BaseRecyclerViewInstrumentationTest.java revision e2437126f0225135891544315ff72e54c7de0f59
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; 2090ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyarimport android.os.Debug; 218ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyarimport android.os.Looper; 22e2437126f0225135891544315ff72e54c7de0f59Yigit Boyarimport android.support.v4.view.ViewCompat; 23d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haaseimport android.test.ActivityInstrumentationTestCase2; 24d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haaseimport android.util.Log; 25d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haaseimport android.view.View; 26d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haaseimport android.view.ViewGroup; 27310e95e1c6dfe4f26ef594233e65e1ff83e0f1ffYigit Boyarimport android.widget.FrameLayout; 28d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haaseimport android.widget.TextView; 29d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase 30d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haaseimport java.util.ArrayList; 3190ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyarimport java.util.HashMap; 3290ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyarimport java.util.HashSet; 33d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haaseimport java.util.List; 3490ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyarimport java.util.Set; 35d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haaseimport java.util.concurrent.CountDownLatch; 36d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haaseimport java.util.concurrent.TimeUnit; 3711b7cfea15306c0d6e4ed7da09f7698df01695dfYigit Boyarimport java.util.concurrent.atomic.AtomicInteger; 38d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase 39d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haaseabstract public class BaseRecyclerViewInstrumentationTest extends 40d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase ActivityInstrumentationTestCase2<TestActivity> { 41d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase 42d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase private static final String TAG = "RecyclerViewTest"; 43d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase 44b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar private boolean mDebug; 45b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar 46b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar protected RecyclerView mRecyclerView; 47d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase 488ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar protected AdapterHelper mAdapterHelper; 498ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar 507e9da1a2629b657d56e2f54abd18c6249f3be037Yigit Boyar Throwable mainThreadException; 517e9da1a2629b657d56e2f54abd18c6249f3be037Yigit Boyar 52d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase public BaseRecyclerViewInstrumentationTest() { 53b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar this(false); 54b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar } 55b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar 56b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar public BaseRecyclerViewInstrumentationTest(boolean debug) { 578ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar super("android.support.v7.recyclerview", TestActivity.class); 58b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar mDebug = debug; 59b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar } 60b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar 617e9da1a2629b657d56e2f54abd18c6249f3be037Yigit Boyar void checkForMainThreadException() throws Throwable { 627e9da1a2629b657d56e2f54abd18c6249f3be037Yigit Boyar if (mainThreadException != null) { 637e9da1a2629b657d56e2f54abd18c6249f3be037Yigit Boyar throw mainThreadException; 647e9da1a2629b657d56e2f54abd18c6249f3be037Yigit Boyar } 657e9da1a2629b657d56e2f54abd18c6249f3be037Yigit Boyar } 667e9da1a2629b657d56e2f54abd18c6249f3be037Yigit Boyar 67e2437126f0225135891544315ff72e54c7de0f59Yigit Boyar void setHasTransientState(final View view, final boolean value) { 68e2437126f0225135891544315ff72e54c7de0f59Yigit Boyar try { 69e2437126f0225135891544315ff72e54c7de0f59Yigit Boyar runTestOnUiThread(new Runnable() { 70e2437126f0225135891544315ff72e54c7de0f59Yigit Boyar @Override 71e2437126f0225135891544315ff72e54c7de0f59Yigit Boyar public void run() { 72e2437126f0225135891544315ff72e54c7de0f59Yigit Boyar ViewCompat.setHasTransientState(view, value); 73e2437126f0225135891544315ff72e54c7de0f59Yigit Boyar } 74e2437126f0225135891544315ff72e54c7de0f59Yigit Boyar }); 75e2437126f0225135891544315ff72e54c7de0f59Yigit Boyar } catch (Throwable throwable) { 76e2437126f0225135891544315ff72e54c7de0f59Yigit Boyar Log.e(TAG, "", throwable); 77e2437126f0225135891544315ff72e54c7de0f59Yigit Boyar } 78e2437126f0225135891544315ff72e54c7de0f59Yigit Boyar } 79e2437126f0225135891544315ff72e54c7de0f59Yigit Boyar 800b1059b711009601ff08354e2df6bfc45266e80aYigit Boyar void setAdapter(final RecyclerView.Adapter adapter) throws Throwable { 810b1059b711009601ff08354e2df6bfc45266e80aYigit Boyar runTestOnUiThread(new Runnable() { 820b1059b711009601ff08354e2df6bfc45266e80aYigit Boyar @Override 830b1059b711009601ff08354e2df6bfc45266e80aYigit Boyar public void run() { 840b1059b711009601ff08354e2df6bfc45266e80aYigit Boyar mRecyclerView.setAdapter(adapter); 850b1059b711009601ff08354e2df6bfc45266e80aYigit Boyar } 860b1059b711009601ff08354e2df6bfc45266e80aYigit Boyar }); 870b1059b711009601ff08354e2df6bfc45266e80aYigit Boyar } 880b1059b711009601ff08354e2df6bfc45266e80aYigit Boyar 890b1059b711009601ff08354e2df6bfc45266e80aYigit Boyar void swapAdapter(final RecyclerView.Adapter adapter, 900b1059b711009601ff08354e2df6bfc45266e80aYigit Boyar final boolean removeAndRecycleExistingViews) throws Throwable { 910b1059b711009601ff08354e2df6bfc45266e80aYigit Boyar runTestOnUiThread(new Runnable() { 920b1059b711009601ff08354e2df6bfc45266e80aYigit Boyar @Override 930b1059b711009601ff08354e2df6bfc45266e80aYigit Boyar public void run() { 94824a7db96feacf3b68f56993ed72712bc935153eYigit Boyar try { 95824a7db96feacf3b68f56993ed72712bc935153eYigit Boyar mRecyclerView.swapAdapter(adapter, removeAndRecycleExistingViews); 96824a7db96feacf3b68f56993ed72712bc935153eYigit Boyar } catch (Throwable t) { 97824a7db96feacf3b68f56993ed72712bc935153eYigit Boyar postExceptionToInstrumentation(t); 98824a7db96feacf3b68f56993ed72712bc935153eYigit Boyar } 990b1059b711009601ff08354e2df6bfc45266e80aYigit Boyar } 1000b1059b711009601ff08354e2df6bfc45266e80aYigit Boyar }); 101824a7db96feacf3b68f56993ed72712bc935153eYigit Boyar checkForMainThreadException(); 1020b1059b711009601ff08354e2df6bfc45266e80aYigit Boyar } 1030b1059b711009601ff08354e2df6bfc45266e80aYigit Boyar 1047e9da1a2629b657d56e2f54abd18c6249f3be037Yigit Boyar void postExceptionToInstrumentation(Throwable t) { 1056e83751247c5be0211d7bffaf057431c03dfef38Yigit Boyar if (mainThreadException != null) { 1066e83751247c5be0211d7bffaf057431c03dfef38Yigit Boyar Log.e(TAG, "receiving another main thread exception. dropping.", t); 1076e83751247c5be0211d7bffaf057431c03dfef38Yigit Boyar } else { 10890ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar Log.e(TAG, "captured exception on main thread", t); 1096e83751247c5be0211d7bffaf057431c03dfef38Yigit Boyar mainThreadException = t; 1106e83751247c5be0211d7bffaf057431c03dfef38Yigit Boyar } 1116e83751247c5be0211d7bffaf057431c03dfef38Yigit Boyar 1127e9da1a2629b657d56e2f54abd18c6249f3be037Yigit Boyar if (mRecyclerView != null && mRecyclerView 1137e9da1a2629b657d56e2f54abd18c6249f3be037Yigit Boyar .getLayoutManager() instanceof TestLayoutManager) { 1147e9da1a2629b657d56e2f54abd18c6249f3be037Yigit Boyar TestLayoutManager lm = (TestLayoutManager) mRecyclerView.getLayoutManager(); 1157e9da1a2629b657d56e2f54abd18c6249f3be037Yigit Boyar // finish all layouts so that we get the correct exception 1167e9da1a2629b657d56e2f54abd18c6249f3be037Yigit Boyar while (lm.layoutLatch.getCount() > 0) { 1177e9da1a2629b657d56e2f54abd18c6249f3be037Yigit Boyar lm.layoutLatch.countDown(); 1187e9da1a2629b657d56e2f54abd18c6249f3be037Yigit Boyar } 1197e9da1a2629b657d56e2f54abd18c6249f3be037Yigit Boyar } 1207e9da1a2629b657d56e2f54abd18c6249f3be037Yigit Boyar } 1217e9da1a2629b657d56e2f54abd18c6249f3be037Yigit Boyar 1228ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar @Override 1238ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar protected void tearDown() throws Exception { 1248ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar if (mRecyclerView != null) { 1258ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar try { 1268ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar removeRecyclerView(); 1278ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar } catch (Throwable throwable) { 1288ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar throwable.printStackTrace(); 1298ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar } 1308ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar } 1318ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar getInstrumentation().waitForIdleSync(); 132ca9ce7ccdccf6b6a2a81da73dd1e6425d90e4b23Yigit Boyar super.tearDown(); 133ca9ce7ccdccf6b6a2a81da73dd1e6425d90e4b23Yigit Boyar 1346e83751247c5be0211d7bffaf057431c03dfef38Yigit Boyar try { 1356e83751247c5be0211d7bffaf057431c03dfef38Yigit Boyar checkForMainThreadException(); 1366e83751247c5be0211d7bffaf057431c03dfef38Yigit Boyar } catch (Exception e) { 1376e83751247c5be0211d7bffaf057431c03dfef38Yigit Boyar throw e; 1386e83751247c5be0211d7bffaf057431c03dfef38Yigit Boyar } catch (Throwable throwable) { 139ca9ce7ccdccf6b6a2a81da73dd1e6425d90e4b23Yigit Boyar throw new Exception(throwable); 1406e83751247c5be0211d7bffaf057431c03dfef38Yigit Boyar } 1418ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar } 1428ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar 143c50c4cad31d73e574b27bb3d7581542975e37263Yigit Boyar public Rect getDecoratedRecyclerViewBounds() { 144c50c4cad31d73e574b27bb3d7581542975e37263Yigit Boyar return new Rect( 145c50c4cad31d73e574b27bb3d7581542975e37263Yigit Boyar mRecyclerView.getPaddingLeft(), 146c50c4cad31d73e574b27bb3d7581542975e37263Yigit Boyar mRecyclerView.getPaddingTop(), 147c50c4cad31d73e574b27bb3d7581542975e37263Yigit Boyar mRecyclerView.getPaddingLeft() + mRecyclerView.getWidth(), 148c50c4cad31d73e574b27bb3d7581542975e37263Yigit Boyar mRecyclerView.getPaddingTop() + mRecyclerView.getHeight() 149c50c4cad31d73e574b27bb3d7581542975e37263Yigit Boyar ); 150c50c4cad31d73e574b27bb3d7581542975e37263Yigit Boyar } 151c50c4cad31d73e574b27bb3d7581542975e37263Yigit Boyar 152b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar public void removeRecyclerView() throws Throwable { 153d7e2f2ab1d253133fa54f309e74a7ee384c33971Yigit Boyar if (mRecyclerView == null) { 154d7e2f2ab1d253133fa54f309e74a7ee384c33971Yigit Boyar return; 155d7e2f2ab1d253133fa54f309e74a7ee384c33971Yigit Boyar } 15690ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar if (!isMainThread()) { 15790ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar getInstrumentation().waitForIdleSync(); 15890ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar } 159b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar runTestOnUiThread(new Runnable() { 160b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar @Override 161b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar public void run() { 16290ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar final RecyclerView.Adapter adapter = mRecyclerView.getAdapter(); 16390ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar if (adapter instanceof AttachDetachCountingAdapter) { 16490ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar ((AttachDetachCountingAdapter) adapter).getCounter() 16590ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar .validateRemaining(mRecyclerView); 16690ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar } 167b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar getActivity().mContainer.removeAllViews(); 168b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar } 169b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar }); 17090ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar mRecyclerView = null; 171b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar } 172b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar 173504c54ea52c1b2aae6f8f4ae128f1dcaac7e3f6aYigit Boyar void waitForAnimations(int seconds) throws InterruptedException { 174504c54ea52c1b2aae6f8f4ae128f1dcaac7e3f6aYigit Boyar final CountDownLatch latch = new CountDownLatch(2); 175504c54ea52c1b2aae6f8f4ae128f1dcaac7e3f6aYigit Boyar boolean running = mRecyclerView.mItemAnimator 176504c54ea52c1b2aae6f8f4ae128f1dcaac7e3f6aYigit Boyar .isRunning(new RecyclerView.ItemAnimator.ItemAnimatorFinishedListener() { 177504c54ea52c1b2aae6f8f4ae128f1dcaac7e3f6aYigit Boyar @Override 178504c54ea52c1b2aae6f8f4ae128f1dcaac7e3f6aYigit Boyar public void onAnimationsFinished() { 179504c54ea52c1b2aae6f8f4ae128f1dcaac7e3f6aYigit Boyar latch.countDown(); 180504c54ea52c1b2aae6f8f4ae128f1dcaac7e3f6aYigit Boyar } 181504c54ea52c1b2aae6f8f4ae128f1dcaac7e3f6aYigit Boyar }); 182504c54ea52c1b2aae6f8f4ae128f1dcaac7e3f6aYigit Boyar if (running) { 183504c54ea52c1b2aae6f8f4ae128f1dcaac7e3f6aYigit Boyar latch.await(seconds, TimeUnit.SECONDS); 184504c54ea52c1b2aae6f8f4ae128f1dcaac7e3f6aYigit Boyar } 185504c54ea52c1b2aae6f8f4ae128f1dcaac7e3f6aYigit Boyar } 186504c54ea52c1b2aae6f8f4ae128f1dcaac7e3f6aYigit Boyar 187b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar public void setRecyclerView(final RecyclerView recyclerView) throws Throwable { 1880b1059b711009601ff08354e2df6bfc45266e80aYigit Boyar setRecyclerView(recyclerView, true); 1890b1059b711009601ff08354e2df6bfc45266e80aYigit Boyar } 1900b1059b711009601ff08354e2df6bfc45266e80aYigit Boyar public void setRecyclerView(final RecyclerView recyclerView, boolean assignDummyPool) 1910b1059b711009601ff08354e2df6bfc45266e80aYigit Boyar throws Throwable { 192b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar mRecyclerView = recyclerView; 1930b1059b711009601ff08354e2df6bfc45266e80aYigit Boyar if (assignDummyPool) { 1940b1059b711009601ff08354e2df6bfc45266e80aYigit Boyar RecyclerView.RecycledViewPool pool = new RecyclerView.RecycledViewPool() { 1950b1059b711009601ff08354e2df6bfc45266e80aYigit Boyar @Override 1960b1059b711009601ff08354e2df6bfc45266e80aYigit Boyar public RecyclerView.ViewHolder getRecycledView(int viewType) { 1970b1059b711009601ff08354e2df6bfc45266e80aYigit Boyar RecyclerView.ViewHolder viewHolder = super.getRecycledView(viewType); 1980b1059b711009601ff08354e2df6bfc45266e80aYigit Boyar if (viewHolder == null) { 1990b1059b711009601ff08354e2df6bfc45266e80aYigit Boyar return null; 2000b1059b711009601ff08354e2df6bfc45266e80aYigit Boyar } 2010b1059b711009601ff08354e2df6bfc45266e80aYigit Boyar viewHolder.addFlags(RecyclerView.ViewHolder.FLAG_BOUND); 2020b1059b711009601ff08354e2df6bfc45266e80aYigit Boyar viewHolder.mPosition = 200; 2030b1059b711009601ff08354e2df6bfc45266e80aYigit Boyar viewHolder.mOldPosition = 300; 2040b1059b711009601ff08354e2df6bfc45266e80aYigit Boyar viewHolder.mPreLayoutPosition = 500; 2050b1059b711009601ff08354e2df6bfc45266e80aYigit Boyar return viewHolder; 2068da5bba529a2fe9bd2aafab28010e11ec4de93c7Yigit Boyar } 2078da5bba529a2fe9bd2aafab28010e11ec4de93c7Yigit Boyar 2080b1059b711009601ff08354e2df6bfc45266e80aYigit Boyar @Override 2090b1059b711009601ff08354e2df6bfc45266e80aYigit Boyar public void putRecycledView(RecyclerView.ViewHolder scrap) { 2100b1059b711009601ff08354e2df6bfc45266e80aYigit Boyar super.putRecycledView(scrap); 2110b1059b711009601ff08354e2df6bfc45266e80aYigit Boyar } 2120b1059b711009601ff08354e2df6bfc45266e80aYigit Boyar }; 2130b1059b711009601ff08354e2df6bfc45266e80aYigit Boyar mRecyclerView.setRecycledViewPool(pool); 2140b1059b711009601ff08354e2df6bfc45266e80aYigit Boyar } 2158ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar mAdapterHelper = recyclerView.mAdapterHelper; 216b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar runTestOnUiThread(new Runnable() { 217b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar @Override 218b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar public void run() { 219b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar getActivity().mContainer.addView(recyclerView); 220b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar } 221b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar }); 222b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar } 223b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar 224310e95e1c6dfe4f26ef594233e65e1ff83e0f1ffYigit Boyar protected FrameLayout getRecyclerViewContainer() { 225310e95e1c6dfe4f26ef594233e65e1ff83e0f1ffYigit Boyar return getActivity().mContainer; 226310e95e1c6dfe4f26ef594233e65e1ff83e0f1ffYigit Boyar } 227310e95e1c6dfe4f26ef594233e65e1ff83e0f1ffYigit Boyar 228e2437126f0225135891544315ff72e54c7de0f59Yigit Boyar public void requestLayoutOnUIThread(final View view) { 229e2437126f0225135891544315ff72e54c7de0f59Yigit Boyar try { 230e2437126f0225135891544315ff72e54c7de0f59Yigit Boyar runTestOnUiThread(new Runnable() { 231e2437126f0225135891544315ff72e54c7de0f59Yigit Boyar @Override 232e2437126f0225135891544315ff72e54c7de0f59Yigit Boyar public void run() { 233e2437126f0225135891544315ff72e54c7de0f59Yigit Boyar view.requestLayout(); 234e2437126f0225135891544315ff72e54c7de0f59Yigit Boyar } 235e2437126f0225135891544315ff72e54c7de0f59Yigit Boyar }); 236e2437126f0225135891544315ff72e54c7de0f59Yigit Boyar } catch (Throwable throwable) { 237e2437126f0225135891544315ff72e54c7de0f59Yigit Boyar Log.e(TAG, "", throwable); 238e2437126f0225135891544315ff72e54c7de0f59Yigit Boyar } 239b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar } 240b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar 241e2437126f0225135891544315ff72e54c7de0f59Yigit Boyar public void scrollBy(final int dt) { 242e2437126f0225135891544315ff72e54c7de0f59Yigit Boyar try { 243e2437126f0225135891544315ff72e54c7de0f59Yigit Boyar runTestOnUiThread(new Runnable() { 244e2437126f0225135891544315ff72e54c7de0f59Yigit Boyar @Override 245e2437126f0225135891544315ff72e54c7de0f59Yigit Boyar public void run() { 246e2437126f0225135891544315ff72e54c7de0f59Yigit Boyar if (mRecyclerView.getLayoutManager().canScrollHorizontally()) { 247e2437126f0225135891544315ff72e54c7de0f59Yigit Boyar mRecyclerView.scrollBy(dt, 0); 248e2437126f0225135891544315ff72e54c7de0f59Yigit Boyar } else { 249e2437126f0225135891544315ff72e54c7de0f59Yigit Boyar mRecyclerView.scrollBy(0, dt); 250e2437126f0225135891544315ff72e54c7de0f59Yigit Boyar } 251b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar 252e2437126f0225135891544315ff72e54c7de0f59Yigit Boyar } 253e2437126f0225135891544315ff72e54c7de0f59Yigit Boyar }); 254e2437126f0225135891544315ff72e54c7de0f59Yigit Boyar } catch (Throwable throwable) { 255e2437126f0225135891544315ff72e54c7de0f59Yigit Boyar Log.e(TAG, "", throwable); 256e2437126f0225135891544315ff72e54c7de0f59Yigit Boyar } 257d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase } 258d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase 2598edcb0bdeaba6931f9d8154f0c81f57da7ddab2aYigit Boyar void scrollToPosition(final int position) throws Throwable { 2608edcb0bdeaba6931f9d8154f0c81f57da7ddab2aYigit Boyar runTestOnUiThread(new Runnable() { 2618edcb0bdeaba6931f9d8154f0c81f57da7ddab2aYigit Boyar @Override 2628edcb0bdeaba6931f9d8154f0c81f57da7ddab2aYigit Boyar public void run() { 2638edcb0bdeaba6931f9d8154f0c81f57da7ddab2aYigit Boyar mRecyclerView.getLayoutManager().scrollToPosition(position); 2648edcb0bdeaba6931f9d8154f0c81f57da7ddab2aYigit Boyar } 2658edcb0bdeaba6931f9d8154f0c81f57da7ddab2aYigit Boyar }); 2668edcb0bdeaba6931f9d8154f0c81f57da7ddab2aYigit Boyar } 2678edcb0bdeaba6931f9d8154f0c81f57da7ddab2aYigit Boyar 2688edcb0bdeaba6931f9d8154f0c81f57da7ddab2aYigit Boyar void smoothScrollToPosition(final int position) 2698edcb0bdeaba6931f9d8154f0c81f57da7ddab2aYigit Boyar throws Throwable { 2708edcb0bdeaba6931f9d8154f0c81f57da7ddab2aYigit Boyar Log.d(TAG, "SMOOTH scrolling to " + position); 2718edcb0bdeaba6931f9d8154f0c81f57da7ddab2aYigit Boyar runTestOnUiThread(new Runnable() { 2728edcb0bdeaba6931f9d8154f0c81f57da7ddab2aYigit Boyar @Override 2738edcb0bdeaba6931f9d8154f0c81f57da7ddab2aYigit Boyar public void run() { 2748edcb0bdeaba6931f9d8154f0c81f57da7ddab2aYigit Boyar mRecyclerView.smoothScrollToPosition(position); 2758edcb0bdeaba6931f9d8154f0c81f57da7ddab2aYigit Boyar } 2768edcb0bdeaba6931f9d8154f0c81f57da7ddab2aYigit Boyar }); 2778edcb0bdeaba6931f9d8154f0c81f57da7ddab2aYigit Boyar while (mRecyclerView.getLayoutManager().isSmoothScrolling() || 2788edcb0bdeaba6931f9d8154f0c81f57da7ddab2aYigit Boyar mRecyclerView.getScrollState() != RecyclerView.SCROLL_STATE_IDLE) { 2798edcb0bdeaba6931f9d8154f0c81f57da7ddab2aYigit Boyar if (mDebug) { 2808edcb0bdeaba6931f9d8154f0c81f57da7ddab2aYigit Boyar Log.d(TAG, "SMOOTH scrolling step"); 2818edcb0bdeaba6931f9d8154f0c81f57da7ddab2aYigit Boyar } 2828edcb0bdeaba6931f9d8154f0c81f57da7ddab2aYigit Boyar Thread.sleep(200); 2838edcb0bdeaba6931f9d8154f0c81f57da7ddab2aYigit Boyar } 2848edcb0bdeaba6931f9d8154f0c81f57da7ddab2aYigit Boyar Log.d(TAG, "SMOOTH scrolling done"); 285504c54ea52c1b2aae6f8f4ae128f1dcaac7e3f6aYigit Boyar getInstrumentation().waitForIdleSync(); 2868edcb0bdeaba6931f9d8154f0c81f57da7ddab2aYigit Boyar } 2878edcb0bdeaba6931f9d8154f0c81f57da7ddab2aYigit Boyar 288d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase class TestViewHolder extends RecyclerView.ViewHolder { 289d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase 290d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase Item mBindedItem; 291d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase 292d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase public TestViewHolder(View itemView) { 293d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase super(itemView); 294310e95e1c6dfe4f26ef594233e65e1ff83e0f1ffYigit Boyar itemView.setFocusable(true); 295d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase } 296504c54ea52c1b2aae6f8f4ae128f1dcaac7e3f6aYigit Boyar 297504c54ea52c1b2aae6f8f4ae128f1dcaac7e3f6aYigit Boyar @Override 298504c54ea52c1b2aae6f8f4ae128f1dcaac7e3f6aYigit Boyar public String toString() { 299504c54ea52c1b2aae6f8f4ae128f1dcaac7e3f6aYigit Boyar return super.toString() + " item:" + mBindedItem; 300504c54ea52c1b2aae6f8f4ae128f1dcaac7e3f6aYigit Boyar } 301d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase } 302d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase 303d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase class TestLayoutManager extends RecyclerView.LayoutManager { 304d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase 305d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase CountDownLatch layoutLatch; 306d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase 307d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase public void expectLayouts(int count) { 308d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase layoutLatch = new CountDownLatch(count); 309d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase } 310d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase 311b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar public void waitForLayout(long timeout, TimeUnit timeUnit) throws Throwable { 312b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar layoutLatch.await(timeout * (mDebug ? 