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AppInventor2 屏幕如何切换成横屏？ - App应用开发 - 清泛IT社区，为创新赋能！
设置Screen1的“屏幕方向”属性即可：
预览如下：
ai2Stater测试效果如下：
ai2Stater模拟器窗口无法横屏，但是Mumu模拟器及手机AI伴侣测试的话，则会自动横屏。
Intel HAXM 安装失败？Hyper-V or Intel HAXM 你得二选一 - App Inventor 2...
...Windows 10 自带。后者是英特尔提供的，专门用于加速安卓模拟器。看上去这两者不兼容。如果不禁用 Hyper-V，直接重装 HAXM 的话，在安装过程中就会报错。
管理员权限执行命令以关闭Hyper-v，这样才能安装HAXM，启动安卓模拟器...
App Inventor 2 离线版 - 免登录，离线用，一键启动，App开发so easy！
... 最新版ai2Starter，全面拥抱Java17内置Android 11.0 模拟器，提供流畅真实的调试体验！ 了解更多 ...
/data/user/0/xxxx/files（内部存储）和 /storage/emulated/0/Android/data...
...私有目录/storage/emulated/0/Android/data/xxxx/files外部存储（如模拟的 SD 卡）
内部存储：始终位于系统分区，与应用绑定，用户无法直接通过文件管理器访问（需 Root）。外部存储：位于用户可见的存储空间（如 /sdcard/），路径可能因...
What's the equivalent of Java's Thread.sleep() in JavaScript? [duplicate]
What's the equivalent of Java's Thread.sleep() in JavaScript?
9 Answers
9
...
JavaScript sleep/wait before continuing [duplicate]
I have a JavaScript code that I need to add a sleep/wait function to. The code I am running is already in a function, eg:
1...
Waiting until two async blocks are executed before starting another block
...E_PRIORITY_HIGH, 0), ^ {
// block1
NSLog(@"Block1");
[NSThread sleepForTimeInterval:5.0];
NSLog(@"Block1 End");
});
dispatch_group_async(group,dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_HIGH, 0), ^ {
// block2
NSLog(@"Block2");
[NSThread sleepForTimeInterval:8.0]...
How do I output text without a newline in PowerShell?
...lable from PowerShell 3.0 onward, see manual for details.
# Total time to sleep
$start_sleep = 120
# Time to sleep between each notification
$sleep_iteration = 30
Write-Output ( "Sleeping {0} seconds ... " -f ($start_sleep) )
for ($i=1 ; $i -le ([int]$start_sleep/$sleep_iteration) ; $i++) {
S...
While loop to test if a file exists in bash
... if the file actually exists by adding:
while [ ! -f /tmp/list.txt ]
do
sleep 2 # or less like 0.2
done
ls -l /tmp/list.txt
You might also make sure that you're using a Bash (or related) shell by typing 'echo $SHELL'. I think that CSH and TCSH use a slightly different semantic for this loop.
...
How to generate keyboard events in Python?
... Alt
PressKey(VK_TAB) # Tab
ReleaseKey(VK_TAB) # Tab~
time.sleep(2)
ReleaseKey(VK_MENU) # Alt~
if __name__ == "__main__":
AltTab()
hexKeyCode is the virtual keyboard mapping as defined by the Windows API. The list of codes is available on MSDN: Virtual-Key Codes (Windows)
...