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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