If you are overriding this method with your own custom content, + * consider including the standard layout {@link com.devspark.progressfragment.R.layout#fragment_progress} + * in your layout file, so that you continue to retain all of the standard + * behavior of ProgressFragment. In particular, this is currently the only + * way to have the built-in indeterminant progress state be shown. + */ + @Override + public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { + return inflater.inflate(R.layout.fragment_progress, container, false); + } + + /** + * Attach to view once the view hierarchy has been created. + */ + @Override + public void onViewCreated(View view, Bundle savedInstanceState) { + super.onViewCreated(view, savedInstanceState); + ensureContent(); + } + + /** + * Detach from view. + */ + @Override + public void onDestroyView() { + mContentShown = false; + mIsContentEmpty = false; + mProgressContainer = mContentContainer = mContentView = mEmptyView = null; + super.onDestroyView(); + } + + /** + * Return content view or null if the content view has not been initialized. + * + * @return content view or null + * @see #setContentView(android.view.View) + * @see #setContentView(int) + */ + public View getContentView() { + return mContentView; + } + + /** + * Set the content content from a layout resource. + * + * @param layoutResId Resource ID to be inflated. + * @see #setContentView(android.view.View) + * @see #getContentView() + */ + public void setContentView(int layoutResId) { + LayoutInflater layoutInflater = LayoutInflater.from(getActivity()); + View contentView = layoutInflater.inflate(layoutResId, null); + setContentView(contentView); + } + + /** + * Set the content view to an explicit view. If the content view was installed earlier, + * the content will be replaced with a new view. + * + * @param view The desired content to display. Value can't be null. + * @see #setContentView(int) + * @see #getContentView() + */ + public void setContentView(View view) { + ensureContent(); + if (view == null) { + throw new IllegalArgumentException("Content view can't be null"); + } + if (mContentContainer instanceof ViewGroup) { + ViewGroup contentContainer = (ViewGroup) mContentContainer; + if (mContentView == null) { + contentContainer.addView(view); + } else { + int index = contentContainer.indexOfChild(mContentView); + // replace content view + contentContainer.removeView(mContentView); + contentContainer.addView(view, index); + } + mContentView = view; + } else { + throw new IllegalStateException("Can't be used with a custom content view"); + } + } + + /** + * The default content for a ProgressFragment has a TextView that can be shown when + * the content is empty {@link #setContentEmpty(boolean)}. + * If you would like to have it shown, call this method to supply the text it should use. + * + * @param resId Identification of string from a resources + * @see #setEmptyText(CharSequence) + */ + public void setEmptyText(int resId) { + setEmptyText(getString(resId)); + } + + /** + * The default content for a ProgressFragment has a TextView that can be shown when + * the content is empty {@link #setContentEmpty(boolean)}. + * If you would like to have it shown, call this method to supply the text it should use. + * + * @param text Text for empty view + * @see #setEmptyText(int) + */ + public void setEmptyText(CharSequence text) { + ensureContent(); + if (mEmptyView != null && mEmptyView instanceof TextView) { + ((TextView) mEmptyView).setText(text); + } else { + throw new IllegalStateException("Can't be used with a custom content view"); + } + } + + /** + * Control whether the content is being displayed. You can make it not + * displayed if you are waiting for the initial data to show in it. During + * this time an indeterminant progress indicator will be shown instead. + * + * @param shown If true, the content view is shown; if false, the progress + * indicator. The initial value is true. + * @see #setContentShownNoAnimation(boolean) + */ + public void setContentShown(boolean shown) { + setContentShown(shown, true); + } + + /** + * Like {@link #setContentShown(boolean)}, but no animation is used when + * transitioning from the previous