250 lines
11 KiB
Java
250 lines
11 KiB
Java
package androidx.fragment.app;
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import android.content.Context;
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import android.os.Bundle;
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import android.view.View;
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import androidx.annotation.NonNull;
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import androidx.annotation.Nullable;
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import androidx.fragment.app.FragmentManager;
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import java.util.Iterator;
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import java.util.concurrent.CopyOnWriteArrayList;
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public class FragmentLifecycleCallbacksDispatcher {
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@NonNull
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private final FragmentManager mFragmentManager;
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@NonNull
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private final CopyOnWriteArrayList<FragmentLifecycleCallbacksHolder> mLifecycleCallbacks = new CopyOnWriteArrayList<>();
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public static final class FragmentLifecycleCallbacksHolder {
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@NonNull
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public final FragmentManager.FragmentLifecycleCallbacks mCallback;
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public final boolean mRecursive;
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public FragmentLifecycleCallbacksHolder(@NonNull FragmentManager.FragmentLifecycleCallbacks fragmentLifecycleCallbacks, boolean z2) {
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this.mCallback = fragmentLifecycleCallbacks;
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this.mRecursive = z2;
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}
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}
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public FragmentLifecycleCallbacksDispatcher(@NonNull FragmentManager fragmentManager) {
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this.mFragmentManager = fragmentManager;
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}
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public void dispatchOnFragmentActivityCreated(@NonNull Fragment fragment, @Nullable Bundle bundle, boolean z2) {
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Fragment parent = this.mFragmentManager.getParent();
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if (parent != null) {
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parent.getParentFragmentManager().getLifecycleCallbacksDispatcher().dispatchOnFragmentActivityCreated(fragment, bundle, true);
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}
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Iterator<FragmentLifecycleCallbacksHolder> it = this.mLifecycleCallbacks.iterator();
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while (it.hasNext()) {
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FragmentLifecycleCallbacksHolder next = it.next();
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if (!z2 || next.mRecursive) {
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next.mCallback.onFragmentActivityCreated(this.mFragmentManager, fragment, bundle);
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}
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}
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}
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public void dispatchOnFragmentAttached(@NonNull Fragment fragment, boolean z2) {
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Context context = this.mFragmentManager.getHost().getContext();
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Fragment parent = this.mFragmentManager.getParent();
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if (parent != null) {
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parent.getParentFragmentManager().getLifecycleCallbacksDispatcher().dispatchOnFragmentAttached(fragment, true);
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}
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Iterator<FragmentLifecycleCallbacksHolder> it = this.mLifecycleCallbacks.iterator();
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while (it.hasNext()) {
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FragmentLifecycleCallbacksHolder next = it.next();
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if (!z2 || next.mRecursive) {
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next.mCallback.onFragmentAttached(this.mFragmentManager, fragment, context);
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}
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}
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}
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public void dispatchOnFragmentCreated(@NonNull Fragment fragment, @Nullable Bundle bundle, boolean z2) {
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Fragment parent = this.mFragmentManager.getParent();
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if (parent != null) {
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parent.getParentFragmentManager().getLifecycleCallbacksDispatcher().dispatchOnFragmentCreated(fragment, bundle, true);
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}
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Iterator<FragmentLifecycleCallbacksHolder> it = this.mLifecycleCallbacks.iterator();
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while (it.hasNext()) {
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FragmentLifecycleCallbacksHolder next = it.next();
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if (!z2 || next.mRecursive) {
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next.mCallback.onFragmentCreated(this.mFragmentManager, fragment, bundle);
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}
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}
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}
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public void dispatchOnFragmentDestroyed(@NonNull Fragment fragment, boolean z2) {
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Fragment parent = this.mFragmentManager.getParent();
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if (parent != null) {
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parent.getParentFragmentManager().getLifecycleCallbacksDispatcher().dispatchOnFragmentDestroyed(fragment, true);
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}
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Iterator<FragmentLifecycleCallbacksHolder> it = this.mLifecycleCallbacks.iterator();
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while (it.hasNext()) {
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FragmentLifecycleCallbacksHolder next = it.next();
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if (!z2 || next.mRecursive) {
