android - How can I add my apps functionality into other applications easily/legally? -

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i'm experimenting text speech applications on android, app speak pre determined piece of text.

is there way can have other applications use functionality? example, if using browser, select text , somehow pass activity in application?

thanks

if define proper intent filters , third party apps launch intents matching info, users given option use app.

i use following intent filter make url shortening app available many places in android, including share menus on youtube, browser, , google reader:

<intent-filter>     <action         android:name="android.intent.action.send"/>     <category         android:name="android.intent.category.default"/>     <data         android:mimetype="text/plain"/> </intent-filter>

more info available here.


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