因此,在对同一错误执行了大约15个不同的堆栈溢出问题之后,我还有另一个关于无法启动活动ComponentInfo的问题.
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.example.hauntingongrounds"
android:versionCode="1"
android:versionName="1.0" >
<permission
android:name="com.example.hauntingongrounds.permission.MAPS_RECEIVE"
android:protectionLevel="signature" />
<uses-permission android:name="com.example.hauntingongrounds.permission.MAPS_RECEIVE" />
<uses-sdk
android:minSdkVersion="12"
android:targetSdkVersion="18" />
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="com.google.android.providers.gsf.permission.READ_GSERVICES" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<!-- required to show current location -->
<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
<uses-feature
android:glEsversion="0x00020000"
android:required="true" />
<application
android:allowBackup="true"
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@style/AppTheme" >
<activity
android:name="com.example.hauntingongrounds.MainActivity"
android:label="@string/app_name" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<Meta-data
android:name="com.google.android.gms.version"
android:value="AIzaSyAI********************-EhL8Ys" />
</application>
</manifest>
以上是清单.以下是XML和主要活动.
import com.google.android.gms.maps.GoogleMap;
import com.google.android.gms.maps.MapFragment;
import com.google.android.gms.maps.SupportMapFragment;
import android.app.Activity;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentActivity;
import android.widget.Toast;
public class MainActivity extends FragmentActivity {
// Google Map
private GoogleMap googleMap;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
try {
// Loading map
initializeMap();
} catch (Exception e) {
e.printstacktrace();
}
}
/**
* function to load map. If map is not created it will create it for you
* */
private void initializeMap() {
if (googleMap == null) {
googleMap = ((SupportMapFragment) getSupportFragmentManager().findFragmentById(R.id.map)).getMap();
// check if map is created successfully or not
if (googleMap == null) {
Toast.makeText(getApplicationContext(),
"Sorry! unable to create maps", Toast.LENGTH_SHORT)
.show();
}
}
}
@Override
protected void onResume() {
super.onResume();
initializeMap();
}
}
XML文件
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent" >
<fragment
android:id="@+id/map"
class="com.google.android.gms.maps.SupportMapFragment"
android:layout_width="match_parent"
android:layout_height="match_parent"/>
</RelativeLayout>
最后是LogCat
11-24 14:30:44.293: E/AndroidRuntime(17980): FATAL EXCEPTION: main
11-24 14:30:44.293: E/AndroidRuntime(17980): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.hauntingongrounds/com.example.hauntingongrounds.MainActivity}: android.view.InflateException: Binary XML file line #6: Error inflating class fragment
11-24 14:30:44.293: E/AndroidRuntime(17980): at android.app.ActivityThread.performlaunchActivity(ActivityThread.java:2180)
11-24 14:30:44.293: E/AndroidRuntime(17980): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2230)
11-24 14:30:44.293: E/AndroidRuntime(17980): at android.app.ActivityThread.access$600(ActivityThread.java:141)
11-24 14:30:44.293: E/AndroidRuntime(17980): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1234)
11-24 14:30:44.293: E/AndroidRuntime(17980): at android.os.Handler.dispatchMessage(Handler.java:99)
11-24 14:30:44.293: E/AndroidRuntime(17980): at android.os.Looper.loop(Looper.java:137)
11-24 14:30:44.293: E/AndroidRuntime(17980): at android.app.ActivityThread.main(ActivityThread.java:5041)
11-24 14:30:44.293: E/AndroidRuntime(17980): at java.lang.reflect.Method.invokeNative(Native Method)
11-24 14:30:44.293: E/AndroidRuntime(17980): at java.lang.reflect.Method.invoke(Method.java:511)
11-24 14:30:44.293: E/AndroidRuntime(17980): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:793)
