using proper PreferenceActivity now, tho the underlying storage of the values remained almost the same, some changes how the preferences are accessed and how the cache service is started

src/org/thialfihar/android/apg/Preferences.java

@@ -0,0 +1,106 @@
+package org.thialfihar.android.apg;
+
+import org.bouncycastle2.bcpg.HashAlgorithmTags;
+import org.bouncycastle2.openpgp.PGPEncryptedData;
+
+import android.content.Context;
+import android.content.SharedPreferences;
+
+public class Preferences {
+    private static Preferences mPreferences;
+    private SharedPreferences mSharedPreferences;
+
+    public static synchronized Preferences getPreferences(Context context)
+    {
+        if (mPreferences == null) {
+            mPreferences = new Preferences(context);
+        }
+        return mPreferences;
+    }
+
+    private Preferences(Context context)
+    {
+        mSharedPreferences = context.getSharedPreferences("APG.main", Context.MODE_PRIVATE);
+    }
+
+    public int getPassPhraseCacheTtl() {
+        int ttl = mSharedPreferences.getInt(Constants.pref.pass_phrase_cache_ttl, 180);
+        // fix the value if it was set to "never" in previous versions, which currently is not
+        // supported
+        if (ttl == 0) {
+            ttl = 180;
+        }
+        return ttl;
+    }
+
+    public void setPassPhraseCacheTtl(int value) {
+        SharedPreferences.Editor editor = mSharedPreferences.edit();
+        editor.putInt(Constants.pref.pass_phrase_cache_ttl, value);
+        editor.commit();
+    }
+
+    public int getDefaultEncryptionAlgorithm() {
+        return mSharedPreferences.getInt(Constants.pref.default_encryption_algorithm,
+                                         PGPEncryptedData.AES_256);
+    }
+
+    public void setDefaultEncryptionAlgorithm(int value) {
+        SharedPreferences.Editor editor = mSharedPreferences.edit();
+        editor.putInt(Constants.pref.default_encryption_algorithm, value);
+        editor.commit();
+    }
+
+    public int getDefaultHashAlgorithm() {
+        return mSharedPreferences.getInt(Constants.pref.default_hash_algorithm,
+                                         HashAlgorithmTags.SHA256);
+    }
+
+    public void setDefaultHashAlgorithm(int value) {
+        SharedPreferences.Editor editor = mSharedPreferences.edit();
+        editor.putInt(Constants.pref.default_hash_algorithm, value);
+        editor.commit();
+    }
+
+    public int getDefaultMessageCompression() {
+        return mSharedPreferences.getInt(Constants.pref.default_message_compression,
+                                         Id.choice.compression.zlib);
+    }
+
+    public void setDefaultMessageCompression(int value) {
+        SharedPreferences.Editor editor = mSharedPreferences.edit();
+        editor.putInt(Constants.pref.default_message_compression, value);
+        editor.commit();
+    }
+
+    public int getDefaultFileCompression() {
+        return mSharedPreferences.getInt(Constants.pref.default_file_compression,
+                                         Id.choice.compression.none);
+    }
+
+    public void setDefaultFileCompression(int value) {
+        SharedPreferences.Editor editor = mSharedPreferences.edit();
+        editor.putInt(Constants.pref.default_file_compression, value);
+        editor.commit();
+    }
+
+    public boolean getDefaultAsciiArmour() {
+        return mSharedPreferences.getBoolean(Constants.pref.default_ascii_armour, false);
+    }
+
+    public void setDefaultAsciiArmour(boolean value) {
+        SharedPreferences.Editor editor = mSharedPreferences.edit();
+        editor.putBoolean(Constants.pref.default_ascii_armour, value);
+        editor.commit();
+    }
+
+    public boolean hasSeenChangeLog(String version) {
+        return mSharedPreferences.getBoolean(Constants.pref.has_seen_change_log + version,
+                                       false);
+    }
+
+    public void setHasSeenChangeLog(String version, boolean value) {
+        SharedPreferences.Editor editor = mSharedPreferences.edit();
+        editor.putBoolean(Constants.pref.has_seen_change_log + version, value);
+        editor.commit();
+    }
+}