My shape xml :
<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android">
<solid android:color="@android:color/transparent" />
<stroke android:width="0.5dp" android:color="@android:color/holo_green_dark"/>
</shape>
My activity xml :
<?xml version="1.0" encoding="utf-8"?>
<android.support.design.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:fitsSystemWindows="true"
tools:context="cn.easydone.test.MainActivity">
<android.support.design.widget.AppBarLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:theme="@style/AppTheme.AppBarOverlay">
<android.support.v7.widget.Toolbar
android:id="@+id/toolbar"
android:layout_width="match_parent"
android:layout_height="?attr/actionBarSize"
android:background="?attr/colorPrimary"
app:popupTheme="@style/AppTheme.PopupOverlay" />
<TextView
android:id="@+id/test_text"
android:background="@drawable/bg_stroke_dynamic_color"
android:padding="20dp"
android:text="asdasdasdasd"
android:layout_width="wrap_content"
android:layout_height="wrap_content"/>
</android.support.design.widget.AppBarLayout>
<android.support.v7.widget.RecyclerView
android:id="@+id/recycler_view"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:padding="10dp"
android:clipToPadding="false"
app:layout_behavior="@string/appbar_scrolling_view_behavior" />
My activity java :
TextView testText = (TextView) findViewById(R.id.test_text);
((GradientDrawable)testText.getBackground()).setStroke(10,Color.BLACK);
Result picture : result
