BaseRecyclerViewInstrumentationTest.java revision 115ba0c7b2a14aa4cd0273952195e1d8f6468f87
1d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase/* 2d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase * Copyright (C) 2014 The Android Open Source Project 3d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase * 4d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase * Licensed under the Apache License, Version 2.0 (the "License"); 5d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase * you may not use this file except in compliance with the License. 6d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase * You may obtain a copy of the License at 7d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase * 8d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase * http://www.apache.org/licenses/LICENSE-2.0 9d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase * 10d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase * Unless required by applicable law or agreed to in writing, software 11d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase * distributed under the License is distributed on an "AS IS" BASIS, 12d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase * See the License for the specific language governing permissions and 14d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase * limitations under the License. 15d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase */ 16d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase 17d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haasepackage android.support.v7.widget; 18d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase 19c50c4cad31d73e574b27bb3d7581542975e37263Yigit Boyarimport android.graphics.Rect; 208ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyarimport android.os.Looper; 21e2437126f0225135891544315ff72e54c7de0f59Yigit Boyarimport android.support.v4.view.ViewCompat; 22d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haaseimport android.test.ActivityInstrumentationTestCase2; 23d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haaseimport android.util.Log; 24d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haaseimport android.view.View; 25d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haaseimport android.view.ViewGroup; 26310e95e1c6dfe4f26ef594233e65e1ff83e0f1ffYigit Boyarimport android.widget.FrameLayout; 27d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haaseimport android.widget.TextView; 28d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase 29d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haaseimport java.util.ArrayList; 3090ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyarimport java.util.HashSet; 31d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haaseimport java.util.List; 3290ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyarimport java.util.Set; 33d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haaseimport java.util.concurrent.CountDownLatch; 34d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haaseimport java.util.concurrent.TimeUnit; 3511b7cfea15306c0d6e4ed7da09f7698df01695dfYigit Boyarimport java.util.concurrent.atomic.AtomicInteger; 36d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase 37d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haaseabstract public class BaseRecyclerViewInstrumentationTest extends 38d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase ActivityInstrumentationTestCase2<TestActivity> { 39d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase 40d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase private static final String TAG = "RecyclerViewTest"; 41d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase 42b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar private boolean mDebug; 43b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar 44b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar protected RecyclerView mRecyclerView; 45d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase 468ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar protected AdapterHelper mAdapterHelper; 478ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar 487e9da1a2629b657d56e2f54abd18c6249f3be037Yigit Boyar Throwable mainThreadException; 497e9da1a2629b657d56e2f54abd18c6249f3be037Yigit Boyar 50d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase public BaseRecyclerViewInstrumentationTest() { 51b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar this(false); 52b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar } 53b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar 54b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar public BaseRecyclerViewInstrumentationTest(boolean debug) { 558ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar super("android.support.v7.recyclerview", TestActivity.class); 56b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar mDebug = debug; 57b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar } 58b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar 597e9da1a2629b657d56e2f54abd18c6249f3be037Yigit Boyar void checkForMainThreadException() throws Throwable { 607e9da1a2629b657d56e2f54abd18c6249f3be037Yigit Boyar if (mainThreadException != null) { 617e9da1a2629b657d56e2f54abd18c6249f3be037Yigit Boyar throw mainThreadException; 627e9da1a2629b657d56e2f54abd18c6249f3be037Yigit Boyar } 637e9da1a2629b657d56e2f54abd18c6249f3be037Yigit Boyar } 647e9da1a2629b657d56e2f54abd18c6249f3be037Yigit Boyar 65e2437126f0225135891544315ff72e54c7de0f59Yigit Boyar void setHasTransientState(final View view, final boolean value) { 66e2437126f0225135891544315ff72e54c7de0f59Yigit Boyar try { 67e2437126f0225135891544315ff72e54c7de0f59Yigit Boyar runTestOnUiThread(new Runnable() { 68e2437126f0225135891544315ff72e54c7de0f59Yigit Boyar @Override 69e2437126f0225135891544315ff72e54c7de0f59Yigit Boyar public void run() { 70e2437126f0225135891544315ff72e54c7de0f59Yigit Boyar ViewCompat.setHasTransientState(view, value); 71e2437126f0225135891544315ff72e54c7de0f59Yigit Boyar } 72e2437126f0225135891544315ff72e54c7de0f59Yigit Boyar }); 73e2437126f0225135891544315ff72e54c7de0f59Yigit Boyar } catch (Throwable throwable) { 74e2437126f0225135891544315ff72e54c7de0f59Yigit Boyar Log.e(TAG, "", throwable); 75e2437126f0225135891544315ff72e54c7de0f59Yigit Boyar } 76e2437126f0225135891544315ff72e54c7de0f59Yigit Boyar } 77e2437126f0225135891544315ff72e54c7de0f59Yigit Boyar 780b1059b711009601ff08354e2df6bfc45266e80aYigit Boyar void setAdapter(final RecyclerView.Adapter adapter) throws Throwable { 790b1059b711009601ff08354e2df6bfc45266e80aYigit Boyar runTestOnUiThread(new Runnable() { 800b1059b711009601ff08354e2df6bfc45266e80aYigit Boyar @Override 810b1059b711009601ff08354e2df6bfc45266e80aYigit Boyar public void run() { 820b1059b711009601ff08354e2df6bfc45266e80aYigit Boyar mRecyclerView.setAdapter(adapter); 830b1059b711009601ff08354e2df6bfc45266e80aYigit Boyar } 840b1059b711009601ff08354e2df6bfc45266e80aYigit Boyar }); 850b1059b711009601ff08354e2df6bfc45266e80aYigit Boyar } 860b1059b711009601ff08354e2df6bfc45266e80aYigit Boyar 870b1059b711009601ff08354e2df6bfc45266e80aYigit Boyar void swapAdapter(final RecyclerView.Adapter adapter, 880b1059b711009601ff08354e2df6bfc45266e80aYigit Boyar final boolean removeAndRecycleExistingViews) throws Throwable { 890b1059b711009601ff08354e2df6bfc45266e80aYigit Boyar runTestOnUiThread(new Runnable() { 900b1059b711009601ff08354e2df6bfc45266e80aYigit Boyar @Override 910b1059b711009601ff08354e2df6bfc45266e80aYigit Boyar public void run() { 92824a7db96feacf3b68f56993ed72712bc935153eYigit Boyar try { 93824a7db96feacf3b68f56993ed72712bc935153eYigit Boyar mRecyclerView.swapAdapter(adapter, removeAndRecycleExistingViews); 94824a7db96feacf3b68f56993ed72712bc935153eYigit Boyar } catch (Throwable t) { 95824a7db96feacf3b68f56993ed72712bc935153eYigit Boyar postExceptionToInstrumentation(t); 96824a7db96feacf3b68f56993ed72712bc935153eYigit Boyar } 970b1059b711009601ff08354e2df6bfc45266e80aYigit Boyar } 