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POGoogle Maps API V2 'Failed to Load Map. Could not contact Google Servers', Even I check permission and keystore
 

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  1. POGoogle Maps API V2 'Failed to Load Map. Could not contact Google Servers', Even I check permission and keystore
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    <p>I follow the <a href="https://developers.google.com/maps/documentation/android/start?hl=zh-CN">guide</a> to create a google map sample, </p> <p>but it always throw following error.</p> <pre><code>E/Google Maps Android API(27821): Failed to load map. Could not contact Google servers. </code></pre> <p>permission READ_GSERVICES and debug and release keystore have been tested. They also can't resolve above problem. Could anyone tell me why it throw that error?</p> <p>Manifest file:</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.where.common" android:versionCode="1" android:versionName="1.0" &gt; &lt;uses-sdk android:minSdkVersion="8" android:targetSdkVersion="16" /&gt; &lt;permission android:name="com.where.common.permission.MAPS_RECEIVE" android:protectionLevel="signature" /&gt; &lt;uses-permission android:name="com.where.common.permission.MAPS_RECEIVE" /&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.com.google.android.providers.gsf.permission.READ_GSERVICES" /&gt; &lt;uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" /&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-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;meta-data android:name="com.google.android.maps.v2.API_KEY" android:value="AIzaSyDawEkMP7gdiB4nOOkXcdUcxSAvm0kfCmI" /&gt; &lt;activity android:name="com.where.common.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;/application&gt; &lt;/manifest&gt; </code></pre> <p>Java file:</p> <pre><code>package com.where.common; 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.activity_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> <p>View file:</p> <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt; &lt;fragment xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/map" android:name="com.google.android.gms.maps.MapFragment" android:layout_width="match_parent" android:layout_height="match_parent" /&gt; </code></pre>
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