state. + * + * @param shown If true, the content view is shown; if false, the progress + * indicator. The initial value is true. + * @see #setContentShown(boolean) + */ + public void setContentShownNoAnimation(boolean shown) { + setContentShown(shown, false); + } + + /** + * Control whether the content is being displayed. You can make it not + * displayed if you are waiting for the initial data to show in it. During + * this time an indeterminant progress indicator will be shown instead. + * + * @param shown If true, the content view is shown; if false, the progress + * indicator. The initial value is true. + * @param animate If true, an animation will be used to transition to the + * new state. + */ + private void setContentShown(boolean shown, boolean animate) { + ensureContent(); + if (mContentShown == shown) { + return; + } + mContentShown = shown; + if (shown) { + if (animate) { + mProgressContainer.startAnimation(AnimationUtils.loadAnimation(getActivity(), android.R.anim.fade_out)); + mContentContainer.startAnimation(AnimationUtils.loadAnimation(getActivity(), android.R.anim.fade_in)); + } else { + mProgressContainer.clearAnimation(); + mContentContainer.clearAnimation(); + } + mProgressContainer.setVisibility(View.GONE); + mContentContainer.setVisibility(View.VISIBLE); + } else { + if (animate) { + mProgressContainer.startAnimation(AnimationUtils.loadAnimation(getActivity(), android.R.anim.fade_in)); + mContentContainer.startAnimation(AnimationUtils.loadAnimation(getActivity(), android.R.anim.fade_out)); + } else { + mProgressContainer.clearAnimation(); + mContentContainer.clearAnimation(); + } + mProgressContainer.setVisibility(View.VISIBLE); + mContentContainer.setVisibility(View.GONE); + } + } + + /** + * Returns true if content is empty. The default content is not empty. + * + * @return true if content is null or empty + * @see #setContentEmpty(boolean) + */ + public boolean isContentEmpty() { + return mIsContentEmpty; + } + + /** + * If the content is empty, then set true otherwise false. The default content is not empty. + * You can't call this method if the content view has not been initialized before + * {@link #setContentView(android.view.View)} and content view not null. + * + * @param isEmpty true if content is empty else false + * @see #isContentEmpty() + */ + public void setContentEmpty(boolean isEmpty) { + ensureContent(); + if (mContentView == null) { + throw new IllegalStateException("Content view must be initialized before"); + } + if (isEmpty) { + mEmptyView.setVisibility(View.VISIBLE); + mContentView.setVisibility(View.GONE); + } else { + mEmptyView.setVisibility(View.GONE); + mContentView.setVisibility(View.VISIBLE); + } + mIsContentEmpty = isEmpty; + } + + /** + * Initialization views. + */ + private void ensureContent() { + if (mContentContainer != null && mProgressContainer != null) { + return; + } + View root = getView(); + if (root == null) { + throw new IllegalStateException("Content view not yet created"); + } + mProgressContainer = root.findViewById(R.id.progress_container); + if (mProgressContainer == null) { + throw new RuntimeException("Your content must have a ViewGroup whose id attribute is 'R.id.progress_container'"); + } + mContentContainer = root.findViewById(R.id.content_container); + if (mContentContainer == null) { + throw new RuntimeException("Your content must have a ViewGroup whose id attribute is 'R.id.content_container'"); + } + mEmptyView = root.findViewById(android.R.id.empty); + if (mEmptyView != null) { + mEmptyView.setVisibility(View.GONE); + } + mContentShown = true; + // We are starting without a content, so assume we won't + // have our data right away and start with the progress indicator. + if (mContentView == null) { + setContentShown(false, false); + } + } + +} diff --git a/progressfragment-native/src/com/devspark/progressfragment/ProgressGridFragment.java b/progressfragment-native/src/com/devspark/progressfragment/ProgressGridFragment.java new file mode 100644 index 0000000..e5794a7 --- /dev/null +++ b/progressfragment-native/src/com/devspark/progressfragment/ProgressGridFragment.java @@ -0,0 +1,340 @@ +/* + * Copyright (C) 2013 Evgeny Shishkin + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package com.devspark.progressfragment; + +import android.app.Fragment; +import android.os.Bundle; +import android.os.Handler; +import android.view.LayoutInflater; +import android.view.View; +import android.view.ViewGroup; +import android.view.animation.AnimationUtils; +import android.widget.AdapterView; +import android.widget.GridView; +import android.widget.ListAdapter; +import android.widget.TextView; + +/** + * The implementation of the fragment to display grid view. Based on {@link android.app.ListFragment}. + * If you are waiting for the initial data, you'll can displaying during this time an indeterminate progress indicator. + * + * @author Evgeny Shishkin + */ +public class ProgressGridFragment extends Fragment { + + final private Handler mHandler = new Handler(); + final private Runnable mRequestFocus = new Runnable() { + public void run() { + mGridView.focusableViewAvailable(mGridView); + } + }; + final private AdapterView.OnItemClickListener mOnClickListener + = new AdapterView.OnItemClickListener() { + public void onItemClick(AdapterView parent, View v, int position, long id) { + onGridItemClick((GridView) parent, v, position, id); + } + }; + private ListAdapter mAdapter; + private GridView mGridView; + private View mEmptyView; + private TextView mStandardEmptyView; + private View mProgressContainer; + private View mGridContainer; + private CharSequence mEmptyText; + private boolean mGridShown; + + public ProgressGridFragment() { + } + + /** + * Provide default implementation to return a simple grid view. Subclasses + * can override to replace with their own layout. If doing so, the + * returned view hierarchy must have a GridView whose id + * is {@link com.devspark.progressfragment.R.id#grid R.id.grid} and can optionally + * have a sibling view id {@link android.R.id#empty android.R.id.empty} + * that is to be shown when the list is empty. + *
+ *If you are overriding this method with your own custom content, + * consider including the standard layout {@link com.devspark.progressfragment.R.layout#fragment_progress_grid} + * in your layout file, so that you continue to retain all of the standard + * behavior of ProgressGridFragment. In particular, this is currently the only + * way to have the built-in indeterminant progress state be shown. + */ + @Override + public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { + return inflater.inflate(R.layout.fragment_progress_grid, container, false); + } + + /** + * Attach to grid view once the view hierarchy has been created. + */ + @Override + public void onViewCreated(View view, Bundle savedInstanceState) { + super.onViewCreated(view, savedInstanceState); + ensureList(); + } + + /** + * Detach from grid view. + */ + @Override + public void onDestroyView() { + mHandler.removeCallbacks(mRequestFocus); + mGridView = null; + mGridShown = false; + mEmptyView = mProgressContainer = mGridContainer = null; + mStandardEmptyView = null; + super.onDestroyView(); + } + + /** + * This method will be called when an item in the grid is selected. + * Subclasses should override. Subclasses can call + * getGridView().getItemAtPosition(position) if they need to access the + * data associated with the selected item. + * + * @param gridView The GridView where the click happened + * @param v The view that was clicked within the ListView + * @param position The position of the view in the list + * @param id The row id of the item that was clicked + */ + public void onGridItemClick(GridView gridView, View v, int position, long id) { + } + + /** + * Set the currently selected grid item to the specified + * position with the adapter's data + * + * @param position + */ + public void setSelection(int position) { + ensureList(); + mGridView.setSelection(position); + } + + /** + * Get the position of the currently selected grid item. + */ + public int getSelectedItemPosition() { + ensureList(); + return mGridView.getSelectedItemPosition(); + } + + /** + * Get the cursor row ID of the currently selected grid item. + */ + public long getSelectedItemId() { + ensureList(); + return mGridView.getSelectedItemId(); + } + + /** + * Get the activity's grid view widget. + */ + public