i have tried to use StateSet.stateSetMatches(int[], int) and frankly
have no idea what is it for. consider the following:
int[] stateSpec = {1, 1, 1};
int state = 1;
// stateSpec == {1, 1, 1}
Log.d(TAG, "onCreate " + testStateSetMatches(stateSpec, state));
stateSpec[2] = 2;
// stateSpec == {1, 1, 2}
Log.d(TAG, "onCreate " + testStateSetMatches(stateSpec, state));
stateSpec[2] = 0;
// stateSpec == {1, 1, 0}
Log.d(TAG, "onCreate " + testStateSetMatches(stateSpec, state));
and the testStateSetMatches method:
private String testStateSetMatches(int[] stateSpec, int state) {
StringBuilder sb = new StringBuilder("{");
for (int i = 0; i < stateSpec.length; i++) {
int item = stateSpec[i];
sb.append(item);
if (i + 1 < stateSpec.length) {
sb.append(", ");
}
}
boolean match = StateSet.stateSetMatches(stateSpec, state);
sb.append("} vs ").append(state).append(" == ").append(match);
return sb.toString();
}
the logcat says:
D/TestTag ( 1069): onCreate {1, 1, 1} vs 1 == true
D/TestTag ( 1069): onCreate {1, 1, 2} vs 1 == false
D/TestTag ( 1069): onCreate {1, 1, 0} vs 1 == true
so it seems that it returns true if every element in stateSpec is
equal to state *or* there is 0 somewhere in between
i don't really get it, i thought it should match if there is at least
one state in stateSet but it's not the case, so what is the point of
this method?
btw StateSet.stateSetMatches(int[], int[]) works as expected but int
variant gets me crazy, can anyone explain what is it for?
pskink
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