今天我尝试使用谷歌 Map api v2 for Android 2.3.3我的步骤:
-
从debug.keystore获取SHA1代码
-
在google apis控制台中创建一个新项目
-
注册一个新的id
-
启用谷歌 Map android api v2
-
使用输入SHA1创建一个android密钥; it.mappe(it.mappe是我的包)
-
获取API密钥
-
更新AndroidManifest文件:
<permission android:name="it.mappe.permission.MAPS_RECEIVE" android:protectionLevel="signature" />
<uses-permission android:name="it.mappe.permission.MAPS_RECEIVE" />
<uses-sdk android:minSdkVersion="10" android:targetSdkVersion="16" />
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
<uses-permission android:name="com.google.android.providers.gsf.permission.READ_GSERVICES"/>
<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" >
<meta-data
android:name="com.google.android.maps.v2.API_KEY"
android:value="MY_KEY" />
<activity
android:name="it.mappe.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>
</application>
- 我的主要活动
public class MainActivity extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
}
- 我的activity_main:
<fragment xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/map"
android:layout_width="match_parent"
android:layout_height="match_parent"
class="com.google.android.gms.maps.SupportMapFragment"/>
-
将目录
ANDROID_SDK_DIR/extras/google/google_play_services/libproject/google-play-services_lib
复制到项目的根目录 -
将
/extras/android/compatibility/v4/android-support-v4.jar
添加为外部jar -
将下一行添加到
YOUR_PROJECT/project.properties
android.library.reference.1=google-play-services_lib
当我在我的三星galaxy S(使用google play services apk)上运行它时,崩溃并且logcat显示此错误
E/AndroidRuntime(6435): FATAL EXCEPTION: main java.lang.RuntimeException: Unable to start activity ComponentInfo{it.mappe/it.mappe.MainActivity}:
android.view.InflateException: Binary XML file line #2: Error inflating class fragment
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1651)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1667)
at android.app.ActivityThread.access$1500(ActivityThread.java:117)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:935)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:123)
at android.app.ActivityThread.main(ActivityThread.java:3687)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:507)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:842)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:600)
at dalvik.system.NativeStart.main(Native Method)
Caused by: android.view.InflateException: Binary XML file line #2: Error inflating class fragment
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:581)
at android.view.LayoutInflater.inflate(LayoutInflater.java:386)
at android.view.LayoutInflater.inflate(LayoutInflater.java:320)
at android.view.LayoutInflater.inflate(LayoutInflater.java:276)
at com.android.internal.policy.impl.PhoneWindow.setContentView(PhoneWindow.java:209)
at android.app.Activity.setContentView(Activity.java:1657)
at it.mappe.MainActivity.onCreate(MainActivity.java:12)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1615)
... 11 more
Caused by: java.lang.ClassNotFoundException: android.view.fragment in loader dalvik.system.PathClassLoader[/data/app/it.mappe-2.apk]
at dalvik.system.PathClassLoader.findClass(PathClassLoader.java:240)
at java.lang.ClassLoader.loadClass(ClassLoader.java:551)
at java.lang.ClassLoader.loadClass(ClassLoader.java:511)
at android.view.LayoutInflater.createView(LayoutInflater.java:471)
at android.view.LayoutInflater.onCreateView(LayoutInflater.java:549)
at com.android.internal.policy.impl.PhoneLayoutInflater.onCreateView(PhoneLayoutInflater.java:66)
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:568)
... 19 more
一些建议?
编辑
这是我的main.xml:
<fragment xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/map"
android:layout_width="match_parent"
android:layout_height="match_parent"
class="com.google.android.gms.maps.SupportMapFragment"/>
2 回答
<fragment>
应全部小写 .此外,您正在使用
Activity
(不是FragmentActivity
)与SupportMapFragment
,我怀疑该组合是否有效 .检查project.properties中的目标Google SDK版本和支持lib(Android.jar)版本是否相同 .