Cleanup fragment api demos

* Cleaned up extra whitespace & made vertical whitespace more consistent
* 100col wrap
* Remove unused imports
* Add @Override where necessary

Change-Id: I1ad404ffc4ce7fa9c4b661f7cc1783c86356316b

samples/ApiDemos/src/com/example/android/apis/app/FragmentAlertDialog.java

@@ -30,6 +30,7 @@ import android.widget.Button;
 import android.widget.TextView;
 
 public class FragmentAlertDialog extends Activity {
+
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
@@ -53,21 +54,26 @@ public class FragmentAlertDialog extends Activity {
     }
 
     public static class MyAlertDialogFragment extends DialogFragment {
+
         @Override
         public Dialog onCreateDialog(Bundle savedInstanceState) {
             return new AlertDialog.Builder(getActivity())
                     .setIcon(R.drawable.alert_dialog_icon)
                     .setTitle(R.string.alert_dialog_two_buttons_title)
-                    .setPositiveButton(R.string.alert_dialog_ok, new DialogInterface.OnClickListener() {
+                    .setPositiveButton(R.string.alert_dialog_ok,
-                        public void onClick(DialogInterface dialog, int whichButton) {
+                        new DialogInterface.OnClickListener() {
-                            /* User clicked OK so do some stuff */
+                            public void onClick(DialogInterface dialog, int whichButton) {
+                                /* User clicked OK so do some stuff */
+                            }
                         }
-                    })
+                    )
-                    .setNegativeButton(R.string.alert_dialog_cancel, new DialogInterface.OnClickListener() {
+                    .setNegativeButton(R.string.alert_dialog_cancel,
-                        public void onClick(DialogInterface dialog, int whichButton) {
+                        new DialogInterface.OnClickListener() {
-                            /* User clicked Cancel so do some stuff */
+                            public void onClick(DialogInterface dialog, int whichButton) {
+                                /* User clicked Cancel so do some stuff */
+                            }
                         }
-                    })
+                    )
                     .create();
         }
     }

samples/ApiDemos/src/com/example/android/apis/app/FragmentAnim.java

@@ -34,15 +34,16 @@ import android.widget.TextView;
  * Demonstration of animations when changing fragment states.
  */
 public class FragmentAnim extends Activity {
+
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.fragment_anim);
-        
+
         addShowHideListener(R.id.frag1hide, findFragmentById(R.id.fragment1));
         addShowHideListener(R.id.frag2hide, findFragmentById(R.id.fragment2));
     }
-    
+
     void addShowHideListener(int buttonId, final Fragment fragment) {
         final Button button = (Button)findViewById(buttonId);
         button.setOnClickListener(new OnClickListener() {
@@ -62,16 +63,17 @@ public class FragmentAnim extends Activity {
             }
         });
     }
-    
+
     public static class FirstFragment extends Fragment {
         TextView mTextView;
-        
+
+        @Override
         public View onCreateView(LayoutInflater inflater, ViewGroup container,
                 Bundle savedInstanceState) {
             View v = inflater.inflate(R.layout.labeled_text_edit, container, false);
             View tv = v.findViewById(R.id.msg);
             ((TextView)tv).setText("The fragment saves and restores this text.");
-            
+
             // Retrieve the text editor, and restore the last saved state if needed.
             mTextView = (TextView)v.findViewById(R.id.saved);
             if (savedInstanceState != null) {
@@ -83,19 +85,21 @@ public class FragmentAnim extends Activity {
         @Override
         public void onSaveInstanceState(Bundle outState) {
             super.onSaveInstanceState(outState);
-            
+
             // Remember the current text, to restore if we later restart.
             outState.putCharSequence("text", mTextView.getText());
         }
     }
-    
+
     public static class SecondFragment extends Fragment {
+
+        @Override
         public View onCreateView(LayoutInflater inflater, ViewGroup container,
                 Bundle savedInstanceState) {
             View v = inflater.inflate(R.layout.labeled_text_edit, container, false);
             View tv = v.findViewById(R.id.msg);
             ((TextView)tv).setText("The TextView saves and restores this text.");
-            
+
             // Retrieve the text editor and tell it to save and restore its state.
             // Note that you will often set this in the layout XML, but since
             // we are sharing our layout with the other fragment we will customize

