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Handle null buffer when delegating handwriting

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Handwriting event buffer can be null when starting handwriting
delegation. handle it gracefully

Fix: 275726998
Bug: 275679219
Test: atest StylusHandwritingTest
Change-Id: I055643c6977de32e2f071f42518b08ab3e14eb10
This commit is contained in:
Taran Singh
2023-03-29 20:55:51 +00:00
parent fbc8c2fb7b
commit e2ded2e114
1 changed files with 6 additions and 2 deletions
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8
services/core/java/com/android/server/inputmethod/HandwritingModeController.java
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@@ -24,8 +24,8 @@ import android.annotation.NonNull;
import android.annotation.Nullable;
import android.annotation.RequiresPermission;
import android.annotation.UiThread;
import android.os.Handler;
import android.hardware.input.InputManagerGlobal;
import android.os.Handler;
import android.os.IBinder;
import android.os.Looper;
import android.text.TextUtils;
@@ -165,7 +165,11 @@ final class HandwritingModeController {
@NonNull String delegatePackageName, @NonNull String delegatorPackageName) {
mDelegatePackageName = delegatePackageName;
mDelegatorPackageName = delegatorPackageName;
mHandwritingBuffer.ensureCapacity(getHandwritingBufferSize());
if (mHandwritingBuffer == null) {
mHandwritingBuffer = new ArrayList<>(getHandwritingBufferSize());
} else {
mHandwritingBuffer.ensureCapacity(getHandwritingBufferSize());
}
scheduleHandwritingDelegationTimeout();
}