GridView getGridView() { + ensureList(); + return mGridView; + } + + /** + * The default content for a ProgressGridFragment has a TextView that can + * be shown when the grid is empty. If you would like to have it + * shown, call this method to supply the text it should use. + * + * @param resId Identification of string from a resources + * @see #setEmptyText(CharSequence) + */ + public void setEmptyText(int resId) { + setEmptyText(getString(resId)); + } + + /** + * The default content for a ProgressGridFragment has a TextView that can + * be shown when the grid is empty. If you would like to have it + * shown, call this method to supply the text it should use. + * + * @param text Text for empty view + * @see #setEmptyText(int) + */ + public void setEmptyText(CharSequence text) { + ensureList(); + if (mStandardEmptyView == null) { + throw new IllegalStateException("Can't be used with a custom content view"); + } + mStandardEmptyView.setText(text); + if (mEmptyText == null) { + mGridView.setEmptyView(mStandardEmptyView); + } + mEmptyText = text; + } + + /** + * Control whether the grid is being displayed. You can make it not + * displayed if you are waiting for the initial data to show in it. During + * this time an indeterminant progress indicator will be shown instead. + *
+ *Applications do not normally need to use this themselves. The default + * behavior of ProgressGridFragment is to start with the grid not being shown, only + * showing it once an adapter is given with {@link #setGridAdapter(android.widget.ListAdapter)}. + * If the grid at that point had not been shown, when it does get shown + * it will be do without the user ever seeing the hidden state. + * + * @param shown If true, the grid view is shown; if false, the progress + * indicator. The initial value is true. + */ + public void setGridShown(boolean shown) { + setGridShown(shown, true); + } + + /** + * Like {@link #setGridShown(boolean)}, but no animation is used when + * transitioning from the previous state. + */ + public void setGridShownNoAnimation(boolean shown) { + setGridShown(shown, false); + } + + /** + * Control whether the grid is being displayed. You can make it not + * displayed if you are waiting for the initial data to show in it. During + * this time an indeterminant progress indicator will be shown instead. + * + * @param shown If true, the grid view is shown; if false, the progress + * indicator. The initial value is true. + * @param animate If true, an animation will be used to transition to the + * new state. + */ + private void setGridShown(boolean shown, boolean animate) { + ensureList(); + if (mProgressContainer == null) { + throw new IllegalStateException("Can't be used with a custom content view"); + } + if (mGridShown == shown) { + return; + } + mGridShown = shown; + if (shown) { + if (animate) { + mProgressContainer.startAnimation(AnimationUtils.loadAnimation( + getActivity(), android.R.anim.fade_out)); + mGridContainer.startAnimation(AnimationUtils.loadAnimation( + getActivity(), android.R.anim.fade_in)); + } else { + mProgressContainer.clearAnimation(); + mGridContainer.clearAnimation(); + } + mProgressContainer.setVisibility(View.GONE); + mGridContainer.setVisibility(View.VISIBLE); + } else { + if (animate) { + mProgressContainer.startAnimation(AnimationUtils.loadAnimation( + getActivity(), android.R.anim.fade_in)); + mGridContainer.startAnimation(AnimationUtils.loadAnimation( + getActivity(), android.R.anim.fade_out)); + } else { + mProgressContainer.clearAnimation(); + mGridContainer.clearAnimation(); + } + mProgressContainer.setVisibility(View.VISIBLE); + mGridContainer.setVisibility(View.GONE); + } + } + + /** + * Get the ListAdapter associated with this activity's GridView. + */ + public ListAdapter getGridAdapter() { + return mAdapter; + } + + /** + * Provide the cursor for the grid view. + */ + public void setGridAdapter(ListAdapter adapter) { + boolean hadAdapter = mAdapter != null; + mAdapter = adapter; + if (mGridView != null) { + mGridView.setAdapter(adapter); + if (!mGridShown && !hadAdapter) { + // The grid was hidden, and previously didn't have an + // adapter. It is now time to show it. + setGridShown(true, getView().getWindowToken() != null); + } + } + } + + private