Fix possible divided by zeror error (bafe4b8a) · Commits · e / os / android_packages_inputmethods_LatinIME

java/src/com/android/inputmethod/keyboard/MoreKeysKeyboard.java

+7 −13

Original line number	Diff line number	Diff line
		@@ -279,8 +279,14 @@ public final class MoreKeysKeyboard extends Keyboard {
		mParentKey = parentKey;

		final int width, height;
		// {@link KeyPreviewDrawParams#mPreviewVisibleWidth} should have been set at
		// {@link MainKeyboardView#showKeyPreview(PointerTracker}, though there may be
		// some chances that the value is zero. <code>width == 0</code> will cause
		// zero-division error at
		// {@link MoreKeysKeyboardParams#setParameters(int,int,int,int,int,int,boolean,int)}.
		final boolean singleMoreKeyWithPreview = parentKeyboardView.isKeyPreviewPopupEnabled()
		&& !parentKey.noKeyPreview() && parentKey.mMoreKeys.length == 1;
		&& !parentKey.noKeyPreview() && parentKey.mMoreKeys.length == 1
		&& keyPreviewDrawParams.mPreviewVisibleWidth > 0;
		if (singleMoreKeyWithPreview) {
		// Use pre-computed width and height if this more keys keyboard has only one key to
		// mitigate visual flicker between key preview and more keys keyboard.
		@@ -291,22 +297,10 @@ public final class MoreKeysKeyboard extends Keyboard {
		// adjusted with their bottom paddings deducted.
		width = keyPreviewDrawParams.mPreviewVisibleWidth;
		height = keyPreviewDrawParams.mPreviewVisibleHeight + mParams.mVerticalGap;
		// TODO: Remove this check.
		if (width == 0) {
		throw new IllegalArgumentException(
		"Zero width key detected: " + parentKey + " in " + parentKeyboard.mId);
		}
		} else {
		width = getMaxKeyWidth(parentKeyboardView, parentKey, mParams.mDefaultKeyWidth,
		context.getResources());
		height = parentKeyboard.mMostCommonKeyHeight;
		// TODO: Remove this check.
		if (width == 0) {
		throw new IllegalArgumentException(
		"Zero width calculated: " + parentKey
		+ " moreKeys=" + java.util.Arrays.toString(parentKey.mMoreKeys)
		+ " in " + parentKeyboard.mId);
		}
		}
		final int dividerWidth;
		if (parentKey.needsDividersInMoreKeys()) {