title: Difficulties with android on click listener
body: <p>firstly I have to write that I have just started my adventure with android, I'm building simple menu and as far as I have about and exit button working :), I've tried with start button but it doesn't listen at all, If You have any suggestions what to do with it I would more than happy :)</p>
  
  <p>main activity:</p>
  
  <pre><code>public class MainActivity extends Activity implements OnClickListener
  {
  
  @Override
  public void onCreate(Bundle savedInstanceState)
  {
  super.onCreate(savedInstanceState);
  setContentView(R.layout.main);
   View startButton = findViewById(R.id.start_button);
   startButton.setOnClickListener(this);
   View whereButton = findViewById(R.id.where_button);
   whereButton.setOnClickListener(this);
   View aboutButton = findViewById(R.id.about_button);
   aboutButton.setOnClickListener(this);
   View exitButton = findViewById(R.id.exit_button);
   exitButton.setOnClickListener(this);
  }
  
  public void onClick(View v) {
  
  switch (v.getId()) {
  
  case R.id.about_button:
  Intent i = new Intent(this, About.class);
  startActivity(i);
  break;
  case R.id.exit_button:
  finish();
  break;
  case R.id.start_button:
  i = new Intent(this, Start.class);
  startActivity(i);
  break;
  }
  }
  </code></pre>
  
  <p>Strings.xml:</p>
  
  <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt;
  &lt;resources&gt;
  &lt;string name="app_name"&gt;City Inspector&lt;/string&gt;
  &lt;string name="main_title"&gt;Ldz Inspector&lt;/string&gt;
  &lt;string name="start_title"&gt;Profile&lt;/string&gt;
  &lt;string name="start_label"&gt;START&lt;/string&gt;
  &lt;string name="where_label"&gt;WHERE AM I?&lt;/string&gt;
  &lt;string name="option_label"&gt;OPTIONS&lt;/string&gt;
  &lt;string name="about_label"&gt;ABOUT&lt;/string&gt;
  &lt;string name="create_label"&gt;CREATE PROFILE&lt;/string&gt;
  &lt;string name="browse_label"&gt;BROWSE MAP&lt;/string&gt;
  &lt;string name="exit_label"&gt;EXIT&lt;/string&gt; 
  &lt;string name="about_text"&gt;\
  about program things
  
  &lt;/string&gt;
  &lt;/resources&gt;
  </code></pre>
  
  <p>start.java</p>
  
  <pre><code>protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.start);
  }
  }
  </code></pre>
  
  <p>start.xml</p>
  
  <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt;
  &lt;LinearLayout
  xmlns:android="http://schemas.android.com/apk/res/android"
  android:background="@color/background"
  android:layout_height="fill_parent"
  android:layout_width="fill_parent"
  android:padding="20dip"
  android:orientation="horizontal" &gt;
  &lt;LinearLayout
  android:orientation="vertical"
  android:layout_height="wrap_content"
  android:layout_width="fill_parent"
  android:layout_gravity="center" &gt;
  &lt;TextView
  android:text="@string/start_title"
  android:layout_height="wrap_content"
  android:layout_width="wrap_content"
  android:layout_gravity="center"
  android:layout_marginBottom="25dip"
  android:textSize="24.5sp" /&gt;
  &lt;Button
  android:id="@+id/Create_Profile"
  android:layout_width="fill_parent"
  android:layout_height="wrap_content"
  android:text="@string/create_label" /&gt;
  &lt;Button
  android:id="@+id/Browse_Map"
  android:layout_width="fill_parent"
  android:layout_height="wrap_content"
  android:text="@string/browse_label" /&gt;
  &lt;/LinearLayout&gt;
  &lt;/LinearLayout&gt;
  </code></pre>
  
  <p>!!EDIT:</p>
  
  <p>Sorry I knew I forgot to post something :), here is the AndroidManifest :)</p>
  
  <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt;
  &lt;manifest xmlns:android="http://schemas.android.com/apk/res/android"
  package="menu.dot"
  android:versionCode="1"
  android:versionName="1.0"&gt;
  &lt;application android:label="@string/app_name" android:icon="@drawable/icon"&gt;
  &lt;activity android:name="MainActivity"
  android:label="@string/app_name"&gt;
  &lt;intent-filter&gt;
  &lt;action android:name="android.intent.action.MAIN" /&gt;
  &lt;category android:name="android.intent.category.LAUNCHER" /&gt;
  &lt;/intent-filter&gt;
  
  &lt;/activity&gt;
  &lt;activity android:name=".About"&gt;
  android:label="@string/about_title" 
  android:theme="@android:style/Theme.Dialog" &gt;
  &lt;/activity&gt;
  &lt;activity android:name=".Exit"&gt;
  andorid:label="@string/exit_title"&gt;    
  &lt;/activity&gt;
  &lt;activity android:name=".Start"&gt;
  andorid:label="@string/start_title"&gt;
  
  &lt;/activity&gt;
  /application&gt;
  &lt;/manifest&gt; 
  </code></pre>
  
  <p>Please check the start.xml edition</p>
  
  <p>main.xml</p>
  
  <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt;
  &lt;LinearLayout
  xmlns:android="http://schemas.android.com/apk/res/android"
  android:background="@color/background"
  android:layout_height="fill_parent"
  android:layout_width="fill_parent"
  android:padding="20dip"
  android:orientation="horizontal" &gt;
  &lt;LinearLayout
  android:orientation="vertical"
  android:layout_height="wrap_content"
  android:layout_width="fill_parent"
  android:layout_gravity="center" &gt;
  &lt;TextView
  android:text="@string/main_title"
  android:layout_height="wrap_content"
  android:layout_width="wrap_content"
  android:layout_gravity="center"
  android:layout_marginBottom="25dip"
  android:textSize="24.5sp" /&gt;
  &lt;Button
  android:id="@+id/start_button"
  android:layout_width="fill_parent"
  android:layout_height="wrap_content"
  android:text="@string/start_label" /&gt;
  &lt;Button
  android:id="@+id/where_button"
  android:layout_width="fill_parent"
  android:layout_height="wrap_content"
  android:text="@string/where_label" /&gt;
  &lt;Button
  android:id="@+id/option_button"
  android:layout_width="fill_parent"
  android:layout_height="wrap_content"
  android:text="@string/option_label" /&gt;
  &lt;Button
  android:id="@+id/about_button"
  android:layout_width="fill_parent"
  android:layout_height="wrap_content"
  android:text="@string/about_label" /&gt;
  &lt;Button
  android:id="@+id/exit_button"
  android:layout_width="fill_parent"
  android:layout_height="wrap_content"
  android:text="@string/exit_label" /&gt;
  &lt;/LinearLayout&gt;
  &lt;/LinearLayout&gt;
  </code></pre>