AdapterViewAnimator.java revision 1480fddea874a42adb43b4bcdac6704e4c3e110b
13db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen/* 23db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen * Copyright (C) 2010 The Android Open Source Project 33db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen * 43db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen * Licensed under the Apache License, Version 2.0 (the "License"); 53db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen * you may not use this file except in compliance with the License. 63db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen * You may obtain a copy of the License at 73db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen * 83db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen * http://www.apache.org/licenses/LICENSE-2.0 93db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen * 103db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen * Unless required by applicable law or agreed to in writing, software 113db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen * distributed under the License is distributed on an "AS IS" BASIS, 123db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 133db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen * See the License for the specific language governing permissions and 143db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen * limitations under the License. 153db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen */ 163db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen 173db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohenpackage android.widget; 183db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen 1944729e3d1c01265858eec566c7b7c676c46a7916Adam Cohenimport java.util.ArrayList; 2044729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen 2144729e3d1c01265858eec566c7b7c676c46a7916Adam Cohenimport android.animation.PropertyAnimator; 223db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohenimport android.content.Context; 233db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohenimport android.content.Intent; 243db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohenimport android.content.res.TypedArray; 2544729e3d1c01265858eec566c7b7c676c46a7916Adam Cohenimport android.graphics.Rect; 269b073948cfb84c0dd04f8a94ee1f7f263f027c83Adam Cohenimport android.graphics.RectF; 273db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohenimport android.os.Handler; 283db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohenimport android.os.Looper; 29b04f7ad90b7d5d5e0998e3b56960004cf56e6e8fAdam Cohenimport android.os.Parcel; 30b04f7ad90b7d5d5e0998e3b56960004cf56e6e8fAdam Cohenimport android.os.Parcelable; 313db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohenimport android.util.AttributeSet; 323db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohenimport android.view.View; 3344729e3d1c01265858eec566c7b7c676c46a7916Adam Cohenimport android.view.ViewGroup; 343db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohenimport android.view.animation.Animation; 353db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohenimport android.view.animation.AnimationUtils; 363db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen 373db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen/** 383db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen * Base class for a {@link AdapterView} that will perform animations 393db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen * when switching between its views. 403db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen * 413db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen * @attr ref android.R.styleable#AdapterViewAnimator_inAnimation 423db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen * @attr ref android.R.styleable#AdapterViewAnimator_outAnimation 433db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen * @attr ref android.R.styleable#AdapterViewAnimator_animateFirstView 443db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen */ 4544729e3d1c01265858eec566c7b7c676c46a7916Adam Cohenpublic abstract class AdapterViewAnimator extends AdapterView<Adapter> 4644729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen implements RemoteViewsAdapter.RemoteAdapterConnectionCallback{ 473db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen private static final String TAG = "RemoteViewAnimator"; 483db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen 4944729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen /** 5044729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen * The index of the current child, which appears anywhere from the beginning 5144729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen * to the end of the current set of children, as specified by {@link #mActiveOffset} 5244729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen */ 533db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen int mWhichChild = 0; 5444729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen 5544729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen /** 5644729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen * Whether or not the first view(s) should be animated in 5744729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen */ 583db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen boolean mAnimateFirstTime = true; 593db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen 6044729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen /** 6144729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen * Represents where the in the current window of 6244729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen * views the current <code>mDisplayedChild</code> sits 6344729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen */ 6444729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen int mActiveOffset = 0; 6544729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen 6644729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen /** 6744729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen * The number of views that the {@link AdapterViewAnimator} keeps as children at any 6844729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen * given time (not counting views that are pending removal, see {@link #mPreviousViews}). 6944729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen */ 7044729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen int mNumActiveViews = 1; 7144729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen 7244729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen /** 7344729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen * Array of the children of the {@link AdapterViewAnimator}. This array 7444729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen * is accessed in a circular fashion 7544729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen */ 7644729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen View[] mActiveViews; 7744729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen 7844729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen /** 7944729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen * List of views pending removal from the {@link AdapterViewAnimator} 8044729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen */ 8144729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen ArrayList<View> mPreviousViews; 8244729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen 8344729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen /** 8444729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen * The index, relative to the adapter, of the beginning of the window of views 8544729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen */ 8644729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen int mCurrentWindowStart = 0; 8744729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen 8844729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen /** 8944729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen * The index, relative to the adapter, of the end of the window of views 9044729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen */ 9144729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen int mCurrentWindowEnd = -1; 9244729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen 9344729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen /** 9444729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen * The same as {@link #mCurrentWindowStart}, except when the we have bounded 9544729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen * {@link #mCurrentWindowStart} to be non-negative 9644729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen */ 9744729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen int mCurrentWindowStartUnbounded = 0; 9844729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen 9944729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen /** 10044729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen * Handler to post events to the main thread 10144729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen */ 10244729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen Handler mMainQueue; 10344729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen 10444729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen /** 10544729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen * Listens for data changes from the adapter 10644729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen */ 1073db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen AdapterDataSetObserver mDataSetObserver; 1083db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen 10944729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen /** 11044729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen * The {@link Adapter} for this {@link AdapterViewAnimator} 11144729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen */ 11244729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen Adapter mAdapter; 11344729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen 11444729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen /** 11544729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen * The {@link RemoteViewsAdapter} for this {@link AdapterViewAnimator} 11644729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen */ 11744729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen RemoteViewsAdapter mRemoteViewsAdapter; 11844729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen 11944729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen /** 12044729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen * Specifies whether this is the first time the animator is showing views 12144729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen */ 12244729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen boolean mFirstTime = true; 1233db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen 12444729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen /** 125b04f7ad90b7d5d5e0998e3b56960004cf56e6e8fAdam Cohen * Specifies if the animator should wrap from 0 to the end and vice versa 126b04f7ad90b7d5d5e0998e3b56960004cf56e6e8fAdam Cohen * or have hard boundaries at the beginning and end 127b04f7ad90b7d5d5e0998e3b56960004cf56e6e8fAdam Cohen */ 128b04f7ad90b7d5d5e0998e3b56960004cf56e6e8fAdam Cohen boolean mShouldLoop = true; 129b04f7ad90b7d5d5e0998e3b56960004cf56e6e8fAdam Cohen 130b04f7ad90b7d5d5e0998e3b56960004cf56e6e8fAdam Cohen /** 13144729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen * TODO: Animation stuff is still in flux, waiting on the new framework to settle a bit. 13244729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen */ 1333db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen Animation mInAnimation; 1343db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen Animation mOutAnimation; 13544729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen private ArrayList<View> mViewsToBringToFront; 1363db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen 1373db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen public AdapterViewAnimator(Context context) { 1383db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen super(context); 1395b53f9186e7812c93bc578d18e92cb123481fcbcRomain Guy initViewAnimator(); 1403db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen } 1413db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen 1423db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen public AdapterViewAnimator(Context context, AttributeSet attrs) { 1433db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen super(context, attrs); 1443db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen 14544729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen TypedArray a = context.obtainStyledAttributes(attrs, 14644729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen com.android.internal.R.styleable.ViewAnimator); 14744729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen int resource = a.getResourceId( 14844729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen com.android.internal.R.styleable.ViewAnimator_inAnimation, 0); 1493db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen if (resource > 0) { 1503db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen setInAnimation(context, resource); 1513db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen } 1523db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen 1533db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen resource = a.getResourceId(com.android.internal.R.styleable.ViewAnimator_outAnimation, 0); 1543db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen if (resource > 0) { 1553db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen setOutAnimation(context, resource); 1563db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen } 1573db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen 15844729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen boolean flag = a.getBoolean( 15944729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen com.android.internal.R.styleable.ViewAnimator_animateFirstView, true); 1603db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen setAnimateFirstView(flag); 1613db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen 1623db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen a.recycle(); 1633db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen 1645b53f9186e7812c93bc578d18e92cb123481fcbcRomain Guy initViewAnimator(); 1653db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen } 1663db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen 1673db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen /** 1683db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen * Initialize this {@link AdapterViewAnimator} 1693db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen */ 1705b53f9186e7812c93bc578d18e92cb123481fcbcRomain Guy private void initViewAnimator() { 1713db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen mMainQueue = new Handler(Looper.myLooper()); 17244729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen mActiveViews = new View[mNumActiveViews]; 17344729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen mPreviousViews = new ArrayList<View>(); 17444729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen mViewsToBringToFront = new ArrayList<View>(); 17544729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen } 17644729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen 17744729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen /** 17844729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen * This method is used by subclasses to configure the animator to display the 17944729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen * desired number of views, and specify the offset 18044729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen * 18144729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen * @param numVisibleViews The number of views the animator keeps in the {@link ViewGroup} 1825b53f9186e7812c93bc578d18e92cb123481fcbcRomain Guy * @param activeOffset This parameter specifies where the current index ({@link #mWhichChild}) 18344729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen * sits within the window. For example if activeOffset is 1, and numVisibleViews is 3, 1845b53f9186e7812c93bc578d18e92cb123481fcbcRomain Guy * and {@link #setDisplayedChild(int)} is called with 10, then the effective window will 1855b53f9186e7812c93bc578d18e92cb123481fcbcRomain Guy * be the indexes 9, 10, and 11. In the same example, if activeOffset were 0, then the 18644729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen * window would instead contain indexes 10, 11 and 12. 