package com.yokmama.learn10.chapter04.lesson17;
import android.content.Intent;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import com.yokmama.learn10.chapter04.lesson17.demo.DemoContent;
import com.yokmama.learn10.chapter04.lesson17.demo.DemoCreator;
/**
* An activity representing a list of Items. This activity
* has different presentations for handset and tablet-size devices. On
* handsets, the activity presents a list of items, which when touched,
* lead to a {@link ItemDetailActivity} representing
* item details. On tablets, the activity presents the list of items and
* item details side-by-side using two vertical panes.
* <p/>
* The activity makes heavy use of fragments. The list of items is a
* {@link ItemListFragment} and the item details
* (if present) is a {@link com.yokmama.learn10.chapter04.lesson17.demo.DemoCreator}.
* <p/>
* This activity also implements the required
* {@link ItemListFragment.Callbacks} interface
* to listen for item selections.
*/
public class ItemListActivity extends AppCompatActivity
implements ItemListFragment.Callbacks {
public static final String ARG_CLASS_NAME = "demoItem";
/**
* Whether or not the activity is in two-pane mode, i.e. running on a tablet
* device.
*/
private boolean mTwoPane;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.lesson17_activity_item_list);
if (findViewById(R.id.item_detail_container) != null) {
// The detail container view will be present only in the
// large-screen layouts (res/values-large and
// res/values-sw600dp). If this view is present, then the
// activity should be in two-pane mode.
mTwoPane = true;
// In two-pane mode, list items should be given the
// 'activated' state when touched.
((ItemListFragment) getSupportFragmentManager()
.findFragmentById(R.id.item_list))
.setActivateOnItemClick(true);
}
// TODO: If exposing deep links into your app, handle intents here.
}
/**
* Callback method from {@link ItemListFragment.Callbacks}
* indicating that the item with the given ID was selected.
*/
@Override
public void onItemSelected(DemoContent.DemoItem demoItem) {
if (mTwoPane) {
getSupportFragmentManager().beginTransaction()
.replace(R.id.item_detail_container, DemoCreator.create(demoItem))
.commit();
} else {
// In single-pane mode, simply start the detail activity
// for the selected item ID.
Intent detailIntent = new Intent(this, ItemDetailActivity.class);
detailIntent.putExtra(ARG_CLASS_NAME, demoItem);
startActivity(detailIntent);
}
}
}