void ensureList() { + if (mGridView != null) { + return; + } + View root = getView(); + if (root == null) { + throw new IllegalStateException("Content view not yet created"); + } + if (root instanceof GridView) { + mGridView = (GridView) root; + } else { + View emptyView = root.findViewById(android.R.id.empty); + if (emptyView != null) { + if (emptyView instanceof TextView) { + mStandardEmptyView = (TextView) emptyView; + } else { + mEmptyView = emptyView; + } + } else { + mStandardEmptyView.setVisibility(View.GONE); + } + mProgressContainer = root.findViewById(R.id.progress_container); + mGridContainer = root.findViewById(R.id.grid_container); + View rawGridView = root.findViewById(R.id.grid); + if (!(rawGridView instanceof GridView)) { + throw new RuntimeException( + "Content has view with id attribute 'R.id.grid' " + + "that is not a GridView class" + ); + } + mGridView = (GridView) rawGridView; + if (mGridView == null) { + throw new RuntimeException( + "Your content must have a GridView whose id attribute is " + + "'R.id.grid'" + ); + } + if (mEmptyView != null) { + mGridView.setEmptyView(mEmptyView); + } else if (mEmptyText != null) { + mStandardEmptyView.setText(mEmptyText); + mGridView.setEmptyView(mStandardEmptyView); + } + } + mGridShown = true; + mGridView.setOnItemClickListener(mOnClickListener); + if (mAdapter != null) { + ListAdapter adapter = mAdapter; + mAdapter = null; + setGridAdapter(adapter); + } else { + // We are starting without an adapter, so assume we won't + // have our data right away and start with the progress indicator. + if (mProgressContainer != null) { + setGridShown(false, false); + } + } + mHandler.post(mRequestFocus); + } + +} diff --git a/progressfragment-native/src/com/devspark/progressfragment/ProgressListFragment.java b/progressfragment-native/src/com/devspark/progressfragment/ProgressListFragment.java new file mode 100644 index 0000000..d340192 --- /dev/null +++ b/progressfragment-native/src/com/devspark/progressfragment/ProgressListFragment.java @@ -0,0 +1,340 @@ +/* + * Copyright (C) 2013 Evgeny Shishkin + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package com.devspark.progressfragment; + +import android.app.Fragment; +import android.os.Bundle; +import android.os.Handler; +import android.view.LayoutInflater; +import android.view.View; +import android.view.ViewGroup; +import android.view.animation.AnimationUtils; +import android.widget.AdapterView; +import android.widget.ListAdapter; +import android.widget.ListView; +import android.widget.TextView; + +/** + * The implementation of the fragment to display list view. Based on {@link android.app.ListFragment}. + * If you are waiting for the initial data, you'll can displaying during this time an indeterminate progress indicator. + * + * @author Evgeny Shishkin + */ +public class ProgressListFragment extends Fragment { + + final private Handler mHandler = new Handler(); + final private Runnable mRequestFocus = new Runnable() { + public void run() { + mListView.focusableViewAvailable(mListView); + } + }; + final private AdapterView.OnItemClickListener mOnClickListener + = new AdapterView.OnItemClickListener() { + public void onItemClick(AdapterView parent, View v, int position, long id) { + onListItemClick((ListView) parent, v, position, id); + } + }; + private ListAdapter mAdapter; + private ListView mListView; + private View mEmptyView; + private TextView mStandardEmptyView; + private View mProgressContainer; + private View mListContainer; + private CharSequence mEmptyText; + private boolean mListShown; + + public ProgressListFragment() { + } + + /** + * Provide default implementation to return a simple list view. Subclasses + * can override to replace with their own layout. If doing so, the + * returned view hierarchy must have a ListView whose id + * is {@link android.R.id#list android.R.id.list} and can optionally + * have a sibling view id {@link android.R.id#empty android.R.id.empty} + * that is to be shown when the list is empty. + *