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next.mCallback.onFragmentDestroyed(this.mFragmentManager, fragment);
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}
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}
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}
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public void dispatchOnFragmentDetached(@NonNull Fragment fragment, boolean z2) {
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Fragment parent = this.mFragmentManager.getParent();
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if (parent != null) {
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parent.getParentFragmentManager().getLifecycleCallbacksDispatcher().dispatchOnFragmentDetached(fragment, true);
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}
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Iterator<FragmentLifecycleCallbacksHolder> it = this.mLifecycleCallbacks.iterator();
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while (it.hasNext()) {
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FragmentLifecycleCallbacksHolder next = it.next();
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if (!z2 || next.mRecursive) {
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next.mCallback.onFragmentDetached(this.mFragmentManager, fragment);
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}
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}
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}
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public void dispatchOnFragmentPaused(@NonNull Fragment fragment, boolean z2) {
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Fragment parent = this.mFragmentManager.getParent();
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if (parent != null) {
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parent.getParentFragmentManager().getLifecycleCallbacksDispatcher().dispatchOnFragmentPaused(fragment, true);
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}
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Iterator<FragmentLifecycleCallbacksHolder> it = this.mLifecycleCallbacks.iterator();
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while (it.hasNext()) {
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FragmentLifecycleCallbacksHolder next = it.next();
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if (!z2 || next.mRecursive) {
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next.mCallback.onFragmentPaused(this.mFragmentManager, fragment);
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}
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}
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}
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public void dispatchOnFragmentPreAttached(@NonNull Fragment fragment, boolean z2) {
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Context context = this.mFragmentManager.getHost().getContext();
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Fragment parent = this.mFragmentManager.getParent();
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if (parent != null) {
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parent.getParentFragmentManager().getLifecycleCallbacksDispatcher().dispatchOnFragmentPreAttached(fragment, true);
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}
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Iterator<FragmentLifecycleCallbacksHolder> it = this.mLifecycleCallbacks.iterator();
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while (it.hasNext()) {
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FragmentLifecycleCallbacksHolder next = it.next();
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if (!z2 || next.mRecursive) {
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next.mCallback.onFragmentPreAttached(this.mFragmentManager, fragment, context);
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}
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}
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}
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public void dispatchOnFragmentPreCreated(@NonNull Fragment fragment, @Nullable Bundle bundle, boolean z2) {
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Fragment parent = this.mFragmentManager.getParent();
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if (parent != null) {
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parent.getParentFragmentManager().getLifecycleCallbacksDispatcher().dispatchOnFragmentPreCreated(fragment, bundle, true);
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}
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Iterator<FragmentLifecycleCallbacksHolder> it = this.mLifecycleCallbacks.iterator();
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while (it.hasNext()) {
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FragmentLifecycleCallbacksHolder next = it.next();
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if (!z2 || next.mRecursive) {
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next.mCallback.onFragmentPreCreated(this.mFragmentManager, fragment, bundle);
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}
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}
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}
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public void dispatchOnFragmentResumed(@NonNull Fragment fragment, boolean z2) {
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Fragment parent = this.mFragmentManager.getParent();
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if (parent != null) {
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parent.getParentFragmentManager().getLifecycleCallbacksDispatcher().dispatchOnFragmentResumed(fragment, true);
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}
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Iterator<FragmentLifecycleCallbacksHolder> it = this.mLifecycleCallbacks.iterator();
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while (it.hasNext()) {
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FragmentLifecycleCallbacksHolder next = it.next();
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if (!z2 || next.mRecursive) {
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next.mCallback.onFragmentResumed(this.mFragmentManager, fragment);
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}
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}
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}
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public void dispatchOnFragmentSaveInstanceState(@NonNull Fragment fragment, @NonNull Bundle bundle, boolean z2) {
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Fragment parent = this.mFragmentManager.getParent();
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if (parent != null) {
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parent.getParentFragmentManager().getLifecycleCallbacksDispatcher().dispatchOnFragmentSaveInstanceState(fragment, bundle, true);
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}
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Iterator<FragmentLifecycleCallbacksHolder> it = this.mLifecycleCallbacks.iterator();
