Automated import from //branches/donutburger/...@142291,142291
diff --git a/core/java/android/view/WindowOrientationListener.java b/core/java/android/view/WindowOrientationListener.java
index f1f5f70..1b7cf8f 100755
--- a/core/java/android/view/WindowOrientationListener.java
+++ b/core/java/android/view/WindowOrientationListener.java
@@ -106,7 +106,7 @@
private static final int _DATA_Z = 2;
// Angle around x-axis thats considered almost perfect vertical to hold
// the device
- private static final int PIVOT = 30;
+ private static final int PIVOT = 20;
// Angle around x-asis that's considered almost too vertical. Beyond
// this angle will not result in any orientation changes. f phone faces uses,
// the device is leaning backward.
@@ -114,22 +114,26 @@
// Angle about x-axis that's considered negative vertical. Beyond this
// angle will not result in any orientation changes. If phone faces uses,
// the device is leaning forward.
- private static final int PIVOT_LOWER = 0;
+ private static final int PIVOT_LOWER = -10;
// Upper threshold limit for switching from portrait to landscape
- private static final int PL_UPPER = 280;
+ private static final int PL_UPPER = 285;
// Lower threshold limit for switching from landscape to portrait
private static final int LP_LOWER = 320;
// Lower threshold limt for switching from portrait to landscape
- private static final int PL_LOWER = 240;
+ private static final int PL_LOWER = 265;
// Upper threshold limit for switching from landscape to portrait
- private static final int LP_UPPER = 360;
+ private static final int LP_UPPER = 355;
// Internal value used for calculating linear variant
- private static final float PL_LINEAR_FACTOR =
- ((float)(PL_UPPER-PL_LOWER))/((float)(PIVOT_UPPER-PIVOT_LOWER));
+ private static final float PL_LF_UPPER =
+ ((float)(PL_UPPER-PL_LOWER))/((float)(PIVOT_UPPER-PIVOT));
+ private static final float PL_LF_LOWER =
+ ((float)(PL_UPPER-PL_LOWER))/((float)(PIVOT-PIVOT_LOWER));
// Internal value used for calculating linear variant
- private static final float LP_LINEAR_FACTOR =
- ((float)(LP_UPPER - LP_LOWER))/((float)(PIVOT_UPPER-PIVOT_LOWER));
+ private static final float LP_LF_UPPER =
+ ((float)(LP_UPPER - LP_LOWER))/((float)(PIVOT_UPPER-PIVOT));
+ private static final float LP_LF_LOWER =
+ ((float)(LP_UPPER - LP_LOWER))/((float)(PIVOT-PIVOT_LOWER));
public void onSensorChanged(SensorEvent event) {
float[] values = event.values;
@@ -138,7 +142,7 @@
float Z = values[_DATA_Z];
float OneEightyOverPi = 57.29577957855f;
float gravity = (float) Math.sqrt(X*X+Y*Y+Z*Z);
- float zyangle = Math.abs((float)Math.asin(Z/gravity)*OneEightyOverPi);
+ float zyangle = (float)Math.asin(Z/gravity)*OneEightyOverPi;
int rotation = mSensorRotation;
if ((zyangle <= PIVOT_UPPER) && (zyangle >= PIVOT_LOWER)) {
// Check orientation only if the phone is flat enough
@@ -152,20 +156,29 @@
while (orientation < 0) {
orientation += 360;
}
-
- float delta = (float)Math.abs(zyangle - PIVOT);
+ float delta = zyangle - PIVOT;
if (((orientation >= 0) && (orientation <= LP_UPPER)) ||
(orientation >= PL_LOWER)) {
float threshold;
if (mSensorRotation == Surface.ROTATION_90) {
- threshold = LP_LOWER + (LP_LINEAR_FACTOR * delta) ;
+ if (delta < 0) {
+ // delta is negative
+ threshold = LP_LOWER - (LP_LF_LOWER * delta);
+ //threshold = LP_LOWER + (LP_LF_LOWER * delta);
+ } else {
+ threshold = LP_LOWER + (LP_LF_UPPER * delta);
+ }
} else {
- threshold = PL_UPPER - (PL_LINEAR_FACTOR * delta);
+ if (delta < 0) {
+ //delta is negative
+ threshold = PL_UPPER+(PL_LF_LOWER * delta);
+ } else {
+ threshold = PL_UPPER-(PL_LF_UPPER * delta);
+ }
}
rotation = (orientation >= PL_LOWER &&
orientation <= threshold) ? Surface.ROTATION_90 : Surface.ROTATION_0;
}
-
}
if (rotation != mSensorRotation) {
mSensorRotation = rotation;