When corrupted settings are encountered, reset to default values

git-svn-id: https://connectbot.googlecode.com/svn/trunk/connectbot@308 df292f66-193f-0410-a5fc-6d59da041ff2

1 files changed, 27 insertions, 1 deletions

diff --git a/src/org/connectbot/SettingsActivity.java b/src/org/connectbot/SettingsActivity.java
index 422e1df..1d4991f 100644
--- a/src/org/connectbot/SettingsActivity.java
+++ b/src/org/connectbot/SettingsActivity.java
@@ -18,15 +18,41 @@
 
 package org.connectbot;
 
+import org.connectbot.util.PreferenceConstants;
+
+import android.content.SharedPreferences;
 import android.os.Bundle;
 import android.preference.PreferenceActivity;
+import android.preference.PreferenceManager;
+import android.util.Log;
 
 public class SettingsActivity extends PreferenceActivity {
+	private static final String TAG = "ConnectBot.Settings";
 
 	@Override
 	protected void onCreate(Bundle savedInstanceState) {
 		super.onCreate(savedInstanceState);
-		addPreferencesFromResource(R.xml.preferences);
+		try {
+			addPreferencesFromResource(R.xml.preferences);
+		} catch (ClassCastException e) {
+			Log.e(TAG, "Shared preferences are corrupt! Resetting to default values.");
+
+			SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(this);
+
+			// Blow away all the preferences
+			SharedPreferences.Editor editor = preferences.edit();
+			editor.clear();
+			editor.commit();
+
+			PreferenceManager.setDefaultValues(this, R.xml.preferences, true);
+
+			// Since they were able to get to the Settings activity, they already agreed to the EULA
+			editor = preferences.edit();
+			editor.putBoolean(PreferenceConstants.EULA, true);
+			editor.commit();
+
+			addPreferencesFromResource(R.xml.preferences);
+		}
 
 		// TODO: add parse checking here to make sure we have integer value for scrollback