samples/ApiDemos/src/com/example/android/apis/app/FragmentContextMenu.java

@@ -34,16 +34,18 @@ import android.view.ContextMenu.ContextMenuInfo;
  * Demonstration of displaying a context menu from a fragment.
  */
 public class FragmentContextMenu extends Activity {
+
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
-        
+
         // Create the list fragment and add it as our sole content.
         ContextMenuFragment content = new ContextMenuFragment();
         openFragmentTransaction().add(android.R.id.content, content).commit();
     }
-    
+
     public static class ContextMenuFragment extends Fragment {
+
         @Override
         public View onCreateView(LayoutInflater inflater, ViewGroup container,
                 Bundle savedInstanceState) {
@@ -58,7 +60,7 @@ public class FragmentContextMenu extends Activity {
             menu.add(Menu.NONE, R.id.a_item, Menu.NONE, "Menu A");
             menu.add(Menu.NONE, R.id.b_item, Menu.NONE, "Menu B");
         }
-        
+
         @Override
         public boolean onContextItemSelected(MenuItem item) {
             switch (item.getItemId()) {

samples/ApiDemos/src/com/example/android/apis/app/FragmentDialog.java

@@ -132,6 +132,7 @@ public class FragmentDialog extends Activity {
             outState.putInt("num", mNum);
         }
 
+        @Override
         public View onCreateView(LayoutInflater inflater, ViewGroup container,
                 Bundle savedInstanceState) {
             View v = inflater.inflate(R.layout.fragment_dialog, container, false);

samples/ApiDemos/src/com/example/android/apis/app/FragmentLayout.java

@@ -21,18 +21,14 @@ import com.example.android.apis.Shakespeare;
 
 import android.app.Activity;
 import android.app.Fragment;
-import android.app.FragmentTransaction;
 import android.content.Intent;
 import android.content.res.Configuration;
 import android.os.Bundle;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
-import android.view.View.OnClickListener;
-import android.view.animation.AnimationUtils;
 import android.widget.AdapterView;
 import android.widget.ArrayAdapter;
-import android.widget.Button;
 import android.widget.ListView;
 import android.widget.ScrollView;
 import android.widget.TextView;
@@ -43,6 +39,7 @@ import android.widget.TextView;
  * landscape.
  */
 public class FragmentLayout extends Activity {
+
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
@@ -50,16 +47,17 @@ public class FragmentLayout extends Activity {
         // This layout varies depending on the screen size.
         setContentView(R.layout.fragment_layout);
     }
-    
+
     /**
      * This is a secondary activity, to show what the user has selected
      * when the screen is not large enough to show it all in one activity.
      */
     public static class DialogActivity extends Activity {
+
         @Override
         protected void onCreate(Bundle savedInstanceState) {
             super.onCreate(savedInstanceState);
-            
+
             if (getResources().getConfiguration().orientation
                     == Configuration.ORIENTATION_LANDSCAPE) {
                 // If the screen is now in landscape mode, we can show the
@@ -67,15 +65,16 @@ public class FragmentLayout extends Activity {
                 finish();
                 return;
             }
-            
+
             DialogFragment dialog = new DialogFragment();
             openFragmentTransaction().add(android.R.id.content, dialog).commit();
             dialog.setText(getIntent().getIntExtra("text", -1));
         }
     }
-    
+
     public static class TitlesFragment extends Fragment
             implements AdapterView.OnItemClickListener {
+        @Override
         public View onCreateView(LayoutInflater inflater, ViewGroup container,
                 Bundle savedInstanceState) {
             ListView list = new ListView(getActivity());
@@ -99,18 +98,18 @@ public class FragmentLayout extends Activity {
             }
         }
     }
-    
+
     public static class DialogFragment extends Fragment {
         int mDisplayedText = -1;
         TextView mText;
-        
+
         public void setText(int id) {
             mDisplayedText = id;
             if (mText != null && id >= 0) {
                 mText.setText(Shakespeare.DIALOGUE[id]);
             }
         }
-        
+
         @Override
         public void onCreate(Bundle savedInstanceState) {
             super.onCreate(savedInstanceState);
@@ -125,6 +124,7 @@ public class FragmentLayout extends Activity {
             outState.putInt("text", mDisplayedText);
         }
 
