add dark theme to PassphraseChangeActivity

also adding DynamicLanguage to fix ActionBar language changes

res/layout/change_passphrase_activity.xml

@@ -3,8 +3,7 @@
 <ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
             android:layout_width="fill_parent"
             android:layout_height="fill_parent"
-            android:fillViewport="true"
-            android:background="@drawable/background_pattern_repeat">
+            android:fillViewport="true">
 
     <FrameLayout
         android:layout_width="fill_parent"

res/values/attrs.xml

@@ -84,6 +84,8 @@
     <attr name="encrypted_backup" format="reference" />
     <attr name="plaintext_backup" format="reference" />
 
+    <attr name="registration_text_shadow_color" format="color" />
+
     <attr name="reminder_header_background" format="color"/>
 
     <attr name="menu_new_conversation_icon" format="reference" />

res/values/styles.xml

@@ -122,11 +122,11 @@
         <item name="android:textSize">12.0sp</item>
         <item name="android:typeface">sans</item>
         <item name="android:textStyle">normal</item>
-        <item name="android:textColor">#ff808080</item>
+        <item name="android:textColor">?android:attr/textColorSecondary</item>
         <item name="android:gravity">left</item>
         <item name="android:layout_gravity">left</item>
         <item name="android:layout_height">wrap_content</item>
-        <item name="android:shadowColor">#ffffff</item>
+        <item name="android:shadowColor">?registration_text_shadow_color</item>
         <item name="android:shadowDx">1.0</item>
         <item name="android:shadowDy">1.0</item>
         <item name="android:shadowRadius">0.0</item>

res/values/themes.xml

@@ -181,6 +181,8 @@
         <item name="conversation_icon_attach_audio">@drawable/ic_audio_light</item>
         <item name="conversation_icon_attach_video">@drawable/ic_video_light</item>
 
+        <item name="registration_text_shadow_color">@color/gray95</item>
+
         <item name="reminder_header_background">#ff1d85d7</item>
 
         <item name="pref_ic_sms_mms">@drawable/ic_textsms_black_32dp</item>
@@ -294,6 +296,8 @@
         <item name="conversation_icon_attach_audio">@drawable/ic_audio_dark</item>
         <item name="conversation_icon_attach_video">@drawable/ic_video_dark</item>
 
+        <item name="registration_text_shadow_color">@color/gray13</item>
+
         <item name="reminder_header_background">@color/textsecure_primary_dark</item>
 
         <item name="pref_ic_sms_mms">@drawable/ic_textsms_grey_32dp</item>

src/org/thoughtcrime/securesms/PassphraseChangeActivity.java

@@ -31,6 +31,8 @@ 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.DynamicLanguage;
+import org.thoughtcrime.securesms.util.DynamicTheme;
 import org.thoughtcrime.securesms.util.TextSecurePreferences;
 
 /**
@@ -41,6 +43,9 @@ import org.thoughtcrime.securesms.util.TextSecurePreferences;
 
 public class PassphraseChangeActivity extends PassphraseActivity {
 
+  private DynamicTheme    dynamicTheme    = new DynamicTheme();
+  private DynamicLanguage dynamicLanguage = new DynamicLanguage();
+
   private EditText originalPassphrase;
   private EditText newPassphrase;
   private EditText repeatPassphrase;
@@ -50,6 +55,8 @@ public class PassphraseChangeActivity extends PassphraseActivity {
 
   @Override
   public void onCreate(Bundle savedInstanceState) {
+    dynamicTheme.onCreate(this);
+    dynamicLanguage.onCreate(this);
     super.onCreate(savedInstanceState);
 
     setContentView(R.layout.change_passphrase_activity);
@@ -57,6 +64,13 @@ public class PassphraseChangeActivity extends PassphraseActivity {
     initializeResources();
   }
 
+  @Override
+  public void onResume() {
+    super.onResume();
+    dynamicTheme.onResume(this);
+    dynamicLanguage.onResume(this);
+  }
+
   private void initializeResources() {
     this.originalPassphraseLabel = (TextView) findViewById(R.id.old_passphrase_label);
     this.originalPassphrase      = (EditText) findViewById(R.id.old_passphrase      );