Make sure to extend MapActivity and not merely Activity in the class
that uses the XML layout as its content view:
public class MyActivity extends MapActivity {
...
}
On Jul 10, 4:31 am, Mark Murphy <mmur...@commonsware.com> wrote:
> Victor Lin wrote:
> > <?xml version="1.0" encoding="utf-8"?>
> > <manifest xmlns:android="http://schemas.android.com/apk/res/android";
> > package="com.ez2learn.android.powergrid"
> > android:versionName="1.0" android:versionCode="4">
> > <application android:icon="@drawable/icon" android:label="@string/
> > app_name" android:description="@string/app_description">
> > <activity android:name=".PowerGrid"
> > android:label="@string/app_name">
> > <intent-filter>
> > <action android:name="android.intent.action.MAIN" />
> > <category
> > android:name="android.intent.category.LAUNCHER" />
> > </intent-filter>
> > </activity>
> > <uses-library android:name="com.google.android.maps"></uses-
> > library>
> > </application>
> > <uses-sdk android:minSdkVersion="3" />
>
> > <uses-permission android:name="android.permission.INTERNET"></uses-
> > permission>
> > </manifest>
>
> Try moving the <uses-library android:name="com.google.android.maps"> and
> <uses-sdk android:minSdkVersion="3" /> lines closer to the top of the
> file, so <uses-sdk> is the first child of <manifest> and <uses-library>
> is the first child of <application>. The Android XML parsing logic
> sometimes is position-dependent, and I usually see these at the tops of
> files, not the bottom.
>
> More generally, see if you can get any existing, known-to-work mapping
> examples running, then start to adjust your code to more closely match
> what is in the example.
>
> Also, is your AVD set for target 3 (-t 3)? If it is a target 2 AVD,
> there is no mapping library.
>
> --
> Mark Murphy (a Commons
> Guy)http://commonsware.com|http://twitter.com/commonsguy
>
> Looking for Android opportunities?http://wiki.andmob.org/hado
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