package com.example.contentprovidersample.ui;
import android.content.Intent;
import android.os.Bundle;
import android.support.v4.app.FragmentActivity;
import com.example.contentprovidersample.R;
/**
* An activity representing a list of Data 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 MyDataItemDetailActivity} 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 MyDataItemListFragment} and the item details (if present) is a
* {@link MyDataItemDetailFragment}.
* <p>
* This activity also implements the required
* {@link MyDataItemListFragment.Callbacks} interface to listen for item
* selections.
*/
public class MyDataItemListActivity extends FragmentActivity implements MyDataItemListFragment.Callbacks {
/**
* 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.activity_mydataitem_list);
if (findViewById(R.id.mydataitem_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.
((MyDataItemListFragment) getSupportFragmentManager()
.findFragmentById(R.id.mydataitem_list))
.setActivateOnItemClick(true);
}
// TODO: If exposing deep links into your app, handle intents here.
}
/**
* Callback method from {@link MyDataItemListFragment.Callbacks} indicating
* that the item with the given ID was selected.
*/
@Override
public void onItemSelected(long id) {
if (mTwoPane) {
// In two-pane mode, show the detail view in this activity by
// adding or replacing the detail fragment using a
// fragment transaction.
Bundle arguments = new Bundle();
arguments.putLong(MyDataItemDetailFragment.ARG_ITEM_ID, id);
MyDataItemDetailFragment fragment = new MyDataItemDetailFragment();
fragment.setArguments(arguments);
getSupportFragmentManager().beginTransaction()
.replace(R.id.mydataitem_detail_container, fragment)
.commit();
} else {
// In single-pane mode, simply start the detail activity
// for the selected item ID.
Intent detailIntent = new Intent(this,
MyDataItemDetailActivity.class);
detailIntent.putExtra(MyDataItemDetailFragment.ARG_ITEM_ID, id);
startActivity(detailIntent);
}
}
}