Skip to main content. For example, some apps return information via the properties ResultType and ResultUri. If you are going to start another App Inventor app, make sure you use the correct package name. Not all Android apps use the Result and ResultName mechanism. In this example, the URI specifies a z zoom of 23, which is the largest zoom value.
MIT App Inventor Forum ›. This topic is no longer open for new replies due to inactivity. If you'd like to post a message, please search for a more. pantalla 2 y al cerrar la pantalla 2 se cierra y regresa a la 1, en el boton 2 te envia See also Martyn_HK's example about how to use Tabs in App Inventor and For example, if your image says its file size is kb, and its dimensions are.
Activity Starter is mostly for advanced developers, but it's a key way to extend the App Inventor, because it means lets you take advantage of applications written.
This section gives some examples.
If your app calls other apps as activities, you'll want to check that those other apps are available on your user's phone before trying to start them.
To start AndExplorer to pick a file, use an ActivityStarter with: Here are some examples: Invoking the activity starter's StartActivity method will start HelloPurr. If you have the source code of the app, you can find these names as follows:.
The format of the DataURI is specific to the app.
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|You can start another app that was created with App Inventor if you know its package name and class name.
Video: Boton para cerrar app in mit app inventor Boton Atras en App Inventor 2
If you are going to start another App Inventor app, make sure you use the correct package name. URL Show a map for a location If you know the latitude and a longitude of a location, you can show a map using an activity starter with these properties to show a map of the area: Some developers provide this information, or sometimes you'll have access to the source code.
If you will be writing both apps, it's probably better to make a single multiscreen app rather than create two apps and use the Activity Starter.
If you are. Una vez que tengamos claro para qué sirve cada ventana de App Inventor, suene un sonido cuando pulsemos el botón nos salga un mensaje de notificación.
Tutorial para usar el Módulo Bluetooth HC y el HC y una comunicación con una App Para esta parte usaremos lo siguiente, App Android, un Arduino, un LED y el Modulo Bluetooth HC (esclavo). Joystick Bluetooth Commander: un Joystick y 4 Botones.
view raw arduinobluetooth.c hosted with ❤ by GitHub.
Also, with multiple screen apps, you can pass and return lists as values rather than just text, and you can share values between the screens with TinyDB.
A SubroutineApp designed to be started with an activity starter and return a value, and a CallerApp that uses an ActivityStarter to call SubroutineApp. If you have a street address, you can use a DataUri that encodes the address with a scheme called URL encoding:. You must consult the documentation for the particular app to learn what this extra information is and how to specify it.
For hints on starting other apps using intents, see the Android API documentation or search the Android developer forums. Apps that come with the phone can be invoked using package names and class names, as above.
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app inventor ¿CÚALES SON Muchos aspectos de la apariencia de un botón se puede cambiar. Con la propiedad. Smart Car Remote will turn your phone into smart car key to open and close doors, start/stop the engine using voice command or button through wireless.
When you start the activity and pick a file, the resulting file name will be available as ResultUri. For example, maps can take geographic information that specifies which map to display.
Note on upgrading old apps: The values for ResultType and ResultUri come from intent. You can see that result as the result argument of the activity starter's AfterActivity event.
Using the Activity Starter (App Inventor 2) Explore MIT App Inventor
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|In general, you'll need to consult documentation about the app you want to use as a subroutine. To return a result, invoke the command close screen with plain text located in the Control drawer.
Presently, you can pass and receive text values only. AndExplorer from Lysesoft is an application that lets you pick files for your SD card. The activity starter commands described here have changed from earlier releases, which used close screen with result and get start textrather than the newer close screen with plain text and get start plain text.
To start AndExplorer to pick a file, use an ActivityStarter with: