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Updated browseable samples for april push

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Change-Id: Idd8cc6b7c43ab93f05f0a5d69d5379631721d185
This commit is contained in:
Alexander Lucas
2014-04-10 15:44:01 -07:00
parent f03f35fe24
commit fb5e574e79
309 changed files with 12685 additions and 105 deletions
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64
samples/browseable/AdapterTransition/src/com.example.android.adaptertransition/AdapterTransitionFragment.java
View File

@@ -33,6 +33,7 @@ import android.widget.AbsListView;
import android.widget.FrameLayout;
import android.widget.GridView;
import android.widget.ListView;
import android.widget.Toast;
/**
* Main screen for AdapterTransition sample.
@@ -45,6 +46,11 @@ public class AdapterTransitionFragment extends Fragment implements Transition.Tr
*/
private static final int ROOT_ID = 1;
/**
* A tag for saving state whether the mAbsListView is ListView or GridView.
*/
private static final String STATE_IS_LISTVIEW = "is_listview";
/**
* This is where we place our AdapterView (ListView / GridView).
*/
@@ -80,20 +86,32 @@ public class AdapterTransitionFragment extends Fragment implements Transition.Tr
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
// We use a ListView at first
mAbsListView = (AbsListView) inflater.inflate(R.layout.fragment_meat_list, container, false);
mAdapter = new MeatAdapter(inflater, R.layout.item_meat_list);
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
// If savedInstanceState is available, we restore the state whether the list is a ListView
// or a GridView.
boolean isListView;
if (null == savedInstanceState) {
isListView = true;
} else {
isListView = savedInstanceState.getBoolean(STATE_IS_LISTVIEW, true);
}
inflateAbsList(inflater, container, isListView);
return inflater.inflate(R.layout.fragment_adapter_transition, container, false);
}
@Override
public void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
outState.putBoolean(STATE_IS_LISTVIEW, mAbsListView instanceof ListView);
}
@Override
public void onViewCreated(View view, Bundle savedInstanceState) {
// Retaining references for FrameLayouts that we use later.
mContent = (FrameLayout) view.findViewById(R.id.content);
mCover = (FrameLayout) view.findViewById(R.id.cover);
// We are attaching the list to the screen here.
mAbsListView.setAdapter(mAdapter);
mContent.addView(mAbsListView);
}
@@ -109,8 +127,10 @@ public class AdapterTransitionFragment extends Fragment implements Transition.Tr
if (null != item) {
if (mAbsListView instanceof ListView) {
item.setIcon(R.drawable.ic_action_grid);
item.setTitle(R.string.show_as_grid);
} else {
item.setIcon(R.drawable.ic_action_list);
item.setTitle(R.string.show_as_list);
}
}
}
@@ -151,6 +171,29 @@ public class AdapterTransitionFragment extends Fragment implements Transition.Tr
public void onTransitionResume(Transition transition) {
}
/**
* Inflate a ListView or a GridView with a corresponding ListAdapter.
*
* @param inflater The LayoutInflater.
* @param container The ViewGroup that contains this AbsListView. The AbsListView won't be
* attached to it.
* @param inflateListView Pass true to inflate a ListView, or false to inflate a GridView.
*/
private void inflateAbsList(LayoutInflater inflater, ViewGroup container,
boolean inflateListView) {
if (inflateListView) {
mAbsListView = (AbsListView) inflater.inflate(R.layout.fragment_meat_list,
container, false);
mAdapter = new MeatAdapter(inflater, R.layout.item_meat_list);
} else {
mAbsListView = (AbsListView) inflater.inflate(R.layout.fragment_meat_grid,
container, false);
mAdapter = new MeatAdapter(inflater, R.layout.item_meat_grid);
}
mAbsListView.setAdapter(mAdapter);
mAbsListView.setOnItemClickListener(mAdapter);
}
/**
* Toggle the UI between ListView and GridView.
*/
@@ -190,15 +233,8 @@ public class AdapterTransitionFragment extends Fragment implements Transition.Tr
// If the current list is a GridView, we replace it with a ListView. If it is a ListView,
// a GridView.
LayoutInflater inflater = LayoutInflater.from(getActivity());
if (mAbsListView instanceof GridView) {
mAbsListView = (AbsListView) inflater.inflate(
R.layout.fragment_meat_list, (ViewGroup) mAbsListView.getParent(), false);
mAdapter = new MeatAdapter(inflater, R.layout.item_meat_list);
} else {
mAbsListView = (AbsListView) inflater.inflate(
R.layout.fragment_meat_grid, (ViewGroup) mAbsListView.getParent(), false);
mAdapter = new MeatAdapter(inflater, R.layout.item_meat_grid);
}
inflateAbsList(inflater, (ViewGroup) mAbsListView.getParent(),
mAbsListView instanceof GridView);
mAbsListView.setAdapter(mAdapter);
// We restore the scrolling position here.
mAbsListView.setSelection(first);

16
samples/browseable/AdapterTransition/src/com.example.android.adaptertransition/MeatAdapter.java
View File

@@ -16,18 +16,22 @@
package com.example.android.adaptertransition;
import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AbsListView;
import android.widget.AdapterView;
import android.widget.BaseAdapter;
import android.widget.ImageView;
import android.widget.TextView;
import android.widget.Toast;
/**
* This class provides data as Views. It is designed to support both ListView and GridView by
* changing a layout resource file to inflate.
*/
public class MeatAdapter extends BaseAdapter {
public class MeatAdapter extends BaseAdapter implements AbsListView.OnItemClickListener {
private final LayoutInflater mLayoutInflater;
private final int mResourceId;
@@ -80,6 +84,16 @@ public class MeatAdapter extends BaseAdapter {
return view;
}
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
ViewHolder holder = (ViewHolder) view.getTag();
Context context = view.getContext();
if (null != holder && null != holder.title && null != context) {
Toast.makeText(context, context.getString(R.string.item_clicked,
holder.title.getText()), Toast.LENGTH_SHORT).show();
}
}
private static class ViewHolder {
public ImageView image;
public TextView title;