问题
I know this is a duplicate question, but solutions from previous post doesn't worked for me. Thats why am asking this question.
I am trying to implement Google Map V2 in Android App, I got below error
06-26 19:24:51.035: E/AndroidRuntime(7679): FATAL EXCEPTION: main
06-26 19:24:51.035: E/AndroidRuntime(7679): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.titutorial.mapdemo/com.titutorial.mapdemo.MainActivity}: android.view.InflateException: Binary XML file line #2: Error inflating class fragment
06-26 19:24:51.035: E/AndroidRuntime(7679): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2100)
06-26 19:24:51.035: E/AndroidRuntime(7679): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2125)
06-26 19:24:51.035: E/AndroidRuntime(7679): at android.app.ActivityThread.access$600(ActivityThread.java:140)
06-26 19:24:51.035: E/AndroidRuntime(7679): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1227)
06-26 19:24:51.035: E/AndroidRuntime(7679): at android.os.Handler.dispatchMessage(Handler.java:99)
06-26 19:24:51.035: E/AndroidRuntime(7679): at android.os.Looper.loop(Looper.java:137)
06-26 19:24:51.035: E/AndroidRuntime(7679): at android.app.ActivityThread.main(ActivityThread.java:4898)
06-26 19:24:51.035: E/AndroidRuntime(7679): at java.lang.reflect.Method.invokeNative(Native Method)
06-26 19:24:51.035: E/AndroidRuntime(7679): at java.lang.reflect.Method.invoke(Method.java:511)
06-26 19:24:51.035: E/AndroidRuntime(7679): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1006)
06-26 19:24:51.035: E/AndroidRuntime(7679): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:773)
06-26 19:24:51.035: E/AndroidRuntime(7679): at dalvik.system.NativeStart.main(Native Method)
06-26 19:24:51.035: E/AndroidRuntime(7679): Caused by: android.view.InflateException: Binary XML file line #2: Error inflating class fragment
06-26 19:24:51.035: E/AndroidRuntime(7679): at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:704)
06-26 19:24:51.035: E/AndroidRuntime(7679): at android.view.LayoutInflater.inflate(LayoutInflater.java:466)
06-26 19:24:51.035: E/AndroidRuntime(7679): at android.view.LayoutInflater.inflate(LayoutInflater.java:396)
06-26 19:24:51.035: E/AndroidRuntime(7679): at android.view.LayoutInflater.inflate(LayoutInflater.java:352)
06-26 19:24:51.035: E/AndroidRuntime(7679): at com.android.internal.policy.impl.PhoneWindow.setContentView(PhoneWindow.java:308)
06-26 19:24:51.035: E/AndroidRuntime(7679): at android.app.Activity.setContentView(Activity.java:1924)
06-26 19:24:51.035: E/AndroidRuntime(7679): at com.titutorial.mapdemo.MainActivity.onCreate(MainActivity.java:12)
06-26 19:24:51.035: E/AndroidRuntime(7679): at android.app.Activity.performCreate(Activity.java:5206)
06-26 19:24:51.035: E/AndroidRuntime(7679): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1083)
06-26 19:24:51.035: E/AndroidRuntime(7679): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2064)
06-26 19:24:51.035: E/AndroidRuntime(7679): ... 11 more
06-26 19:24:51.035: E/AndroidRuntime(7679): Caused by: android.app.Fragment$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
06-26 19:24:51.035: E/AndroidRuntime(7679): at android.app.Fragment.instantiate(Fragment.java:584)
06-26 19:24:51.035: E/AndroidRuntime(7679): at android.app.Fragment.instantiate(Fragment.java:552)
06-26 19:24:51.035: E/AndroidRuntime(7679): at android.app.Activity.onCreateView(Activity.java:4849)
06-26 19:24:51.035: E/AndroidRuntime(7679): at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:680)
06-26 19:24:51.035: E/AndroidRuntime(7679): ... 20 more
06-26 19:24:51.035: E/AndroidRuntime(7679): Caused by: java.lang.ClassNotFoundException: com.google.android.gms.maps.MapFragment
06-26 19:24:51.035: E/AndroidRuntime(7679): at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:61)
06-26 19:24:51.035: E/AndroidRuntime(7679): at java.lang.ClassLoader.loadClass(ClassLoader.java:501)
06-26 19:24:51.035: E/AndroidRuntime(7679): at java.lang.ClassLoader.loadClass(ClassLoader.java:461)
06-26 19:24:51.035: E/AndroidRuntime(7679): at android.app.Fragment.instantiate(Fragment.java:574)
06-26 19:24:51.035: E/AndroidRuntime(7679): ... 23 more
I followed below tutorial,
https://developers.google.com/maps/documentation/android/start#installing_the_google_maps_android_v2_api
I did below things
- Install Google Play services
- Created a new app in Google Console, and got Google Map API key
- Created new app in eclipse and added permission and Google Map API key in AndroidManifest.xml
- Added Google Play Services library to App
- Add a Map to the App (main.xml)
- Set targeted API level 17
in my main.xml
<?xml version="1.0" encoding="utf-8"?>
<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"/>
here is my complete source code https://github.com/railskarthi/MapDemo
回答1:
After API 11+, I think you now have have to replace your MapFragment by SupportMapFragment. It would be something like:
<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.SupportMapFragment"/>
Take a look here for further information. Let me know how are you going with.
回答2:
I have download your project from git and after checking i found that you have missed a line which is required to display map Fragment.
Replace your main activity code with the following code:-
public class MainActivity extends FragmentActivity {
private GoogleMap map;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
map = ((MapFragment) getFragmentManager().findFragmentById(R.id.map))
.getMap();
}
回答3:
This could happen also if you did not define API_KEY for google maps in your manifest file.
It looks like this:
`....
<meta-data
android:name="com.google.android.maps.v2.API_KEY"
android:value="<your key>" />
....`
Create your key in Google Developer Console
回答4:
Please add these line in your manifest file
<meta-data
android:name="com.google.android.gms.version"
android:value="@integer/google_play_services_version" />
<!-- Goolge API Key -->
<meta-data
android:name="com.google.android.maps.v2.API_KEY"
android:value="your Goolge API key" />
来源：https://stackoverflow.com/questions/17322567/error-inflating-class-fragment-android-map-v2