105 lines
2.8 KiB
Java
105 lines
2.8 KiB
Java
package androidx.viewpager.widget;
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import android.database.DataSetObservable;
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import android.database.DataSetObserver;
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import android.os.Parcelable;
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import android.view.View;
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import android.view.ViewGroup;
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/* loaded from: classes.dex */
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public abstract class PagerAdapter {
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public static final int POSITION_NONE = -2;
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public static final int POSITION_UNCHANGED = -1;
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private final DataSetObservable mObservable = new DataSetObservable();
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private DataSetObserver mViewPagerObserver;
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@Deprecated
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public void finishUpdate(View view) {
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}
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public abstract int getCount();
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public int getItemPosition(Object obj) {
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return -1;
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}
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public CharSequence getPageTitle(int i) {
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return null;
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}
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public float getPageWidth(int i) {
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return 1.0f;
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}
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public abstract boolean isViewFromObject(View view, Object obj);
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public void restoreState(Parcelable parcelable, ClassLoader classLoader) {
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}
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public Parcelable saveState() {
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return null;
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}
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@Deprecated
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public void setPrimaryItem(View view, int i, Object obj) {
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}
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@Deprecated
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public void startUpdate(View view) {
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}
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public void startUpdate(ViewGroup viewGroup) {
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startUpdate((View) viewGroup);
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}
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public Object instantiateItem(ViewGroup viewGroup, int i) {
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return instantiateItem((View) viewGroup, i);
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}
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public void destroyItem(ViewGroup viewGroup, int i, Object obj) {
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destroyItem((View) viewGroup, i, obj);
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}
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public void setPrimaryItem(ViewGroup viewGroup, int i, Object obj) {
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setPrimaryItem((View) viewGroup, i, obj);
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}
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public void finishUpdate(ViewGroup viewGroup) {
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finishUpdate((View) viewGroup);
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}
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@Deprecated
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public Object instantiateItem(View view, int i) {
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throw new UnsupportedOperationException("Required method instantiateItem was not overridden");
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}
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@Deprecated
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public void destroyItem(View view, int i, Object obj) {
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throw new UnsupportedOperationException("Required method destroyItem was not overridden");
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}
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public void notifyDataSetChanged() {
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synchronized (this) {
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DataSetObserver dataSetObserver = this.mViewPagerObserver;
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if (dataSetObserver != null) {
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dataSetObserver.onChanged();
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}
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}
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this.mObservable.notifyChanged();
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}
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public void registerDataSetObserver(DataSetObserver dataSetObserver) {
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this.mObservable.registerObserver(dataSetObserver);
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}
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public void unregisterDataSetObserver(DataSetObserver dataSetObserver) {
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this.mObservable.unregisterObserver(dataSetObserver);
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}
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void setViewPagerObserver(DataSetObserver dataSetObserver) {
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synchronized (this) {
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this.mViewPagerObserver = dataSetObserver;
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}
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}
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}
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