diff options
| -rw-r--r-- | packages/SettingsLib/src/com/android/settingslib/qrcode/QrDecorateView.java | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/packages/SettingsLib/src/com/android/settingslib/qrcode/QrDecorateView.java b/packages/SettingsLib/src/com/android/settingslib/qrcode/QrDecorateView.java index e034254e64ec..eb57b40978dc 100644 --- a/packages/SettingsLib/src/com/android/settingslib/qrcode/QrDecorateView.java +++ b/packages/SettingsLib/src/com/android/settingslib/qrcode/QrDecorateView.java @@ -24,6 +24,7 @@ import android.graphics.PorterDuff; import android.graphics.PorterDuffXfermode; import android.graphics.RectF; import android.util.AttributeSet; +import android.util.Log; import android.util.TypedValue; import android.view.View; @@ -33,6 +34,7 @@ public class QrDecorateView extends View { private static final float CORNER_STROKE_WIDTH = 4f; // 4dp private static final float CORNER_LINE_LENGTH = 264f; // 264dp private static final float CORNER_RADIUS = 16f; // 16dp + private static final String TAG = "QrDecorateView"; private final int mCornerColor; private final int mFocusedCornerColor; @@ -94,6 +96,10 @@ public class QrDecorateView extends View { @Override protected void onLayout(boolean changed, int left, int top, int right, int bottom) { super.onLayout(changed, left, top, right, bottom); + if (getWidth() <= 0 || getHeight() <= 0) { + Log.e(TAG, "width and height must be > 0"); + return; + } if (mMaskBitmap == null) { mMaskBitmap = Bitmap.createBitmap(getWidth(), getHeight(), Bitmap.Config.ARGB_8888); |