Android :: Gesture Library / Application Closes Unexpectedly

Dec 23, 2009

I am a brand new developer to Android. I wrote a pretty simple application that uses the gesture library. The application itself seems to run fine in the simulator. However, when I installed the application on my Google Dev Phone 1 (G1) last night, it doesn't seem to work. I've upgraded my G1 with the 1.6 image from the htc developer site. I see the first screen/activity for about a second and the application exits without and errors. Here is what my manifest looks like:

<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.blahblah" android:debuggable="true"
android:versionCode="1"
android:versionName="1.0">
<uses-sdk android:minSdkVersion="4" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.READ_CONTACTS">
</ uses-permission>
<uses-permission android:name="android.permission.CALL_PHONE">
</uses- permission>
<application android:icon="@drawable/icon" android:label="@string/ application_name"> <activity android:name="Gesture1Activity"
android:label="@string/application_name">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<activity android:name="Gesture2Activity"
android:label="@string/label_gesture_list" />
<activity android:name="Gesture3Activity"
android:label="@string/label_create_gesture" />
</application>
</manifest>

Here's the output for logcat:

D/AndroidRuntime(860): D/AndroidRuntime(860): >>>>>>>>>>>>>> AndroidRuntime START <<<<<<<<<<<<<< D/AndroidRuntime(860): CheckJNI is OFF D/AndroidRuntime(860): --- registering native functions --- I/jdwp (860): received file descriptor 20 from ADB D/ddm-heap(860): Got feature list request I/ActivityManager(101): Starting activity: Intent { flg=0x10000000 cmp=com.blahblah/.Gesture1Activity } D/AndroidRuntime(860): Shutting down VM D/dalvikvm(860): DestroyJavaVM waiting for non-daemon threads to exit E/AndroidRuntime(860): ERROR: thread attach failed D/dalvikvm(860): DestroyJavaVM shutting VM down D/dalvikvm(860): HeapWorker thread shutting down D/dalvikvm(860): HeapWorker thread has shut down D/jdwp (860): JDWP shutting down net... D/jdwp (860): +++ peer disconnected I/dalvikvm(860): Debugger has detached; object registry had 1 entries D/dalvikvm(860): VM cleaning up D/dalvikvm(860): LinearAlloc 0x0 used 677572 of 4194304 (16%) W/InputManagerService(101): Window already focused, ignoring focus gain of: com.android.internal.view.IInputMethodClient$Stub $Proxy@439a9eb8

Android :: Gesture Library / Application closes unexpectedly


Android :: Trying To Display Image / Closes Application Unexpectedly

Mar 31, 2010

I am trying to display the image on the ImageView object. But the setImageResource fails to display the image. Here is my XML file looks like:

<?xml version=*"1.0"* encoding=*"utf-8"*?>
<LinearLayout xmlns:android=*"http://schemas.android.com/apk/res/android" *
android:orientation=*"vertical" *
android:layout_width=*"fill_parent" *
android:layout_height=*"fill_parent"*>
<FrameLayout
android:orientation=*"vertical" *
android:layout_width=*"fill_parent" *
android:layout_height=*"fill_parent" *
android:layout_weight=*"1"*>
<ImageView
id=*"@+id/batteryLevelview"*
android:layout_width=*"wrap_content"*
android:layout_height=*"wrap_content"*
android:layout_gravity=*"center"*/>
</FrameLayout>
</LinearLayout>

Here is my code:
@Override
*public* *void* onCreate(Bundle savedInstanceState) {
*super*.onCreate(savedInstanceState);
setContentView(R.layout.*main*);
ImageView batteryLevelImage = (ImageView) findViewById(R.id.* batteryLevelview*);
batteryLevelImage.setImageResource(R.drawable.*notconnected*);
}

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Android :: Gesture Recognition Library

Apr 11, 2009

I had developed a simple gesture recognition library for Android (not for accelerometer; I mean touchscreen - finger gestures). I had to abandon it for quite a while, but recently I was able to clean it a bit and port it to 1.0 SDK. It is released under GPL. Here are some sample videos:

http://www.youtube.com/watch?v=C7A6OHWfSOE [url]

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HTC Hero :: Syncing Stopped Unexpectedly And Force Closes

Jan 14, 2010

This isn't a compatibility issue. Okay so when I first installed HTC sync it was fine. I used it to install the latest ROM from T-mobile. I haven't used it since seeing as I didn't really have any need to. But today I though I may as well try it. So I turn my phone on. Plug it in. Drag down the notify bar. HTC sync. Sync now.

Pop-up on my computer says syncing calendar. Then it stops after 2 items. I look at my phone and it says HTC sync stop unexpectedly and I had to force close it. So I go into setting and try using HTC sync from there. But then my computer tells me the connection to my phone has times out. So, I restart my phone this time I get to 4 items. But the same thing happens.

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Android :: New Gesture Recognition Application

Apr 30, 2009

http://android-wydiwyg.blogspot.com/

Me and some of my friends have made a gesture recognition application for android. It allows you to customize gestures that will call, text, or email one of your contacts or launch an application. Please check out our blog and demonstration video and comment to let us know what you think.

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Android :: How To Get Gesture View Like Facebook Application?

May 1, 2010

I want to implement the same behavior of the notification view in the official Facebook app.
The "notifications" tab are at the bottom and can drag/drop via fingers to full screen. How can I do that? I've tried it via ViewFlipper and Animation. But no success. The app "Zedge" has the same in the "search" function. Via drag/drop you can open the "search" view.

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Android :: Triggering An Application On A Special Gesture / Event?

Aug 31, 2009

The App I'm trying to work on requires that when a special combination of keys are pressed ( irrespective of the keypad being locked ) a service / app is triggered.

How can I achieve this? My app's whole idea hinges on this particular part to work.

