/* * Copyright (C) 2007 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.app.Activity; import android.os.Bundle; import android.widget.TextView; import android.view.View; import android.view.ViewTreeObserver; import com.android.frameworks.coretests.R; /** * Tests views using post*() and getViewTreeObserver() before onAttachedToWindow(). */ public class RunQueue extends Activity implements ViewTreeObserver.OnGlobalLayoutListener { public boolean runnableRan = false; public boolean runnableCancelled = true; public boolean globalLayout = false; public ViewTreeObserver viewTreeObserver; @Override protected void onCreate(Bundle icicle) { super.onCreate(icicle); TextView textView = new TextView(this); textView.setText("RunQueue"); textView.setId(R.id.simple_view); setContentView(textView); final View view = findViewById(R.id.simple_view); view.post(new Runnable() { public void run() { runnableRan = true; } }); final Runnable runnable = new Runnable() { public void run() { runnableCancelled = false; } }; view.post(runnable); view.post(runnable); view.post(runnable); view.post(runnable); view.removeCallbacks(runnable); viewTreeObserver = view.getViewTreeObserver(); viewTreeObserver.addOnGlobalLayoutListener(this); } public void onGlobalLayout() { globalLayout = true; } }