187b04f7ad90b7d5d5e0998e3b56960004cf56e6e8fAdam Cohen * @param shouldLoop If the animator is show view 0, and setPrevious() is called, do we 188b04f7ad90b7d5d5e0998e3b56960004cf56e6e8fAdam Cohen * we loop back to the end, or do we do nothing 18944729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen */ 190b04f7ad90b7d5d5e0998e3b56960004cf56e6e8fAdam Cohen void configureViewAnimator(int numVisibleViews, int activeOffset, boolean shouldLoop) { 19144729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen if (activeOffset > numVisibleViews - 1) { 19244729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen // Throw an exception here. 19344729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen } 19444729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen mNumActiveViews = numVisibleViews; 19544729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen mActiveOffset = activeOffset; 19644729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen mActiveViews = new View[mNumActiveViews]; 19744729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen mPreviousViews.clear(); 19844729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen removeAllViewsInLayout(); 19944729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen mCurrentWindowStart = 0; 20044729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen mCurrentWindowEnd = -1; 201b04f7ad90b7d5d5e0998e3b56960004cf56e6e8fAdam Cohen mShouldLoop = shouldLoop; 20244729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen } 20344729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen 20444729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen /** 20544729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen * This class should be overridden by subclasses to customize view transitions within 20644729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen * the set of visible views 20744729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen * 20844729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen * @param fromIndex The relative index within the window that the view was in, -1 if it wasn't 20944729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen * in the window 21044729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen * @param toIndex The relative index within the window that the view is going to, -1 if it is 21144729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen * being removed 21244729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen * @param view The view that is being animated 21344729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen */ 21444729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen void animateViewForTransition(int fromIndex, int toIndex, View view) { 21544729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen PropertyAnimator pa; 21644729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen if (fromIndex == -1) { 217b04f7ad90b7d5d5e0998e3b56960004cf56e6e8fAdam Cohen view.setAlpha(0.0f); 21844729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen pa = new PropertyAnimator(400, view, "alpha", 0.0f, 1.0f); 21944729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen pa.start(); 22044729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen } else if (toIndex == -1) { 22144729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen pa = new PropertyAnimator(400, view, "alpha", 1.0f, 0.0f); 22244729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen pa.start(); 22344729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen } 2243db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen } 2253db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen 2263db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen /** 2273db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen * Sets which child view will be displayed. 2283db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen * 2293db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen * @param whichChild the index of the child view to display 2303db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen */ 2313db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen public void setDisplayedChild(int whichChild) { 2323db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen if (mAdapter != null) { 2333db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen mWhichChild = whichChild; 2343db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen if (whichChild >= mAdapter.getCount()) { 235b04f7ad90b7d5d5e0998e3b56960004cf56e6e8fAdam Cohen mWhichChild = mShouldLoop ? 0 : mAdapter.getCount() - 1; 2363db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen } else if (whichChild < 0) { 237b04f7ad90b7d5d5e0998e3b56960004cf56e6e8fAdam Cohen mWhichChild = mShouldLoop ? mAdapter.getCount() - 1 : 0; 2383db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen } 2393db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen 2403db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen boolean hasFocus = getFocusedChild() != null; 2413db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen // This will clear old focus if we had it 2423db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen showOnly(mWhichChild); 2433db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen if (hasFocus) { 2443db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen // Try to retake focus if we had it 2453db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen requestFocus(FOCUS_FORWARD); 2463db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen } 2473db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen } 2483db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen } 2493db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen 2503db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen /** 2513db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen * Return default inAnimation. To be overriden by subclasses. 2523db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen */ 25344729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen Animation getDefaultInAnimation() { 2543db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen return null; 2553db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen } 2563db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen 2573db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen /** 25844729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen * Return default outAnimation. To be overridden by subclasses. 2593db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen */ 26044729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen Animation getDefaultOutAnimation() { 2613db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen return null; 2623db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen } 2633db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen 2643db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen /** 26544729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen * To be overridden by subclasses. This method applies a view / index specific 26644729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen * transform to the child view. 26744729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen * 26844729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen * @param child 26944729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen * @param relativeIndex 27044729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen */ 27144729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen void applyTransformForChildAtIndex(View child, int relativeIndex) { 27244729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen } 27344729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen 27444729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen /** 2753db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen * Returns the index of the currently displayed child view. 2763db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen */ 2773db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen public int getDisplayedChild() { 2783db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen return mWhichChild; 2793db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen } 2803db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen 2813db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen /** 2823db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen * Manually shows the next child. 