+ *If you are overriding this method with your own custom content, + * consider including the standard layout {@link com.devspark.progressfragment.R.layout#fragment_progress_list} + * in your layout file, so that you continue to retain all of the standard + * behavior of ListFragment. In particular, this is currently the only + * way to have the built-in indeterminant progress state be shown. + */ + @Override + public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { + return inflater.inflate(R.layout.fragment_progress_list, container, false); + } + + /** + * Attach to list view once the view hierarchy has been created. + */ + @Override + public void onViewCreated(View view, Bundle savedInstanceState) { + super.onViewCreated(view, savedInstanceState); + ensureList(); + } + + /** + * Detach from list view. + */ + @Override + public void onDestroyView() { + mHandler.removeCallbacks(mRequestFocus); + mListView = null; + mListShown = false; + mEmptyView = mProgressContainer = mListContainer = null; + mStandardEmptyView = null; + super.onDestroyView(); + } + + /** + * This method will be called when an item in the list is selected. + * Subclasses should override. Subclasses can call + * getListView().getItemAtPosition(position) if they need to access the + * data associated with the selected item. + * + * @param l The ListView where the click happened + * @param v The view that was clicked within the ListView + * @param position The position of the view in the list + * @param id The row id of the item that was clicked + */ + public void onListItemClick(ListView l, View v, int position, long id) { + } + + /** + * Set the currently selected list item to the specified + * position with the adapter's data + * + * @param position + */ + public void setSelection(int position) { + ensureList(); + mListView.setSelection(position); + } + + /** + * Get the position of the currently selected list item. + */ + public int getSelectedItemPosition() { + ensureList(); + return mListView.getSelectedItemPosition(); + } + + /** + * Get the cursor row ID of the currently selected list item. + */ + public long getSelectedItemId() { + ensureList(); + return mListView.getSelectedItemId(); + } + + /** + * Get the activity's list view widget. + */ + public ListView getListView() { + ensureList(); + return mListView; + } + + /** + * The default content for a ProgressListFragment has a TextView that can + * be shown when the list is empty. If you would like to have it + * shown, call this method to supply the text it should use. + * + * @param resId Identification of string from a resources + * @see #setEmptyText(CharSequence) + */ + public void setEmptyText(int resId) { + setEmptyText(getString(resId)); + } + + /** + * The default content for a ProgressListFragment has a TextView that can + * be shown when the list is empty. If you would like to have it + * shown, call this method to supply the text it should use. + * + * @param text Text for empty view + * @see #setEmptyText(int) + */ + public void setEmptyText(CharSequence text) { + ensureList(); + if (mStandardEmptyView == null) { + throw new IllegalStateException("Can't be used with a custom content view"); + } + mStandardEmptyView.setText(text); + if (mEmptyText == null) { + mListView.setEmptyView(mStandardEmptyView); + } + mEmptyText = text; + } + + /** + * Control whether the list is being displayed. You can make it not + * displayed if you are waiting for the initial data to show in it. During + * this time an indeterminant progress indicator will be shown instead. + *
+ *Applications do not normally need to use this themselves. The default + * behavior of ProgressListFragment is to start with the list not being shown, only + * showing it once an adapter is given with {@link #setListAdapter(ListAdapter)}. + * If the list at that point had not been shown, when it does get shown + * it will be do without the user ever seeing the hidden state. + * + * @param shown If true, the list view is shown; if false, the progress + * indicator. The initial value is true. + */ + public void setListShown(boolean shown) { + setListShown(shown, true); + } + + /** + * Like {@link #setListShown(boolean)}, but no animation is used when + * transitioning from the previous state. + */ + public void setListShownNoAnimation(boolean shown) { + setListShown(shown, false); + } + + /** + * Control