11-24 14:30:44.293: E/AndroidRuntime(17980): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:560)
11-24 14:30:44.293: E/AndroidRuntime(17980): at dalvik.system.NativeStart.main(Native Method)
11-24 14:30:44.293: E/AndroidRuntime(17980): Caused by: android.view.InflateException: Binary XML file line #6: Error inflating class fragment
11-24 14:30:44.293: E/AndroidRuntime(17980): at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:704)
11-24 14:30:44.293: E/AndroidRuntime(17980): at android.view.LayoutInflater.rInflate(LayoutInflater.java:746)
11-24 14:30:44.293: E/AndroidRuntime(17980): at android.view.LayoutInflater.inflate(LayoutInflater.java:489)
11-24 14:30:44.293: E/AndroidRuntime(17980): at android.view.LayoutInflater.inflate(LayoutInflater.java:396)
11-24 14:30:44.293: E/AndroidRuntime(17980): at android.view.LayoutInflater.inflate(LayoutInflater.java:352)
11-24 14:30:44.293: E/AndroidRuntime(17980): at com.android.internal.policy.impl.PhoneWindow.setContentView(PhoneWindow.java:270)
11-24 14:30:44.293: E/AndroidRuntime(17980): at android.app.Activity.setContentView(Activity.java:1881)
11-24 14:30:44.293: E/AndroidRuntime(17980): at com.example.hauntingongrounds.MainActivity.onCreate(MainActivity.java:21)
11-24 14:30:44.293: E/AndroidRuntime(17980): at android.app.Activity.performCreate(Activity.java:5104)
11-24 14:30:44.293: E/AndroidRuntime(17980): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1080)
11-24 14:30:44.293: E/AndroidRuntime(17980): at android.app.ActivityThread.performlaunchActivity(ActivityThread.java:2144)
11-24 14:30:44.293: E/AndroidRuntime(17980): ... 11 more
11-24 14:30:44.293: E/AndroidRuntime(17980): Caused by: java.lang.IllegalStateException: The Meta-data tag in your app's AndroidManifest.xml does not have the right value. Expected 4030500 but found 0. You must have the following declaration within the <application> element: <Meta-data android:name="com.google.android.gms.version" android:value="@integer/google_play_services_version" />
11-24 14:30:44.293: E/AndroidRuntime(17980): at com.google.android.gms.common.GooglePlayServicesUtil.n(UnkNown Source)
11-24 14:30:44.293: E/AndroidRuntime(17980): at com.google.android.gms.common.GooglePlayServicesUtil.isGooglePlayServicesAvailable(UnkNown Source)
11-24 14:30:44.293: E/AndroidRuntime(17980): at com.google.android.gms.maps.internal.q.v(UnkNown Source)
11-24 14:30:44.293: E/AndroidRuntime(17980): at com.google.android.gms.maps.internal.q.u(UnkNown Source)
11-24 14:30:44.293: E/AndroidRuntime(17980): at com.google.android.gms.maps.MapsInitializer.initialize(UnkNown Source)
11-24 14:30:44.293: E/AndroidRuntime(17980): at com.google.android.gms.maps.SupportMapFragment$b.cE(UnkNown Source)
11-24 14:30:44.293: E/AndroidRuntime(17980): at com.google.android.gms.maps.SupportMapFragment$b.a(UnkNown Source)
11-24 14:30:44.293: E/AndroidRuntime(17980): at com.google.android.gms.dynamic.a.a(UnkNown Source)
11-24 14:30:44.293: E/AndroidRuntime(17980): at com.google.android.gms.dynamic.a.onInflate(UnkNown Source)
11-24 14:30:44.293: E/AndroidRuntime(17980): at com.google.android.gms.maps.SupportMapFragment.onInflate(UnkNown Source)
11-24 14:30:44.293: E/AndroidRuntime(17980): at android.support.v4.app.FragmentActivity.onCreateView(FragmentActivity.java:290)
11-24 14:30:44.293: E/AndroidRuntime(17980): at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:676)
解决方法:
Caused by: java.lang.IllegalStateException: The Meta-data tag in your app’s AndroidManifest.xml does not have the right value. Expected 4030500 but found 0.
您需要在清单上添加此项
<Meta-data
android:name="com.google.android.gms.version"
android:value="@integer/google_play_services_version" />
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