2833db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen */ 2843db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen public void showNext() { 2853db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen setDisplayedChild(mWhichChild + 1); 2863db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen } 2873db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen 2883db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen /** 2893db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen * Manually shows the previous child. 2903db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen */ 2913db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen public void showPrevious() { 2923db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen setDisplayedChild(mWhichChild - 1); 2933db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen } 2943db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen 2953db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen /** 2963db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen * Shows only the specified child. The other displays Views exit the screen, 2973db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen * optionally with the with the {@link #getOutAnimation() out animation} and 2983db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen * the specified child enters the screen, optionally with the 2993db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen * {@link #getInAnimation() in animation}. 3003db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen * 3013db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen * @param childIndex The index of the child to be shown. 3023db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen * @param animate Whether or not to use the in and out animations, defaults 3033db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen * to true. 3043db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen */ 3053db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen void showOnly(int childIndex, boolean animate) { 3063db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen showOnly(childIndex, animate, false); 3073db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen } 3083db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen 30944729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen private int modulo(int pos, int size) { 31044729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen return (size + (pos % size)) % size; 3113db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen } 3123db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen 31344729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen /** 31444729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen * Get the view at this index relative to the current window's start 31544729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen * 31644729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen * @param relativeIndex Position relative to the current window's start 31744729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen * @return View at this index, null if the index is outside the bounds 31844729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen */ 31944729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen View getViewAtRelativeIndex(int relativeIndex) { 32044729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen if (relativeIndex >= 0 && relativeIndex <= mNumActiveViews - 1) { 32144729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen int index = mCurrentWindowStartUnbounded + relativeIndex; 32244729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen return mActiveViews[modulo(index, mNumActiveViews)]; 32344729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen } 32444729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen return null; 32544729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen } 3263db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen 3279b073948cfb84c0dd04f8a94ee1f7f263f027c83Adam Cohen LayoutParams createOrReuseLayoutParams(View v) { 3285b53f9186e7812c93bc578d18e92cb123481fcbcRomain Guy final ViewGroup.LayoutParams currentLp = v.getLayoutParams(); 3299b073948cfb84c0dd04f8a94ee1f7f263f027c83Adam Cohen if (currentLp instanceof ViewGroup.LayoutParams) { 330b04f7ad90b7d5d5e0998e3b56960004cf56e6e8fAdam Cohen LayoutParams lp = (LayoutParams) currentLp; 331b04f7ad90b7d5d5e0998e3b56960004cf56e6e8fAdam Cohen return lp; 33244729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen } 3339b073948cfb84c0dd04f8a94ee1f7f263f027c83Adam Cohen return new ViewGroup.LayoutParams(0, 0); 33444729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen } 3353db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen 33644729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen void showOnly(int childIndex, boolean animate, boolean onLayout) { 33744729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen if (mAdapter == null) return; 3383db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen 33944729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen for (int i = 0; i < mPreviousViews.size(); i++) { 34044729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen View viewToRemove = mPreviousViews.get(i); 34144729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen viewToRemove.clearAnimation(); 3423d07af03421f4727ef7e97c5c19e6ade50b19060Adam Cohen if (viewToRemove instanceof ViewGroup) { 3433d07af03421f4727ef7e97c5c19e6ade50b19060Adam Cohen ViewGroup vg = (ViewGroup) viewToRemove; 3443d07af03421f4727ef7e97c5c19e6ade50b19060Adam Cohen vg.removeAllViewsInLayout(); 3453d07af03421f4727ef7e97c5c19e6ade50b19060Adam Cohen } 34644729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen // applyTransformForChildAtIndex here just allows for any cleanup 34744729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen // associated with this view that may need to be done by a subclass 34844729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen applyTransformForChildAtIndex(viewToRemove, -1); 3493d07af03421f4727ef7e97c5c19e6ade50b19060Adam Cohen 35044729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen removeViewInLayout(viewToRemove); 35144729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen } 35244729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen mPreviousViews.clear(); 35344729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen int newWindowStartUnbounded = childIndex - mActiveOffset; 35444729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen int newWindowEndUnbounded = newWindowStartUnbounded + mNumActiveViews - 1; 35544729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen int newWindowStart = Math.max(0, newWindowStartUnbounded); 35644729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen int newWindowEnd = Math.min(mAdapter.getCount(), newWindowEndUnbounded); 35744729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen 35844729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen // This section clears out any items that are in our mActiveViews list 35944729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen // but are outside the effective bounds of our window (this is becomes an issue 36044729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen // at the extremities of the list, eg. where newWindowStartUnbounded < 0 or 36144729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen // newWindowEndUnbounded > mAdapter.getCount() - 1 36244729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen for (int i = newWindowStartUnbounded; i < newWindowEndUnbounded; i++) { 36344729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen if (i < newWindowStart || i > newWindowEnd) { 36444729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen int index = modulo(i, mNumActiveViews); 