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while (it.hasNext()) {
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FragmentLifecycleCallbacksHolder next = it.next();
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if (!z2 || next.mRecursive) {
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next.mCallback.onFragmentSaveInstanceState(this.mFragmentManager, fragment, bundle);
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}
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}
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}
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public void dispatchOnFragmentStarted(@NonNull Fragment fragment, boolean z2) {
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Fragment parent = this.mFragmentManager.getParent();
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if (parent != null) {
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parent.getParentFragmentManager().getLifecycleCallbacksDispatcher().dispatchOnFragmentStarted(fragment, true);
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}
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Iterator<FragmentLifecycleCallbacksHolder> it = this.mLifecycleCallbacks.iterator();
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while (it.hasNext()) {
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FragmentLifecycleCallbacksHolder next = it.next();
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if (!z2 || next.mRecursive) {
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next.mCallback.onFragmentStarted(this.mFragmentManager, fragment);
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}
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}
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}
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public void dispatchOnFragmentStopped(@NonNull Fragment fragment, boolean z2) {
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Fragment parent = this.mFragmentManager.getParent();
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if (parent != null) {
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parent.getParentFragmentManager().getLifecycleCallbacksDispatcher().dispatchOnFragmentStopped(fragment, true);
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}
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Iterator<FragmentLifecycleCallbacksHolder> it = this.mLifecycleCallbacks.iterator();
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while (it.hasNext()) {
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FragmentLifecycleCallbacksHolder next = it.next();
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if (!z2 || next.mRecursive) {
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next.mCallback.onFragmentStopped(this.mFragmentManager, fragment);
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}
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}
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}
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public void dispatchOnFragmentViewCreated(@NonNull Fragment fragment, @NonNull View view, @Nullable Bundle bundle, boolean z2) {
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Fragment parent = this.mFragmentManager.getParent();
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if (parent != null) {
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parent.getParentFragmentManager().getLifecycleCallbacksDispatcher().dispatchOnFragmentViewCreated(fragment, view, bundle, true);
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}
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Iterator<FragmentLifecycleCallbacksHolder> it = this.mLifecycleCallbacks.iterator();
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while (it.hasNext()) {
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FragmentLifecycleCallbacksHolder next = it.next();
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if (!z2 || next.mRecursive) {
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next.mCallback.onFragmentViewCreated(this.mFragmentManager, fragment, view, bundle);
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}
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}
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}
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public void dispatchOnFragmentViewDestroyed(@NonNull Fragment fragment, boolean z2) {
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Fragment parent = this.mFragmentManager.getParent();
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if (parent != null) {
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parent.getParentFragmentManager().getLifecycleCallbacksDispatcher().dispatchOnFragmentViewDestroyed(fragment, true);
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}
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Iterator<FragmentLifecycleCallbacksHolder> it = this.mLifecycleCallbacks.iterator();
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while (it.hasNext()) {
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FragmentLifecycleCallbacksHolder next = it.next();
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if (!z2 || next.mRecursive) {
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next.mCallback.onFragmentViewDestroyed(this.mFragmentManager, fragment);
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}
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}
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}
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public void registerFragmentLifecycleCallbacks(@NonNull FragmentManager.FragmentLifecycleCallbacks fragmentLifecycleCallbacks, boolean z2) {
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this.mLifecycleCallbacks.add(new FragmentLifecycleCallbacksHolder(fragmentLifecycleCallbacks, z2));
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}
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public void unregisterFragmentLifecycleCallbacks(@NonNull FragmentManager.FragmentLifecycleCallbacks fragmentLifecycleCallbacks) {
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synchronized (this.mLifecycleCallbacks) {
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int i = 0;
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int size = this.mLifecycleCallbacks.size();
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while (true) {
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if (i >= size) {
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break;
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} else if (this.mLifecycleCallbacks.get(i).mCallback == fragmentLifecycleCallbacks) {
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this.mLifecycleCallbacks.remove(i);
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break;
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} else {
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i++;
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}
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}
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}
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}
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}
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