980b1059b711009601ff08354e2df6bfc45266e80aYigit Boyar }); 99824a7db96feacf3b68f56993ed72712bc935153eYigit Boyar checkForMainThreadException(); 1000b1059b711009601ff08354e2df6bfc45266e80aYigit Boyar } 1010b1059b711009601ff08354e2df6bfc45266e80aYigit Boyar 1027e9da1a2629b657d56e2f54abd18c6249f3be037Yigit Boyar void postExceptionToInstrumentation(Throwable t) { 1036e83751247c5be0211d7bffaf057431c03dfef38Yigit Boyar if (mainThreadException != null) { 1046e83751247c5be0211d7bffaf057431c03dfef38Yigit Boyar Log.e(TAG, "receiving another main thread exception. dropping.", t); 1056e83751247c5be0211d7bffaf057431c03dfef38Yigit Boyar } else { 10690ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar Log.e(TAG, "captured exception on main thread", t); 1076e83751247c5be0211d7bffaf057431c03dfef38Yigit Boyar mainThreadException = t; 1086e83751247c5be0211d7bffaf057431c03dfef38Yigit Boyar } 1096e83751247c5be0211d7bffaf057431c03dfef38Yigit Boyar 1107e9da1a2629b657d56e2f54abd18c6249f3be037Yigit Boyar if (mRecyclerView != null && mRecyclerView 1117e9da1a2629b657d56e2f54abd18c6249f3be037Yigit Boyar .getLayoutManager() instanceof TestLayoutManager) { 1127e9da1a2629b657d56e2f54abd18c6249f3be037Yigit Boyar TestLayoutManager lm = (TestLayoutManager) mRecyclerView.getLayoutManager(); 1137e9da1a2629b657d56e2f54abd18c6249f3be037Yigit Boyar // finish all layouts so that we get the correct exception 1147e9da1a2629b657d56e2f54abd18c6249f3be037Yigit Boyar while (lm.layoutLatch.getCount() > 0) { 1157e9da1a2629b657d56e2f54abd18c6249f3be037Yigit Boyar lm.layoutLatch.countDown(); 1167e9da1a2629b657d56e2f54abd18c6249f3be037Yigit Boyar } 1177e9da1a2629b657d56e2f54abd18c6249f3be037Yigit Boyar } 1187e9da1a2629b657d56e2f54abd18c6249f3be037Yigit Boyar } 1197e9da1a2629b657d56e2f54abd18c6249f3be037Yigit Boyar 1208ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar @Override 1218ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar protected void tearDown() throws Exception { 1228ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar if (mRecyclerView != null) { 1238ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar try { 1248ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar removeRecyclerView(); 1258ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar } catch (Throwable throwable) { 1268ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar throwable.printStackTrace(); 1278ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar } 1288ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar } 1298ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar getInstrumentation().waitForIdleSync(); 130ca9ce7ccdccf6b6a2a81da73dd1e6425d90e4b23Yigit Boyar super.tearDown(); 131ca9ce7ccdccf6b6a2a81da73dd1e6425d90e4b23Yigit Boyar 1326e83751247c5be0211d7bffaf057431c03dfef38Yigit Boyar try { 1336e83751247c5be0211d7bffaf057431c03dfef38Yigit Boyar checkForMainThreadException(); 1346e83751247c5be0211d7bffaf057431c03dfef38Yigit Boyar } catch (Exception e) { 1356e83751247c5be0211d7bffaf057431c03dfef38Yigit Boyar throw e; 1366e83751247c5be0211d7bffaf057431c03dfef38Yigit Boyar } catch (Throwable throwable) { 137ca9ce7ccdccf6b6a2a81da73dd1e6425d90e4b23Yigit Boyar throw new Exception(throwable); 1386e83751247c5be0211d7bffaf057431c03dfef38Yigit Boyar } 1398ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar } 1408ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar 141c50c4cad31d73e574b27bb3d7581542975e37263Yigit Boyar public Rect getDecoratedRecyclerViewBounds() { 142c50c4cad31d73e574b27bb3d7581542975e37263Yigit Boyar return new Rect( 143c50c4cad31d73e574b27bb3d7581542975e37263Yigit Boyar mRecyclerView.getPaddingLeft(), 144c50c4cad31d73e574b27bb3d7581542975e37263Yigit Boyar mRecyclerView.getPaddingTop(), 145c50c4cad31d73e574b27bb3d7581542975e37263Yigit Boyar mRecyclerView.getPaddingLeft() + mRecyclerView.getWidth(), 146c50c4cad31d73e574b27bb3d7581542975e37263Yigit Boyar mRecyclerView.getPaddingTop() + mRecyclerView.getHeight() 147c50c4cad31d73e574b27bb3d7581542975e37263Yigit Boyar ); 148c50c4cad31d73e574b27bb3d7581542975e37263Yigit Boyar } 149c50c4cad31d73e574b27bb3d7581542975e37263Yigit Boyar 150b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar public void removeRecyclerView() throws Throwable { 151d7e2f2ab1d253133fa54f309e74a7ee384c33971Yigit Boyar if (mRecyclerView == null) { 152d7e2f2ab1d253133fa54f309e74a7ee384c33971Yigit Boyar return; 153d7e2f2ab1d253133fa54f309e74a7ee384c33971Yigit Boyar } 15490ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar if (!isMainThread()) { 15590ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar getInstrumentation().waitForIdleSync(); 15690ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar } 157b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar runTestOnUiThread(new Runnable() { 158b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar @Override 159b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar public void run() { 160abd0fbfcdd5b438909f126392eca5978b5939b6dYigit Boyar try { 161abd0fbfcdd5b438909f126392eca5978b5939b6dYigit Boyar final RecyclerView.Adapter adapter = mRecyclerView.getAdapter(); 162abd0fbfcdd5b438909f126392eca5978b5939b6dYigit Boyar if (adapter instanceof AttachDetachCountingAdapter) { 163abd0fbfcdd5b438909f126392eca5978b5939b6dYigit Boyar ((AttachDetachCountingAdapter) adapter).getCounter() 164abd0fbfcdd5b438909f126392eca5978b5939b6dYigit Boyar .validateRemaining(mRecyclerView); 165abd0fbfcdd5b438909f126392eca5978b5939b6dYigit Boyar } 166abd0fbfcdd5b438909f126392eca5978b5939b6dYigit Boyar getActivity().mContainer.removeAllViews(); 167abd0fbfcdd5b438909f126392eca5978b5939b6dYigit Boyar } catch (Throwable t) { 168abd0fbfcdd5b438909f126392eca5978b5939b6dYigit Boyar postExceptionToInstrumentation(t); 16990ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar } 170b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar } 171b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar }); 17290ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar mRecyclerView = null; 173b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar } 174b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar 175504c54ea52c1b2aae6f8f4ae128f1dcaac7e3f6aYigit Boyar void waitForAnimations(int seconds) throws InterruptedException { 176504c54ea52c1b2aae6f8f4ae128f1dcaac7e3f6aYigit Boyar final CountDownLatch latch = new CountDownLatch(2); 177504c54ea52c1b2aae6f8f4ae128f1dcaac7e3f6aYigit Boyar boolean running = mRecyclerView.mItemAnimator 178504c54ea52c1b2aae6f8f4ae128f1dcaac7e3f6aYigit Boyar .isRunning(new RecyclerView.ItemAnimator.ItemAnimatorFinishedListener() { 179504c54ea52c1b2aae6f8f4ae128f1dcaac7e3f6aYigit Boyar @Override 180504c54ea52c1b2aae6f8f4ae128f1dcaac7e3f6aYigit Boyar public void onAnimationsFinished() { 181504c54ea52c1b2aae6f8f4ae128f1dcaac7e3f6aYigit Boyar latch.countDown(); 182504c54ea52c1b2aae6f8f4ae128f1dcaac7e3f6aYigit Boyar } 183504c54ea52c1b2aae6f8f4ae128f1dcaac7e3f6aYigit Boyar }); 184504c54ea52c1b2aae6f8f4ae128f1dcaac7e3f6aYigit Boyar if (running) { 185504c54ea52c1b2aae6f8f4ae128f1dcaac7e3f6aYigit Boyar latch.await(seconds, TimeUnit.SECONDS); 186504c54ea52c1b2aae6f8f4ae128f1dcaac7e3f6aYigit Boyar } 187504c54ea52c1b2aae6f8f4ae128f1dcaac7e3f6aYigit Boyar } 188504c54ea52c1b2aae6f8f4ae128f1dcaac7e3f6aYigit Boyar 189b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar public void setRecyclerView(final RecyclerView recyclerView) throws Throwable { 1900b1059b711009601ff08354e2df6bfc45266e80aYigit Boyar setRecyclerView(recyclerView, true); 1910b1059b711009601ff08354e2df6bfc45266e80aYigit Boyar } 1920b1059b711009601ff08354e2df6bfc45266e80aYigit Boyar public void setRecyclerView(final RecyclerView recyclerView, boolean assignDummyPool) 1930b1059b711009601ff08354e2df6bfc45266e80aYigit Boyar throws Throwable { 194b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar mRecyclerView = recyclerView; 1950b1059b711009601ff08354e2df6bfc45266e80aYigit Boyar if (assignDummyPool) { 1960b1059b711009601ff08354e2df6bfc45266e80aYigit Boyar RecyclerView.RecycledViewPool