36544729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen if (mActiveViews[index] != null) { 36644729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen View previousView = mActiveViews[index]; 36744729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen mPreviousViews.add(previousView); 36844729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen int previousViewRelativeIndex = modulo(index - mCurrentWindowStart, 36944729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen mNumActiveViews); 37044729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen animateViewForTransition(previousViewRelativeIndex, -1, previousView); 371b04f7ad90b7d5d5e0998e3b56960004cf56e6e8fAdam Cohen mActiveViews[index] = null; 37244729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen } 3733db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen } 37444729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen } 3753db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen 37644729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen // If the window has changed 37744729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen if (! (newWindowStart == mCurrentWindowStart && newWindowEnd == mCurrentWindowEnd)) { 37844729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen // Run through the indices in the new range 37944729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen for (int i = newWindowStart; i <= newWindowEnd; i++) { 38044729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen 38144729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen int oldRelativeIndex = i - mCurrentWindowStartUnbounded; 38244729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen int newRelativeIndex = i - newWindowStartUnbounded; 38344729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen int index = modulo(i, mNumActiveViews); 38444729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen 38544729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen // If this item is in the current window, great, we just need to apply 38644729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen // the transform for it's new relative position in the window, and animate 38744729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen // between it's current and new relative positions 38844729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen if (i >= mCurrentWindowStart && i <= mCurrentWindowEnd) { 38944729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen View view = mActiveViews[index]; 39044729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen applyTransformForChildAtIndex(view, newRelativeIndex); 39144729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen animateViewForTransition(oldRelativeIndex, newRelativeIndex, view); 39244729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen 39344729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen // Otherwise this view is new, so first we have to displace the view that's 39444729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen // taking the new view's place within our cache (a circular array) 39544729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen } else { 39644729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen if (mActiveViews[index] != null) { 39744729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen View previousView = mActiveViews[index]; 39844729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen mPreviousViews.add(previousView); 39944729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen int previousViewRelativeIndex = modulo(index - mCurrentWindowStart, 40044729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen mNumActiveViews); 40144729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen animateViewForTransition(previousViewRelativeIndex, -1, previousView); 40244729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen 40344729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen if (mCurrentWindowStart > newWindowStart) { 40444729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen mViewsToBringToFront.add(previousView); 40544729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen } 40644729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen } 4073db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen 40844729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen // We've cleared a spot for the new view. Get it from the adapter, add it 40944729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen // and apply any transform / animation 41044729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen View newView = mAdapter.getView(i, null, this); 41144729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen if (newView != null) { 4123d07af03421f4727ef7e97c5c19e6ade50b19060Adam Cohen // We wrap the new view in a FrameLayout so as to respect the contract 4133d07af03421f4727ef7e97c5c19e6ade50b19060Adam Cohen // with the adapter, that is, that we don't modify this view directly 4143d07af03421f4727ef7e97c5c19e6ade50b19060Adam Cohen FrameLayout fl = new FrameLayout(mContext); 4153d07af03421f4727ef7e97c5c19e6ade50b19060Adam Cohen fl.addView(newView); 4163d07af03421f4727ef7e97c5c19e6ade50b19060Adam Cohen mActiveViews[index] = fl; 4173d07af03421f4727ef7e97c5c19e6ade50b19060Adam Cohen addViewInLayout(fl, -1, createOrReuseLayoutParams(fl)); 4183d07af03421f4727ef7e97c5c19e6ade50b19060Adam Cohen applyTransformForChildAtIndex(fl, newRelativeIndex); 4193d07af03421f4727ef7e97c5c19e6ade50b19060Adam Cohen animateViewForTransition(-1, newRelativeIndex, fl); 42044729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen } 4213db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen } 42244729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen mActiveViews[index].bringToFront(); 4233db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen } 4243db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen 42544729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen for (int i = 0; i < mViewsToBringToFront.size(); i++) { 42644729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen View v = mViewsToBringToFront.get(i); 42744729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen v.bringToFront(); 4283db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen } 42944729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen mViewsToBringToFront.clear(); 4303db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen 43144729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen mCurrentWindowStart = newWindowStart; 43244729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen mCurrentWindowEnd = newWindowEnd; 43344729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen mCurrentWindowStartUnbounded = newWindowStartUnbounded; 43444729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen } 43544729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen 43644729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen mFirstTime = false; 43744729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen if (!onLayout) { 43844729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen requestLayout(); 43944729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen invalidate(); 44044729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen } else { 44144729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen // If the Adapter tries to layout the current view when we get it using getView 44244729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen // above the layout will end up being ignored since we are currently laying out, so 44344729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen // we post a delayed requestLayout and invalidate 44444729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen mMainQueue.post(new Runnable() { 44544729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen @Override 44644729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen public void run() { 44744729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen requestLayout(); 44844729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen invalidate(); 44944729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen } 45044729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen }); 4513db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen } 4523db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen } 4533db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen 4543db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen @Override 4553db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen protected void onLayout(boolean changed, int left, int top, int right, int bottom) { 4563db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen boolean dataChanged = mDataChanged; 4573db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen if (dataChanged) { 4583db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen handleDataChanged(); 4593db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen 4603db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen // if the data changes, mWhichChild might be out of the bounds of the adapter 4613db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen // in this case, we reset mWhichChild to the beginning 4623db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen if (mWhichChild >= mAdapter.getCount()) 4633db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen mWhichChild = 0; 4643db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen 4653db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen showOnly(mWhichChild, true, true); 4663db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen } 4673db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen 4683db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen final int childCount = getChildCount(); 4693db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen for (int i = 0; i < childCount; i++) { 4703db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen final View child = getChildAt(i); 4713db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen 4723db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen int childRight = mPaddingLeft + child.getMeasuredWidth(); 4733db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen int childBottom = mPaddingTop + child.getMeasuredHeight(); 4743db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen 4759b073948cfb84c0dd04f8a94ee1f7f263f027c83Adam Cohen child.layout(mPaddingLeft, mPaddingTop, 4769b073948cfb84c0dd04f8a94ee1f7f263f027c83Adam Cohen childRight, childBottom); 4773db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen } 4783db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen mDataChanged = false; 4793db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen } 4803db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen 481b04f7ad90b7d5d5e0998e3b56960004cf56e6e8fAdam Cohen static class SavedState extends BaseSavedState { 482b04f7ad90b7d5d5e0998e3b56960004cf56e6e8fAdam Cohen int whichChild; 483b04f7ad90b7d5d5e0998e3b56960004cf56e6e8fAdam Cohen 484b04f7ad90b7d5d5e0998e3b56960004cf56e6e8fAdam Cohen /** 485b04f7ad90b7d5d5e0998e3b56960004cf56e6e8fAdam Cohen * Constructor called from {@link AdapterViewAnimator#onSaveInstanceState()} 486b04f7ad90b7d5d5e0998e3b56960004cf56e6e8fAdam Cohen */ 487b04f7ad90b7d5d5e0998e3b56960004cf56e6e8fAdam Cohen SavedState(Parcelable superState, int whichChild) { 488b04f7ad90b7d5d5e0998e3b56960004cf56e6e8fAdam Cohen super(superState); 489b04f7ad90b7d5d5e0998e3b56960004cf56e6e8fAdam Cohen this.whichChild = whichChild; 490b04f7ad90b7d5d5e0998e3b56960004cf56e6e8fAdam Cohen } 491b04f7ad90b7d5d5e0998e3b56960004cf56e6e8fAdam Cohen 492b04f7ad90b7d5d5e0998e3b56960004cf56e6e8fAdam Cohen /** 493b04f7ad90b7d5d5e0998e3b56960004cf56e6e8fAdam Cohen * Constructor called from {@link #CREATOR} 494b04f7ad90b7d5d5e0998e3b56960004cf56e6e8fAdam Cohen */ 495b04f7ad90b7d5d5e0998e3b56960004cf56e6e8fAdam Cohen private SavedState(Parcel in) { 496b04f7ad90b7d5d5e0998e3b56960004cf56e6e8fAdam Cohen super(in); 497b04f7ad90b7d5d5e0998e3b56960004cf56e6e8fAdam Cohen whichChild = in.readInt(); 498b04f7ad90b7d5d5e0998e3b56960004cf56e6e8fAdam Cohen } 499b04f7ad90b7d5d5e0998e3b56960004cf56e6e8fAdam Cohen 500b04f7ad90b7d5d5e0998e3b56960004cf56e6e8fAdam Cohen @Override 501b04f7ad90b7d5d5e0998e3b56960004cf56e6e8fAdam Cohen public void writeToParcel(Parcel out, int flags) { 502b04f7ad90b7d5d5e0998e3b56960004cf56e6e8fAdam Cohen super.writeToParcel(out, flags); 503b04f7ad90b7d5d5e0998e3b56960004cf56e6e8fAdam Cohen out.writeInt(whichChild); 504b04f7ad90b7d5d5e0998e3b56960004cf56e6e8fAdam Cohen } 505b04f7ad90b7d5d5e0998e3b56960004cf56e6e8fAdam Cohen 506b04f7ad90b7d5d5e0998e3b56960004cf56e6e8fAdam Cohen @Override 507b04f7ad90b7d5d5e0998e3b56960004cf56e6e8fAdam Cohen public String toString() { 508b04f7ad90b7d5d5e0998e3b56960004cf56e6e8fAdam Cohen return "AdapterViewAnimator.SavedState{ whichChild = " + whichChild + " }"; 509b04f7ad90b7d5d5e0998e3b56960004cf56e6e8fAdam Cohen } 510b04f7ad90b7d5d5e0998e3b56960004cf56e6e8fAdam Cohen 511b04f7ad90b7d5d5e0998e3b56960004cf56e6e8fAdam Cohen public static final Parcelable.Creator<SavedState> CREATOR 512b04f7ad90b7d5d5e0998e3b56960004cf56e6e8fAdam Cohen = new Parcelable.Creator<SavedState>() { 513b04f7ad90b7d5d5e0998e3b56960004cf56e6e8fAdam Cohen public SavedState createFromParcel(Parcel in) { 514b04f7ad90b7d5d5e0998e3b56960004cf56e6e8fAdam Cohen return new SavedState(in); 515b04f7ad90b7d5d5e0998e3b56960004cf56e6e8fAdam Cohen } 516b04f7ad90b7d5d5e0998e3b56960004cf56e6e8fAdam Cohen 517b04f7ad90b7d5d5e0998e3b56960004cf56e6e8fAdam Cohen public SavedState[] newArray(int size) { 518b04f7ad90b7d5d5e0998e3b56960004cf56e6e8fAdam Cohen return new SavedState[size]; 519b04f7ad90b7d5d5e0998e3b56960004cf56e6e8fAdam Cohen } 520b04f7ad90b7d5d5e0998e3b56960004cf56e6e8fAdam Cohen }; 521b04f7ad90b7d5d5e0998e3b56960004cf56e6e8fAdam Cohen } 522b04f7ad90b7d5d5e0998e3b56960004cf56e6e8fAdam Cohen 523b04f7ad90b7d5d5e0998e3b56960004cf56e6e8fAdam Cohen @Override 524b04f7ad90b7d5d5e0998e3b56960004cf56e6e8fAdam Cohen public Parcelable onSaveInstanceState() { 525b04f7ad90b7d5d5e0998e3b56960004cf56e6e8fAdam Cohen Parcelable superState = super.onSaveInstanceState(); 526b04f7ad90b7d5d5e0998e3b56960004cf56e6e8fAdam Cohen return new SavedState(superState, mWhichChild); 527b04f7ad90b7d5d5e0998e3b56960004cf56e6e8fAdam Cohen } 528b04f7ad90b7d5d5e0998e3b56960004cf56e6e8fAdam Cohen 529b04f7ad90b7d5d5e0998e3b56960004cf56e6e8fAdam Cohen @Override 530b04f7ad90b7d5d5e0998e3b56960004cf56e6e8fAdam Cohen public void onRestoreInstanceState(Parcelable state) { 531b04f7ad90b7d5d5e0998e3b56960004cf56e6e8fAdam Cohen SavedState ss = (SavedState) state; 532b04f7ad90b7d5d5e0998e3b56960004cf56e6e8fAdam Cohen super.onRestoreInstanceState(ss.getSuperState()); 533b04f7ad90b7d5d5e0998e3b56960004cf56e6e8fAdam Cohen 534b04f7ad90b7d5d5e0998e3b56960004cf56e6e8fAdam Cohen // Here we set mWhichChild in addition to setDisplayedChild 535b04f7ad90b7d5d5e0998e3b56960004cf56e6e8fAdam Cohen // We do the former in case mAdapter is null, and hence setDisplayedChild won't 536b04f7ad90b7d5d5e0998e3b56960004cf56e6e8fAdam Cohen // set mWhichChild 537b04f7ad90b7d5d5e0998e3b56960004cf56e6e8fAdam Cohen mWhichChild = ss.whichChild; 538b04f7ad90b7d5d5e0998e3b56960004cf56e6e8fAdam Cohen setDisplayedChild(mWhichChild); 539b04f7ad90b7d5d5e0998e3b56960004cf56e6e8fAdam Cohen } 540b04f7ad90b7d5d5e0998e3b56960004cf56e6e8fAdam Cohen 5413db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen @Override 5423db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { 5433db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen final int count = getChildCount(); 5443db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen 5453db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen int widthSpecSize = MeasureSpec.getSize(widthMeasureSpec); 5463db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen int heightSpecSize = MeasureSpec.getSize(heightMeasureSpec); 5473db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen 5483db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen for (int i = 0; i < count; i++) { 5493db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen final View child = getChildAt(i); 5503db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen 5513db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen final LayoutParams lp = (LayoutParams) child.getLayoutParams(); 5523db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen 