| /* |
| * Copyright (C) 2020 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package android.graphics.drawable; |
| |
| import com.android.ide.common.rendering.api.ILayoutLog; |
| import com.android.layoutlib.bridge.Bridge; |
| import com.android.tools.layoutlib.annotations.LayoutlibDelegate; |
| |
| import android.graphics.PixelFormat; |
| |
| public class NinePatchDrawable_Delegate { |
| |
| @LayoutlibDelegate |
| static int getOpacity(NinePatchDrawable thisDrawable) { |
| // User-defined nine-patches can have a null underlying bitmap, if incorrectly constructed. |
| // Trying to preview such a nine-patch drawable will trigger a NullPointerException in the |
| // getOpacity, which then get logged by the Studio crash reporting system. |
| // Do not crash here, but let it instead crash during draw, which gets logged by layoutlib |
| // and is then handled better by Studio. |
| try { |
| return thisDrawable.getOpacity_Original(); |
| } catch (NullPointerException ignore) { |
| Bridge.getLog().warning(ILayoutLog.TAG_BROKEN, "The source for the nine-patch " + |
| "drawable has not been correctly defined.", null , null); |
| return PixelFormat.OPAQUE; |
| } |
| } |
| } |