我一直在尝试将地图添加到我的应用程序中，我已经按照Android开发人员HelloGoogleMaps教程的说明进行操作，但是当我运行maps选项时，我的地图只是强制关闭。我已经在清单
中获得了api密钥记录的权限 <?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.MappDemo.mymaps"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk android:minSdkVersion="7" />
<application
android:icon="@drawable/ic_launcher"
android:label="@string/app_name" android:debuggable="true" >
<activity
android:name=".MappingDemoActivity"
android:label="@string/app_name" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<uses-library android:name="com.google.android.maps" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<activity android:name=".ShowTheMap" android:label="Lat/Long Location"> </activity>
<activity android:name=".MapMe" android:label="Track Present Location"> </activity>
<uses-library android:name="com.google.android.maps" />
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
</application>
</manifest>
除了运行代码之外，有人可以告诉是否需要配置任何东西吗？
03-25 11:50:52.217: I/Process(687): Sending signal. PID: 687 SIG: 9
03-25 11:51:00.557: D/AndroidRuntime(729): Shutting down VM
03-25 11:51:00.567: W/dalvikvm(729): threadid=1: thread exiting with uncaught exception (group=0x40015560)
03-25 11:51:00.627: E/AndroidRuntime(729): FATAL EXCEPTION: main
03-25 11:51:00.627: E/AndroidRuntime(729): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.MappDemo.mymaps/com.MappDemo.mymaps.MappingDemoActivity}: java.lang.ClassCastException: com.MappDemo.mymaps.MappingDemoActivity
03-25 11:51:00.627: E/AndroidRuntime(729): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1647)
03-25 11:51:00.627: E/AndroidRuntime(729): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1663)
03-25 11:51:00.627: E/AndroidRuntime(729): at android.app.ActivityThread.access$1500(ActivityThread.java:117)
03-25 11:51:00.627: E/AndroidRuntime(729): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:931)
03-25 11:51:00.627: E/AndroidRuntime(729): at android.os.Handler.dispatchMessage(Handler.java:99)
03-25 11:51:00.627: E/AndroidRuntime(729): at android.os.Looper.loop(Looper.java:123)
03-25 11:51:00.627: E/AndroidRuntime(729): at android.app.ActivityThread.main(ActivityThread.java:3683)
03-25 11:51:00.627: E/AndroidRuntime(729): at java.lang.reflect.Method.invokeNative(Native Method)
03-25 11:51:00.627: E/AndroidRuntime(729): at java.lang.reflect.Method.invoke(Method.java:507)
03-25 11:51:00.627: E/AndroidRuntime(729): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:839)
03-25 11:51:00.627: E/AndroidRuntime(729): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:597)
03-25 11:51:00.627: E/AndroidRuntime(729): at dalvik.system.NativeStart.main(Native Method)
03-25 11:51:00.627: E/AndroidRuntime(729): Caused by: java.lang.ClassCastException: com.MappDemo.mymaps.MappingDemoActivity
03-25 11:51:00.627: E/AndroidRuntime(729): at com.MappDemo.mymaps.MappingDemoActivity.onCreate(MappingDemoActivity.java:19)
03-25 11:51:00.627: E/AndroidRuntime(729): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047)
03-25 11:51:00.627: E/AndroidRuntime(729): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1611)
03-25 11:51:00.627: E/AndroidRuntime(729): ... 11 more
03-25 11:51:10.013: I/Process(729): Sending signal. PID: 729 SIG: 9
03-25 11:52:16.817: D/AndroidRuntime(782): Shutting down VM
03-25 11:52:16.817: W/dalvikvm(782): threadid=1: thread exiting with uncaught exception (group=0x40015560)
03-25 11:52:16.877: E/AndroidRuntime(782): FATAL EXCEPTION: main
03-25 11:52:16.877: E/AndroidRuntime(782): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.MappDemo.mymaps/com.MappDemo.mymaps.MappingDemoActivity}: java.lang.ClassCastException: com.MappDemo.mymaps.MappingDemoActivity