whether the list is being displayed. You can make it not + * displayed if you are waiting for the initial data to show in it. During + * this time an indeterminant progress indicator will be shown instead. + * + * @param shown If true, the list view is shown; if false, the progress + * indicator. The initial value is true. + * @param animate If true, an animation will be used to transition to the + * new state. + */ + private void setListShown(boolean shown, boolean animate) { + ensureList(); + if (mProgressContainer == null) { + throw new IllegalStateException("Can't be used with a custom content view"); + } + if (mListShown == shown) { + return; + } + mListShown = shown; + if (shown) { + if (animate) { + mProgressContainer.startAnimation(AnimationUtils.loadAnimation( + getActivity(), android.R.anim.fade_out)); + mListContainer.startAnimation(AnimationUtils.loadAnimation( + getActivity(), android.R.anim.fade_in)); + } else { + mProgressContainer.clearAnimation(); + mListContainer.clearAnimation(); + } + mProgressContainer.setVisibility(View.GONE); + mListContainer.setVisibility(View.VISIBLE); + } else { + if (animate) { + mProgressContainer.startAnimation(AnimationUtils.loadAnimation( + getActivity(), android.R.anim.fade_in)); + mListContainer.startAnimation(AnimationUtils.loadAnimation( + getActivity(), android.R.anim.fade_out)); + } else { + mProgressContainer.clearAnimation(); + mListContainer.clearAnimation(); + } + mProgressContainer.setVisibility(View.VISIBLE); + mListContainer.setVisibility(View.GONE); + } + } + + /** + * Get the ListAdapter associated with this activity's ListView. + */ + public ListAdapter getListAdapter() { + return mAdapter; + } + + /** + * Provide the cursor for the list view. + */ + public void setListAdapter(ListAdapter adapter) { + boolean hadAdapter = mAdapter != null; + mAdapter = adapter; + if (mListView != null) { + mListView.setAdapter(adapter); + if (!mListShown && !hadAdapter) { + // The list was hidden, and previously didn't have an + // adapter. It is now time to show it. + setListShown(true, getView().getWindowToken() != null); + } + } + } + + private void ensureList() { + if (mListView != null) { + return; + } + View root = getView(); + if (root == null) { + throw new IllegalStateException("Content view not yet created"); + } + if (root instanceof ListView) { + mListView = (ListView) root; + } else { + View emptyView = root.findViewById(android.R.id.empty); + if (emptyView != null) { + if (emptyView instanceof TextView) { + mStandardEmptyView = (TextView) emptyView; + } else { + mEmptyView = emptyView; + } + } else { + mStandardEmptyView.setVisibility(View.GONE); + } + mProgressContainer = root.findViewById(R.id.progress_container); + mListContainer = root.findViewById(R.id.list_container); + View rawListView = root.findViewById(android.R.id.list); + if (!(rawListView instanceof ListView)) { + throw new RuntimeException( + "Content has view with id attribute 'android.R.id.list' " + + "that is not a ListView class" + ); + } + mListView = (ListView) rawListView; + if (mListView == null) { + throw new RuntimeException( + "Your content must have a ListView whose id attribute is " + + "'android.R.id.list'" + ); + } + if (mEmptyView != null) { + mListView.setEmptyView(mEmptyView); + } else if (mEmptyText != null) { + mStandardEmptyView.setText(mEmptyText); + mListView.setEmptyView(mStandardEmptyView); + } + } + mListShown = true; + mListView.setOnItemClickListener(mOnClickListener); + if (mAdapter != null) { + ListAdapter adapter = mAdapter; + mAdapter = null; + setListAdapter(adapter); + } else { + // We are starting without an adapter, so assume we won't + // have our data right away and start with the progress indicator. + if (mProgressContainer != null) { + setListShown(false, false); + } + } + mHandler.post(mRequestFocus); + } + +} diff --git a/settings.gradle b/settings.gradle index 921e318..2464442 100644 --- a/settings.gradle +++ b/settings.gradle @@ -2,3 +2,5 @@ include ':progressfragment' include ':progressfragment-sample' include ':sherlockprogressfragment' include ':sherlockprogressfragment-sample' +include ':progressfragment-native' +include ':progressfragment-native-sample'