UI tweaks

app/src/main/java/eu/kanade/tachiyomi/widget/EmptyView.kt

@@ -0,0 +1,36 @@
+package eu.kanade.tachiyomi.widget
+
+import android.content.Context
+import android.util.AttributeSet
+import android.view.View
+import android.widget.RelativeLayout
+import eu.kanade.tachiyomi.R
+import eu.kanade.tachiyomi.util.getResourceColor
+import eu.kanade.tachiyomi.util.setVectorCompat
+import kotlinx.android.synthetic.main.view_empty.view.*
+
+class EmptyView @JvmOverloads constructor(context: Context, attrs: AttributeSet? = null) :
+        RelativeLayout (context, attrs) {
+
+    init {
+        inflate(context, R.layout.view_empty, this)
+    }
+
+    /**
+     * Hide the information view
+     */
+    fun hide() {
+        this.visibility = View.GONE
+    }
+
+    /**
+     * Show the information view
+     * @param drawable icon of information view
+     * @param textResource text of information view
+     */
+    fun show(drawable: Int, textResource: Int) {
+        image_view.setVectorCompat(drawable, context.theme.getResourceColor(android.R.attr.textColorHint))
+        text_label.text = context.getString(textResource)
+        this.visibility = View.VISIBLE
+    }
+}