title: Android Google Map V2 Display Blank and show only zoom button?
body: <p>i use the google map v2 and display the multiple marker 
   but first i want  to display the map on the screen 
  i put down my all the files here 
  is gives only blank i will check it out all but nothing work for me</p>
  
  <p><img src="https://i.stack.imgur.com/H5Yx1.png" alt="enter image description here"></p>
  
  <blockquote>
    <p>main.xml</p>
  </blockquote>
  
  <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:paddingBottom="@dimen/activity_vertical_margin"
      android:paddingLeft="@dimen/activity_horizontal_margin"
      android:paddingRight="@dimen/activity_horizontal_margin"
      android:paddingTop="@dimen/activity_vertical_margin"
      tools:context=".MainActivity" &gt;
  
          &lt;fragment
                      android:id="@+id/mapview"
                      android:layout_width="match_parent"
                      android:layout_height="match_parent"
                      class="com.google.android.gms.maps.SupportMapFragment" /&gt;
  
  &lt;/RelativeLayout&gt;
  </code></pre>
  
  <blockquote>
    <p>AndroidManifest.xml</p>
  </blockquote>
  
  <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.mapactivity"
      android:versionCode="1"
      android:versionName="1.0" &gt;
  
      &lt;uses-sdk
          android:minSdkVersion="10"
          /&gt;
  
      &lt;uses-permission android:name="android.permission.INTERNET" /&gt;
      &lt;uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" /&gt;  
      &lt;uses-permission android:name="android.permission.ACCESS_WIFI_STATE" /&gt;        
      &lt;uses-permission android:name="android.permission.CHANGE_WIFI_STATE" /&gt;
      &lt;uses-permission android:name="android.permission.WAKE_LOCK" /&gt;
      &lt;uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" /&gt;
      &lt;uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" /&gt;
      &lt;uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" /&gt;
      &lt;uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" /&gt;
      &lt;permission
          android:name="com.example.stiptis.permission.MAPS_RECEIVE"
          android:protectionLevel="signature"/&gt;
      &lt;uses-permission android:name="com.example.stiptis.permission.MAPS_RECEIVE"/&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.stiptis.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;meta-data
                      android:name="com.google.android.maps.v2.API_KEY"
                      android:value="your api key" /&gt;
      &lt;/application&gt;
  
  &lt;/manifest&gt;
  </code></pre>
  
  <blockquote>
    <p>Activity class</p>
  </blockquote>
  
  <pre><code>public class MainActivity extends FragmentActivity {
  
      @Override
      protected void onCreate(Bundle savedInstanceState) {
          super.onCreate(savedInstanceState);
          setContentView(R.layout.main);
  
      }
  
  
  
  }
  </code></pre>