pool = new RecyclerView.RecycledViewPool() { 1970b1059b711009601ff08354e2df6bfc45266e80aYigit Boyar @Override 1980b1059b711009601ff08354e2df6bfc45266e80aYigit Boyar public RecyclerView.ViewHolder getRecycledView(int viewType) { 1990b1059b711009601ff08354e2df6bfc45266e80aYigit Boyar RecyclerView.ViewHolder viewHolder = super.getRecycledView(viewType); 2000b1059b711009601ff08354e2df6bfc45266e80aYigit Boyar if (viewHolder == null) { 2010b1059b711009601ff08354e2df6bfc45266e80aYigit Boyar return null; 2020b1059b711009601ff08354e2df6bfc45266e80aYigit Boyar } 2030b1059b711009601ff08354e2df6bfc45266e80aYigit Boyar viewHolder.addFlags(RecyclerView.ViewHolder.FLAG_BOUND); 2040b1059b711009601ff08354e2df6bfc45266e80aYigit Boyar viewHolder.mPosition = 200; 2050b1059b711009601ff08354e2df6bfc45266e80aYigit Boyar viewHolder.mOldPosition = 300; 2060b1059b711009601ff08354e2df6bfc45266e80aYigit Boyar viewHolder.mPreLayoutPosition = 500; 2070b1059b711009601ff08354e2df6bfc45266e80aYigit Boyar return viewHolder; 2088da5bba529a2fe9bd2aafab28010e11ec4de93c7Yigit Boyar } 2098da5bba529a2fe9bd2aafab28010e11ec4de93c7Yigit Boyar 2100b1059b711009601ff08354e2df6bfc45266e80aYigit Boyar @Override 2110b1059b711009601ff08354e2df6bfc45266e80aYigit Boyar public void putRecycledView(RecyclerView.ViewHolder scrap) { 2120b1059b711009601ff08354e2df6bfc45266e80aYigit Boyar super.putRecycledView(scrap); 2130b1059b711009601ff08354e2df6bfc45266e80aYigit Boyar } 2140b1059b711009601ff08354e2df6bfc45266e80aYigit Boyar }; 2150b1059b711009601ff08354e2df6bfc45266e80aYigit Boyar mRecyclerView.setRecycledViewPool(pool); 2160b1059b711009601ff08354e2df6bfc45266e80aYigit Boyar } 2178ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar mAdapterHelper = recyclerView.mAdapterHelper; 218b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar runTestOnUiThread(new Runnable() { 219b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar @Override 220b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar public void run() { 221b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar getActivity().mContainer.addView(recyclerView); 222b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar } 223b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar }); 224b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar } 225b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar 226310e95e1c6dfe4f26ef594233e65e1ff83e0f1ffYigit Boyar protected FrameLayout getRecyclerViewContainer() { 227310e95e1c6dfe4f26ef594233e65e1ff83e0f1ffYigit Boyar return getActivity().mContainer; 228310e95e1c6dfe4f26ef594233e65e1ff83e0f1ffYigit Boyar } 229310e95e1c6dfe4f26ef594233e65e1ff83e0f1ffYigit Boyar 230e2437126f0225135891544315ff72e54c7de0f59Yigit Boyar public void requestLayoutOnUIThread(final View view) { 231e2437126f0225135891544315ff72e54c7de0f59Yigit Boyar try { 232e2437126f0225135891544315ff72e54c7de0f59Yigit Boyar runTestOnUiThread(new Runnable() { 233e2437126f0225135891544315ff72e54c7de0f59Yigit Boyar @Override 234e2437126f0225135891544315ff72e54c7de0f59Yigit Boyar public void run() { 235e2437126f0225135891544315ff72e54c7de0f59Yigit Boyar view.requestLayout(); 236e2437126f0225135891544315ff72e54c7de0f59Yigit Boyar } 237e2437126f0225135891544315ff72e54c7de0f59Yigit Boyar }); 238e2437126f0225135891544315ff72e54c7de0f59Yigit Boyar } catch (Throwable throwable) { 239e2437126f0225135891544315ff72e54c7de0f59Yigit Boyar Log.e(TAG, "", throwable); 240e2437126f0225135891544315ff72e54c7de0f59Yigit Boyar } 241b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar } 242b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar 243e2437126f0225135891544315ff72e54c7de0f59Yigit Boyar public void scrollBy(final int dt) { 244e2437126f0225135891544315ff72e54c7de0f59Yigit Boyar try { 245e2437126f0225135891544315ff72e54c7de0f59Yigit Boyar runTestOnUiThread(new Runnable() { 246e2437126f0225135891544315ff72e54c7de0f59Yigit Boyar @Override 247e2437126f0225135891544315ff72e54c7de0f59Yigit Boyar public void run() { 248e2437126f0225135891544315ff72e54c7de0f59Yigit Boyar if (mRecyclerView.getLayoutManager().canScrollHorizontally()) { 249e2437126f0225135891544315ff72e54c7de0f59Yigit Boyar mRecyclerView.scrollBy(dt, 0); 250e2437126f0225135891544315ff72e54c7de0f59Yigit Boyar } else { 251e2437126f0225135891544315ff72e54c7de0f59Yigit Boyar mRecyclerView.scrollBy(0, dt); 252e2437126f0225135891544315ff72e54c7de0f59Yigit Boyar } 253b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar 254e2437126f0225135891544315ff72e54c7de0f59Yigit Boyar } 255e2437126f0225135891544315ff72e54c7de0f59Yigit Boyar }); 256e2437126f0225135891544315ff72e54c7de0f59Yigit Boyar } catch (Throwable throwable) { 257e2437126f0225135891544315ff72e54c7de0f59Yigit Boyar Log.e(TAG, "", throwable); 258e2437126f0225135891544315ff72e54c7de0f59Yigit Boyar } 259d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase } 260d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase 2618edcb0bdeaba6931f9d8154f0c81f57da7ddab2aYigit Boyar void scrollToPosition(final int position) throws Throwable { 2628edcb0bdeaba6931f9d8154f0c81f57da7ddab2aYigit Boyar runTestOnUiThread(new Runnable() { 2638edcb0bdeaba6931f9d8154f0c81f57da7ddab2aYigit Boyar @Override 2648edcb0bdeaba6931f9d8154f0c81f57da7ddab2aYigit Boyar public void run() { 2658edcb0bdeaba6931f9d8154f0c81f57da7ddab2aYigit Boyar mRecyclerView.getLayoutManager().scrollToPosition(position); 2668edcb0bdeaba6931f9d8154f0c81f57da7ddab2aYigit Boyar } 2678edcb0bdeaba6931f9d8154f0c81f57da7ddab2aYigit Boyar }); 2688edcb0bdeaba6931f9d8154f0c81f57da7ddab2aYigit Boyar } 2698edcb0bdeaba6931f9d8154f0c81f57da7ddab2aYigit Boyar 2708edcb0bdeaba6931f9d8154f0c81f57da7ddab2aYigit Boyar void smoothScrollToPosition(final int position) 2718edcb0bdeaba6931f9d8154f0c81f57da7ddab2aYigit Boyar throws Throwable { 2728edcb0bdeaba6931f9d8154f0c81f57da7ddab2aYigit Boyar Log.d(TAG, "SMOOTH scrolling to " + position); 2738edcb0bdeaba6931f9d8154f0c81f57da7ddab2aYigit Boyar runTestOnUiThread(new Runnable() { 2748edcb0bdeaba6931f9d8154f0c81f57da7ddab2aYigit Boyar @Override 2758edcb0bdeaba6931f9d8154f0c81f57da7ddab2aYigit Boyar public void run() { 2768edcb0bdeaba6931f9d8154f0c81f57da7ddab2aYigit Boyar mRecyclerView.smoothScrollToPosition(position); 2778edcb0bdeaba6931f9d8154f0c81f57da7ddab2aYigit Boyar } 2788edcb0bdeaba6931f9d8154f0c81f57da7ddab2aYigit Boyar }); 2798edcb0bdeaba6931f9d8154f0c81f57da7ddab2aYigit Boyar while (mRecyclerView.getLayoutManager().isSmoothScrolling() || 2808edcb0bdeaba6931f9d8154f0c81f57da7ddab2aYigit Boyar mRecyclerView.getScrollState() != RecyclerView.SCROLL_STATE_IDLE) { 2818edcb0bdeaba6931f9d8154f0c81f57da7ddab2aYigit Boyar if (mDebug) { 2828edcb0bdeaba6931f9d8154f0c81f57da7ddab2aYigit Boyar Log.d(TAG, "SMOOTH scrolling step"); 2838edcb0bdeaba6931f9d8154f0c81f57da7ddab2aYigit Boyar } 2848edcb0bdeaba6931f9d8154f0c81f57da7ddab2aYigit Boyar Thread.sleep(200); 2858edcb0bdeaba6931f9d8154f0c81f57da7ddab2aYigit Boyar } 2868edcb0bdeaba6931f9d8154f0c81f57da7ddab2aYigit Boyar Log.d(TAG, "SMOOTH scrolling done"); 287504c54ea52c1b2aae6f8f4ae128f1dcaac7e3f6aYigit Boyar getInstrumentation().waitForIdleSync(); 2888edcb0bdeaba6931f9d8154f0c81f57da7ddab2aYigit Boyar } 2898edcb0bdeaba6931f9d8154f0c81f57da7ddab2aYigit Boyar 290d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase class TestViewHolder extends RecyclerView.ViewHolder { 291d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase 292115ba0c7b2a14aa4cd0273952195e1d8f6468f87Yigit Boyar Item mBoundItem; 293d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase 294d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase public TestViewHolder(View itemView) { 295d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase super(itemView); 296310e95e1c6dfe4f26ef594233e65e1ff83e0f1ffYigit Boyar itemView.setFocusable(true); 297d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase } 298504c54ea52c1b2aae6f8f4ae128f1dcaac7e3f6aYigit Boyar 299504c54ea52c1b2aae6f8f4ae128f1dcaac7e3f6aYigit Boyar @Override 300504c54ea52c1b2aae6f8f4ae128f1dcaac7e3f6aYigit