diff options
Diffstat (limited to 'core/tests/coretests/src/android/view/ViewAttachView.java')
-rw-r--r-- | core/tests/coretests/src/android/view/ViewAttachView.java | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/core/tests/coretests/src/android/view/ViewAttachView.java b/core/tests/coretests/src/android/view/ViewAttachView.java new file mode 100644 index 0000000..5af2d8f --- /dev/null +++ b/core/tests/coretests/src/android/view/ViewAttachView.java @@ -0,0 +1,80 @@ +/* + * Copyright (C) 2011 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.view; + +import android.content.Context; +import android.graphics.Canvas; +import android.graphics.Color; +import android.os.SystemClock; +import android.util.AttributeSet; +import android.util.Log; +import android.view.View; + +/** + * A View that will throw a RuntimeException if onAttachedToWindow and + * onDetachedFromWindow is called in the wrong order for ViewAttachTest + */ +public class ViewAttachView extends View { + public static final String TAG = "OnAttachedTest"; + private boolean attached; + + public ViewAttachView(Context context, AttributeSet attrs, int defStyle) { + super(context, attrs, defStyle); + init(attrs, defStyle); + } + + public ViewAttachView(Context context, AttributeSet attrs) { + super(context, attrs); + init(attrs, 0); + } + + public ViewAttachView(Context context) { + super(context); + init(null, 0); + } + + private void init(AttributeSet attrs, int defStyle) { + SystemClock.sleep(2000); + } + + @Override + protected void onAttachedToWindow() { + Log.d(TAG, "onAttachedToWindow"); + super.onAttachedToWindow(); + if (attached) { + throw new RuntimeException("OnAttachedToWindow called more than once in a row"); + } + attached = true; + } + + @Override + protected void onDetachedFromWindow() { + Log.d(TAG, "onDetachedFromWindow"); + super.onDetachedFromWindow(); + if (!attached) { + throw new RuntimeException( + "onDetachedFromWindowcalled without prior call to OnAttachedToWindow"); + } + attached = false; + } + + @Override + protected void onDraw(Canvas canvas) { + super.onDraw(canvas); + canvas.drawColor(Color.BLUE); + } +} |