I have try the code But i am facing from this exception:
Firstly thanks for the code:
And thanks in Advance:
Please give me the correct direction where i am wrong please help me.
My code is :
.java
package org.apache.sms;
import android.app.Activity;
import android.content.Context;
import android.location.Location;
import android.location.LocationListener;
import android.location.LocationManager;
import android.os.Bundle;
import android.view.View;
import android.widget.LinearLayout;
import android.widget.TextView;
import android.widget.LinearLayout.LayoutParams;
public class SMSApp extends Activity {
private TextView messageView;
public class WhereamiLocationListener implements LocationListener {
public void onLocationChanged(Location location) {
if (location != null) {
messageView.setText(location.toString());
}
}
public void onProviderDisabled(String provider) {
// TODO Auto-generated method stub
}
public void onProviderEnabled(String provider) {
// TODO Auto-generated method stub
}
public void onStatusChanged(String provider, int status, Bundle
extras) {
// TODO Auto-generated method stub
}
}
@Override
public void onResume() {
WhereamiLocationListener listener = new WhereamiLocationListener
();
LocationManager manager = (null);
getSystemService(Context.LOCATION_SERVICE);
long updateTimeMsec = 1000L;
manager.requestLocationUpdates
(LocationManager.GPS_PROVIDER,
updateTimeMsec, 500.0f,
listener);
manager.requestLocationUpdates
(LocationManager.NETWORK_PROVIDER,
updateTimeMsec, 500.0f,
listener);
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(makeContentView());
}
private View makeContentView() {
LinearLayout panel = new LinearLayout(this);
panel.setLayoutParams(new LayoutParams
(LayoutParams.WRAP_CONTENT,
LayoutParams.WRAP_CONTENT));
panel.setOrientation(LinearLayout.VERTICAL);
panel.addView(makeMessageView());
return panel;
}
private View makeMessageView() {
messageView = new TextView(this);
messageView.setText("Loading...");
return messageView;
}
private void updateWithNewLocation(Location location) {
String latLongString;
if (location != null) {
double lat = location.getLatitude();
double lng = location.getLongitude();
latLongString = "Lat: " + lat + "\nLng: " + lng;
} else {
latLongString = "No Location Found";
}
messageView.setText("Your Current Location is:\n" +
latLongString);
}
}
--------------------------------------------
*********************************-------------------------------
.manifest file
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android";
package="org.apache.sms"
android:versionCode="1"
android:versionName="1.0.0">
<application android:icon="@drawable/icon" android:label="@string/
app_name">
<activity android:name=".SMSApp"
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-permission android:name="android.permission.INTERNET"></uses-
permission>
<uses-permission
android:name="android.permission.ACCESS_COARSE_LOCATION" />
<uses-permission
android:name="android.permission.ACCESS_FINE_LOCATION" />
<uses-permission
android:name="android.permission.ACCESS_LOCATION"
/>
<uses-permission android:name="android.permission.ACCESS_GPS" /
>
</application>
</manifest>
--------------------------------------
***************-----------------------------------------------------------
Exception is:
Shutting down VM
05-21 18:38:25.280: WARN/dalvikvm(723): threadid=3: thread exiting
with uncaught exception (group=0x4000fe70)
05-21 18:38:25.290: ERROR/AndroidRuntime(723): Uncaught handler:
thread main exiting due to uncaught exception
05-21 18:38:25.341: ERROR/AndroidRuntime(723):
java.lang.RuntimeException: Unable to resume activity {org.apache.sms/
org.apache.sms.SMSApp}: java.lang.NullPointerException
05-21 18:38:25.341: ERROR/AndroidRuntime(723): at
android.app.ActivityThread.performResumeActivity(ActivityThread.java:
2632)
05-21 18:38:25.341: ERROR/AndroidRuntime(723): at
android.app.ActivityThread.handleResumeActivity(ActivityThread.java:
2647)
05-21 18:38:25.341: ERROR/AndroidRuntime(723): at
android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:
2287)
05-21 18:38:25.341: ERROR/AndroidRuntime(723): at
android.app.ActivityThread.access$1800(ActivityThread.java:112)
05-21 18:38:25.341: ERROR/AndroidRuntime(723): at
android.app.ActivityThread$H.handleMessage(ActivityThread.java:1692)
05-21 18:38:25.341: ERROR/AndroidRuntime(723): at
android.os.Handler.dispatchMessage(Handler.java:99)
05-21 18:38:25.341: ERROR/AndroidRuntime(723): at
android.os.Looper.loop(Looper.java:123)
05-21 18:38:25.341: ERROR/AndroidRuntime(723): at
android.app.ActivityThread.main(ActivityThread.java:3948)
05-21 18:38:25.341: ERROR/AndroidRuntime(723): at
java.lang.reflect.Method.invokeNative(Native Method)
05-21 18:38:25.341: ERROR/AndroidRuntime(723): at
java.lang.reflect.Method.invoke(Method.java:521)
05-21 18:38:25.341: ERROR/AndroidRuntime(723): at
com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run
(ZygoteInit.java:782)
05-21 18:38:25.341: ERROR/AndroidRuntime(723): at
com.android.internal.os.ZygoteInit.main(ZygoteInit.java:540)
05-21 18:38:25.341: ERROR/AndroidRuntime(723): at
dalvik.system.NativeStart.main(Native Method)
05-21 18:38:25.341: ERROR/AndroidRuntime(723): Caused by:
java.lang.NullPointerException
05-21 18:38:25.341: ERROR/AndroidRuntime(723): at
org.apache.sms.SMSApp.onResume(SMSApp.java:48)
05-21 18:38:25.341: ERROR/AndroidRuntime(723): at
android.app.Instrumentation.callActivityOnResume(Instrumentation.java:
1225)
05-21 18:38:25.341: ERROR/AndroidRuntime(723): at
android.app.Activity.performResume(Activity.java:3530)
05-21 18:38:25.341: ERROR/AndroidRuntime(723): at
android.app.ActivityThread.performResumeActivity(ActivityThread.java:
2619)
05-21 18:38:25.341: ERROR/AndroidRuntime(723): ... 12 more
05-21 18:38:25.392: INFO/Process(570): Sending signal. PID: 723 SIG: 3
05-21 18:38:25.392: INFO/dalvikvm(723): threadid=7: reacting to signal
3
05-21 18:38:25.461: INFO/dalvikvm(723): Wrote stack trace to '/data/
anr/traces.txt'
05-21 18:38:25.871: INFO/ARMAssembler(570): generated
scanline__00000077:03515104_00000000_00000000 [ 27 ipp] (41 ins) at
[0x2754f8:0x27559c] in 9999316 ns
05-21 18:38:33.834: WARN/ActivityManager(570): Launch timeout has
expired, giving up wake lock!
05-21 18:38:34.907: WARN/ActivityManager(570): Activity idle timeout
for HistoryRecord{43636d90 {org.apache.sms/org.apache.sms.SMSApp}}
05-21 18:38:40.090: DEBUG/dalvikvm(651): GC freed 2879 objects /
176856 bytes in 168ms
05-21 18:38:45.101: DEBUG/dalvikvm(611): GC freed 4190 objects /
235272 bytes in 178ms
05-21 18:38:50.191: DEBUG/dalvikvm(645): GC freed 1194 objects / 77416
bytes in 241ms
05-21 18:38:55.141: DEBUG/dalvikvm(678): GC freed 2704 objects /
155800 bytes in 184ms
05-21 18:39:00.411: DEBUG/dalvikvm(614): GC freed 2362 objects /
126768 bytes in 445ms
Thansk & Regards:
Gopal Bisht
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