Q: I'm getting this error on startup: "Application could not be initialized correctly error 0xc0000135". The size of a simple app is around 100 KB. Q: How is the performance of B4A apps compared to native apps? A: The performance of B4A apps (in Release mode) is similar to the performance of apps written with Java. Q: How can I reuse existing Java code? A: You can wrap your Java code as a library and then reference it from B4A IDE. Q: Which phones and tablets are supported? A: All Android devices running Android 2.3 or above are supported. B4X programming language is simple and straightforward. Q: Do I need to know Visual Basic, VB6, VB.Net, etc. You are ready to run your first Android program!įrequently asked questions Q: Is B4A completely free, including for commercial purposes? A: Yes.Connect the IDE to the device: Tools - B4A Bridge - Connect. This can be set under Settings - Security or Settings - Applications. Make sure that installation of apps from unknown sources is enabled.To unzip a single file or folder, double-click the zipped folder to open it. To unzip the entire folder, right-click to select Extract All, and then follow the instructions. To unzip files Open File Explorer and find the zipped folder. B4A-Bridge is also available on HUAWEI AppGallery. Right-click the file you want to zip, and then select Send to > Compressed (zipped) folder. You can also download the apk file directly. You can search for B4A Bridge or press on the above button. This is an alternative to USB debug mode (which is also supported). B4A-Bridge allows the IDE to connect to the device over the wireless network.The unzipped file appears next to the compressed file. Touch on the vertical line of three dots next to the desired file and choose Unzip from the menu. Open the zipped file and select files or folders to unzip. Read and accept the licenses when asked for. Follow the below instructions to unzip folders using WinZip app.If you want to use the emulator or install more components then start B4A Sdk Manager and set the path to: C:\Android\tools\bin\sdkmanager.bat.Start developing with B4A-Bridge or USB debug mode.Set the path to "android.jar" (C:\Android\platforms\android-30\android.jar).Set the path to "javac.exe" if it is empty (C:\java\jdk-11.0.1\bin\javac.exe or C:\Program Files\Java\jdk1.8.0_211\bin\javac.exe).We see many cases where Windows built-in zip tool fails to extract the files properly. It is recommended to use a tool such as 7-Zip to unzip them.
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