title: How to make TextView Visibile On ButtonClick()?
body: <p>I want it so that when I click a button the text will become visible.<br>
  I failed.</p>
  
  <p>Please, help me</p>
  
  <p>Loveandriod.java</p>
  
  <pre><code>    package com.example.farjad.andriodlove;
  
  import android.support.v7.app.ActionBarActivity;
  import android.os.Bundle;
  import android.view.Menu;
  import android.view.MenuItem;
  import android.view.View;
  import android.widget.TextView;
  
  public class LoveAndriod extends ActionBarActivity {
  
      @Override
      protected void onCreate(Bundle savedInstanceState) {
          super.onCreate(savedInstanceState);
          setContentView(R.layout.activity_love_andriod);
      }
      public void onLoveButtonClicked(View view){
        TextView.setVisibility(R.id.haikowtext);
          TextView haikotext=findViewById(View.VISIBLE);
  
      }
  
      @Override
      public boolean onCreateOptionsMenu(Menu menu) {
          // Inflate the menu; this adds items to the action bar if it is present.
          getMenuInflater().inflate(R.menu.menu_love_andriod, menu);
          return true;
      }
  
      @Override
      public boolean onOptionsItemSelected(MenuItem item) {
          // Handle action bar item clicks here. The action bar will
          // automatically handle clicks on the Home/Up button, so long
          // as you specify a parent activity in AndroidManifest.xml.
          int id = item.getItemId();
  
          //noinspection SimplifiableIfStatement
          if (id == R.id.action_settings) {
              return true;
          }
  
          return super.onOptionsItemSelected(item);
      }
  }
  </code></pre>
  
  <p>and the activity log is below;</p>
  
  <p>activity.love_andriod.xml</p>
  
  <pre><code>&lt;RelativeLayout 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:paddingLeft="@dimen/activity_horizontal_margin"
      android:paddingRight="@dimen/activity_horizontal_margin"
      android:paddingTop="@dimen/activity_vertical_margin"
      android:paddingBottom="@dimen/activity_vertical_margin" tools:context=".LoveAndriod"&gt;
  
      &lt;TextView android:text="@string/hello_world"
          android:layout_width="wrap_content"
          android:layout_height="wrap_content"
          android:id="@+id/haikowtext"
  
          android:layout_alignParentTop="true"
          android:layout_alignParentLeft="true"
          android:layout_alignParentStart="true"
          android:layout_marginTop="123dp"
          android:visibility="invisible" /&gt;
  
      &lt;Button
          android:layout_width="wrap_content"
          android:layout_height="wrap_content"
          android:text="@string/love_button_text"
          android:id="@+id/button"
          android:layout_alignParentTop="true"
          android:layout_alignParentLeft="true"
          android:layout_alignParentStart="true"
          android:onClick="onLoveButtonClicked"/&gt;
  
  &lt;/RelativeLayout&gt;
  </code></pre>
  
  <p>How can I sove that?<br>
  I am a beginner with Android Studio.</p>