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POGoogle map application program crashes at the launch
 

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  1. POGoogle map application program crashes at the launch
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    <p>I have been trying to add a map to my application, I have followed instructions on the android developers HelloGoogleMaps tutorial but my map is just force closing when I run the maps option. I have obtained my api key logged permissions in manifest</p> <pre><code> &lt;?xml version="1.0" encoding="utf-8"?&gt; &lt;manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com.MappDemo.mymaps" android:versionCode="1" android:versionName="1.0" &gt; &lt;uses-sdk android:minSdkVersion="7" /&gt; &lt;application android:icon="@drawable/ic_launcher" android:label="@string/app_name" android:debuggable="true" &gt; &lt;activity android:name=".MappingDemoActivity" android:label="@string/app_name" &gt; &lt;intent-filter&gt; &lt;action android:name="android.intent.action.MAIN" /&gt; &lt;uses-library android:name="com.google.android.maps" /&gt; &lt;category android:name="android.intent.category.LAUNCHER" /&gt; &lt;/intent-filter&gt; &lt;/activity&gt; &lt;activity android:name=".ShowTheMap" android:label="Lat/Long Location"&gt; &lt;/activity&gt; &lt;activity android:name=".MapMe" android:label="Track Present Location"&gt; &lt;/activity&gt; &lt;uses-library android:name="com.google.android.maps" /&gt; &lt;uses-permission android:name="android.permission.INTERNET" /&gt; &lt;uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" /&gt; &lt;uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" /&gt; &lt;/application&gt; &lt;/manifest&gt; </code></pre> <p>Can some one tell if any thing needs to be configured in addition to run the code?</p> <pre><code>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 </code></pre> <p>this is what I can see in logcat.. this what I have in mappingDemoActivity.java</p> <pre><code>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; } } </code></pre>
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    1. COCan you add the exception that you are getting in the DDMS... So that we can get an idea on your issue.
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    2. COI have put the error .. Please let me know where am i actually going wrong??
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    3. COAre you using the Google API Simulator ?
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