Boyar public String toString() { 301115ba0c7b2a14aa4cd0273952195e1d8f6468f87Yigit Boyar return super.toString() + " item:" + mBoundItem; 302504c54ea52c1b2aae6f8f4ae128f1dcaac7e3f6aYigit Boyar } 303d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase } 304d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase 305d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase class TestLayoutManager extends RecyclerView.LayoutManager { 306d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase 307d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase CountDownLatch layoutLatch; 308d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase 309d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase public void expectLayouts(int count) { 310d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase layoutLatch = new CountDownLatch(count); 311d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase } 312d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase 313b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar public void waitForLayout(long timeout, TimeUnit timeUnit) throws Throwable { 314b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar layoutLatch.await(timeout * (mDebug ? 100 : 1), timeUnit); 315d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase assertEquals("all expected layouts should be executed at the expected time", 316d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase 0, layoutLatch.getCount()); 317e0c347f627f8a78d3e5e3e5eaac9c3ae26208689Yigit Boyar getInstrumentation().waitForIdleSync(); 318d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase } 319d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase 320b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar public void assertLayoutCount(int count, String msg, long timeout) throws Throwable { 321b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar layoutLatch.await(timeout, TimeUnit.SECONDS); 322b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar assertEquals(msg, count, layoutLatch.getCount()); 323b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar } 324b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar 325b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar public void assertNoLayout(String msg, long timeout) throws Throwable { 326b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar layoutLatch.await(timeout, TimeUnit.SECONDS); 327b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar assertFalse(msg, layoutLatch.getCount() == 0); 328b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar } 329b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar 330b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar public void waitForLayout(long timeout) throws Throwable { 3318ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar waitForLayout(timeout * (mDebug ? 10000 : 1), TimeUnit.SECONDS); 332b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar } 333b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar 334d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase @Override 335d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase public RecyclerView.LayoutParams generateDefaultLayoutParams() { 336d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase return new RecyclerView.LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT, 337d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase ViewGroup.LayoutParams.WRAP_CONTENT); 338d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase } 339d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase 340d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase void assertVisibleItemPositions() { 341d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase int i = getChildCount(); 342d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase TestAdapter testAdapter = (TestAdapter) mRecyclerView.getAdapter(); 343d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase while (i-- > 0) { 344d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase View view = getChildAt(i); 345d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase RecyclerView.LayoutParams lp = (RecyclerView.LayoutParams) view.getLayoutParams(); 346115ba0c7b2a14aa4cd0273952195e1d8f6468f87Yigit Boyar Item item = ((TestViewHolder) lp.mViewHolder).mBoundItem; 347b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar if (mDebug) { 348d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase Log.d(TAG, "testing item " + i); 349d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase } 3508ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar if (!lp.isItemRemoved()) { 3518ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar RecyclerView.ViewHolder vh = mRecyclerView.getChildViewHolder(view); 3528ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar assertSame("item position in LP should match adapter value :" + vh, 3538ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar testAdapter.mItems.get(vh.mPosition), item); 3548ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar } 355d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase } 356d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase } 357d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase 358b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar RecyclerView.LayoutParams getLp(View v) { 359b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar return (RecyclerView.LayoutParams) v.getLayoutParams(); 360b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar } 361b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar 362f485be9def4c0f72cfdfa6b0c616c23f04652817Yigit Boyar void layoutRange(RecyclerView.Recycler recycler, int start, int end) { 363fe3996cf5af65fe11cc3ed47b67123ec267bd336Yigit Boyar assertScrap(recycler); 364b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar if (mDebug) { 365d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase Log.d(TAG, "will layout items from " + start + " to " + end); 366d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase } 3675ced882cabdcefbb469e332f6f73983999aad0e5Yigit Boyar int diff = end > start ? 1 : -1; 368504c54ea52c1b2aae6f8f4ae128f1dcaac7e3f6aYigit Boyar int top = 0; 3695ced882cabdcefbb469e332f6f73983999aad0e5Yigit Boyar for (int i = start; i != end; i+=diff) { 370b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar if (mDebug) { 371d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase Log.d(TAG, "laying out item " + i); 372d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase } 373d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase View view = recycler.getViewForPosition(i); 374b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar assertNotNull("view should not be null for valid position. " 375b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar + "got null view at position " + i, view); 376c8b0ff5869e17a656a3a1d7fb306efa5b99fa07fYigit Boyar if (!mRecyclerView.mState.isPreLayout()) { 377c8b0ff5869e17a656a3a1d7fb306efa5b99fa07fYigit Boyar RecyclerView.LayoutParams layoutParams = (RecyclerView.LayoutParams) view 378c8b0ff5869e17a656a3a1d7fb306efa5b99fa07fYigit Boyar .getLayoutParams(); 379c8b0ff5869e17a656a3a1d7fb306efa5b99fa07fYigit Boyar assertFalse("In post layout, getViewForPosition should never return a view " 380c8b0ff5869e17a656a3a1d7fb306efa5b99fa07fYigit Boyar + "that is removed", layoutParams != null 381c8b0ff5869e17a656a3a1d7fb306efa5b99fa07fYigit Boyar && layoutParams.isItemRemoved()); 382c8b0ff5869e17a656a3a1d7fb306efa5b99fa07fYigit Boyar 383b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar } 3848da5bba529a2fe9bd2aafab28010e11ec4de93c7Yigit Boyar assertEquals("getViewForPosition should return correct position", 3858da5bba529a2fe9bd2aafab28010e11ec4de93c7Yigit Boyar i, getPosition(view)); 386c8b0ff5869e17a656a3a1d7fb306efa5b99fa07fYigit Boyar addView(view); 387b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar 388d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase measureChildWithMargins(view, 0, 0); 