

问题 I have googled and searched after this topic, but could not find any good answer. How can i get the imei for the phone, or at least a unique id. I am also interested in finding the phonenumber through the simcard. Right now im using the systemstate to get the owner's phonenumber, but that is only set if the owner has set it himself 回答1: If you really need the IMEI, have a look at this blog: http://dotnetslackers.com/Community/blogs/ruslantrifonov/archive/2007/07/10/_2200_How-To_2200_-Series

问题 Description I'm trying to Push file (.so library) onto Android Device (Samsung NexusS) "system\lib" folder using Eclipse. But when I press " Push a file onto the device " an error appears: [2011-06-24 15:41:21] Failed to push selection: Read-only file system Researches To solve this problem I search through internet and find some articles and documentations, but nothing helps me, here are some articles and documentations which I have tried. Read-Only File System" when trying to ADB Push an

问题 I am trying to understand the documentation at MSDN regarding Device Events and how to trigger a notification whenever a volume has been mounted. I have managed to do this for USB devices using information presented in the following post: detect usb drive/device using delphi as well as other information found on the internet, but I have noticed that it would be easier to detect when a volume has been mounted directly. So my question is: how do I implement Device Events handling in my Delphi

问题 I'v been struggling with this one for some time so any hint or suggestion are welcome. I'm trying to delete a file from a directory under "Documents". The problem is that the file is not delete on the device dow it is on the simulator. Just to add to the mystery, before the call to removeItemAtPath I check if the file exists with fileExistsAtPath, and even display the list of files under that folder. Attached the code for deletion: // Override to support editing the table view. - (void

问题 Can we simulate Home button on Android devices for Calabash-Android? I need to tap on Home button in our scripts to execute my Scripts using Calabash. 回答1: I have not tried this yet myself. But looking around for a solution I did find this. Link http://krazyrobot.com/2014/02/calabash-android-enter-text-from-keyboard-using-adb/ by Balazs Balazs aka krazyrobot His solution is to use send keycodes, for the home button that is KEYCODE_HOME. Wrapping that into calabash would give you: system("adb

问题 I have referred to a lot of tutorials on how to control your mouse cursor's movements and clicks by map these events to your own real mouse, but I noticed that everytime I must associate this mouse to one specified event in /dev/input/, if I didn't connect one real mouse, or if the linux didn't give the right event number on this real mouse, the program will definitely fail. Now I need to write a generalized program which can make one complete virtual mouse on linux, that is to say, this