ADD week 5
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243
02-Easy5/E5/sources/androidx/fragment/app/ListFragment.java
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243
02-Easy5/E5/sources/androidx/fragment/app/ListFragment.java
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package androidx.fragment.app;
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import android.R;
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import android.content.Context;
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import android.os.Bundle;
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import android.os.Handler;
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import android.view.LayoutInflater;
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import android.view.View;
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import android.view.ViewGroup;
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import android.view.animation.AnimationUtils;
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import android.widget.AdapterView;
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import android.widget.FrameLayout;
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import android.widget.LinearLayout;
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import android.widget.ListAdapter;
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import android.widget.ListView;
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import android.widget.ProgressBar;
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import android.widget.TextView;
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/* loaded from: classes.dex */
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public class ListFragment extends Fragment {
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static final int INTERNAL_EMPTY_ID = 16711681;
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static final int INTERNAL_LIST_CONTAINER_ID = 16711683;
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static final int INTERNAL_PROGRESS_CONTAINER_ID = 16711682;
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ListAdapter mAdapter;
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CharSequence mEmptyText;
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View mEmptyView;
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ListView mList;
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View mListContainer;
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boolean mListShown;
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View mProgressContainer;
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TextView mStandardEmptyView;
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private final Handler mHandler = new Handler();
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private final Runnable mRequestFocus = new Runnable() { // from class: androidx.fragment.app.ListFragment.1
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@Override // java.lang.Runnable
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public void run() {
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ListFragment.this.mList.focusableViewAvailable(ListFragment.this.mList);
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}
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};
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private final AdapterView.OnItemClickListener mOnClickListener = new AdapterView.OnItemClickListener() { // from class: androidx.fragment.app.ListFragment.2
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@Override // android.widget.AdapterView.OnItemClickListener
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public void onItemClick(AdapterView<?> adapterView, View view, int i, long j) {
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ListFragment.this.onListItemClick((ListView) adapterView, view, i, j);
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}
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};
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public ListAdapter getListAdapter() {
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return this.mAdapter;
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}
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public void onListItemClick(ListView listView, View view, int i, long j) {
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}
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@Override // androidx.fragment.app.Fragment
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public View onCreateView(LayoutInflater layoutInflater, ViewGroup viewGroup, Bundle bundle) {
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Context requireContext = requireContext();
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FrameLayout frameLayout = new FrameLayout(requireContext);
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LinearLayout linearLayout = new LinearLayout(requireContext);
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linearLayout.setId(INTERNAL_PROGRESS_CONTAINER_ID);
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linearLayout.setOrientation(1);
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linearLayout.setVisibility(8);
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linearLayout.setGravity(17);
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linearLayout.addView(new ProgressBar(requireContext, null, R.attr.progressBarStyleLarge), new FrameLayout.LayoutParams(-2, -2));
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frameLayout.addView(linearLayout, new FrameLayout.LayoutParams(-1, -1));
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FrameLayout frameLayout2 = new FrameLayout(requireContext);
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frameLayout2.setId(INTERNAL_LIST_CONTAINER_ID);
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TextView textView = new TextView(requireContext);
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textView.setId(INTERNAL_EMPTY_ID);
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textView.setGravity(17);
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frameLayout2.addView(textView, new FrameLayout.LayoutParams(-1, -1));
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ListView listView = new ListView(requireContext);
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listView.setId(R.id.list);
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listView.setDrawSelectorOnTop(false);
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frameLayout2.addView(listView, new FrameLayout.LayoutParams(-1, -1));
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frameLayout.addView(frameLayout2, new FrameLayout.LayoutParams(-1, -1));
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frameLayout.setLayoutParams(new FrameLayout.LayoutParams(-1, -1));
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return frameLayout;
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}
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@Override // androidx.fragment.app.Fragment
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public void onViewCreated(View view, Bundle bundle) {
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super.onViewCreated(view, bundle);
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ensureList();
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}
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@Override // androidx.fragment.app.Fragment
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public void onDestroyView() {
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this.mHandler.removeCallbacks(this.mRequestFocus);
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this.mList = null;
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this.mListShown = false;
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this.mListContainer = null;
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this.mProgressContainer = null;
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this.mEmptyView = null;
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this.mStandardEmptyView = null;
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super.onDestroyView();
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}
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public void setListAdapter(ListAdapter listAdapter) {
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boolean z = this.mAdapter != null;
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this.mAdapter = listAdapter;
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ListView listView = this.mList;
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if (listView != null) {
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listView.setAdapter(listAdapter);
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if (this.mListShown || z) {
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return;
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}
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setListShown(true, requireView().getWindowToken() != null);
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}
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}
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public void setSelection(int i) {
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ensureList();
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this.mList.setSelection(i);
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}
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public int getSelectedItemPosition() {
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ensureList();
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return this.mList.getSelectedItemPosition();