03-25 11:52:16.877: E/AndroidRuntime(782): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1647)
03-25 11:52:16.877: E/AndroidRuntime(782): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1663)
03-25 11:52:16.877: E/AndroidRuntime(782): at android.app.ActivityThread.access$1500(ActivityThread.java:117)
03-25 11:52:16.877: E/AndroidRuntime(782): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:931)
03-25 11:52:16.877: E/AndroidRuntime(782): at android.os.Handler.dispatchMessage(Handler.java:99)
03-25 11:52:16.877: E/AndroidRuntime(782): at android.os.Looper.loop(Looper.java:123)
03-25 11:52:16.877: E/AndroidRuntime(782): at android.app.ActivityThread.main(ActivityThread.java:3683)
03-25 11:52:16.877: E/AndroidRuntime(782): at java.lang.reflect.Method.invokeNative(Native Method)
03-25 11:52:16.877: E/AndroidRuntime(782): at java.lang.reflect.Method.invoke(Method.java:507)
03-25 11:52:16.877: E/AndroidRuntime(782): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:839)
03-25 11:52:16.877: E/AndroidRuntime(782): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:597)
03-25 11:52:16.877: E/AndroidRuntime(782): at dalvik.system.NativeStart.main(Native Method)
03-25 11:52:16.877: E/AndroidRuntime(782): Caused by: java.lang.ClassCastException: com.MappDemo.mymaps.MappingDemoActivity
03-25 11:52:16.877: E/AndroidRuntime(782): at com.MappDemo.mymaps.MappingDemoActivity.onCreate(MappingDemoActivity.java:19)
03-25 11:52:16.877: E/AndroidRuntime(782): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047)
03-25 11:52:16.877: E/AndroidRuntime(782): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1611)
03-25 11:52:16.877: E/AndroidRuntime(782): ... 11 more
这是我在logcat中看到的... 这就是我在mappingDemoActivity.java中所拥有的
public class MappingDemoActivity extends Activity {
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
//add listners for all buttons
View firstbutton= findViewById(R.id.geocode_button);
firstbutton.setOnClickListener((OnClickListener) this);
View secondButton = findViewById(R.id.latlong_button);
secondButton.setOnClickListener((OnClickListener) this);
View thirdButton = findViewById(R.id.presentLocation_button);
thirdButton.setOnClickListener((OnClickListener) this);
}
public void onClick(View v)
{
switch(v.getId())
{
case R.id.geocode_button:
Log.i("Button","Button 1 pushed");
Intent j = new Intent(this, ShowTheMap.class);
startActivity(j);
break;
case R.id.latlong_button:
Log.i("Button","Button 2 pushed");
Intent k = new Intent(this, ShowTheMap.class);
startActivity(k);
break;
case R.id.presentLocation_button:
Log.i("Button","Button 3 pushed");
Intent m = new Intent(this, MapMe.class);
startActivity(m);
break;
}
}
答案 0 :(得分：0)
<uses-permission>代码必须是<manifest>的孩子，而不是<application>。
尝试更改<uses-permission>位置，它可以提供帮助。
答案 1 :(得分：0)
删除<intent-filter>
`<uses-library android:name="com.google.android.maps" />`
因为它已经在下面引用。
答案 2 :(得分：0)
查看SDK中包含的Google MapsDemo，我的路径是：
<强> C：\ Android的SDK \插件\插件-google_apis-google_inc_-10 \样品\ MapsDemo
我有一个非常恼人的问题（MapActivity crashes on some devices）只出现在某些（！）Android设备上，而且也没有出现在模拟器中。我做的是，删除工作演示，直到它类似于我的基本示例。然后事实证明，三星手机不接受不以 com。开头的包名，而其他设备（HTC Flyer）则这样做！但这不是您的问题，因为您使用的是 com。包名。
我可能会再想到一件事。你没有发布你的main.xml。如果您在MapView下使用嵌套的LinearLayout，这也会导致应用程序崩溃。在MapView之上它工作正常。所以万一你使用的是：
<LinearLayout ... >
<com.google.android.maps.MapView ... />
<LinearLayout ... >
<Button .../>
</LinearLayout>
</LinearLayout>
这可能会导致您的问题。这是可重现的，并且抛出完全相同的 java.lang.ClassCastException 错误。
还要确保你的＆lt; uses-permission＆gt; 和＆lt;正如之前所说的那样，在正确的位置使用库＆gt; 语句。第一个必须是＆lt;的直接孩子。清单＆gt; 节点。第二个必须是＆lt;的直接孩子。应用程序＆gt; 节点。
我希望这会对你有所帮助。我对这些东西感到很疯狂。
贝恩德