title: Failed to install six.apk on device 'emulator-5556 Launch canceled
body: <p>When I run my android application I faced an installation error which is: failed to install my app on emulator and launch cancelled. My app shows a google map to the user.</p>
  
  <p>My xml file</p>
  
  <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt;
  &lt;LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
      android:layout_width="fill_parent"
      android:layout_height="fill_parent"
      android:orientation="vertical" &gt;
  
         &lt;com.google.android.maps.MapView
          android:id="@+id/mapview"
          android:layout_width="fill_parent"
          android:layout_height="fill_parent"
          android:apiKey="************************** "
          android:clickable="true" /&gt;
  &lt;/LinearLayout&gt;
  </code></pre>
  
  <p>My manifest   </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.example.six"
      android:versionCode="1"
      android:versionName="1.0" &gt;
  
      &lt;uses-sdk
          android:minSdkVersion="8"
          android:targetSdkVersion="17" /&gt;
  
  &lt;uses-permission android:name="android.permission.INTERNET"/&gt;
      &lt;application
          android:allowBackup="true"
          android:icon="@drawable/ic_launcher"
          android:label="@string/app_name"
          android:theme="@style/AppTheme" &gt;
          &lt;activity
              android:name="com.example.six.MainActivity"
              android:label="@string/app_name"         
       android:theme="@android:style/Theme.NoTitleBar"&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;uses-library android:name="com.google.android.maps"/&gt;    
      &lt;/application&gt;   
  &lt;/manifest&gt;
  </code></pre>
  
  <p>Main file</p>
  
  <pre><code>package com.example.six;
  import android.os.Bundle;
  import android.view.Menu;
  
  import com.google.android.maps.MapActivity;
  import com.google.android.maps.MapView;
  
  public class MainActivity extends MapActivity {
  
      @Override
      public void onCreate(Bundle savedInstanceState) {
          super.onCreate(savedInstanceState);
          setContentView(R.layout.activity_main);
          MapView mapView = (MapView) findViewById(R.id.mapview);
          mapView.setBuiltInZoomControls(true);
      }
  
  
      @Override
      public boolean onCreateOptionsMenu(Menu menu) {
          // Inflate the menu; this adds items to the action bar if it is present.
          getMenuInflater().inflate(R.menu.activity_main, menu);
          return true;}
          @Override
          protected boolean isRouteDisplayed() {
              return false;
  
      }
  
  
  }
  </code></pre>
  
  <p>Please tell me is there any problem with my code or is something wrong with my eclipse?
  I have eclipse juno and sdk 4.2 and I am using google api level 17.</p>