100 : 1), timeUnit); 313d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase assertEquals("all expected layouts should be executed at the expected time", 314d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase 0, layoutLatch.getCount()); 315e0c347f627f8a78d3e5e3e5eaac9c3ae26208689Yigit Boyar getInstrumentation().waitForIdleSync(); 316d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase } 317d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase 318b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar public void assertLayoutCount(int count, String msg, long timeout) throws Throwable { 319b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar layoutLatch.await(timeout, TimeUnit.SECONDS); 320b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar assertEquals(msg, count, layoutLatch.getCount()); 321b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar } 322b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar 323b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar public void assertNoLayout(String msg, long timeout) throws Throwable { 324b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar layoutLatch.await(timeout, TimeUnit.SECONDS); 325b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar assertFalse(msg, layoutLatch.getCount() == 0); 326b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar } 327b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar 328b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar public void waitForLayout(long timeout) throws Throwable { 3298ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar waitForLayout(timeout * (mDebug ? 10000 : 1), TimeUnit.SECONDS); 330b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar } 331b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar 332d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase @Override 333d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase public RecyclerView.LayoutParams generateDefaultLayoutParams() { 334d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase return new RecyclerView.LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT, 335d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase ViewGroup.LayoutParams.WRAP_CONTENT); 336d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase } 337d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase 338d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase void assertVisibleItemPositions() { 339d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase int i = getChildCount(); 340d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase TestAdapter testAdapter = (TestAdapter) mRecyclerView.getAdapter(); 341d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase while (i-- > 0) { 342d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase View view = getChildAt(i); 343d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase RecyclerView.LayoutParams lp = (RecyclerView.LayoutParams) view.getLayoutParams(); 344d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase Item item = ((TestViewHolder) lp.mViewHolder).mBindedItem; 345b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar if (mDebug) { 346d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase Log.d(TAG, "testing item " + i); 347d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase } 3488ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar if (!lp.isItemRemoved()) { 3498ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar RecyclerView.ViewHolder vh = mRecyclerView.getChildViewHolder(view); 3508ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar assertSame("item position in LP should match adapter value :" + vh, 3518ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar testAdapter.mItems.get(vh.mPosition), item); 3528ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar } 353d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase } 354d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase } 355d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase 356b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar RecyclerView.LayoutParams getLp(View v) { 357b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar return (RecyclerView.LayoutParams) v.getLayoutParams(); 358b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar } 359b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar 360f485be9def4c0f72cfdfa6b0c616c23f04652817Yigit Boyar void layoutRange(RecyclerView.Recycler recycler, int start, int end) { 361fe3996cf5af65fe11cc3ed47b67123ec267bd336Yigit Boyar assertScrap(recycler); 362b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar if (mDebug) { 363d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase Log.d(TAG, "will layout items from " + start + " to " + end); 364d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase } 3655ced882cabdcefbb469e332f6f73983999aad0e5Yigit Boyar int diff = end > start ? 1 : -1; 366504c54ea52c1b2aae6f8f4ae128f1dcaac7e3f6aYigit Boyar int top = 0; 3675ced882cabdcefbb469e332f6f73983999aad0e5Yigit Boyar for (int i = start; i != end; i+=diff) { 368b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar if (mDebug) { 369d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase Log.d(TAG, "laying out item " + i); 370d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase } 371d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase View view = recycler.getViewForPosition(i); 372b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar assertNotNull("view should not be null for valid position. " 373b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar + "got null view at position " + i, view); 374c8b0ff5869e17a656a3a1d7fb306efa5b99fa07fYigit Boyar if (!mRecyclerView.mState.isPreLayout()) { 375c8b0ff5869e17a656a3a1d7fb306efa5b99fa07fYigit Boyar RecyclerView.LayoutParams layoutParams = (RecyclerView.LayoutParams) view 376c8b0ff5869e17a656a3a1d7fb306efa5b99fa07fYigit Boyar .getLayoutParams(); 377c8b0ff5869e17a656a3a1d7fb306efa5b99fa07fYigit Boyar assertFalse("In post layout, getViewForPosition should never return a view " 378c8b0ff5869e17a656a3a1d7fb306efa5b99fa07fYigit Boyar + "that is removed", layoutParams != null 379c8b0ff5869e17a656a3a1d7fb306efa5b99fa07fYigit Boyar && layoutParams.isItemRemoved()); 380c8b0ff5869e17a656a3a1d7fb306efa5b99fa07fYigit Boyar 381b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar } 3828da5bba529a2fe9bd2aafab28010e11ec4de93c7Yigit Boyar assertEquals("getViewForPosition should return correct position", 3838da5bba529a2fe9bd2aafab28010e11ec4de93c7Yigit Boyar i, getPosition(view)); 384c8b0ff5869e17a656a3a1d7fb306efa5b99fa07fYigit Boyar addView(view); 385b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar 386d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase measureChildWithMargins(view, 