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}
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public long getSelectedItemId() {
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ensureList();
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return this.mList.getSelectedItemId();
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}
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public ListView getListView() {
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ensureList();
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return this.mList;
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}
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public void setEmptyText(CharSequence charSequence) {
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ensureList();
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TextView textView = this.mStandardEmptyView;
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if (textView == null) {
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throw new IllegalStateException("Can't be used with a custom content view");
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}
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textView.setText(charSequence);
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if (this.mEmptyText == null) {
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this.mList.setEmptyView(this.mStandardEmptyView);
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}
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this.mEmptyText = charSequence;
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}
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public void setListShown(boolean z) {
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setListShown(z, true);
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}
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public void setListShownNoAnimation(boolean z) {
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setListShown(z, false);
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}
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private void setListShown(boolean z, boolean z2) {
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ensureList();
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View view = this.mProgressContainer;
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if (view == null) {
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throw new IllegalStateException("Can't be used with a custom content view");
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}
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if (this.mListShown == z) {
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return;
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}
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this.mListShown = z;
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if (z) {
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if (z2) {
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view.startAnimation(AnimationUtils.loadAnimation(getContext(), R.anim.fade_out));
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this.mListContainer.startAnimation(AnimationUtils.loadAnimation(getContext(), R.anim.fade_in));
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} else {
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view.clearAnimation();
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this.mListContainer.clearAnimation();
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}
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this.mProgressContainer.setVisibility(8);
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this.mListContainer.setVisibility(0);
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return;
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}
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if (z2) {
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view.startAnimation(AnimationUtils.loadAnimation(getContext(), R.anim.fade_in));
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this.mListContainer.startAnimation(AnimationUtils.loadAnimation(getContext(), R.anim.fade_out));
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} else {
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view.clearAnimation();
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this.mListContainer.clearAnimation();
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}
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this.mProgressContainer.setVisibility(0);
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this.mListContainer.setVisibility(8);
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}
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public final ListAdapter requireListAdapter() {
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ListAdapter listAdapter = getListAdapter();
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if (listAdapter != null) {
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return listAdapter;
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}
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throw new IllegalStateException("ListFragment " + this + " does not have a ListAdapter.");
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}
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private void ensureList() {
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if (this.mList != null) {
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return;
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}
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View view = getView();
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if (view == null) {
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throw new IllegalStateException("Content view not yet created");
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}
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if (view instanceof ListView) {
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this.mList = (ListView) view;
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} else {
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TextView textView = (TextView) view.findViewById(INTERNAL_EMPTY_ID);
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this.mStandardEmptyView = textView;
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if (textView == null) {
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this.mEmptyView = view.findViewById(R.id.empty);
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} else {
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textView.setVisibility(8);
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}
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this.mProgressContainer = view.findViewById(INTERNAL_PROGRESS_CONTAINER_ID);
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this.mListContainer = view.findViewById(INTERNAL_LIST_CONTAINER_ID);
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View findViewById = view.findViewById(R.id.list);
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if (!(findViewById instanceof ListView)) {
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if (findViewById == null) {
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throw new RuntimeException("Your content must have a ListView whose id attribute is 'android.R.id.list'");
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}
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throw new RuntimeException("Content has view with id attribute 'android.R.id.list' that is not a ListView class");
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}
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ListView listView = (ListView) findViewById;
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this.mList = listView;
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View view2 = this.mEmptyView;
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if (view2 != null) {
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listView.setEmptyView(view2);
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} else {
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CharSequence charSequence = this.mEmptyText;
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if (charSequence != null) {
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this.mStandardEmptyView.setText(charSequence);
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this.mList.setEmptyView(this.mStandardEmptyView);
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}
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}
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}
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this.mListShown = true;
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this.mList.setOnItemClickListener(this.mOnClickListener);
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ListAdapter listAdapter = this.mAdapter;
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if (listAdapter != null) {
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this.mAdapter = null;
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setListAdapter(listAdapter);
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} else if (this.mProgressContainer != null) {
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setListShown(false, false);
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}
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this.mHandler.post(this.mRequestFocus);
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}
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}
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