+        @Override
         public View onCreateView(LayoutInflater inflater, ViewGroup container,
                 Bundle savedInstanceState) {
             ScrollView scroller = new ScrollView(getActivity());

samples/ApiDemos/src/com/example/android/apis/app/FragmentListArray.java

@@ -31,25 +31,27 @@ import android.widget.ListView;
  * from a canned array.
  */
 public class FragmentListArray extends Activity {
+
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
-        
+
         // Create the list fragment and add it as our sole content.
         if (findFragmentById(android.R.id.content) == null) {
             ArrayListFragment list = new ArrayListFragment();
             openFragmentTransaction().add(android.R.id.content, list).commit();
         }
     }
-    
+
     public static class ArrayListFragment extends ListFragment {
+
         @Override
         public void onActivityCreated(Bundle savedInstanceState) {
             super.onActivityCreated(savedInstanceState);
             setListAdapter(new ArrayAdapter<String>(getActivity(),
                     android.R.layout.simple_list_item_1, Shakespeare.TITLES));
         }
-        
+
         @Override
         public void onListItemClick(ListView l, View v, int position, long id) {
             Log.i("FragmentList", "Item clicked: " + id);

samples/ApiDemos/src/com/example/android/apis/app/FragmentListCursorLoader.java

@@ -23,7 +23,6 @@ import android.content.CursorLoader;
 import android.content.Loader;
 import android.database.Cursor;
 import android.os.Bundle;
-import android.provider.Contacts.Phones;
 import android.provider.ContactsContract.Contacts;
 import android.util.Log;
 import android.view.View;
@@ -36,6 +35,7 @@ import android.widget.SimpleCursorAdapter;
  * an empty view and loading progress.
  */
 public class FragmentListCursorLoader extends Activity {
+
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
@@ -46,7 +46,7 @@ public class FragmentListCursorLoader extends Activity {
             openFragmentTransaction().add(android.R.id.content, list).commit();
         }
     }
-    
+
     public static class CursorLoaderListFragment extends ListFragment
             implements LoaderManager.LoaderCallbacks<Cursor> {
         @Override
@@ -61,12 +61,12 @@ public class FragmentListCursorLoader extends Activity {
             // or start a new one.
             getLoaderManager().initLoader(0, null, this);
         }
-        
+
         @Override
         public void onListItemClick(ListView l, View v, int position, long id) {
             Log.i("FragmentComplexList", "Item clicked: " + id);
         }
-        
+
         static final String[] CONTACTS_SUMMARY_PROJECTION = new String[] {
             Contacts._ID,
             Contacts.DISPLAY_NAME,
@@ -75,7 +75,7 @@ public class FragmentListCursorLoader extends Activity {
             Contacts.PHOTO_ID,
             Contacts.LOOKUP_KEY,
         };
-    
+
         @Override
         public Loader<Cursor> onCreateLoader(int id, Bundle args) {
             String select = "((" + Contacts.DISPLAY_NAME + " NOTNULL) AND ("

samples/ApiDemos/src/com/example/android/apis/app/FragmentMenu.java

@@ -6,15 +6,11 @@ import android.app.Activity;
 import android.app.Fragment;
 import android.app.FragmentTransaction;
 import android.os.Bundle;
-import android.view.LayoutInflater;
 import android.view.Menu;
 import android.view.MenuInflater;
 import android.view.View;
-import android.view.ViewGroup;
 import android.view.View.OnClickListener;
-import android.widget.Button;
 import android.widget.CheckBox;
-import android.widget.TextView;
 
 /**
  * Demonstrates how fragments can participate in the options menu.
@@ -24,14 +20,14 @@ public class FragmentMenu extends Activity {
     Fragment mFragment2;
     CheckBox mCheckBox1;
     CheckBox mCheckBox2;
-    
+
     // Update fragment visibility when check boxes are changed.
     final OnClickListener mClickListener = new OnClickListener() {
         public void onClick(View v) {
             updateFragmentVisibility();
         }
     };
-    
+
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
@@ -60,7 +56,7 @@ public class FragmentMenu extends Activity {
         // Make sure fragments start out with correct visibility.
         updateFragmentVisibility();
     }
-    
+
     @Override
     protected void onRestoreInstanceState(Bundle savedInstanceState) {
         super.onRestoreInstanceState(savedInstanceState);
@@ -77,13 +73,14 @@ public class FragmentMenu extends Activity {
         else ft.hide(mFragment2);
         ft.commit();
     }
-    
+
     /**
      * A fragment that displays a menu.  This fragment happens to not
      * have a UI (it does not implement onCreateView), but it could also
      * have one if it wanted.
      */
     public static class MenuFragment extends Fragment {
+
         @Override
         public void onCreate(Bundle savedInstanceState) {
             super.onCreate(savedInstanceState);
@@ -101,6 +98,7 @@ public class FragmentMenu extends Activity {
      * Second fragment with a menu.
      */
     public static class Menu2Fragment extends Fragment {
+
         @Override
         public void onCreate(Bundle savedInstanceState) {
             super.onCreate(savedInstanceState);