0, 0); 387504c54ea52c1b2aae6f8f4ae128f1dcaac7e3f6aYigit Boyar layoutDecorated(view, 0, top, getDecoratedMeasuredWidth(view) 388504c54ea52c1b2aae6f8f4ae128f1dcaac7e3f6aYigit Boyar , top + getDecoratedMeasuredHeight(view)); 389504c54ea52c1b2aae6f8f4ae128f1dcaac7e3f6aYigit Boyar top += view.getMeasuredHeight(); 390d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase } 391d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase } 392fe3996cf5af65fe11cc3ed47b67123ec267bd336Yigit Boyar 393fe3996cf5af65fe11cc3ed47b67123ec267bd336Yigit Boyar private void assertScrap(RecyclerView.Recycler recycler) { 394e0c347f627f8a78d3e5e3e5eaac9c3ae26208689Yigit Boyar if (mRecyclerView.getAdapter() != null && 395e0c347f627f8a78d3e5e3e5eaac9c3ae26208689Yigit Boyar !mRecyclerView.getAdapter().hasStableIds()) { 396e0c347f627f8a78d3e5e3e5eaac9c3ae26208689Yigit Boyar for (RecyclerView.ViewHolder viewHolder : recycler.getScrapList()) { 397e0c347f627f8a78d3e5e3e5eaac9c3ae26208689Yigit Boyar assertFalse("Invalid scrap should be no kept", viewHolder.isInvalid()); 398e0c347f627f8a78d3e5e3e5eaac9c3ae26208689Yigit Boyar } 399fe3996cf5af65fe11cc3ed47b67123ec267bd336Yigit Boyar } 400fe3996cf5af65fe11cc3ed47b67123ec267bd336Yigit Boyar } 401bb6ebab3b3b85ec20b3bc262289a2460705322f5Yigit Boyar 402bb6ebab3b3b85ec20b3bc262289a2460705322f5Yigit Boyar @Override 403bb6ebab3b3b85ec20b3bc262289a2460705322f5Yigit Boyar public boolean canScrollHorizontally() { 404bb6ebab3b3b85ec20b3bc262289a2460705322f5Yigit Boyar return true; 405bb6ebab3b3b85ec20b3bc262289a2460705322f5Yigit Boyar } 406bb6ebab3b3b85ec20b3bc262289a2460705322f5Yigit Boyar 407bb6ebab3b3b85ec20b3bc262289a2460705322f5Yigit Boyar @Override 408bb6ebab3b3b85ec20b3bc262289a2460705322f5Yigit Boyar public boolean canScrollVertically() { 409bb6ebab3b3b85ec20b3bc262289a2460705322f5Yigit Boyar return true; 410bb6ebab3b3b85ec20b3bc262289a2460705322f5Yigit Boyar } 411bb6ebab3b3b85ec20b3bc262289a2460705322f5Yigit Boyar 412bb6ebab3b3b85ec20b3bc262289a2460705322f5Yigit Boyar @Override 413bb6ebab3b3b85ec20b3bc262289a2460705322f5Yigit Boyar public int scrollHorizontallyBy(int dx, RecyclerView.Recycler recycler, 414bb6ebab3b3b85ec20b3bc262289a2460705322f5Yigit Boyar RecyclerView.State state) { 415bb6ebab3b3b85ec20b3bc262289a2460705322f5Yigit Boyar return dx; 416bb6ebab3b3b85ec20b3bc262289a2460705322f5Yigit Boyar } 417bb6ebab3b3b85ec20b3bc262289a2460705322f5Yigit Boyar 418bb6ebab3b3b85ec20b3bc262289a2460705322f5Yigit Boyar @Override 419bb6ebab3b3b85ec20b3bc262289a2460705322f5Yigit Boyar public int scrollVerticallyBy(int dy, RecyclerView.Recycler recycler, 420bb6ebab3b3b85ec20b3bc262289a2460705322f5Yigit Boyar RecyclerView.State state) { 421bb6ebab3b3b85ec20b3bc262289a2460705322f5Yigit Boyar return dy; 422bb6ebab3b3b85ec20b3bc262289a2460705322f5Yigit Boyar } 423d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase } 424d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase 425d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase static class Item { 42611b7cfea15306c0d6e4ed7da09f7698df01695dfYigit Boyar final static AtomicInteger idCounter = new AtomicInteger(0); 42711b7cfea15306c0d6e4ed7da09f7698df01695dfYigit Boyar final public int mId = idCounter.incrementAndGet(); 428d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase 4292d2e8d88103866b631eb0f3805da137ebcfb0275Yigit Boyar int mAdapterIndex; 430d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase 4312d2e8d88103866b631eb0f3805da137ebcfb0275Yigit Boyar final String mText; 432d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase 4332d2e8d88103866b631eb0f3805da137ebcfb0275Yigit Boyar Item(int adapterIndex, String text) { 4342d2e8d88103866b631eb0f3805da137ebcfb0275Yigit Boyar mAdapterIndex = adapterIndex; 4352d2e8d88103866b631eb0f3805da137ebcfb0275Yigit Boyar mText = text; 436d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase } 4378ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar 4388ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar @Override 4398ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar public String toString() { 4408ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar return "Item{" + 4418ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar "mId=" + mId + 4422d2e8d88103866b631eb0f3805da137ebcfb0275Yigit Boyar ", originalIndex=" + mAdapterIndex + 4432d2e8d88103866b631eb0f3805da137ebcfb0275Yigit Boyar ", text='" + mText + '\'' + 4448ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar '}'; 4458ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar } 446d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase } 447d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase 44890ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar class TestAdapter extends RecyclerView.Adapter<TestViewHolder> 44990ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar implements AttachDetachCountingAdapter { 450d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase 45190ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar ViewAttachDetachCounter mAttachmentCounter = new ViewAttachDetachCounter(); 452d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase List<Item> mItems; 453d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase 454d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase TestAdapter(int count) { 455d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase mItems = new ArrayList<Item>(count); 456d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase for (int i = 0; i < count; i++) { 457d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase mItems.add(new Item(i, "Item " + i)); 458d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase } 459d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase } 460d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase 461d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase @Override 46290ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar public void onViewAttachedToWindow(TestViewHolder holder) { 46390ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar super.onViewAttachedToWindow(holder); 46490ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar mAttachmentCounter.onViewAttached(holder); 46590ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar } 46690ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar 46790ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar @Override 46890ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar public void onViewDetachedFromWindow(TestViewHolder holder) { 46990ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar super.onViewDetachedFromWindow(holder); 47090ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar mAttachmentCounter.onViewDetached(holder); 47190ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar } 47290ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar 47390ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar @Override 47490ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar public void onAttachedToRecyclerView(RecyclerView recyclerView) { 47590ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar super.onAttachedToRecyclerView(recyclerView); 47690ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar mAttachmentCounter.onAttached(recyclerView); 47790ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar } 47890ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar 47990ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar @Override 48090ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar public void onDetachedFromRecyclerView(RecyclerView recyclerView) { 