Customized theme of toolbar and action mode.

NMC-2138: Sort filter toolbar button customized.
NMC-2035: Customized navigation view theme with drawer options.

app/src/main/AndroidManifest.xml

@@ -339,11 +339,10 @@
         <activity
             android:name=".ui.activity.SettingsActivity"
             android:exported="false"
-            android:theme="@style/PreferenceTheme" />
+            android:theme="@style/Theme.ownCloud" />
         <activity
             android:name=".ui.preview.PreviewImageActivity"
-            android:exported="false"
-            android:theme="@style/Theme.ownCloud.Overlay" />
+            android:exported="false" />
         <activity
             android:name=".ui.preview.PreviewMediaActivity"
             android:configChanges="orientation|screenLayout|screenSize|keyboardHidden"

app/src/main/java/com/nmc/android/utils/DrawableThemeUtils.kt

@@ -0,0 +1,18 @@
+package com.nmc.android.utils
+
+import android.graphics.drawable.Drawable
+import androidx.annotation.ColorInt
+import androidx.core.graphics.BlendModeColorFilterCompat
+import androidx.core.graphics.BlendModeCompat
+import androidx.core.graphics.drawable.DrawableCompat
+
+object DrawableThemeUtils {
+    @JvmStatic
+    fun tintDrawable(drawable: Drawable, @ColorInt color: Int): Drawable {
+        val wrap: Drawable = DrawableCompat.wrap(drawable)
+        wrap.colorFilter = BlendModeColorFilterCompat.createBlendModeColorFilterCompat(
+            color, BlendModeCompat.SRC_ATOP
+        )
+        return wrap
+    }
+}

app/src/main/java/com/nmc/android/utils/ToolbarThemeUtils.kt

@@ -0,0 +1,27 @@
+package com.nmc.android.utils
+
+import android.content.Context
+import android.graphics.Typeface
+import android.text.Spannable
+import android.text.style.StyleSpan
+import androidx.appcompat.app.ActionBar
+import com.owncloud.android.R
+import com.owncloud.android.utils.StringUtils
+
+object ToolbarThemeUtils {
+    @JvmStatic
+    fun setColoredTitle(context: Context, actionBar: ActionBar?, title: String) {
+        if (actionBar != null) {
+            val text: Spannable = StringUtils.getColorSpan(title, context.resources.getColor(R.color.fontAppbar, null))
+
+            //bold the magenta from MagentaCLOUD title
+            if (title.contains(context.resources.getString(R.string.app_name))) {
+                val textToBold = context.resources.getString(R.string.splashScreenBold)
+                val indexStart = title.indexOf(textToBold)
+                val indexEnd = indexStart + textToBold.length
+                text.setSpan(StyleSpan(Typeface.BOLD), indexStart, indexEnd, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE)
+            }
+            actionBar.title = text
+        }
+    }
+}