Fix for dialogs on GB.

AndroidManifest.xml

@@ -33,13 +33,13 @@
               android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout"/>
 
     <activity android:name=".PassphraseCreateActivity"
-              android:theme="@style/Theme.Sherlock.Dialog"
+              android:theme="@style/Theme.Sherlock.Light.Dialog"
               android:label="Create Passphrase"
               android:launchMode="singleInstance"
               android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout"/>
 
     <activity android:name=".PassphrasePromptActivity"
-              android:theme="@style/Theme.Sherlock.Dialog"
+              android:theme="@style/Theme.Sherlock.Light.Dialog"
               android:label="Enter Passphrase"
               android:launchMode="singleInstance"
               android:windowSoftInputMode="stateVisible"
@@ -50,17 +50,17 @@
               android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout"/>
 
     <activity android:name=".AutoInitiateActivity"
-              android:theme="@style/Theme.Sherlock.Dialog"
+              android:theme="@style/Theme.Sherlock.Light.Dialog"
               android:label="TextSecure Messaging Detected"
               android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout"/>
 
     <activity android:name=".ViewIdentityActivity"
-              android:theme="@style/Theme.Sherlock.Dialog"
+              android:theme="@style/Theme.Sherlock.Light.Dialog"
               android:label="Public Identity Key"
               android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout"/>
 
     <activity android:name=".PassphraseChangeActivity"
-              android:theme="@style/Theme.Sherlock.Dialog"
+              android:theme="@style/Theme.Sherlock.Light.Dialog"
               android:label="Change Passphrase"
               android:launchMode="singleInstance"
               android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout"/>
@@ -74,7 +74,7 @@
               android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout"/>
 
     <activity android:name=".SaveIdentityActivity"
-              android:theme="@style/Theme.Sherlock.Dialog"
+              android:theme="@style/Theme.Sherlock.Light.Dialog"
               android:label="Save Identity"
               android:windowSoftInputMode="stateVisible"
               android:configChanges="touchscreen|keyboard|keyboardHidden|orientation|screenLayout"/>

src/org/thoughtcrime/securesms/PassphraseActivity.java

@@ -16,23 +16,24 @@
  */
 package org.thoughtcrime.securesms;
 
-import org.thoughtcrime.securesms.crypto.MasterSecret;
-import org.thoughtcrime.securesms.service.KeyCachingService;
-import org.thoughtcrime.securesms.util.MemoryCleaner;
-
-import android.app.Activity;
 import android.content.ComponentName;
 import android.content.Context;
 import android.content.Intent;
 import android.content.ServiceConnection;
 import android.os.IBinder;
 
+import com.actionbarsherlock.app.SherlockActivity;
+
+import org.thoughtcrime.securesms.crypto.MasterSecret;
+import org.thoughtcrime.securesms.service.KeyCachingService;
+import org.thoughtcrime.securesms.util.MemoryCleaner;
+
 /**
  * Base Activity for changing/prompting local encryption passphrase.
  *
  * @author Moxie Marlinspike
  */
-public abstract class PassphraseActivity extends Activity {
+public abstract class PassphraseActivity extends SherlockActivity {
 
   private KeyCachingService keyCachingService;
   private MasterSecret masterSecret;

src/org/thoughtcrime/securesms/PassphrasePromptActivity.java

@@ -16,11 +16,6 @@
  */
 package org.thoughtcrime.securesms;
 
-import org.thoughtcrime.securesms.crypto.InvalidPassphraseException;
-import org.thoughtcrime.securesms.crypto.MasterSecret;
-import org.thoughtcrime.securesms.crypto.MasterSecretUtil;
-import org.thoughtcrime.securesms.util.MemoryCleaner;
-
 import android.os.Bundle;
 import android.view.View;
 import android.view.View.OnClickListener;
@@ -28,6 +23,11 @@ import android.widget.Button;
 import android.widget.EditText;
 import android.widget.Toast;
 
+import org.thoughtcrime.securesms.crypto.InvalidPassphraseException;
+import org.thoughtcrime.securesms.crypto.MasterSecret;
+import org.thoughtcrime.securesms.crypto.MasterSecretUtil;
+import org.thoughtcrime.securesms.util.MemoryCleaner;
+
 /**
  * Activity that prompts for a users's passphrase.
  *