48190ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar super.onDetachedFromRecyclerView(recyclerView); 48290ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar mAttachmentCounter.onDetached(recyclerView); 48390ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar } 48490ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar 48590ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar @Override 486d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase public TestViewHolder onCreateViewHolder(ViewGroup parent, 487d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase int viewType) { 488d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase return new TestViewHolder(new TextView(parent.getContext())); 489d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase } 490d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase 491d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase @Override 492d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase public void onBindViewHolder(TestViewHolder holder, int position) { 493d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase final Item item = mItems.get(position); 4942d2e8d88103866b631eb0f3805da137ebcfb0275Yigit Boyar ((TextView) (holder.itemView)).setText(item.mText + "(" + item.mAdapterIndex + ")"); 495d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase holder.mBindedItem = item; 496d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase } 497d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase 498b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar public void deleteAndNotify(final int start, final int count) throws Throwable { 499b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar deleteAndNotify(new int[]{start, count}); 500b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar } 501b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar 502b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar /** 503b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar * Deletes items in the given ranges. 504b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar * <p> 505b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar * Note that each operation affects the one after so you should offset them properly. 506b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar * <p> 507b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar * For example, if adapter has 5 items (A,B,C,D,E), and then you call this method with 508b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar * <code>[1, 2],[2, 1]</code>, it will first delete items B,C and the new adapter will be 509b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar * A D E. Then it will delete 2,1 which means it will delete E. 510b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar */ 511b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar public void deleteAndNotify(final int[]... startCountTuples) throws Throwable { 5128ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar for (int[] tuple : startCountTuples) { 5138ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar tuple[1] = -tuple[1]; 5148ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar } 5158ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar new AddRemoveRunnable(startCountTuples).runOnMainThread(); 516d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase } 517d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase 518c8b0ff5869e17a656a3a1d7fb306efa5b99fa07fYigit Boyar @Override 519c8b0ff5869e17a656a3a1d7fb306efa5b99fa07fYigit Boyar public long getItemId(int position) { 520c8b0ff5869e17a656a3a1d7fb306efa5b99fa07fYigit Boyar return hasStableIds() ? mItems.get(position).mId : super.getItemId(position); 521c8b0ff5869e17a656a3a1d7fb306efa5b99fa07fYigit Boyar } 522c8b0ff5869e17a656a3a1d7fb306efa5b99fa07fYigit Boyar 5232d2e8d88103866b631eb0f3805da137ebcfb0275Yigit Boyar public void offsetOriginalIndices(int start, int offset) { 5242d2e8d88103866b631eb0f3805da137ebcfb0275Yigit Boyar for (int i = start; i < mItems.size(); i++) { 5252d2e8d88103866b631eb0f3805da137ebcfb0275Yigit Boyar mItems.get(i).mAdapterIndex += offset; 5262d2e8d88103866b631eb0f3805da137ebcfb0275Yigit Boyar } 5272d2e8d88103866b631eb0f3805da137ebcfb0275Yigit Boyar } 5282d2e8d88103866b631eb0f3805da137ebcfb0275Yigit Boyar 529e0c347f627f8a78d3e5e3e5eaac9c3ae26208689Yigit Boyar /** 530e0c347f627f8a78d3e5e3e5eaac9c3ae26208689Yigit Boyar * @param start inclusive 531e0c347f627f8a78d3e5e3e5eaac9c3ae26208689Yigit Boyar * @param end exclusive 532e0c347f627f8a78d3e5e3e5eaac9c3ae26208689Yigit Boyar * @param offset 533e0c347f627f8a78d3e5e3e5eaac9c3ae26208689Yigit Boyar */ 534e0c347f627f8a78d3e5e3e5eaac9c3ae26208689Yigit Boyar public void offsetOriginalIndicesBetween(int start, int end, int offset) { 535e0c347f627f8a78d3e5e3e5eaac9c3ae26208689Yigit Boyar for (int i = start; i < end && i < mItems.size(); i++) { 536e0c347f627f8a78d3e5e3e5eaac9c3ae26208689Yigit Boyar mItems.get(i).mAdapterIndex += offset; 537e0c347f627f8a78d3e5e3e5eaac9c3ae26208689Yigit Boyar } 538e0c347f627f8a78d3e5e3e5eaac9c3ae26208689Yigit Boyar } 539e0c347f627f8a78d3e5e3e5eaac9c3ae26208689Yigit Boyar 540b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar public void addAndNotify(final int start, final int count) throws Throwable { 541b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar addAndNotify(new int[]{start, count}); 542b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar } 543b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar 544b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar public void addAndNotify(final int[]... startCountTuples) throws Throwable { 5458ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar new AddRemoveRunnable(startCountTuples).runOnMainThread(); 5468ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar } 547b5f8b4fecb531aee6b359b4968409410aba90817Yigit Boyar 548cadd54707a7aaa4cfa9c8b8051c6185e8717f22eChet Haase public void dispatchDataSetChanged() throws Throwable { 54922b6b8163d2e15eb6d0a89906854dec801945f1dYigit Boyar runTestOnUiThread(new Runnable() { 55022b6b8163d2e15eb6d0a89906854dec801945f1dYigit Boyar @Override 55122b6b8163d2e15eb6d0a89906854dec801945f1dYigit Boyar public void run() { 55222b6b8163d2e15eb6d0a89906854dec801945f1dYigit Boyar notifyDataSetChanged(); 55322b6b8163d2e15eb6d0a89906854dec801945f1dYigit Boyar } 55422b6b8163d2e15eb6d0a89906854dec801945f1dYigit Boyar }); 55522b6b8163d2e15eb6d0a89906854dec801945f1dYigit Boyar } 55622b6b8163d2e15eb6d0a89906854dec801945f1dYigit Boyar 557cadd54707a7aaa4cfa9c8b8051c6185e8717f22eChet Haase public void changeAndNotify(final int start, final int count) throws Throwable { 5587e9da1a2629b657d56e2f54abd18c6249f3be037Yigit Boyar runTestOnUiThread(new Runnable() { 5597e9da1a2629b657d56e2f54abd18c6249f3be037Yigit Boyar @Override 5607e9da1a2629b657d56e2f54abd18c6249f3be037Yigit Boyar public void run() { 5617e9da1a2629b657d56e2f54abd18c6249f3be037Yigit Boyar notifyItemRangeChanged(start, count); 5627e9da1a2629b657d56e2f54abd18c6249f3be037Yigit Boyar } 5637e9da1a2629b657d56e2f54abd18c6249f3be037Yigit Boyar }); 5647e9da1a2629b657d56e2f54abd18c6249f3be037Yigit Boyar } 5657e9da1a2629b657d56e2f54abd18c6249f3be037Yigit Boyar 566cadd54707a7aaa4cfa9c8b8051c6185e8717f22eChet Haase public void changePositionsAndNotify(final int... positions) throws Throwable { 567cadd54707a7aaa4cfa9c8b8051c6185e8717f22eChet Haase runTestOnUiThread(new Runnable() { 568cadd54707a7aaa4cfa9c8b8051c6185e8717f22eChet Haase @Override 569cadd54707a7aaa4cfa9c8b8051c6185e8717f22eChet Haase public void run() { 570cadd54707a7aaa4cfa9c8b8051c6185e8717f22eChet