5533db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen lp.width = widthSpecSize - mPaddingLeft - mPaddingRight; 5543db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen lp.height = heightSpecSize - mPaddingTop - mPaddingBottom; 5553db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen 5563db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen int childWidthMeasureSpec = MeasureSpec.makeMeasureSpec(lp.width, 5573db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen MeasureSpec.EXACTLY); 5583db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen int childheightMeasureSpec = MeasureSpec.makeMeasureSpec(lp.height, 5593db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen MeasureSpec.EXACTLY); 5603db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen 5613db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen child.measure(childWidthMeasureSpec, childheightMeasureSpec); 5623db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen } 5633db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen setMeasuredDimension(widthSpecSize, heightSpecSize); 5643db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen } 5653db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen 5663db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen /** 5673db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen * Shows only the specified child. The other displays Views exit the screen 5683db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen * with the {@link #getOutAnimation() out animation} and the specified child 5693db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen * enters the screen with the {@link #getInAnimation() in animation}. 5703db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen * 5713db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen * @param childIndex The index of the child to be shown. 5723db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen */ 5733db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen void showOnly(int childIndex) { 5743db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen final boolean animate = (!mFirstTime || mAnimateFirstTime); 5753db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen showOnly(childIndex, animate); 5763db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen } 5773db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen 5783db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen /** 5793db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen * Returns the View corresponding to the currently displayed child. 5803db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen * 5813db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen * @return The View currently displayed. 5823db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen * 5833db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen * @see #getDisplayedChild() 5843db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen */ 5853db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen public View getCurrentView() { 58644729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen return getViewAtRelativeIndex(mActiveOffset); 5873db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen } 5883db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen 5893db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen /** 5903db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen * Returns the current animation used to animate a View that enters the screen. 5913db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen * 5923db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen * @return An Animation or null if none is set. 5933db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen * 5943db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen * @see #setInAnimation(android.view.animation.Animation) 5953db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen * @see #setInAnimation(android.content.Context, int) 5963db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen */ 5973db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen public Animation getInAnimation() { 5983db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen return mInAnimation; 5993db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen } 6003db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen 6013db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen /** 6023db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen * Specifies the animation used to animate a View that enters the screen. 6033db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen * 6043db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen * @param inAnimation The animation started when a View enters the screen. 6053db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen * 6063db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen * @see #getInAnimation() 6073db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen * @see #setInAnimation(android.content.Context, int) 6083db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen */ 6093db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen public void setInAnimation(Animation inAnimation) { 6103db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen mInAnimation = inAnimation; 6113db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen } 6123db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen 6133db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen /** 6143db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen * Returns the current animation used to animate a View that exits the screen. 6153db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen * 6163db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen * @return An Animation or null if none is set. 6173db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen * 6183db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen * @see #setOutAnimation(android.view.animation.Animation) 6193db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen * @see #setOutAnimation(android.content.Context, int) 6203db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen */ 6213db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen public Animation getOutAnimation() { 6223db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen return mOutAnimation; 6233db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen } 6243db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen 6253db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen /** 6263db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen * Specifies the animation used to animate a View that exit the screen. 6273db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen * 6283db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen * @param outAnimation The animation started when a View exit the screen. 6293db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen * 6303db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen * @see #getOutAnimation() 6313db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen * @see #setOutAnimation(android.content.Context, int) 6323db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen */ 6333db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen public void setOutAnimation(Animation outAnimation) { 6343db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen mOutAnimation = outAnimation; 6353db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen } 6363db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen 6373db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen /** 6383db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen * Specifies the animation used to animate a View that enters the screen. 6393db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen * 6403db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen * @param context The application's environment. 6413db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen * @param resourceID The resource id of the animation. 