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AI 148024: fix NPE when there is no history

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Automated import of CL 148024
This commit is contained in:
Mitsuru Oshima
2009-04-29 17:13:46 -07:00
committed by The Android Open Source Project
parent 8169daed2f
commit dffbb4dbce
1 changed files with 6 additions and 4 deletions
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10
core/java/android/view/MotionEvent.java
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@@ -225,10 +225,12 @@ public final class MotionEvent implements Parcelable {
mSize *= scale;
mXPrecision *= scale;
mYPrecision *= scale;
float[] history = mHistory;
int length = history.length;
for (int i = 0; i < length; i++) {
history[i] *= scale;
if (mHistory != null) {
float[] history = mHistory;
int length = history.length;
for (int i = 0; i < length; i++) {
history[i] *= scale;
}
}
}
}