Haase for (int i = 0; i < positions.length; i += 1) { 571cadd54707a7aaa4cfa9c8b8051c6185e8717f22eChet Haase TestAdapter.super.notifyItemRangeChanged(positions[i], 1); 572cadd54707a7aaa4cfa9c8b8051c6185e8717f22eChet Haase } 573cadd54707a7aaa4cfa9c8b8051c6185e8717f22eChet Haase } 574cadd54707a7aaa4cfa9c8b8051c6185e8717f22eChet Haase }); 575cadd54707a7aaa4cfa9c8b8051c6185e8717f22eChet Haase } 576cadd54707a7aaa4cfa9c8b8051c6185e8717f22eChet Haase 5778ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar /** 5788ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar * Similar to other methods but negative count means delete and position count means add. 5798ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar * <p> 5808ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar * For instance, calling this method with <code>[1,1], [2,-1]</code> it will first add an 5818ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar * item to index 1, then remove an item from index 2 (updated index 2) 5828ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar */ 5838ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar public void addDeleteAndNotify(final int[]... startCountTuples) throws Throwable { 5848ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar new AddRemoveRunnable(startCountTuples).runOnMainThread(); 585d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase } 586d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase 587d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase @Override 588d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase public int getItemCount() { 589d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase return mItems.size(); 590d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase } 5918ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar 592e0c347f627f8a78d3e5e3e5eaac9c3ae26208689Yigit Boyar public void moveItems(boolean notifyChange, int[]... fromToTuples) throws Throwable { 593e0c347f627f8a78d3e5e3e5eaac9c3ae26208689Yigit Boyar for (int i = 0; i < fromToTuples.length; i += 1) { 594e0c347f627f8a78d3e5e3e5eaac9c3ae26208689Yigit Boyar int[] tuple = fromToTuples[i]; 595e0c347f627f8a78d3e5e3e5eaac9c3ae26208689Yigit Boyar moveItem(tuple[0], tuple[1], false); 596e0c347f627f8a78d3e5e3e5eaac9c3ae26208689Yigit Boyar } 597e0c347f627f8a78d3e5e3e5eaac9c3ae26208689Yigit Boyar if (notifyChange) { 598cadd54707a7aaa4cfa9c8b8051c6185e8717f22eChet Haase dispatchDataSetChanged(); 599e0c347f627f8a78d3e5e3e5eaac9c3ae26208689Yigit Boyar } 600e0c347f627f8a78d3e5e3e5eaac9c3ae26208689Yigit Boyar } 601e0c347f627f8a78d3e5e3e5eaac9c3ae26208689Yigit Boyar 602e0c347f627f8a78d3e5e3e5eaac9c3ae26208689Yigit Boyar public void moveItem(final int from, final int to, final boolean notifyChange) 603e0c347f627f8a78d3e5e3e5eaac9c3ae26208689Yigit Boyar throws Throwable { 604e0c347f627f8a78d3e5e3e5eaac9c3ae26208689Yigit Boyar runTestOnUiThread(new Runnable() { 605e0c347f627f8a78d3e5e3e5eaac9c3ae26208689Yigit Boyar @Override 606e0c347f627f8a78d3e5e3e5eaac9c3ae26208689Yigit Boyar public void run() { 607e0c347f627f8a78d3e5e3e5eaac9c3ae26208689Yigit Boyar Item item = mItems.remove(from); 608e0c347f627f8a78d3e5e3e5eaac9c3ae26208689Yigit Boyar mItems.add(to, item); 609e0c347f627f8a78d3e5e3e5eaac9c3ae26208689Yigit Boyar offsetOriginalIndices(from, to - 1); 610e0c347f627f8a78d3e5e3e5eaac9c3ae26208689Yigit Boyar item.mAdapterIndex = to; 611e0c347f627f8a78d3e5e3e5eaac9c3ae26208689Yigit Boyar if (notifyChange) { 612e0c347f627f8a78d3e5e3e5eaac9c3ae26208689Yigit Boyar notifyDataSetChanged(); 613e0c347f627f8a78d3e5e3e5eaac9c3ae26208689Yigit Boyar } 614e0c347f627f8a78d3e5e3e5eaac9c3ae26208689Yigit Boyar } 615e0c347f627f8a78d3e5e3e5eaac9c3ae26208689Yigit Boyar }); 616e0c347f627f8a78d3e5e3e5eaac9c3ae26208689Yigit Boyar } 617e0c347f627f8a78d3e5e3e5eaac9c3ae26208689Yigit Boyar 61890ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar @Override 61990ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar public ViewAttachDetachCounter getCounter() { 62090ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar return mAttachmentCounter; 62190ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar } 62290ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar 6238ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar 6248ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar private class AddRemoveRunnable implements Runnable { 6258ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar final int[][] mStartCountTuples; 6268ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar 6278ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar public AddRemoveRunnable(int[][] startCountTuples) { 6288ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar mStartCountTuples = startCountTuples; 6298ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar } 6308ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar 6318ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar public void runOnMainThread() throws Throwable { 6328ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar if (Looper.myLooper() == Looper.getMainLooper()) { 6338ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar run(); 6348ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar } else { 6358ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar runTestOnUiThread(this); 6368ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar } 6378ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar } 6388ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar 6398ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar @Override 6408ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar public void run() { 6418ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar for (int[] tuple : mStartCountTuples) { 6428ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar if (tuple[1] < 0) { 6438ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar delete(tuple); 6448ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar } else { 6458ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar add(tuple); 6468ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar } 6478ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar } 6488ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar } 6498ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar 6508ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar private void add(int[] tuple) { 6512d2e8d88103866b631eb0f3805da137ebcfb0275Yigit Boyar // offset others 6522d2e8d88103866b631eb0f3805da137ebcfb0275Yigit Boyar offsetOriginalIndices(tuple[0], tuple[1]); 6538ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar for (int i = 0; i < tuple[1]; i++) { 6548ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar mItems.add(tuple[0], new Item(i, "new item " + i)); 6558ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar } 6568ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar notifyItemRangeInserted(tuple[0], tuple[1]); 6578ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar } 6588ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar 6598ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar private void delete(int[] tuple) { 6602d2e8d88103866b631eb0f3805da137ebcfb0275Yigit Boyar final int count = -tuple[1]; 6612d2e8d88103866b631eb0f3805da137ebcfb0275Yigit Boyar offsetOriginalIndices(tuple[0] + count, tuple[1]); 6622d2e8d88103866b631eb0f3805da137ebcfb0275Yigit Boyar for (int i = 0; i < count; i++) { 6638ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar mItems.remove(tuple[0]); 6648ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar } 6652d2e8d88103866b631eb0f3805da137ebcfb0275Yigit Boyar notifyItemRangeRemoved(tuple[0], count); 6668ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar } 6678ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar } 6688ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar } 6698ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar 67090ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar public boolean isMainThread() { 67190ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar return Looper.myLooper() == Looper.getMainLooper(); 67290ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar } 67390ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar 6748ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar @Override 6758ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar public void runTestOnUiThread(Runnable r) throws Throwable { 6768ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar if (Looper.myLooper() == Looper.getMainLooper()) { 6778ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar r.run(); 6788ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar } else { 6798ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar super.runTestOnUiThread(r); 6808ae76f91527ce850f155ce960fb9068bcd5d49f9Yigit Boyar } 681d7d27e9ebe5c7325e67e1a8af265378bd2056cadChet Haase } 682c50c4cad31d73e574b27bb3d7581542975e37263Yigit Boyar 683c50c4cad31d73e574b27bb3d7581542975e37263Yigit Boyar static class TargetTuple { 684c50c4cad31d73e574b27bb3d7581542975e37263Yigit Boyar 685c50c4cad31d73e574b27bb3d7581542975e37263Yigit Boyar final int mPosition; 686c50c4cad31d73e574b27bb3d7581542975e37263Yigit Boyar 687c50c4cad31d73e574b27bb3d7581542975e37263Yigit Boyar final int mLayoutDirection; 688c50c4cad31d73e574b27bb3d7581542975e37263Yigit Boyar 689c50c4cad31d73e574b27bb3d7581542975e37263Yigit Boyar TargetTuple(int position, int layoutDirection) { 690c50c4cad31d73e574b27bb3d7581542975e37263Yigit Boyar this.mPosition = position; 691c50c4cad31d73e574b27bb3d7581542975e37263Yigit Boyar this.mLayoutDirection = layoutDirection; 692c50c4cad31d73e574b27bb3d7581542975e37263Yigit Boyar } 693c50c4cad31d73e574b27bb3d7581542975e37263Yigit Boyar 694c50c4cad31d73e574b27bb3d7581542975e37263Yigit Boyar @Override 695c50c4cad31d73e574b27bb3d7581542975e37263Yigit Boyar public String toString() { 696c50c4cad31d73e574b27bb3d7581542975e37263Yigit Boyar return "TargetTuple{" + 697c50c4cad31d73e574b27bb3d7581542975e37263Yigit Boyar "mPosition=" + mPosition + 698c50c4cad31d73e574b27bb3d7581542975e37263Yigit Boyar ", mLayoutDirection=" + mLayoutDirection + 699c50c4cad31d73e574b27bb3d7581542975e37263Yigit Boyar '}'; 700c50c4cad31d73e574b27bb3d7581542975e37263Yigit Boyar } 701c50c4cad31d73e574b27bb3d7581542975e37263Yigit Boyar } 70290ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar 70390ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar public interface AttachDetachCountingAdapter { 70490ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar 70590ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar ViewAttachDetachCounter getCounter(); 70690ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar } 70790ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar 70890ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar public class ViewAttachDetachCounter { 70990ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar 71090ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar Set<RecyclerView.ViewHolder> mAttachedSet = new HashSet<RecyclerView.ViewHolder>(); 71190ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar 71290ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar public void validateRemaining(RecyclerView recyclerView) { 71390ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar final int childCount = recyclerView.getChildCount(); 71490ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar for (int i = 0; i < childCount; i++) { 71590ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar View view = recyclerView.getChildAt(i); 71690ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar RecyclerView.ViewHolder vh = recyclerView.getChildViewHolder(view); 71790ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar assertTrue("remaining view should be in attached set " + vh, 71890ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar mAttachedSet.contains(vh)); 71990ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar } 72090ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar assertEquals("there should not be any views left in attached set", 72190ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar childCount, mAttachedSet.size()); 72290ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar } 72390ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar 72490ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar public void onViewDetached(RecyclerView.ViewHolder viewHolder) { 72590ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar try { 72690ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar assertTrue("view holder should be in attached set", 72790ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar mAttachedSet.remove(viewHolder)); 72890ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar } catch (Throwable t) { 72990ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar postExceptionToInstrumentation(t); 73090ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar } 73190ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar } 73290ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar 73390ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar public void onViewAttached(RecyclerView.ViewHolder viewHolder) { 73490ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar try { 73590ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar assertTrue("view holder should not be in attached set", 73690ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar mAttachedSet.add(viewHolder)); 73790ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar } catch (Throwable t) { 73890ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar postExceptionToInstrumentation(t); 73990ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar } 74090ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar } 74190ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar 74290ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar public void onAttached(RecyclerView recyclerView) { 74390ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar // when a new RV is attached, clear the set and add all view holders 74490ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar mAttachedSet.clear(); 74590ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar final int childCount = recyclerView.getChildCount(); 74690ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar for (int i = 0; i < childCount; i ++) { 74790ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar View view = recyclerView.getChildAt(i); 74890ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar mAttachedSet.add(recyclerView.getChildViewHolder(view)); 74990ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar } 75090ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar } 75190ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar 75290ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar public void onDetached(RecyclerView recyclerView) { 75390ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar validateRemaining(recyclerView); 75490ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar } 75590ca3086dbf66ad6bb8840e46ec8524a705e1c18Yigit Boyar } 7567a59e4b36500bcfddd842376d6c3abe0d9f23d84Yigit Boyar} 757