samples/ApiDemos/src/com/example/android/apis/app/FragmentReceiveResult.java

@@ -1,7 +1,6 @@
 package com.example.android.apis.app;
 
 import com.example.android.apis.R;
-import com.example.android.apis.app.FragmentStack.CountingFragment;
 
 import android.app.Activity;
 import android.app.Fragment;
@@ -11,13 +10,14 @@ import android.os.Bundle;
 import android.text.Editable;
 import android.view.LayoutInflater;
 import android.view.View;
-import android.view.ViewGroup;
 import android.view.View.OnClickListener;
+import android.view.ViewGroup;
 import android.widget.Button;
 import android.widget.FrameLayout;
 import android.widget.TextView;
 
 public class FragmentReceiveResult extends Activity {
+
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
@@ -35,13 +35,13 @@ public class FragmentReceiveResult extends Activity {
             ft.add(R.id.simple_fragment, newFragment).commit();
         }
     }
-    
+
     public static class ReceiveResultFragment extends Fragment {
         // Definition of the one requestCode we use for receiving resuls.
         static final private int GET_CODE = 0;
-        
+
         private TextView mResults;
-        
+
         private OnClickListener mGetListener = new OnClickListener() {
             public void onClick(View v) {
                 // Start the activity whose result we want to retrieve.  The
@@ -61,6 +61,7 @@ public class FragmentReceiveResult extends Activity {
             super.onSaveInstanceState(outState);
         }
 
+        @Override
         public View onCreateView(LayoutInflater inflater, ViewGroup container,
                 Bundle savedInstanceState) {
             View v = inflater.inflate(R.layout.receive_result, container, false);
@@ -77,7 +78,7 @@ public class FragmentReceiveResult extends Activity {
             
             return v;
         }
-        
+
         /**
          * This method is called when the sending activity has finished, with the
          * result it supplied.
@@ -112,6 +113,5 @@ public class FragmentReceiveResult extends Activity {
                 text.append("\n");
             }
         }
-
     }
 }

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

@@ -20,15 +20,11 @@ import com.example.android.apis.R;
 
 import android.app.Activity;
 import android.app.Fragment;
-import android.app.FragmentTransaction;
 import android.os.Bundle;
-import android.view.LayoutInflater;
 import android.view.View;
-import android.view.ViewGroup;
 import android.view.View.OnClickListener;
 import android.widget.Button;
 import android.widget.ProgressBar;
-import android.widget.TextView;
 