389504c54ea52c1b2aae6f8f4ae128f1dcaac7e3f6aYigit Boyar layoutDecorated(view, 0, top, getDecoratedMeasuredWidth(view) 390504c54ea52c1b2aae6f8f4ae128f1dcaac7e3f6aYigit Boyar , top + getDecoratedMeasuredHeight(view)); 391504c54ea52c1b2aae6f8f4ae128f1dcaac7e3f6aYigit Boyar top += view.getMeasuredHeight(); 392d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase } 393d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase } 394fe3996cf5af65fe11cc3ed47b67123ec267bd336Yigit Boyar 395fe3996cf5af65fe11cc3ed47b67123ec267bd336Yigit Boyar private void assertScrap(RecyclerView.Recycler recycler) { 396e0c347f627f8a78d3e5e3e5eaac9c3ae26208689Yigit Boyar if (mRecyclerView.getAdapter() != null && 397e0c347f627f8a78d3e5e3e5eaac9c3ae26208689Yigit Boyar !mRecyclerView.getAdapter().hasStableIds()) { 398e0c347f627f8a78d3e5e3e5eaac9c3ae26208689Yigit Boyar for (RecyclerView.ViewHolder viewHolder : recycler.getScrapList()) { 399e0c347f627f8a78d3e5e3e5eaac9c3ae26208689Yigit Boyar assertFalse("Invalid scrap should be no kept", viewHolder.isInvalid()); 400e0c347f627f8a78d3e5e3e5eaac9c3ae26208689Yigit Boyar } 401fe3996cf5af65fe11cc3ed47b67123ec267bd336Yigit Boyar } 402fe3996cf5af65fe11cc3ed47b67123ec267bd336Yigit Boyar } 403bb6ebab3b3b85ec20b3bc262289a2460705322f5Yigit Boyar 404bb6ebab3b3b85ec20b3bc262289a2460705322f5Yigit Boyar @Override 405bb6ebab3b3b85ec20b3bc262289a2460705322f5Yigit Boyar public boolean canScrollHorizontally() { 406bb6ebab3b3b85ec20b3bc262289a2460705322f5Yigit Boyar return true; 407bb6ebab3b3b85ec20b3bc262289a2460705322f5Yigit Boyar } 408bb6ebab3b3b85ec20b3bc262289a2460705322f5Yigit Boyar 409bb6ebab3b3b85ec20b3bc262289a2460705322f5Yigit Boyar @Override 410bb6ebab3b3b85ec20b3bc262289a2460705322f5Yigit Boyar public boolean canScrollVertically() { 411bb6ebab3b3b85ec20b3bc262289a2460705322f5Yigit Boyar return true; 412bb6ebab3b3b85ec20b3bc262289a2460705322f5Yigit Boyar } 413bb6ebab3b3b85ec20b3bc262289a2460705322f5Yigit Boyar 414bb6ebab3b3b85ec20b3bc262289a2460705322f5Yigit Boyar @Override 415bb6ebab3b3b85ec20b3bc262289a2460705322f5Yigit Boyar public int scrollHorizontallyBy(int dx, RecyclerView.Recycler recycler, 416bb6ebab3b3b85ec20b3bc262289a2460705322f5Yigit Boyar RecyclerView.State state) { 417bb6ebab3b3b85ec20b3bc262289a2460705322f5Yigit Boyar return dx; 418bb6ebab3b3b85ec20b3bc262289a2460705322f5Yigit Boyar } 419bb6ebab3b3b85ec20b3bc262289a2460705322f5Yigit Boyar 420bb6ebab3b3b85ec20b3bc262289a2460705322f5Yigit Boyar @Override 421bb6ebab3b3b85ec20b3bc262289a2460705322f5Yigit Boyar public int scrollVerticallyBy(int dy, RecyclerView.Recycler recycler, 422bb6ebab3b3b85ec20b3bc262289a2460705322f5Yigit Boyar RecyclerView.State state) { 423bb6ebab3b3b85ec20b3bc262289a2460705322f5Yigit Boyar return dy; 424bb6ebab3b3b85ec20b3bc262289a2460705322f5Yigit Boyar } 425d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase } 426d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase 427d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase static class Item { 42811b7cfea15306c0d6e4ed7da09f7698df01695dfYigit Boyar final static AtomicInteger idCounter = new AtomicInteger(0); 42911b7cfea15306c0d6e4ed7da09f7698df01695dfYigit Boyar final public int mId = idCounter.incrementAndGet(); 430d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase 4312d2e8d88103866b631eb0f3805da137ebcfb0275Yigit Boyar int mAdapterIndex; 432d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase 4332d2e8d88103866b631eb0f3805da137ebcfb0275Yigit Boyar final String mText; 434d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase 4352d2e8d88103866b631eb0f3805da137ebcfb0275Yigit Boyar Item(int adapterIndex, String text) { 4362d2e8d88103866b631eb0f3805da137ebcfb0275Yigit Boyar mAdapterIndex = adapterIndex; 4372d2e8d88103866b631eb0f3805da137ebcfb0275Yigit Boyar mText = text; 438d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase } 4398ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar 4408ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar @Override 4418ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar public String toString() { 4428ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar return "Item{" + 4438ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar "mId=" + mId + 4442d2e8d88103866b631eb0f3805da137ebcfb0275Yigit Boyar ", originalIndex=" + mAdapterIndex + 4452d2e8d88103866b631eb0f3805da137ebcfb0275Yigit Boyar ", text='" + mText + '\'' + 4468ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar '}'; 4478ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar } 448d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase } 449d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase 45090ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar class TestAdapter extends RecyclerView.Adapter<TestViewHolder> 45190ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar implements AttachDetachCountingAdapter { 452d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase 45390ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar ViewAttachDetachCounter mAttachmentCounter = new ViewAttachDetachCounter(); 454d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase List<Item> mItems; 455d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase 456d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase TestAdapter(int count) { 457d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase mItems = new ArrayList<Item>(count); 458d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase for (int i = 0; i < count; i++) { 459d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase mItems.add(new Item(i, "Item " + i)); 460d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase } 461d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase } 462d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase 463d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase @Override 46490ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar public void onViewAttachedToWindow(TestViewHolder holder) { 46590ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar super.onViewAttachedToWindow(holder); 46690ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar mAttachmentCounter.onViewAttached(holder); 46790ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar } 46890ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar 46990ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar @Override 47090ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar public void onViewDetachedFromWindow(TestViewHolder holder) { 47190ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar super.onViewDetachedFromWindow(holder); 47290ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar mAttachmentCounter.onViewDetached(holder); 47390ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar } 47490ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar 47590ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar @Override 47690ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar public void onAttachedToRecyclerView(RecyclerView recyclerView) { 47790ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar super.onAttachedToRecyclerView(recyclerView); 47890ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar mAttachmentCounter.onAttached(recyclerView); 47990ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar } 48090ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar 48190ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar @Override 48290ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar public void onDetachedFromRecyclerView(RecyclerView recyclerView) { 48390ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar super.onDetachedFromRecyclerView(recyclerView); 48490ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar mAttachmentCounter.onDetached(recyclerView); 48590ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar } 48690ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar 48790ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar @Override 488d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase