use styled warning for message error. fixes #3428

src/main/java/eu/siacs/conversations/ui/ConversationsOverviewFragment.java

@@ -196,7 +196,7 @@ public class ConversationsOverviewFragment extends XmppFragment {
 	public static Conversation getSuggestion(Activity activity) {
 		final Conversation exception;
 		Fragment fragment = activity.getFragmentManager().findFragmentById(R.id.main_fragment);
-		if (fragment != null && fragment instanceof ConversationsOverviewFragment) {
+		if (fragment instanceof ConversationsOverviewFragment) {
 			exception = ((ConversationsOverviewFragment) fragment).swipedConversation.peek();
 		} else {
 			exception = null;
@@ -206,7 +206,7 @@ public class ConversationsOverviewFragment extends XmppFragment {
 
 	public static Conversation getSuggestion(Activity activity, Conversation exception) {
 		Fragment fragment = activity.getFragmentManager().findFragmentById(R.id.main_fragment);
-		if (fragment != null && fragment instanceof ConversationsOverviewFragment) {
+		if (fragment instanceof ConversationsOverviewFragment) {
 			List<Conversation> conversations = ((ConversationsOverviewFragment) fragment).conversations;
 			if (conversations.size() > 0) {
 				Conversation suggestion = conversations.get(0);

src/main/java/eu/siacs/conversations/ui/PublishProfilePictureActivity.java

@@ -68,7 +68,7 @@ public class PublishProfilePictureActivity extends XmppActivity implements XmppC
     public void onAvatarPublicationFailed(int res) {
         runOnUiThread(() -> {
             hintOrWarning.setText(res);
-            hintOrWarning.setTextColor(getWarningTextColor());
+            hintOrWarning.setTextAppearance(this,R.style.TextAppearance_Conversations_Body1_Warning);
             hintOrWarning.setVisibility(View.VISIBLE);
             publishing = false;
             togglePublishButton(true, R.string.publish);
@@ -208,7 +208,7 @@ public class PublishProfilePictureActivity extends XmppActivity implements XmppC
         if (bm == null) {
             togglePublishButton(false, R.string.publish);
             this.hintOrWarning.setVisibility(View.VISIBLE);
-            this.hintOrWarning.setTextColor(getWarningTextColor());
+            this.hintOrWarning.setTextAppearance(this,R.style.TextAppearance_Conversations_Body1_Warning);
             this.hintOrWarning.setText(R.string.error_publish_avatar_converting);
             return;
         }
@@ -219,7 +219,7 @@ public class PublishProfilePictureActivity extends XmppActivity implements XmppC
         } else {
             togglePublishButton(false, R.string.publish);
             this.hintOrWarning.setVisibility(View.VISIBLE);
-            this.hintOrWarning.setTextColor(getWarningTextColor());
+            this.hintOrWarning.setTextAppearance(this,R.style.TextAppearance_Conversations_Body1_Warning);
             if (account.getStatus() == Account.State.ONLINE) {
                 this.hintOrWarning.setText(R.string.error_publish_avatar_no_server_support);
             } else {

src/main/java/eu/siacs/conversations/ui/XmppActivity.java

@@ -92,8 +92,6 @@ public abstract class XmppActivity extends ActionBarActivity {
 	public XmppConnectionService xmppConnectionService;
 	public boolean xmppConnectionServiceBound = false;
 
-	protected int mColorRed;
-
 	protected static final String FRAGMENT_TAG_DIALOG = "dialog";
 
 	private boolean isCameraFeatureAvailable = false;
@@ -400,9 +398,6 @@ public abstract class XmppActivity extends ActionBarActivity {
 		ExceptionHelper.init(getApplicationContext());
 		new EmojiService(this).init();
 		this.isCameraFeatureAvailable = getPackageManager().hasSystemFeature(PackageManager.FEATURE_CAMERA);
-
-		mColorRed = ContextCompat.getColor(this, R.color.red800);
-
 		this.mTheme = findTheme();
 		setTheme(this.mTheme);
 
@@ -767,15 +762,6 @@ public abstract class XmppActivity extends ActionBarActivity {
 		}
 	}
 
-	public int getWarningTextColor() {
-		return this.mColorRed;
-	}
-
-	public int getPixel(int dp) {
-		DisplayMetrics metrics = getResources().getDisplayMetrics();
-		return ((int) (dp * metrics.density));
-	}
-
 	public boolean copyTextToClipboard(String text, int labelResId) {
 		ClipboardManager mClipBoardManager = (ClipboardManager) getSystemService(CLIPBOARD_SERVICE);
 		String label = getResources().getString(labelResId);

src/main/java/eu/siacs/conversations/ui/adapter/MessageAdapter.java

@@ -242,7 +242,11 @@ public class MessageAdapter extends ArrayAdapter<Message> implements CopyTextVie
 				break;
 		}
 		if (error && type == SENT) {
-			viewHolder.time.setTextAppearance(getContext(), R.style.TextAppearance_Conversations_Caption_Warning);
+			if (darkBackground) {
+				viewHolder.time.setTextAppearance(getContext(), R.style.TextAppearance_Conversations_Caption_Warning_OnDark);
+			} else {
+				viewHolder.time.setTextAppearance(getContext(), R.style.TextAppearance_Conversations_Caption_Warning);
+			}
 		} else {
 			if (darkBackground) {
 				viewHolder.time.setTextAppearance(getContext(), R.style.TextAppearance_Conversations_Caption_OnDark);

src/main/res/values/styles.xml

@@ -31,6 +31,10 @@
         <item name="android:textColorLink">?android:textColorPrimary</item>
     </style>
 
+    <style name="TextAppearance.Conversations.Body1.Warning" parent="TextAppearance.AppCompat.Body1">
+        <item name="android:textColor">?color_warning</item>
+    </style>
+
     <style name="TextAppearance.Conversations.Body1.Linkified" parent="TextAppearance.AppCompat.Body1">
         <item name="android:textSize">?TextSizeBody1</item>
     </style>
@@ -112,7 +116,11 @@
     </style>
 
     <style name="TextAppearance.Conversations.Caption.Warning" parent="TextAppearance.Conversations.Caption">
-        <item name="android:textColor">@color/red800</item>
+        <item name="android:textColor">@color/red_a700</item>
+    </style>
+
+    <style name="TextAppearance.Conversations.Caption.Warning.OnDark" parent="TextAppearance.Conversations.Caption">
+        <item name="android:textColor">@color/red_a100</item>
     </style>
 
     <style name="TextAppearance.Conversations.Caption.Highlight" parent="TextAppearance.Conversations.Caption">