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POWhy isn't my Hello World Android Activity spanning the entire screen?
 

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  1. POWhy isn't my Hello World Android Activity spanning the entire screen?
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    <p><b>Update</b></p> <p>After adding the following style and setting it for my application, I have gotten it draw the whole screen:</p> <pre><code>&lt;resources&gt; &lt;style name="app_theme" parent="android:Theme.NoTitleBar"&gt; &lt;item name="android:windowBackground"&gt;@color/green&lt;/item&gt; &lt;/style&gt; &lt;/resources&gt; </code></pre> <p>While developing my first Android app I've realized that my apps' views never span the entire screen whereas other sample projects I have downloaded do. To test this I have created a basic activity class and set the background of a <code>TextView</code> to green to see how much it is spanning. Forgive me if this is a stupid question but I am new to this.</p> <p>Here is the screenshot:</p> <p><img src="https://i.stack.imgur.com/JG2ak.png" alt="enter image description here"></p> <p>Here is the complete HomeActivity Source:</p> <pre><code>public class HomeActivity extends Activity { /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); } } </code></pre> <p>Here is the layout file (<code>/res/layout/main.xml</code>):</p> <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt; &lt;LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="vertical" android:layout_width="fill_parent" android:layout_height="fill_parent" &gt; &lt;TextView android:layout_width="fill_parent" android:layout_height="fill_parent" android:text="Hello World, StackOverflow" android:background="#00FF00" /&gt; &lt;/LinearLayout&gt; </code></pre> <p>and here is a screenshot of another app in the emulator working fine, spanning the whole window:</p> <p><img src="https://i.stack.imgur.com/rR5jZ.png" alt="enter image description here"></p> <p><b>Edit</b></p> <p>I edited my XML file to now be:</p> <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt; &lt;LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="vertical" android:layout_width="fill_parent" android:layout_height="fill_parent" android:background="#00FF00" &gt; &lt;TextView android:layout_width="fill_parent" android:layout_height="fill_parent" android:text="Hello World, StackOverflow" /&gt; &lt;/LinearLayout&gt; </code></pre> <p>Then cleaned and built, ran and got the same exact view.</p> <p><b>Edit 2</b></p> <p>I removed the "vertical" orientation line as requested, no change.</p> <p>Here is my 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="com.blah.blah.myCrap" android:versionCode="1" android:versionName="1.0"&gt; &lt;uses-permission android:name="android.permission.INTERNET"&gt;&lt;/uses-permission&gt; &lt;application android:label="@string/app_name" &gt; &lt;activity android:name="HomeActivity" 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;/application&gt; &lt;/manifest&gt; </code></pre> <p></p> <p>Added the following to my manifest under <code>&lt;application&gt;</code></p> <pre><code>&lt;supports-screens android:resizeable="true" android:smallScreens="true" android:normalScreens="true" android:largeScreens="true" android:anyDensity="true" /&gt; </code></pre> <p>Still the wrong size.</p>
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    1. COSet a background colour for your Linear layout. That way you can see if it's the TextView that's being truncated or the LinearLayout.
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      1. POWhy isn't my Hello World Android Activity spanning the entire screen?
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    2. CO@Gophermofur just removed the bg from TextView, added to LinearLayout, clean and build, run, same resulting view :-(.
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    3. COCan you post your manifest.xml?
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