public TestViewHolder onCreateViewHolder(ViewGroup parent, 489d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase int viewType) { 490d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase return new TestViewHolder(new TextView(parent.getContext())); 491d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase } 492d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase 493d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase @Override 494d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase public void onBindViewHolder(TestViewHolder holder, int position) { 495d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase final Item item = mItems.get(position); 4962d2e8d88103866b631eb0f3805da137ebcfb0275Yigit Boyar ((TextView) (holder.itemView)).setText(item.mText + "(" + item.mAdapterIndex + ")"); 497115ba0c7b2a14aa4cd0273952195e1d8f6468f87Yigit Boyar holder.mBoundItem = item; 498d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase } 499d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase 500b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar public void deleteAndNotify(final int start, final int count) throws Throwable { 501b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar deleteAndNotify(new int[]{start, count}); 502b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar } 503b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar 504b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar /** 505b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar * Deletes items in the given ranges. 506b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar * <p> 507b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar * Note that each operation affects the one after so you should offset them properly. 508b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar * <p> 509b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar * For example, if adapter has 5 items (A,B,C,D,E), and then you call this method with 510b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar * <code>[1, 2],[2, 1]</code>, it will first delete items B,C and the new adapter will be 511b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar * A D E. Then it will delete 2,1 which means it will delete E. 512b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar */ 513b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar public void deleteAndNotify(final int[]... startCountTuples) throws Throwable { 5148ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar for (int[] tuple : startCountTuples) { 5158ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar tuple[1] = -tuple[1]; 5168ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar } 5178ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar new AddRemoveRunnable(startCountTuples).runOnMainThread(); 518d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase } 519d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase 520c8b0ff5869e17a656a3a1d7fb306efa5b99fa07fYigit Boyar @Override 521c8b0ff5869e17a656a3a1d7fb306efa5b99fa07fYigit Boyar public long getItemId(int position) { 522c8b0ff5869e17a656a3a1d7fb306efa5b99fa07fYigit Boyar return hasStableIds() ? mItems.get(position).mId : super.getItemId(position); 523c8b0ff5869e17a656a3a1d7fb306efa5b99fa07fYigit Boyar } 524c8b0ff5869e17a656a3a1d7fb306efa5b99fa07fYigit Boyar 5252d2e8d88103866b631eb0f3805da137ebcfb0275Yigit Boyar public void offsetOriginalIndices(int start, int offset) { 5262d2e8d88103866b631eb0f3805da137ebcfb0275Yigit Boyar for (int i = start; i < mItems.size(); i++) { 5272d2e8d88103866b631eb0f3805da137ebcfb0275Yigit Boyar mItems.get(i).mAdapterIndex += offset; 5282d2e8d88103866b631eb0f3805da137ebcfb0275Yigit Boyar } 5292d2e8d88103866b631eb0f3805da137ebcfb0275Yigit Boyar } 5302d2e8d88103866b631eb0f3805da137ebcfb0275Yigit Boyar 531e0c347f627f8a78d3e5e3e5eaac9c3ae26208689Yigit Boyar /** 532e0c347f627f8a78d3e5e3e5eaac9c3ae26208689Yigit Boyar * @param start inclusive 533e0c347f627f8a78d3e5e3e5eaac9c3ae26208689Yigit Boyar * @param end exclusive 534e0c347f627f8a78d3e5e3e5eaac9c3ae26208689Yigit Boyar * @param offset 535e0c347f627f8a78d3e5e3e5eaac9c3ae26208689Yigit Boyar */ 536e0c347f627f8a78d3e5e3e5eaac9c3ae26208689Yigit Boyar public void offsetOriginalIndicesBetween(int start, int end, int offset) { 537e0c347f627f8a78d3e5e3e5eaac9c3ae26208689Yigit Boyar for (int i = start; i < end && i < mItems.size(); i++) { 538e0c347f627f8a78d3e5e3e5eaac9c3ae26208689Yigit Boyar mItems.get(i).mAdapterIndex += offset; 539e0c347f627f8a78d3e5e3e5eaac9c3ae26208689Yigit Boyar } 540e0c347f627f8a78d3e5e3e5eaac9c3ae26208689Yigit Boyar } 541e0c347f627f8a78d3e5e3e5eaac9c3ae26208689Yigit Boyar 542b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar public void addAndNotify(final int start, final int count) throws Throwable { 543b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar addAndNotify(new int[]{start, count}); 544b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar } 545b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar 546b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar public void addAndNotify(final int[]... startCountTuples) throws Throwable { 5478ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar new AddRemoveRunnable(startCountTuples).runOnMainThread(); 5488ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar } 549b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar 550cadd54707a7aaa4cfa9c8b8051c6185e8717f22eChet Haase public void dispatchDataSetChanged() throws Throwable { 55122b6b8163d2e15eb6d0a89906854dec801945f1dYigit Boyar runTestOnUiThread(new Runnable() { 55222b6b8163d2e15eb6d0a89906854dec801945f1dYigit Boyar @Override 55322b6b8163d2e15eb6d0a89906854dec801945f1dYigit Boyar public void run() { 55422b6b8163d2e15eb6d0a89906854dec801945f1dYigit Boyar notifyDataSetChanged(); 55522b6b8163d2e15eb6d0a89906854dec801945f1dYigit Boyar } 55622b6b8163d2e15eb6d0a89906854dec801945f1dYigit Boyar }); 55722b6b8163d2e15eb6d0a89906854dec801945f1dYigit Boyar } 55822b6b8163d2e15eb6d0a89906854dec801945f1dYigit Boyar 559cadd54707a7aaa4cfa9c8b8051c6185e8717f22eChet Haase public void changeAndNotify(final int start, final int count) throws Throwable { 5607e9da1a2629b657d56e2f54abd18c6249f3be037Yigit Boyar runTestOnUiThread(new Runnable() { 5617e9da1a2629b657d56e2f54abd18c6249f3be037Yigit Boyar @Override 5627e9da1a2629b657d56e2f54abd18c6249f3be037Yigit Boyar public void run() { 5637e9da1a2629b657d56e2f54abd18c6249f3be037Yigit Boyar notifyItemRangeChanged(start, count); 5647e9da1a2629b657d56e2f54abd18c6249f3be037Yigit Boyar } 5657e9da1a2629b657d56e2f54abd18c6249f3be037Yigit Boyar }); 5667e9da1a2629b657d56e2f54abd18c6249f3be037Yigit Boyar } 5677e9da1a2629b657d56e2f54abd18c6249f3be037Yigit Boyar 568cadd54707a7aaa4cfa9c8b8051c6185e8717f22eChet Haase public void changePositionsAndNotify(final int... positions) throws Throwable { 569cadd54707a7aaa4cfa9c8b8051c6185e8717f22eChet Haase runTestOnUiThread(new Runnable() { 570cadd54707a7aaa4cfa9c8b8051c6185e8717f22eChet Haase @Override 571cadd54707a7aaa4cfa9c8b8051c6185e8717f22eChet Haase public void run() { 572cadd54707a7aaa4cfa9c8b8051c6185e8717f22eChet Haase for (int i = 0; i < positions.length; i += 1) { 573cadd54707a7aaa4cfa9c8b8051c6185e8717f22eChet Haase TestAdapter.super.notifyItemRangeChanged(positions[i], 1); 574cadd54707a7aaa4cfa9c8b8051c6185e8717f22eChet Haase } 575cadd54707a7aaa4cfa9c8b8051c6185e8717f22eChet Haase } 576cadd54707a7aaa4cfa9c8b8051c6185e8717f22eChet Haase }); 577cadd54707a7aaa4cfa9c8b8051c6185e8717f22eChet Haase } 578cadd54707a7aaa4cfa9c8b8051c6185e8717f22eChet Haase 5798ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar /** 5808ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar * Similar to other methods but negative count means delete and position count means add. 5818ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar * <p> 5828ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar * For instance, calling this method with <code>[1,1], [2,-1]</code> it will first add an 