announcing help - only once

src/net/zaczek/launcherforblind/DialerActivity.java

@@ -52,6 +52,16 @@ public void onCreate(Bundle savedInstanceState) {
 		txtCurrentDigit = (TextView) findViewById(R.id.txtCurrentDigit);
 		txtCurrentDigit.setText(R.string.digit_help);
 	}
+
+	@Override
+	protected boolean announceHelp() {
+		if (Settings.announceDialerHelp()) {
+			say(getString(R.string.digit_help));
+			Settings.updateAnnounceDialerHelp();
+			return true;
+		}
+		return false;
+	}
 
 	@Override
 	public boolean onTouchEvent(MotionEvent event) {

src/net/zaczek/launcherforblind/MainActivity.java

@@ -45,10 +45,14 @@ protected ListEntry[] getList() {
 	protected void giveFeedback(String label) {
 		txtMain.setText(label);
 	}
-	
+
 	@Override
 	protected boolean announceHelp() {
-		say(getString(R.string.main_help));
-		return true;
+		if (Settings.announceMainHelp()) {
+			say(getString(R.string.main_help));
+			Settings.updateAnnounceMainHelp();
+			return true;
+		}
+		return false;
 	}
 }

src/net/zaczek/launcherforblind/Settings.java

@@ -20,7 +20,8 @@ public static boolean announceMainHelp() {
 
 	public synchronized static void updateAnnounceMainHelp() {
 		load();
-		sharedPref.edit().putBoolean("announceMainHelp", true).commit();
+		sharedPref.edit().putBoolean("announceMainHelp", false).commit();
+		sharedPref = null;
 	}
 
 	public static boolean announceDialerHelp() {
@@ -30,6 +31,6 @@ public static boolean announceDialerHelp() {
 
 	public synchronized static void updateAnnounceDialerHelp() {
 		load();
-		sharedPref.edit().putBoolean("announceDialerHelp", true).commit();
+		sharedPref.edit().putBoolean("announceDialerHelp", false).commit();
 	}
 }

src/net/zaczek/launcherforblind/activitysupport/AbstractActivity.java

@@ -50,6 +50,8 @@ public void onUtteranceCompleted(String utteranceId) {
 				onTTSCompleted();
 			}			
 		});
+
+		announceHelp();
 	}
 
 	@Override