Added App Icon (back) Navigation to settings activity

Change-Id: Ia3ec8893abd52867af2f8c4c4b029103e2dfcdfe
Signed-off-by: Ricky Barrette <rickbarrette@gmail.com>

ExaltedDice/src/com/TwentyCode/android/ExaltedDice/Settings.java

@@ -6,6 +6,7 @@
  */
 package com.TwentyCode.android.ExaltedDice;
 
+import android.app.ActionBar;
 import android.content.Intent;
 import android.content.pm.PackageInfo;
 import android.content.pm.PackageManager;
@@ -15,6 +16,7 @@ import android.os.Bundle;
 import android.preference.Preference;
 import android.preference.Preference.OnPreferenceClickListener;
 import android.preference.PreferenceActivity;
+import android.view.MenuItem;
 
 /**
  * This activity will be used to allow the user to fine tune exalted dice
@@ -29,20 +31,77 @@ public class Settings extends PreferenceActivity implements OnPreferenceClickLis
 	private static final CharSequence EMAIL = "email";
 
 	/**
-	 * (non-Javadoc)
+	 * generates the exception repost email intent
-	 * @see android.preference.PreferenceActivity#onCreate(android.os.Bundle)
+	 * @param report
+	 * @return intent to start users email client
+	 * @author ricky barrette
 	 */
-	@Override
+	private Intent generateEmailIntent() {
-	protected void onCreate(Bundle savedInstanceState) {
+		/*
-		super.onCreate(savedInstanceState);
+		 * get the build information, and build the string
-		//set shared_prefs name
+		 */
-    	getPreferenceManager().setSharedPreferencesName(SETTINGS);
+		PackageManager pm = this.getPackageManager();
-    	
+		PackageInfo pi;
-    	//load preferences xml. this load relies on only wether the app is full or not. it will show the check license option if full and leave it out if lite
+		try {
-    	addPreferencesFromResource(R.xml.settings);
+			pi = pm.getPackageInfo(this.getPackageName(), 0);
-    	this.findPreference(EMAIL).setOnPreferenceClickListener(this);
+		} catch (NameNotFoundException eNnf) {
-    	}
+			//doubt this will ever run since we want info about our own package
+			pi = new PackageInfo();
+			pi.versionName = "unknown";
+			pi.versionCode = 1;
+		}
+		
+		Intent intent = new Intent(Intent.ACTION_SEND);
+		String theSubject = this.getString(R.string.app_name);
+		String theBody = "\n\n\n"+ Build.FINGERPRINT +"\n"+ this.getString(R.string.app_name)+" "+pi.versionName+" build "+pi.versionCode;
+		intent.putExtra(Intent.EXTRA_EMAIL,new String[] {this.getString(R.string.email)});
+		intent.putExtra(Intent.EXTRA_TEXT, theBody);
+		intent.putExtra(Intent.EXTRA_SUBJECT, theSubject);
+		intent.setType("message/rfc822");
+		return intent;
+	}
 
+    	/**
+		 * (non-Javadoc)
+		 * @see android.preference.PreferenceActivity#onCreate(android.os.Bundle)
+		 */
+		@Override
+		protected void onCreate(Bundle savedInstanceState) {
+			
+			/*
+			 * The following is for api 11 and up
+			 */
+			if(Integer.valueOf(android.os.Build.VERSION.SDK) > 11){
+				ActionBar actionBar = getActionBar();
+				actionBar.setDisplayHomeAsUpEnabled(true);
+			}
+			
+			super.onCreate(savedInstanceState);
+			//set shared_prefs name
+			getPreferenceManager().setSharedPreferencesName(SETTINGS);
+			
+			//load preferences xml. this load relies on only wether the app is full or not. it will show the check license option if full and leave it out if lite
+			addPreferencesFromResource(R.xml.settings);
+			this.findPreference(EMAIL).setOnPreferenceClickListener(this);
+			}
+    	
+    	/**
+    	 * Called when a options item has been selected
+    	 * (non-Javadoc)
+    	 * @see android.app.Activity#onOptionsItemSelected(android.view.MenuItem)
+    	 */
+    	public boolean onOptionsItemSelected(MenuItem item) {
+    		switch (item.getItemId()) {
+    			case android.R.id.home:
+    	            Intent intent = new Intent(this, ExaltedDice.class);
+    	            intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
+    	            startActivity(intent);
+    	            return true;
+    			default:
+    				return super.onOptionsItemSelected(item);
+    		}
+    	}
+    	
     	/**
     	 * called when the email preference button is clicked
     	 */
@@ -51,35 +110,4 @@ public class Settings extends PreferenceActivity implements OnPreferenceClickLis
     		this.startActivity(generateEmailIntent());
     		return false;
     	}
-    	
-    	/**
-    	 * generates the exception repost email intent
-    	 * @param report
-    	 * @return intent to start users email client
-    	 * @author ricky barrette
-    	 */
-    	private Intent generateEmailIntent() {
-    		/*
-    		 * get the build information, and build the string
-    		 */
-    		PackageManager pm = this.getPackageManager();
-    		PackageInfo pi;
-    		try {
-    			pi = pm.getPackageInfo(this.getPackageName(), 0);
-    		} catch (NameNotFoundException eNnf) {
-    			//doubt this will ever run since we want info about our own package
-    			pi = new PackageInfo();
-    			pi.versionName = "unknown";
-    			pi.versionCode = 1;
-    		}
-    		
-    		Intent intent = new Intent(Intent.ACTION_SEND);
-    		String theSubject = this.getString(R.string.app_name);
-    		String theBody = "\n\n\n"+ Build.FINGERPRINT +"\n"+ this.getString(R.string.app_name)+" "+pi.versionName+" build "+pi.versionCode;
-    		intent.putExtra(Intent.EXTRA_EMAIL,new String[] {this.getString(R.string.email)});
-    		intent.putExtra(Intent.EXTRA_TEXT, theBody);
-    		intent.putExtra(Intent.EXTRA_SUBJECT, theSubject);
-    		intent.setType("message/rfc822");
-    		return intent;
-    	}
 }