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PODifficulties with android on click listener
 

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    <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>
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    1. CODoes DDMS tell you something? Give you any info about why it isn't starting your Activity?
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    2. COAs far as I can see everything looks just fine. What I cannot see: is start.class deriving from Activity? Is start.class declared inside your manifest? Also put a log inside the onClick() method with Log.d("mainActivity", "onClick triggered") and inside every case statement to see if it gets triggered
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    3. COthx rafael T, I'll check it in a sec
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