android - Display degree symbol in a TextView

activity_main.xml

 <?xml version="1.0" encoding="utf-8"?> <RelativeLayout     xmlns:android="http://schemas.android.com/apk/res/android"     xmlns:tools="http://schemas.android.com/tools"     android:id="@+id/rl"     android:layout_width="match_parent"     android:layout_height="match_parent"     android:padding="16dp"     tools:context=".MainActivity"     android:background="#f1fbfc"     >     <TextView         android:id="@+id/tv"         android:layout_width="wrap_content"         android:layout_height="wrap_content"         android:textSize="40dp"         android:layout_margin="10dp"         android:padding="10dp"         android:textStyle="bold"         android:fontFamily="sans-serif-condensed"         android:textColor="#227aed"         android:text="Degree symbol in XML\nTemperature is 34.5\u00B0"         />     <TextView         android:id="@+id/tv_second"         android:layout_width="wrap_content"         android:layout_height="wrap_content"         android:textSize="40dp"         android:layout_margin="10dp"         android:padding="10dp"         android:textStyle="bold"         android:fontFamily="sans-serif-condensed"         android:textColor="#ed22df"         android:layout_below="@id/tv"         /> </RelativeLayout> 

MainActivity.java

 package com.cfsuman.me.androidcodesnippets;  import android.app.Activity; import android.content.Context; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.widget.RelativeLayout; import android.widget.TextView;   public class MainActivity extends AppCompatActivity {      private Context mContext;     private Activity mActivity;      private RelativeLayout mRelativeLayout;     private TextView mTextView;     private TextView mTextViewSecond;       @Override     protected void onCreate(Bundle savedInstanceState) {         super.onCreate(savedInstanceState);         setContentView(R.layout.activity_main);          // Get the application context         mContext = getApplicationContext();          // Get the activity         mActivity = MainActivity.this;          // Get the widgets reference from XML layout         mRelativeLayout = (RelativeLayout) findViewById(R.id.rl);         mTextView = (TextView) findViewById(R.id.tv);         mTextViewSecond = (TextView) findViewById(R.id.tv_second);          // Display a degree symbol programmatically in a TextView         mTextViewSecond.setText("Degree symbol in code : " + "45.7" + (char) 0x00B0);     } }