Android setting listener that does not exist on lower api

Question

I have read stuff about how to wrap things to be backward compatible but I can't get my arms around this one

I would like to do

TextToSpeech textToSpeech = ...
...
if(Build.VERSION.SDK_INT >= 15){
   textToSpeech.setOnUtteranceProgressListener(new UtteranceProgressListener() {
   ...
   });
}

the problem is UtteranceProgressListener is api >= 15. I am targeting api 8 (I work for someone, I can't change this)

I was thinking of using Class.forName(...) but if I do that the code cannot compile (it is expecting a listener of type UtteranceProgressListener)

And if I do it, how can I implement the methods @Override of an object that is defined by a string ? At compile time Java doesn't know about them, right ?

You just have to use the else statement and setOnUtteranceCompletedListener() — Hoan Nguyen, Mar 16 '14 at 01:00
that's what I did but Android Studio says this w ill be a compilation error — Thomas, Mar 16 '14 at 09:04

Nurdin · Answer 1 · 2014-03-15T18:17:14.137

0

Open up your androidmanifest.xml. Change your min api to 8. Make sure you update android api 8 using android tool.

<uses-sdk android:minSdkVersion="8" android:targetSdkVersion="19" />

edited Mar 15 '14 at 18:17

answered Mar 15 '14 at 18:10

Nurdin

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This is in my gradle file but I still get a warning in android studio. Is it a lint problem ? – Thomas Mar 15 '14 at 18:24
class requires API level 15 (current min is 8): UtteranceProgressListener – Thomas Mar 15 '14 at 18:43

Android setting listener that does not exist on lower api

1 Answers1