tint action bar according to connection state

1 files changed, 37 insertions, 0 deletions

diff --git a/app/src/main/java/se/leap/bitmaskclient/base/utils/ViewHelper.java b/app/src/main/java/se/leap/bitmaskclient/base/utils/ViewHelper.java
index 7410172f..8076f99e 100644
--- a/app/src/main/java/se/leap/bitmaskclient/base/utils/ViewHelper.java
+++ b/app/src/main/java/se/leap/bitmaskclient/base/utils/ViewHelper.java
@@ -1,11 +1,18 @@
 package se.leap.bitmaskclient.base.utils;
 
+import android.app.Notification;
 import android.content.Context;
+import android.graphics.Color;
+import android.text.Spannable;
+import android.text.SpannableString;
+import android.text.style.ForegroundColorSpan;
 
+import androidx.annotation.ColorRes;
 import androidx.annotation.DimenRes;
 import androidx.annotation.StringRes;
 import androidx.appcompat.app.ActionBar;
 import androidx.appcompat.app.AppCompatActivity;
+import androidx.core.content.ContextCompat;
 import androidx.fragment.app.Fragment;
 
 /**
@@ -33,4 +40,34 @@ public class ViewHelper {
         }
     }
 
+    public static boolean isBrightColor(int color) {
+        if (android.R.color.transparent == color)
+            return true;
+
+        boolean rtnValue = false;
+
+        int[] rgb = { Color.red(color), Color.green(color), Color.blue(color) };
+
+        int brightness = (int) Math.sqrt(rgb[0] * rgb[0] * .241 + rgb[1]
+                * rgb[1] * .691 + rgb[2] * rgb[2] * .068);
+
+        // color is light
+        if (brightness >= 200) {
+            rtnValue = true;
+        }
+
+        return rtnValue;
+    }
+
+    public static void setActionBarTextColor(ActionBar bar, @ColorRes int titleColor) {
+        CharSequence titleCharSequence = bar.getTitle();
+        if (titleCharSequence == null) {
+            return;
+        }
+        String title = titleCharSequence.toString();
+        Spannable spannableTitle = new SpannableString(title);
+        spannableTitle.setSpan(new ForegroundColorSpan(ContextCompat.getColor(bar.getThemedContext(), titleColor)), 0, spannableTitle.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
+        bar.setTitle(spannableTitle);
+    }
+
 }