If you have an Android tablet or phone that you want to use while you develop apps, click 4A below. When a new Blocks Editor opens, it will contain all the blocks you programmed before you closed the Blocks Editor.Īs you build your app, you can do "live testing" on an emulator or an Android device. jnlp file is downloaded to your computer, and you need to open the file again. When you click the "Open the Blocks Editor" button, a new. Therefore, even when you close your Blocks Editor window, all the information in the Blocks Editor is stored in the Designer. The Designer runs from the browser, and the Blocks Editor runs from Java however, they are linked. The Advanced palette contains blocks for inventing intermediate and advanced apps with more complex logic. The blocks under the My Blocks palette contains specific blocks that are tied to the set of components that you have chosen for your app. The Built-In palette contains the standard set of blocks that are available for every app you build (e.g., Definition, Text, Lists etc.). When you click a drawer, you can see all the blocks stored in that drawer. On the left side, it has three palettes (Built-In, My Blocks, Advanced) each palette has drawers storing sets of blocks. The large empty "canvas" space on the right side is referred as the work area, in which you place blocks to assemble the program. The Blocks Editor window should look like this: To account for this possibility, find the downloaded file named AppInventorForAndroidCodeblocks.jnlp and open it. If the Blocks Editor fails to open, one possible reason is that your browser is not set up to run downloaded Java applications automatically. This process may take 30 seconds or longer. Click 'Always trust contents from this publisher' and open the file.For Windows users, follow the instructions as the automatic installation wizard suggests. Click "save", "allow", "keep", or whatever type of acceptance button comes up (it depends on your computer and browser). You may be prompted to accept the Blocks Editor file. When you click Open the blocks editor from the Designer window, the Blocks Editor program file should download and run. These windows are linked: changes made in the Designer will be immediately reflected in the Blocks Editor. It is a separate application with its own window, and therefore we need to open two windows to design an app. In addition to the Designer, you need to start the Blocks Editor, the place were you set the behavior of the app. The browser will open the web page called the Designer, the place where you select components for your app and design the user interface, and should look like this:
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