Why not set your build target to API Level 14 and just call the
method, wrapping your calls in a Build.VERSION.SDK_INT check? Why are
you messing around with reflection games?
On Wed, Mar 6, 2013 at 7:21 PM, Qianqian Fang <fan...@gmail.com> wrote:
> hi list
>
> I am working on a camera program where I want to call setAutoExposureLock()
> is supported. To make this backward compatible, I used some sample code I
> found online to check the presence of this method first. The code snippet is
> below:
>
> ...
> try{
> Class c = Class.forName("android.hardware.Camera");
>
> Method spcwb = null;
> Method[] m = c.getMethods();
> for (int i = 0; i < m.length; i++) {
> if (m[i].getName().compareTo("setAutoExposureLock") == 0) {
> spcwb = m[i];
> break;
> }
> }
> if (spcwb != null) {
> Object[] arglist = new Object[1];
> arglist[0] = tf;
> spcwb.invoke(cm, arglist);
> Log.i(TAG, "setAutoExposureLock: Called method");
> } else {
> Log.i(TAG, "setAutoExposureLock: Did not find method");
> }
> }catch(...){...}
>
> however, I tried this on both Nexus S (ICS 4.1) and Nexus 4 (ICS 4.2), the
> above code returned "not found". Shouldn't setAutoExposureLock be supported
> by 4.0.3 and newer? I directly called this method for my Nexus 4, it worked.
> But I'd like to make this work for older phones.
>
> I changed the class name to "android.hardware.Camera.Parameters", it did not
> help.
>
> did I miss anything?
>
> Qianqian
>
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