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...Inventor includes an emulator for the phone. The emulator lets you develop and test apps using a virtual phone instead of a real phone. Instead of connecting a phone to the USB port, just start the emulator program. When you click Connect to Phone in the Blocks Editor, your app will appear in the em...

...ncisco. The LocationSensor component can determine the phone’s latitude and longitude as well as a street address. You can use it to share your location with others, record “breadcrumbs” on a journey or treasure hunt, or as a way to take roll in class (as long as the students have Android dev...

...面板 API 17 SplitScreen激活分屏 API 26，Android Oreo 8.1.0 起可用 其他方法 API 16 后续回复中有用户反馈：如果应用面向 Android 12 或更高版本，可能因为服务带有 intent filter 但未设置 android:exp...

...ar phone, TinyWebDB can be used to facilitate communication between phones and apps (e.g., multi-player games). By default, the TinyWebDB component stores data on a test service provided by App Inventor, http://tinywebdb.appinventor.mit.edu/ . This service is helpful for testing, but it is shared b...

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...top:40%; left:5px; width:200px; height:500px; display: none;}@media screen and (max-width: 700px) { #free_v { top:200%; }}

...Inventor一起使用 与 App Inventor 一起发布的 Google Android 模拟器运行速度很慢。有些人更喜欢使用其他模拟器，例如 Genymotion 生产的模拟器。 MIT 的 App Inventor 安装包不包含 Genymotion 模拟器，因为 MIT 没有分发它的权限。但...

...top:40%; left:5px; width:200px; height:500px; display: none;}@media screen and (max-width: 700px) { #free_v { top:200%; }}

...top:40%; left:5px; width:200px; height:500px; display: none;}@media screen and (max-width: 700px) { #free_v { top:200%; }}