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,
+                        new DialogInterface.OnClickListener() {
                             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,
+                        new DialogInterface.OnClickListener() {
                             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

@@ -34,6 +34,7 @@ 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);
@@ -66,6 +67,7 @@ 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);
@@ -90,6 +92,8 @@ public class FragmentAnim extends Activity {
     }
 
     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);

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

@@ -34,6 +34,7 @@ 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);
@@ -44,6 +45,7 @@ public class FragmentContextMenu extends Activity {
     }
 
     public static class ContextMenuFragment extends Fragment {
+
         @Override
         public View onCreateView(LayoutInflater inflater, ViewGroup container,
                 Bundle savedInstanceState) {

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);
@@ -56,6 +53,7 @@ public class FragmentLayout extends Activity {
      * 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);
@@ -76,6 +74,7 @@ public class FragmentLayout extends Activity {
 
     public static class TitlesFragment extends Fragment
             implements AdapterView.OnItemClickListener {
+        @Override
         public View onCreateView(LayoutInflater inflater, ViewGroup container,
                 Bundle savedInstanceState) {
             ListView list = new ListView(getActivity());
@@ -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

@@ -31,6 +31,7 @@ import android.widget.ListView;
  * from a canned array.
  */
 public class FragmentListArray extends Activity {
+
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
@@ -43,6 +44,7 @@ public class FragmentListArray extends Activity {
     }
 
     public static class ArrayListFragment extends ListFragment {
+
         @Override
         public void onActivityCreated(Bundle savedInstanceState) {
             super.onActivityCreated(savedInstanceState);

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);

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.
@@ -84,6 +80,7 @@ public class FragmentMenu extends Activity {
      * 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);
@@ -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);
@@ -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

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

@@ -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);