To add shadow on TextView using Java code, call setShadowLayer() method.
package com.example.androidtextview;
import android.os.Bundle;
import android.app.Activity;
import android.widget.TextView;
public class MainActivity extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
TextView shadowText = (TextView)findViewById(R.id.shadowtext);
shadowText.setShadowLayer(30, 10, 10, 0xFF303030);
}
}
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
android:orientation="vertical"
tools:context=".MainActivity" >
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Hello"
android:textStyle="bold|italic"
android:layout_gravity="center_horizontal" />
<TextView
android:id="@+id/shadowtext"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="http://android-er.blogspot.com/"
android:textStyle="bold"
android:textSize="30sp"
android:textColor="#0000ff" />
</LinearLayout>
Related: compare to Add shadow for TextView, using XML.