title: requestWindowFeature(Window.FEATURE_NO_TITLE); not working
body: <p>i have referred many questions....but not any answer working in my case....plz help me.....</p>
  
  <pre><code>package com.example.owner.bikeguard;
  
  import android.support.v7.app.AppCompatActivity;
  import android.os.Bundle;
  import android.view.Window;
  import android.view.WindowManager;
  
  public class LoginActivity extends AppCompatActivity
  {
  
      @Override
      protected void onCreate(Bundle savedInstanceState)
      {
          super.onCreate(savedInstanceState);
          requestWindowFeature(Window.FEATURE_NO_TITLE);
          setContentView(R.layout.activity_login);
  
      }
  }
  </code></pre>