5838ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar * item to index 1, then remove an item from index 2 (updated index 2) 5848ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar */ 5858ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar public void addDeleteAndNotify(final int[]... startCountTuples) throws Throwable { 5868ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar new AddRemoveRunnable(startCountTuples).runOnMainThread(); 587d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase } 588d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase 589d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase @Override 590d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase public int getItemCount() { 591d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase return mItems.size(); 592d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase } 5938ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar 594115ba0c7b2a14aa4cd0273952195e1d8f6468f87Yigit Boyar /** 595115ba0c7b2a14aa4cd0273952195e1d8f6468f87Yigit Boyar * Uses notifyDataSetChanged 596115ba0c7b2a14aa4cd0273952195e1d8f6468f87Yigit Boyar */ 597e0c347f627f8a78d3e5e3e5eaac9c3ae26208689Yigit Boyar public void moveItems(boolean notifyChange, int[]... fromToTuples) throws Throwable { 598e0c347f627f8a78d3e5e3e5eaac9c3ae26208689Yigit Boyar for (int i = 0; i < fromToTuples.length; i += 1) { 599e0c347f627f8a78d3e5e3e5eaac9c3ae26208689Yigit Boyar int[] tuple = fromToTuples[i]; 600e0c347f627f8a78d3e5e3e5eaac9c3ae26208689Yigit Boyar moveItem(tuple[0], tuple[1], false); 601e0c347f627f8a78d3e5e3e5eaac9c3ae26208689Yigit Boyar } 602e0c347f627f8a78d3e5e3e5eaac9c3ae26208689Yigit Boyar if (notifyChange) { 603cadd54707a7aaa4cfa9c8b8051c6185e8717f22eChet Haase dispatchDataSetChanged(); 604e0c347f627f8a78d3e5e3e5eaac9c3ae26208689Yigit Boyar } 605e0c347f627f8a78d3e5e3e5eaac9c3ae26208689Yigit Boyar } 606e0c347f627f8a78d3e5e3e5eaac9c3ae26208689Yigit Boyar 607115ba0c7b2a14aa4cd0273952195e1d8f6468f87Yigit Boyar /** 608115ba0c7b2a14aa4cd0273952195e1d8f6468f87Yigit Boyar * Uses notifyDataSetChanged 609115ba0c7b2a14aa4cd0273952195e1d8f6468f87Yigit Boyar */ 610e0c347f627f8a78d3e5e3e5eaac9c3ae26208689Yigit Boyar public void moveItem(final int from, final int to, final boolean notifyChange) 611e0c347f627f8a78d3e5e3e5eaac9c3ae26208689Yigit Boyar throws Throwable { 612e0c347f627f8a78d3e5e3e5eaac9c3ae26208689Yigit Boyar runTestOnUiThread(new Runnable() { 613e0c347f627f8a78d3e5e3e5eaac9c3ae26208689Yigit Boyar @Override 614e0c347f627f8a78d3e5e3e5eaac9c3ae26208689Yigit Boyar public void run() { 615e0c347f627f8a78d3e5e3e5eaac9c3ae26208689Yigit Boyar Item item = mItems.remove(from); 616e0c347f627f8a78d3e5e3e5eaac9c3ae26208689Yigit Boyar mItems.add(to, item); 617e0c347f627f8a78d3e5e3e5eaac9c3ae26208689Yigit Boyar offsetOriginalIndices(from, to - 1); 618e0c347f627f8a78d3e5e3e5eaac9c3ae26208689Yigit Boyar item.mAdapterIndex = to; 619e0c347f627f8a78d3e5e3e5eaac9c3ae26208689Yigit Boyar if (notifyChange) { 620e0c347f627f8a78d3e5e3e5eaac9c3ae26208689Yigit Boyar notifyDataSetChanged(); 621e0c347f627f8a78d3e5e3e5eaac9c3ae26208689Yigit Boyar } 622e0c347f627f8a78d3e5e3e5eaac9c3ae26208689Yigit Boyar } 623e0c347f627f8a78d3e5e3e5eaac9c3ae26208689Yigit Boyar }); 624e0c347f627f8a78d3e5e3e5eaac9c3ae26208689Yigit Boyar } 625e0c347f627f8a78d3e5e3e5eaac9c3ae26208689Yigit Boyar 626115ba0c7b2a14aa4cd0273952195e1d8f6468f87Yigit Boyar /** 627115ba0c7b2a14aa4cd0273952195e1d8f6468f87Yigit Boyar * Uses notifyItemMoved 628115ba0c7b2a14aa4cd0273952195e1d8f6468f87Yigit Boyar */ 629115ba0c7b2a14aa4cd0273952195e1d8f6468f87Yigit Boyar public void moveAndNotify(final int from, final int to) throws Throwable { 630115ba0c7b2a14aa4cd0273952195e1d8f6468f87Yigit Boyar runTestOnUiThread(new Runnable() { 631115ba0c7b2a14aa4cd0273952195e1d8f6468f87Yigit Boyar @Override 632115ba0c7b2a14aa4cd0273952195e1d8f6468f87Yigit Boyar public void run() { 633115ba0c7b2a14aa4cd0273952195e1d8f6468f87Yigit Boyar Item item = mItems.remove(from); 634115ba0c7b2a14aa4cd0273952195e1d8f6468f87Yigit Boyar mItems.add(to, item); 635115ba0c7b2a14aa4cd0273952195e1d8f6468f87Yigit Boyar offsetOriginalIndices(from, to - 1); 636115ba0c7b2a14aa4cd0273952195e1d8f6468f87Yigit Boyar item.mAdapterIndex = to; 637115ba0c7b2a14aa4cd0273952195e1d8f6468f87Yigit Boyar notifyItemMoved(from, to); 638115ba0c7b2a14aa4cd0273952195e1d8f6468f87Yigit Boyar } 639115ba0c7b2a14aa4cd0273952195e1d8f6468f87Yigit Boyar }); 640115ba0c7b2a14aa4cd0273952195e1d8f6468f87Yigit Boyar } 641115ba0c7b2a14aa4cd0273952195e1d8f6468f87Yigit Boyar 642115ba0c7b2a14aa4cd0273952195e1d8f6468f87Yigit Boyar 643115ba0c7b2a14aa4cd0273952195e1d8f6468f87Yigit Boyar 64490ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar @Override 64590ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar public ViewAttachDetachCounter getCounter() { 64690ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar return mAttachmentCounter; 64790ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar } 64890ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar 6498ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar 6508ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar private class AddRemoveRunnable implements Runnable { 6518ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar final int[][] mStartCountTuples; 6528ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar 6538ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar public AddRemoveRunnable(int[][] startCountTuples) { 6548ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar mStartCountTuples = startCountTuples; 6558ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar } 6568ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar 6578ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar public void runOnMainThread() throws Throwable { 6588ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar if (Looper.myLooper() == Looper.getMainLooper()) { 6598ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar run(); 6608ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar } else { 6618ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar runTestOnUiThread(this); 6628ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar } 6638ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar } 6648ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar 6658ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar @Override 6668ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar public void run() { 6678ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar for (int[] tuple : mStartCountTuples) { 6688ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar if (tuple[1] < 0) { 6698ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar delete(tuple); 6708ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar } else { 6718ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar add(tuple); 6728ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar } 6738ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar } 6748ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar } 6758ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar 6768ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar private void add(int[] tuple) { 6772d2e8d88103866b631eb0f3805da137ebcfb0275Yigit Boyar // offset others 6782d2e8d88103866b631eb0f3805da137ebcfb0275Yigit Boyar offsetOriginalIndices(tuple[0], tuple[1]); 6798ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar for (int i = 0; i < tuple[1]; i++) { 6808ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar mItems.add(tuple[0], new Item(i, "new item " + i)); 6818ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar } 6828ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar notifyItemRangeInserted(tuple[0], tuple[1]); 6838ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar } 6848ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar 6858ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar private void delete(int[] tuple) { 6862d2e8d88103866b631eb0f3805da137ebcfb0275Yigit