1 files changed, 61 insertions, 0 deletions
diff --git a/ui/text/RoundedBackground-Kotlin/lib/src/main/java/com/android/example/text/styling/roundedbg/RoundedBgTextView.kt b/ui/text/RoundedBackground-Kotlin/lib/src/main/java/com/android/example/text/styling/roundedbg/RoundedBgTextView.kt
new file mode 100644
index 00000000..9f0d2881
--- /dev/null
+++ b/ui/text/RoundedBackground-Kotlin/lib/src/main/java/com/android/example/text/styling/roundedbg/RoundedBgTextView.kt
@@ -0,0 +1,61 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.android.example.text.styling.roundedbg
+
+import android.content.Context
+import android.graphics.Canvas
+import android.text.Spanned
+import android.util.AttributeSet
+import androidx.appcompat.widget.AppCompatTextView
+import androidx.core.graphics.withTranslation
+
+/**
+ * A TextView that can draw rounded background to the portions of the text. See
+ * [TextRoundedBgHelper] for more information.
+ *
+ * See [TextRoundedBgAttributeReader] for supported attributes.
+ */
+class RoundedBgTextView : AppCompatTextView {
+
+    private val textRoundedBgHelper: TextRoundedBgHelper
+
+    @JvmOverloads
+    constructor(
+        context: Context,
+        attrs: AttributeSet? = null,
+        defStyleAttr: Int = android.R.attr.textViewStyle
+    ) : super(context, attrs, defStyleAttr) {
+        val attributeReader = TextRoundedBgAttributeReader(context, attrs)
+        textRoundedBgHelper = TextRoundedBgHelper(
+            horizontalPadding = attributeReader.horizontalPadding,
+            verticalPadding = attributeReader.verticalPadding,
+            drawable = attributeReader.drawable,
+            drawableLeft = attributeReader.drawableLeft,
+            drawableMid = attributeReader.drawableMid,
+            drawableRight = attributeReader.drawableRight
+        )
+    }
+
+    override fun onDraw(canvas: Canvas) {
+        // need to draw bg first so that text can be on top during super.onDraw()
+        if (text is Spanned && layout != null) {
+            canvas.withTranslation(totalPaddingLeft.toFloat(), totalPaddingTop.toFloat()) {
+                textRoundedBgHelper.draw(canvas, text as Spanned, layout)
+            }
+        }
+        super.onDraw(canvas)
+    }
+}
+\ No newline at end of file