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Commit 34884b40 authored by Kevin Powell's avatar Kevin Powell Committed by Mathias Agopian
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[3163098] Fix bug in angleChange funtion which caused the returned angle... 

[3163098] Fix bug in angleChange funtion which caused the returned angle change to be zeroall the time. The fix is to use PrevR instead of computing the difference between R and R.

Change-Id: I59cacab4c7108cfb4a17fd1021de7473e6faa74f
parent 38e561dd

core/java/android/hardware/SensorManager.java

+18 −18
Original line number Diff line number Diff line
@@ -1872,25 +1872,25 @@ public class SensorManager 
        }



        if(prevR.length == 9) {

            pri0 = R[0];

            pri1 = R[1];

            pri2 = R[2];

            pri3 = R[3];

            pri4 = R[4];

            pri5 = R[5];

            pri6 = R[6];

            pri7 = R[7];

            pri8 = R[8];

            pri0 = prevR[0];

            pri1 = prevR[1];

            pri2 = prevR[2];

            pri3 = prevR[3];

            pri4 = prevR[4];

            pri5 = prevR[5];

            pri6 = prevR[6];

            pri7 = prevR[7];

            pri8 = prevR[8];

        } else if(prevR.length == 16) {

            pri0 = R[0];

            pri1 = R[1];

            pri2 = R[2];

            pri3 = R[4];

            pri4 = R[5];

            pri5 = R[6];

            pri6 = R[8];

            pri7 = R[9];

            pri8 = R[10];

            pri0 = prevR[0];

            pri1 = prevR[1];

            pri2 = prevR[2];

            pri3 = prevR[4];

            pri4 = prevR[5];

            pri5 = prevR[6];

            pri6 = prevR[8];

            pri7 = prevR[9];

            pri8 = prevR[10];

        }



        // calculate the parts of the rotation difference matrix we need