Boyar final int count = -tuple[1]; 6872d2e8d88103866b631eb0f3805da137ebcfb0275Yigit Boyar offsetOriginalIndices(tuple[0] + count, tuple[1]); 6882d2e8d88103866b631eb0f3805da137ebcfb0275Yigit Boyar for (int i = 0; i < count; i++) { 6898ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar mItems.remove(tuple[0]); 6908ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar } 6912d2e8d88103866b631eb0f3805da137ebcfb0275Yigit Boyar notifyItemRangeRemoved(tuple[0], count); 6928ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar } 6938ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar } 6948ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar } 6958ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar 69690ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar public boolean isMainThread() { 69790ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar return Looper.myLooper() == Looper.getMainLooper(); 69890ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar } 69990ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar 7008ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar @Override 7018ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar public void runTestOnUiThread(Runnable r) throws Throwable { 7028ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar if (Looper.myLooper() == Looper.getMainLooper()) { 7038ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar r.run(); 7048ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar } else { 7058ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar super.runTestOnUiThread(r); 7068ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar } 707d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase } 708c50c4cad31d73e574b27bb3d7581542975e37263Yigit Boyar 709c50c4cad31d73e574b27bb3d7581542975e37263Yigit Boyar static class TargetTuple { 710c50c4cad31d73e574b27bb3d7581542975e37263Yigit Boyar 711c50c4cad31d73e574b27bb3d7581542975e37263Yigit Boyar final int mPosition; 712c50c4cad31d73e574b27bb3d7581542975e37263Yigit Boyar 713c50c4cad31d73e574b27bb3d7581542975e37263Yigit Boyar final int mLayoutDirection; 714c50c4cad31d73e574b27bb3d7581542975e37263Yigit Boyar 715c50c4cad31d73e574b27bb3d7581542975e37263Yigit Boyar TargetTuple(int position, int layoutDirection) { 716c50c4cad31d73e574b27bb3d7581542975e37263Yigit Boyar this.mPosition = position; 717c50c4cad31d73e574b27bb3d7581542975e37263Yigit Boyar this.mLayoutDirection = layoutDirection; 718c50c4cad31d73e574b27bb3d7581542975e37263Yigit Boyar } 719c50c4cad31d73e574b27bb3d7581542975e37263Yigit Boyar 720c50c4cad31d73e574b27bb3d7581542975e37263Yigit Boyar @Override 721c50c4cad31d73e574b27bb3d7581542975e37263Yigit Boyar public String toString() { 722c50c4cad31d73e574b27bb3d7581542975e37263Yigit Boyar return "TargetTuple{" + 723c50c4cad31d73e574b27bb3d7581542975e37263Yigit Boyar "mPosition=" + mPosition + 724c50c4cad31d73e574b27bb3d7581542975e37263Yigit Boyar ", mLayoutDirection=" + mLayoutDirection + 725c50c4cad31d73e574b27bb3d7581542975e37263Yigit Boyar '}'; 726c50c4cad31d73e574b27bb3d7581542975e37263Yigit Boyar } 727c50c4cad31d73e574b27bb3d7581542975e37263Yigit Boyar } 72890ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar 72990ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar public interface AttachDetachCountingAdapter { 73090ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar 73190ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar ViewAttachDetachCounter getCounter(); 73290ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar } 73390ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar 73490ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar public class ViewAttachDetachCounter { 73590ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar 73690ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar Set<RecyclerView.ViewHolder> mAttachedSet = new HashSet<RecyclerView.ViewHolder>(); 73790ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar 73890ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar public void validateRemaining(RecyclerView recyclerView) { 73990ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar final int childCount = recyclerView.getChildCount(); 74090ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar for (int i = 0; i < childCount; i++) { 74190ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar View view = recyclerView.getChildAt(i); 74290ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar RecyclerView.ViewHolder vh = recyclerView.getChildViewHolder(view); 74390ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar assertTrue("remaining view should be in attached set " + vh, 74490ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar mAttachedSet.contains(vh)); 74590ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar } 74690ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar assertEquals("there should not be any views left in attached set", 74790ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar childCount, mAttachedSet.size()); 74890ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar } 74990ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar 75090ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar public void onViewDetached(RecyclerView.ViewHolder viewHolder) { 75190ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar try { 75290ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar assertTrue("view holder should be in attached set", 75390ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar mAttachedSet.remove(viewHolder)); 75490ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar } catch (Throwable t) { 75590ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar postExceptionToInstrumentation(t); 75690ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar } 75790ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar } 75890ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar 75990ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar public void onViewAttached(RecyclerView.ViewHolder viewHolder) { 76090ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar try { 76190ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar assertTrue("view holder should not be in attached set", 76290ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar mAttachedSet.add(viewHolder)); 76390ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar } catch (Throwable t) { 76490ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar postExceptionToInstrumentation(t); 76590ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar } 76690ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar } 76790ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar 76890ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar public void onAttached(RecyclerView recyclerView) { 76990ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar // when a new RV is attached, clear the set and add all view holders 77090ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar mAttachedSet.clear(); 77190ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar final int childCount = recyclerView.getChildCount(); 77290ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar for (int i = 0; i < childCount; i ++) { 77390ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar View view = recyclerView.getChildAt(i); 77490ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar mAttachedSet.add(recyclerView.getChildViewHolder(view)); 77590ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar } 77690ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar } 77790ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar 77890ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar public void onDetached(RecyclerView recyclerView) { 77990ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar validateRemaining(recyclerView); 78090ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar } 78190ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar } 7827a59e4b36500bcfddd842376d6c3abe0d9f23d84Yigit Boyar} 783