Merge pull request #13019 from dustdfg/orphaned_again
Remove file orphaned for long time
This commit is contained in:
Aayush Gupta
GitHub
commit
fe836beb87
1 changed files with 0 additions and 249 deletions
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/*
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* Copyright 2018 Mauricio Colli <mauriciocolli@outlook.com>
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* CollapsibleView.java is part of NewPipe
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*
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* License: GPL-3.0+
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package org.schabi.newpipe.views;
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import static org.schabi.newpipe.MainActivity.DEBUG;
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import static java.lang.annotation.RetentionPolicy.SOURCE;
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import android.animation.ValueAnimator;
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import android.content.Context;
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import android.os.Parcelable;
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import android.util.AttributeSet;
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import android.util.Log;
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import android.widget.LinearLayout;
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import androidx.annotation.IntDef;
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import androidx.annotation.Nullable;
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import com.evernote.android.state.State;
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import com.livefront.bridge.Bridge;
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import org.schabi.newpipe.ktx.ViewUtils;
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import java.lang.annotation.Retention;
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import java.util.ArrayList;
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import java.util.List;
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/**
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* A view that can be fully collapsed and expanded.
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*/
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public class CollapsibleView extends LinearLayout {
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private static final String TAG = CollapsibleView.class.getSimpleName();
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private static final int ANIMATION_DURATION = 420;
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public static final int COLLAPSED = 0;
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public static final int EXPANDED = 1;
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@State
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@ViewMode
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int currentState = COLLAPSED;
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private boolean readyToChangeState;
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private int targetHeight = -1;
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private ValueAnimator currentAnimator;
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private final List<StateListener> listeners = new ArrayList<>();
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public CollapsibleView(final Context context) {
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super(context);
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}
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public CollapsibleView(final Context context, @Nullable final AttributeSet attrs) {
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super(context, attrs);
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}
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public CollapsibleView(final Context context, @Nullable final AttributeSet attrs,
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final int defStyleAttr) {
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super(context, attrs, defStyleAttr);
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}
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public CollapsibleView(final Context context, final AttributeSet attrs, final int defStyleAttr,
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final int defStyleRes) {
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super(context, attrs, defStyleAttr, defStyleRes);
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}
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/*//////////////////////////////////////////////////////////////////////////
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// Collapse/expand logic
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//////////////////////////////////////////////////////////////////////////*/
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/**
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* This method recalculates the height of this view so it <b>must</b> be called when
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* some child changes (e.g. add new views, change text).
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*/
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public void ready() {
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if (DEBUG) {
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Log.d(TAG, getDebugLogString("ready() called"));
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}
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measure(MeasureSpec.makeMeasureSpec(getWidth(), MeasureSpec.AT_MOST),
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MeasureSpec.UNSPECIFIED);
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targetHeight = getMeasuredHeight();
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getLayoutParams().height = currentState == COLLAPSED ? 0 : targetHeight;
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requestLayout();
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broadcastState();
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readyToChangeState = true;
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if (DEBUG) {
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Log.d(TAG, getDebugLogString("ready() *after* measuring"));
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}
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}
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public void collapse() {
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if (DEBUG) {
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Log.d(TAG, getDebugLogString("collapse() called"));
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}
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if (!readyToChangeState) {
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return;
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}
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final int height = getHeight();
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if (height == 0) {
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setCurrentState(COLLAPSED);
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return;
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}
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if (currentAnimator != null && currentAnimator.isRunning()) {
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currentAnimator.cancel();
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}
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currentAnimator = ViewUtils.animateHeight(this, ANIMATION_DURATION, 0);
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setCurrentState(COLLAPSED);
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}
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public void expand() {
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if (DEBUG) {
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Log.d(TAG, getDebugLogString("expand() called"));
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}
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if (!readyToChangeState) {
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return;
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}
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final int height = getHeight();
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if (height == this.targetHeight) {
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setCurrentState(EXPANDED);
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return;
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}
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if (currentAnimator != null && currentAnimator.isRunning()) {
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currentAnimator.cancel();
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}
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currentAnimator = ViewUtils.animateHeight(this, ANIMATION_DURATION, this.targetHeight);
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setCurrentState(EXPANDED);
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}
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public void switchState() {
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if (!readyToChangeState) {
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return;
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}
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if (currentState == COLLAPSED) {
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expand();
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} else {
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collapse();
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}
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}
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@ViewMode
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public int getCurrentState() {
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return currentState;
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}
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public void setCurrentState(@ViewMode final int currentState) {
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this.currentState = currentState;
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broadcastState();
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}
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public void broadcastState() {
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for (final StateListener listener : listeners) {
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listener.onStateChanged(currentState);
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}
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}
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/**
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* Add a listener which will be listening for changes in this view (i.e. collapsed or expanded).
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* @param listener {@link StateListener} to be added
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*/
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public void addListener(final StateListener listener) {
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if (listeners.contains(listener)) {
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throw new IllegalStateException("Trying to add the same listener multiple times");
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}
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listeners.add(listener);
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}
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/**
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* Remove a listener so it doesn't receive more state changes.
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* @param listener {@link StateListener} to be removed
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*/
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public void removeListener(final StateListener listener) {
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listeners.remove(listener);
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}
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/*//////////////////////////////////////////////////////////////////////////
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// State Saving
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//////////////////////////////////////////////////////////////////////////*/
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@Nullable
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@Override
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public Parcelable onSaveInstanceState() {
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return Bridge.saveInstanceState(this, super.onSaveInstanceState());
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}
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@Override
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public void onRestoreInstanceState(final Parcelable state) {
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super.onRestoreInstanceState(Bridge.restoreInstanceState(this, state));
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ready();
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}
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/*//////////////////////////////////////////////////////////////////////////
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// Internal
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//////////////////////////////////////////////////////////////////////////*/
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public String getDebugLogString(final String description) {
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return String.format("%-100s → %s",
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description, "readyToChangeState = [" + readyToChangeState + "], "
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+ "currentState = [" + currentState + "], "
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+ "targetHeight = [" + targetHeight + "], "
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+ "mW x mH = [" + getMeasuredWidth() + "x" + getMeasuredHeight() + "], "
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+ "W x H = [" + getWidth() + "x" + getHeight() + "]");
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}
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@Retention(SOURCE)
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@IntDef({COLLAPSED, EXPANDED})
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public @interface ViewMode { }
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/**
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* Simple interface used for listening state changes of the {@link CollapsibleView}.
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*/
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public interface StateListener {
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/**
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* Called when the state changes.
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*
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* @param newState the state that the {@link CollapsibleView} transitioned to,<br/>
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* it's an integer being either {@link #COLLAPSED} or {@link #EXPANDED}
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*/
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void onStateChanged(@ViewMode int newState);
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}
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}
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