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PORuntime Error in MapsDemo Activity
 

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  1. PORuntime Error in MapsDemo Activity
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    <p>I'm using <a href="https://developers.google.com/maps/documentation/android/start#adding_the_api_key_to_your_application" rel="nofollow">this tutorial from Google for MapsActivity</a> but for some reason I have not been getting the required output, the application crashes.</p> <p>Here is the code I'm using:</p> <ol> <li><p>Manifest.xml</p> <p> </p> <pre><code>&lt;uses-sdk android:minSdkVersion="15" android:targetSdkVersion="15" /&gt; &lt;uses-permission android:name="android.permission.INTERNET" /&gt; &lt;uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" /&gt; &lt;uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" /&gt; &lt;uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" /&gt; &lt;uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" /&gt; &lt;uses-permission android:name="com.ajinkya.samplemapsdemo.permission.MAPS_RECEIVE" /&gt; &lt;uses-permission android:name="com.google.android.providers.gsf.permission.READ_GSERVICES" /&gt; &lt;permission android:name="com.ajinkya.samplemapsdemo.permission.MAPS_RECEIVE" android:protectionLevel="signature" /&gt; &lt;uses-feature android:glEsVersion="0x00020000" android:required="true" /&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.ajinkya.samplemapsdemo.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="blahblahblahkey" /&gt; &lt;/application&gt; </code></pre> <p></p></li> <li><p>main.xml</p> <p></p> <pre><code>&lt;fragment xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/map" android:layout_width="match_parent" android:layout_height="match_parent" android:name="com.google.android.gms.maps.MapFragment"/&gt; </code></pre> <p></p></li> <li><p>MainActivity.java</p> <pre><code> package com.ajinkya.samplemapsdemo; import android.os.Bundle; import android.app.Activity; import android.view.Menu; public class MainActivity extends Activity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); } @Override public boolean onCreateOptionsMenu(Menu menu) { // Inflate the menu; this adds items to the action bar if it is present. getMenuInflater().inflate(R.menu.main, menu); return true; }} </code></pre></li> </ol> <p>According to Google, a map should be displayed, which is not happening. It gives me the message:</p> <pre><code>Unfortunately, samplemapsdemo has stopped. </code></pre> <p>Here is the log:</p> <pre><code>08-01 18:30:21.671: D/ActivityThread(10657): setTargetHeapUtilization:0.25 08-01 18:30:21.671: D/ActivityThread(10657): setTargetHeapIdealFree:8388608 08-01 18:30:21.671: D/ActivityThread(10657): setTargetHeapConcurrentStart:2097152 08-01 18:30:21.741: W/dalvikvm(10657): threadid=1: thread exiting with uncaught exception (group=0x40a9f390) 08-01 18:31:36.581: D/ActivityThread(10705): setTargetHeapUtilization:0.25 08-01 18:31:36.581: D/ActivityThread(10705): setTargetHeapIdealFree:8388608 08-01 18:31:36.591: D/ActivityThread(10705): setTargetHeapConcurrentStart:2097152 08-01 18:31:36.801: W/dalvikvm(10705): threadid=1: thread exiting with uncaught exception (group=0x40a9f390) 08-01 18:31:36.831: E/AndroidRuntime(10705): FATAL EXCEPTION: main 08-01 18:31:36.831: E/AndroidRuntime(10705): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.ajinkya.samplemapsdemo/com.ajinkya.samplemapsdemo.MainActivity}: android.view.InflateException: Binary XML file line #7: Error inflating class fragment 08-01 18:31:36.831: E/AndroidRuntime(10705): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1959) 08-01 18:31:36.831: E/AndroidRuntime(10705): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1984) 08-01 18:31:36.831: E/AndroidRuntime(10705): at android.app.ActivityThread.access$600(ActivityThread.java:126) 08-01 18:31:36.831: E/AndroidRuntime(10705): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1150) 08-01 18:31:36.831: E/AndroidRuntime(10705): at android.os.Handler.dispatchMessage(Handler.java:99) 08-01 18:31:36.831: E/AndroidRuntime(10705): at android.os.Looper.loop(Looper.java:137) 08-01 18:31:36.831: E/AndroidRuntime(10705): at android.app.ActivityThread.main(ActivityThread.java:4456) 08-01 18:31:36.831: E/AndroidRuntime(10705): at java.lang.reflect.Method.invokeNative(Native Method) 08-01 18:31:36.831: E/AndroidRuntime(10705): at java.lang.reflect.Method.invoke(Method.java:511) 08-01 18:31:36.831: E/AndroidRuntime(10705): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:787) 