6423db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen * 6433db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen * @see #getInAnimation() 6443db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen * @see #setInAnimation(android.view.animation.Animation) 6453db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen */ 6463db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen public void setInAnimation(Context context, int resourceID) { 6473db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen setInAnimation(AnimationUtils.loadAnimation(context, resourceID)); 6483db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen } 6493db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen 6503db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen /** 6513db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen * Specifies the animation used to animate a View that exit the screen. 6523db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen * 6533db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen * @param context The application's environment. 6543db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen * @param resourceID The resource id of the animation. 6553db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen * 6563db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen * @see #getOutAnimation() 6573db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen * @see #setOutAnimation(android.view.animation.Animation) 6583db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen */ 6593db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen public void setOutAnimation(Context context, int resourceID) { 6603db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen setOutAnimation(AnimationUtils.loadAnimation(context, resourceID)); 6613db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen } 6623db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen 6633db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen /** 6643db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen * Indicates whether the current View should be animated the first time 6653db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen * the ViewAnimation is displayed. 6663db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen * 6673db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen * @param animate True to animate the current View the first time it is displayed, 6683db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen * false otherwise. 6693db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen */ 6703db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen public void setAnimateFirstView(boolean animate) { 6713db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen mAnimateFirstTime = animate; 6723db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen } 6733db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen 6743db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen @Override 6753db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen public int getBaseline() { 6763db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen return (getCurrentView() != null) ? getCurrentView().getBaseline() : super.getBaseline(); 6773db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen } 6783db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen 6793db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen @Override 6803db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen public Adapter getAdapter() { 6813db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen return mAdapter; 6823db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen } 6833db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen 6843db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen @Override 6853db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen public void setAdapter(Adapter adapter) { 6868322834a2544a673a35c5d4ad0d5909b3ca37600Adam Cohen if (mAdapter != null && mDataSetObserver != null) { 6878322834a2544a673a35c5d4ad0d5909b3ca37600Adam Cohen mAdapter.unregisterDataSetObserver(mDataSetObserver); 6888322834a2544a673a35c5d4ad0d5909b3ca37600Adam Cohen } 6898322834a2544a673a35c5d4ad0d5909b3ca37600Adam Cohen 6903db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen mAdapter = adapter; 6911480fddea874a42adb43b4bcdac6704e4c3e110bAdam Cohen checkFocus(); 6923db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen 6933db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen if (mAdapter != null) { 6943db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen mDataSetObserver = new AdapterDataSetObserver(); 6953db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen mAdapter.registerDataSetObserver(mDataSetObserver); 6963db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen } 69744729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen setFocusable(true); 6983db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen } 6993db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen 7003db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen /** 70144729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen * Sets up this AdapterViewAnimator to use a remote views adapter which connects to a 70244729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen * RemoteViewsService through the specified intent. 70344729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen * 70444729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen * @param intent the intent used to identify the RemoteViewsService for the adapter to 70544729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen * connect to. 7063db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen */ 7073db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen @android.view.RemotableViewMethod 7083db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen public void setRemoteViewsAdapter(Intent intent) { 7093db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen mRemoteViewsAdapter = new RemoteViewsAdapter(getContext(), intent, this); 7103db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen } 7113db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen 7123db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen @Override 7133db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen public void setSelection(int position) { 7143db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen setDisplayedChild(position); 7153db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen } 7163db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen 7173db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen @Override 7183db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen public View getSelectedView() { 71944729e3d1c01265858eec566c7b7c676c46a7916Adam Cohen return getViewAtRelativeIndex(mActiveOffset); 7203db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen } 7213db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen 7223db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen /** 7233db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen * Called back when the adapter connects to the RemoteViewsService. 7243db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen */ 7253db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen public void onRemoteAdapterConnected() { 7263db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen if (mRemoteViewsAdapter != mAdapter) { 7273db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen setAdapter(mRemoteViewsAdapter); 7283db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen } 7293db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen } 7303db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen 7313db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen /** 7323db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen * Called back when the adapter disconnects from the RemoteViewsService. 7333db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen */ 7343db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen public void onRemoteAdapterDisconnected() { 7353db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen if (mRemoteViewsAdapter != mAdapter) { 7363db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen mRemoteViewsAdapter = null; 7373db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen setAdapter(mRemoteViewsAdapter); 7383db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen } 7393db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen } 7403db40678d33c2b5f90c380966d36b3e10ed11f05Adam Cohen} 741