Examples for making designer properties

Open Source Development
1

I am new to extension development, and I don't how how to add designer properties for the extension, can anyone show me some example please?

2

See app inventor sources

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3

I don't understand, any examples?

4

Look at this :

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5

Take a look at "How to add a component" §4d (Properties):

See also the DesignerProperty annotation documentation here:

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6

First step:-
import

com.google.appinventor.components.annotations.DesignerProperty

com.google.appinventor.components.annotations.SimpleProperty

Second step ( string example) :-

@DesignerProperty(editorType = "string")
@SimpleProperty
public void YourName(String Name) {
// Your code.
}

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7

Rather than hard-coding the editor type as a string, import com.google.appinventor.components.common.PropertyTypeConstants and use the predefined constants defined therein.

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