08-01 18:31:36.831: E/AndroidRuntime(10705): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:554) 08-01 18:31:36.831: E/AndroidRuntime(10705): at dalvik.system.NativeStart.main(Native Method) 08-01 18:31:36.831: E/AndroidRuntime(10705): Caused by: android.view.InflateException: Binary XML file line #7: Error inflating class fragment 08-01 18:31:36.831: E/AndroidRuntime(10705): at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:697) 08-01 18:31:36.831: E/AndroidRuntime(10705): at android.view.LayoutInflater.rInflate(LayoutInflater.java:739) 08-01 18:31:36.831: E/AndroidRuntime(10705): at android.view.LayoutInflater.inflate(LayoutInflater.java:489) 08-01 18:31:36.831: E/AndroidRuntime(10705): at android.view.LayoutInflater.inflate(LayoutInflater.java:396) 08-01 18:31:36.831: E/AndroidRuntime(10705): at android.view.LayoutInflater.inflate(LayoutInflater.java:352) 08-01 18:31:36.831: E/AndroidRuntime(10705): at com.android.internal.policy.impl.PhoneWindow.setContentView(PhoneWindow.java:251) 08-01 18:31:36.831: E/AndroidRuntime(10705): at android.app.Activity.setContentView(Activity.java:1835) 08-01 18:31:36.831: E/AndroidRuntime(10705): at com.ajinkya.samplemapsdemo.MainActivity.onCreate(MainActivity.java:15) 08-01 18:31:36.831: E/AndroidRuntime(10705): at android.app.Activity.performCreate(Activity.java:4465) 08-01 18:31:36.831: E/AndroidRuntime(10705): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1049) 08-01 18:31:36.831: E/AndroidRuntime(10705): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1923) 08-01 18:31:36.831: E/AndroidRuntime(10705): ... 11 more 08-01 18:31:36.831: E/AndroidRuntime(10705): Caused by: android.app.Fragment$InstantiationException: Unable to instantiate fragment com.google.android.gms.maps.MapFragment: make sure class name exists, is public, and has an empty constructor that is public 08-01 18:31:36.831: E/AndroidRuntime(10705): at android.app.Fragment.instantiate(Fragment.java:581) 08-01 18:31:36.831: E/AndroidRuntime(10705): at android.app.Fragment.instantiate(Fragment.java:549) 08-01 18:31:36.831: E/AndroidRuntime(10705): at android.app.Activity.onCreateView(Activity.java:4235) 08-01 18:31:36.831: E/AndroidRuntime(10705): at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:673) 08-01 18:31:36.831: E/AndroidRuntime(10705): ... 21 more 08-01 18:31:36.831: E/AndroidRuntime(10705): Caused by: java.lang.ClassNotFoundException: com.google.android.gms.maps.MapFragment 08-01 18:31:36.831: E/AndroidRuntime(10705): at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:61) 08-01 18:31:36.831: E/AndroidRuntime(10705): at java.lang.ClassLoader.loadClass(ClassLoader.java:501) 08-01 18:31:36.831: E/AndroidRuntime(10705): at java.lang.ClassLoader.loadClass(ClassLoader.java:461) 08-01 18:31:36.831: E/AndroidRuntime(10705): at android.app.Fragment.instantiate(Fragment.java:571) 08-01 18:31:36.831: E/AndroidRuntime(10705): ... 24 more </code></pre> <p>I believe that this line may be the root cause of all of the problems:</p> <pre><code>08-01 18:31:36.831: E/AndroidRuntime(10705): Caused by: android.app.Fragment$InstantiationException: Unable to instantiate fragment com.google.android.gms.maps.MapFragment: make sure class name exists, is public, and has an empty constructor that is public </code></pre> <p>Any help would be appreciated. </p>
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    1. USFlyk
    1. USAjinkya
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    1. COhave you referenced the google pla services library project. also have you enabled maps for android in google api console?
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      1. PORuntime Error in MapsDemo Activity
      1. USRaghunandan
    2. COi(Shift not working) obtained the key via google api console, so that key is enabled, but the thing is :::: How to reference the google play services library project ? Because i (Shift not working :D ) have installed the google play services through Android SDK
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      1. PORuntime Error in MapsDemo Activity
      1. USAjinkya
    3. COhttp://stackoverflow.com/questions/17611017/importing-google-play-service-library-showing-a-red-x-next-to-this-reference-and/17611095#17611095. fist reference the library project as suggestd in the link then goto the google api console and enable maps for android as suggested in the docs
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      1. USRaghunandan
 

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