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Update to use new LoaderManager API.

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Change-Id: I76c7e7210979742e4ab2140ee68fcaf2207505e5
This commit is contained in:
Dianne Hackborn
2010-07-06 13:35:17 -07:00
parent 581f6395f0
commit fc9a8e6260
4 changed files with 28 additions and 59 deletions
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2
samples/ApiDemos/AndroidManifest.xml
View File

@@ -34,9 +34,11 @@
<!-- We will request access to the camera, saying we require a camera
of some sort but not one with autofocus capability. -->
<!--
<uses-permission android:name="android.permission.CAMERA" />
<uses-feature android:name="android.hardware.camera" />
<uses-feature android:name="android.hardware.camera.autofocus" android:required="false" />
-->
<application android:name="ApiDemosApplication"
android:label="@string/activity_sample_code"

77
samples/ApiDemos/src/com/example/android/apis/app/FragmentComplexList.java
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@@ -16,22 +16,16 @@
package com.example.android.apis.app;
import com.example.android.apis.Shakespeare;
import android.app.Activity;
import android.app.Fragment;
import android.app.ListFragment;
import android.app.LoaderManagingFragment;
import android.content.Context;
import android.app.LoaderManager;
import android.content.CursorLoader;
import android.content.Loader;
import android.database.Cursor;
import android.net.Uri;
import android.os.Bundle;
import android.provider.Contacts.Phones;
import android.util.Log;
import android.view.View;
import android.widget.ArrayAdapter;
import android.widget.ListAdapter;
import android.widget.ListView;
import android.widget.SimpleCursorAdapter;
@@ -52,30 +46,8 @@ public class FragmentComplexList extends Activity {
}
}
public static class ContactsLoader extends LoaderManagingFragment<Cursor> {
ExampleComplexListFragment mListFragment;
void setListFragment(ExampleComplexListFragment fragment) {
mListFragment = fragment;
}
@Override
protected Loader<Cursor> onCreateLoader(int id, Bundle args) {
return new CursorLoader(getActivity(), Phones.CONTENT_URI, null, null, null, null);
}
@Override
protected void onInitializeLoaders() {
}
@Override
protected void onLoadFinished(Loader<Cursor> loader, Cursor data) {
mListFragment.loadFinished(loader, data);
}
}
public static class ExampleComplexListFragment extends ListFragment {
ContactsLoader mLoader;
public static class ExampleComplexListFragment extends ListFragment
implements LoaderManager.LoaderCallbacks<Cursor> {
boolean mInitializing;
@Override
@@ -83,21 +55,11 @@ public class FragmentComplexList extends Activity {
super.onCreate(savedInstanceState);
mInitializing = true;
// Make sure we have the loader for our content.
mLoader = (ContactsLoader)getActivity().findFragmentByTag(
ContactsLoader.class.getName());
if (mLoader == null) {
mLoader = new ContactsLoader();
getActivity().openFragmentTransaction().add(mLoader,
ContactsLoader.class.getName()).commit();
}
mLoader.setListFragment(this);
}
@Override
public void onReady(Bundle savedInstanceState) {
super.onReady(savedInstanceState);
public void onActivityCreated(Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
// Assume we don't yet have data to display.
setListShown(false, false);
@@ -107,10 +69,10 @@ public class FragmentComplexList extends Activity {
setEmptyText("No phone numbers");
// Check if we already have content for the list.
Loader<Cursor> ld = mLoader.getLoader(0);
Loader<Cursor> ld = getLoaderManager().getLoader(0);
if (ld == null) {
// No loader started yet... do it now.
ld = mLoader.startLoading(0, null);
ld = getLoaderManager().startLoading(0, null, this);
} else {
// Already have a loader -- poke it to report its cursor
// if it already has one. This will immediately call back
@@ -120,15 +82,6 @@ public class FragmentComplexList extends Activity {
mInitializing = false;
}
void loadFinished(Loader<Cursor> loader, Cursor data) {
ListAdapter adapter = new SimpleCursorAdapter(getActivity(),
android.R.layout.simple_list_item_2, data,
new String[] { Phones.NAME, Phones.NUMBER },
new int[] { android.R.id.text1, android.R.id.text2 });
setListAdapter(adapter);
setListShown(true, !mInitializing);
}
@Override
public void onListItemClick(ListView l, View v, int position, long id) {
Log.i("FragmentComplexList", "Item clicked: " + id);
@@ -136,8 +89,22 @@ public class FragmentComplexList extends Activity {
@Override
public void onDestroy() {
mLoader.setListFragment(this);
super.onDestroy();
}
@Override
public Loader<Cursor> onCreateLoader(int id, Bundle args) {
return new CursorLoader(getActivity(), Phones.CONTENT_URI, null, null, null, null);
}
@Override
public void onLoadFinished(Loader<Cursor> loader, Cursor data) {
ListAdapter adapter = new SimpleCursorAdapter(getActivity(),
android.R.layout.simple_list_item_2, data,
new String[] { Phones.NAME, Phones.NUMBER },
new int[] { android.R.id.text1, android.R.id.text2 });
setListAdapter(adapter);
setListShown(true, !mInitializing);
}
}
}

4
samples/ApiDemos/src/com/example/android/apis/app/FragmentList.java
View File

@@ -43,8 +43,8 @@ public class FragmentList extends Activity {
public static class ExampleListFragment extends ListFragment {
@Override
public void onReady(Bundle savedInstanceState) {
super.onReady(savedInstanceState);
public void onActivityCreated(Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
setListAdapter(new ArrayAdapter<String>(getActivity(),
android.R.layout.simple_list_item_1, Shakespeare.TITLES));
}

4
samples/ApiDemos/src/com/example/android/apis/app/FragmentRetainInstance.java
View File

@@ -143,8 +143,8 @@ public class FragmentRetainInstance extends Activity {
* to a new activity.
*/
@Override
public void onReady(Bundle savedInstanceState) {
super.onReady(savedInstanceState);
public void onActivityCreated(Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
// Retrieve the progress bar from the current activity.
mProgressBar = (ProgressBar)getActivity().findViewById(