...such as sending and receiving SMS messages or reading information from the web. The focus of this effort was to extend AppInventor’s toolset into the physical space, allowing users to easily interface with external sensors, actuators, and other hardware. The MOIO board[1] is a low-cost, programma...

...馈 使用 XML 和 Web 服务 « 返回首页 使用 XML 和 Web 服务 The Web.XMLTextDecode takes a given XML text string and decodes it to produce a list. If the text is not well-formed XML, it w...

... sorry, this is a Power user thread, I will summarize the main points from that thread here Google Play Store policy requires that all apps declaring the ability to send text and make phone calls directly without user intervention, or to re...

...ere is a Canvas, Canvas1, which contains an ImageSprite (ArrowSprite) that we want to rotate. Label1 will show the Arrow’s heading in text format. Heading 0 points to right. We also add a RotationDetector (MyRotationDetector1) as a non-visible component. The first key part of using Rotation Det...

...ere is a Canvas, Canvas1, which contains an ImageSprite (ArrowSprite) that we want to rotate. Label1 will show the Arrow’s heading in text format. Heading 0 points to right. We also add a RotationDetector (MyRotationDetector1) as a non-visible component. The first key part of using Rotation Det...

...ere is a Canvas, Canvas1, which contains an ImageSprite (ArrowSprite) that we want to rotate. Label1 will show the Arrow’s heading in text format. Heading 0 points to right. We also add a RotationDetector (MyRotationDetector1) as a non-visible component. The first key part of using Rotation Det...

...ere is a Canvas, Canvas1, which contains an ImageSprite (ArrowSprite) that we want to rotate. Label1 will show the Arrow’s heading in text format. Heading 0 points to right. We also add a RotationDetector (MyRotationDetector1) as a non-visible component. The first key part of using Rotation Det...

...ere is a Canvas, Canvas1, which contains an ImageSprite (ArrowSprite) that we want to rotate. Label1 will show the Arrow’s heading in text format. Heading 0 points to right. We also add a RotationDetector (MyRotationDetector1) as a non-visible component. The first key part of using Rotation Det...

...e link can read the document. Create a Service Account In this tutorial, we will be creating a Service Account, a user account that’s created to interact with a specific piece of software or service. In our case, this specific piece of software is the Google Sheets API. You can then reuse this S...

...unning on. This display is essentially equivalent to how App Inventor apps were rendered on Tablets prior to App Inventor version 145. There are no Blocks to set Responsive / Fixed. To change the Screen.Sizing property, on the Designer screen with Screen1 selected in Components, go to Properties ...