 /**
  * This example shows how you can use a Fragment to easily propagate state
@@ -38,12 +34,12 @@ import android.widget.TextView;
  */
 public class FragmentRetainInstance extends Activity {
     RetainedFragment mRetainedFragment;
-    
+
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.fragment_retain_instance);
-        
+
         // Watch for button clicks.
         Button button = (Button)findViewById(R.id.restart);
         button.setOnClickListener(new OnClickListener() {
@@ -51,17 +47,17 @@ public class FragmentRetainInstance extends Activity {
                 mRetainedFragment.restart();
             }
         });
-        
+
         // Check to see if we retained the fragment.
         mRetainedFragment = (RetainedFragment)findFragmentByTag("retained");
-        
+
         // If not retained (or first time running), we need to re-create it.
         if (mRetainedFragment == null) {
             mRetainedFragment = new RetainedFragment();
             openFragmentTransaction().add(mRetainedFragment, "retained").commit();
         }
     }
-    
+
     /**
      * This is the Fragment implementation that will be retained across
      * activity instances.  It represents some ongoing work, here a thread
@@ -72,7 +68,7 @@ public class FragmentRetainInstance extends Activity {
         int mPosition;
         boolean mReady = false;
         boolean mQuiting = false;
-        
+
         /**
          * This is the thread that will do our work.  It sits in a loop running
          * the progress up until it has reached the top, then stops and waits.
@@ -82,10 +78,10 @@ public class FragmentRetainInstance extends Activity {
             public void run() {
                 // We'll figure the real value out later.
                 int max = 10000;
-                
+
                 // This thread runs almost forever.
                 while (true) {
-                    
+
                     // Update our shared state with the UI.
                     synchronized (this) {
                         // Our thread is stopped if the UI is not ready
@@ -99,7 +95,7 @@ public class FragmentRetainInstance extends Activity {
                             } catch (InterruptedException e) {
                             }
                         }
-                        
+
                         // Now update the progress.  Note it is important that
                         // we touch the progress bar with the lock held, so it
                         // doesn't disappear on us.
@@ -107,7 +103,7 @@ public class FragmentRetainInstance extends Activity {
                         max = mProgressBar.getMax();
                         mProgressBar.setProgress(mPosition);
                     }
-                    
+
                     // Normally we would be doing some work, but put a kludge
                     // here to pretend like we are.
                     synchronized (this) {
@@ -119,7 +115,7 @@ public class FragmentRetainInstance extends Activity {
                 }
             }
         };
-        
+
         /**
          * Fragment initialization.  We way we want to be retained and
          * start our thread.
@@ -190,7 +186,7 @@ public class FragmentRetainInstance extends Activity {
             
             super.onDetach();
         }
-        
+
         /**
          * API for our UI to restart the progress thread.
          */

samples/ApiDemos/src/com/example/android/apis/app/FragmentStack.java

@@ -31,7 +31,7 @@ import android.widget.TextView;
 
 public class FragmentStack extends Activity {
     int mStackLevel = 1;
-    
+
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
@@ -54,7 +54,7 @@ public class FragmentStack extends Activity {
             mStackLevel = savedInstanceState.getInt("level");
         }
     }
-    
+
     @Override
     public void onSaveInstanceState(Bundle outState) {
         super.onSaveInstanceState(outState);
@@ -70,18 +70,18 @@ public class FragmentStack extends Activity {
         ft.addToBackStack(null);
         ft.commit();
     }
-    
+
     public static class CountingFragment extends Fragment {
         int mNum;
-        
+
         public CountingFragment() {
             mNum = -1;
         }
-        
+
         public CountingFragment(int num) {
             mNum = num;
         }
-        
+
         @Override
         public void onCreate(Bundle savedInstanceState) {
             super.onCreate(savedInstanceState);
@@ -96,6 +96,7 @@ public class FragmentStack extends Activity {
             outState.putInt("num", mNum);
         }
 
+        @Override
         public View onCreateView(LayoutInflater inflater, ViewGroup container,
                 Bundle savedInstanceState) {
             View v = inflater.inflate(R.layout.hello_world, container, false);

samples/ApiDemos/src/com/example/android/apis/preference/FragmentPreferences.java

@@ -33,6 +33,7 @@ import android.widget.ListView;
  */
 //BEGIN_INCLUDE(activity)
 public class FragmentPreferences extends Activity {
+
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
@@ -47,6 +48,7 @@ public class FragmentPreferences extends Activity {
      * pick one, the corresponding preferences fragment is created and shown.
      */
     public static class CategoriesFragment extends ListFragment {
+
         @Override
         public void onActivityCreated(Bundle savedInstanceState) {
             super.onActivityCreated(savedInstanceState);
@@ -72,6 +74,7 @@ public class FragmentPreferences extends Activity {
 
 //BEGIN_INCLUDE(fragment)
     public static class Prefs1Fragment extends PreferenceFragment {
+
         @Override
         public void onCreate(Bundle savedInstanceState) {
             super.onCreate(savedInstanceState);
@@ -83,6 +86,7 @@ public class FragmentPreferences extends Activity {
 //END_INCLUDE(fragment)
 
     public static class Prefs2Fragment extends PreferenceFragment {
+
         @Override
         public void onCreate(Bundle savedInstanceState) {
             super.onCreate(savedInstanceState);