I am not here to take a "no" for an answer. If you are going to tell me that its not possible, atleast include an explanation as to why its not possible.

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Android :: Application Has Stopped Unexpectedly

Jul 18, 2010

I have built a game. When the user clicks a button on the main page, he is redirected to another activity for a predefined time(say 20 s) and then he returns to the main page where he can choose another button. Now, this works perfectly on the emulator but on the phone when I clicks another button on the main page, it says the application has stopped unexpectedly. Force close. However, if I wait for say 3 s before clicking another button, it works. Is it because the images on the background of the buttons are too heavy?

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Android :: Application Stopped Unexpectedly At Launch

Mar 20, 2010

I've run this on a device and on the emulator. The app stops unexpectedly on both. I have not a clue what is wrong currently. It uses Google API Maps I compiled with Google Api 7. I followed this tutorial:
http://developer.android.com/guide/tutorials/views/hello-mapview.html
I did use the correct API Key That the final apk is signed with. This is the source(If you compile it shouldn't work as it is unsigned). This is the compiled signed apk

Log
03-21 00:30:38.912: INFO/ActivityManager(54): Starting activity: Intent { act=android.intent.action.MAIN flg=0x10000000 cmp=com.chris.stryker.worldly/.com.poppoob.WorldlyMap }
03-21 00:30:39.173: INFO/ActivityManager(54): Start proc com.chris.stryker.worldly for activity com.chris.stryker.worldly/.com.poppoob.WorldlyMap: pid=287 uid=10031 gids={3003, 1015}
03-21 00:30:39.532: DEBUG/ddm-heap(287): Got feature list request
03-21 00:30:40.185: WARN/dalvikvm(287): Unable to resolve superclass of Lcom/chris/stryker/worldly/com/poppoob/WorldlyMap; (17)
03-21 00:30:40.193: WARN/dalvikvm(287): Link of class 'Lcom/chris/stryker/worldly/com/poppoob/WorldlyMap;' failed
03-21 00:30:40.205: DEBUG/AndroidRuntime(287): Shutting down VM
03-21 00:30:40.223: WARN/dalvikvm(287): threadid=3: thread exiting with uncaught exception (group=0x4001b188)
03-21 00:30:40.223: ERROR/AndroidRuntime(287): Uncaught handler: thread main exiting due to uncaught exception
03-21 00:30:40.252: ERROR/AndroidRuntime(287): java.lang.RuntimeException: Unable to instantiate activity ComponentInfo{com.chris.stryker.worldly/com.chris.stryker.worldly.com.poppoob.WorldlyMap}: java.lang.ClassNotFoundException: com.chris.stryker.worldly.com.poppoob.WorldlyMap in loader dalvik.system.PathClassLoader@45a13938
03-21 00:30:40.252: ERROR/AndroidRuntime(287):
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2417)
03-21 00:30:40.252: ERROR/AndroidRuntime(287):
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2512)
03-21 00:30:40.252: ERROR/AndroidRuntime(287):
at android.app.ActivityThread.access$2200(ActivityThread.java:119)
03-21 00:30:40.252: ERROR/AndroidRuntime(287):
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1863)
03-21 00:30:40.252: ERROR/AndroidRuntime(287):
at android.os.Handler.dispatchMessage(Handler.java:99)
03-21 00:30:40.252: ERROR/AndroidRuntime(287):
at android.os.Looper.loop(Looper.java:123)
03-21 00:30:40.252: ERROR/AndroidRuntime(287):
at android.app.ActivityThread.main(ActivityThread.java:4363)
03-21 00:30:40.252: ERROR/AndroidRuntime(287):
at java.lang.reflect.Method.invokeNative(Native Method)
03-21 00:30:40.252: ERROR/AndroidRuntime(287):
at java.lang.reflect.Method.invoke(Method.java:521)
03-21 00:30:40.252: ERROR/AndroidRuntime(287):
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:860)
03-21 00:30:40.252: ERROR/AndroidRuntime(287):
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:618)
03-21 00:30:40.252: ERROR/AndroidRuntime(287):
at dalvik.system.NativeStart.main(Native Method)
03-21 00:30:40.252: ERROR/AndroidRuntime(287): Caused by: java.lang.ClassNotFoundException: com.chris.stryker.worldly.com.poppoob.WorldlyMap in loader dalvik.system.PathClassLoader@45a13938
03-21 00:30:40.252: ERROR/AndroidRuntime(287):
at dalvik.system.PathClassLoader.findClass(PathClassLoader.java:243)
03-21 00:30:40.252: ERROR/AndroidRuntime(287):
at java.lang.ClassLoader.loadClass(ClassLoader.java:573)
03-21 00:30:40.252: ERROR/AndroidRuntime(287):
at java.lang.ClassLoader.loadClass(ClassLoader.java:532)
03-21 00:30:40.252: ERROR/AndroidRuntime(287):
at android.app.Instrumentation.newActivity(Instrumentation.java:1021)
03-21 00:30:40.252: ERROR/AndroidRuntime(287):
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2409)
03-21 00:30:40.252: ERROR/AndroidRuntime(287): ... 11 more
03-21 00:30:40.300: INFO/Process(54): Sending signal. PID: 287 SIG: 3
03-21 00:30:40.312: INFO/dalvikvm(287): threadid=7: reacting to signal 3
03-21 00:30:40.396: INFO/dalvikvm(287): Wrote stack trace to '/data/anr/traces.txt'
03-21 00:30:49.002: WARN/ActivityManager(54): Launch timeout has expired, giving up wake lock!
03-21 00:30:49.685: WARN/ActivityManager(54): Activity idle timeout for HistoryRecord{458ab6d0 com.chris.stryker.worldly/.com.poppoob.WorldlyMap}

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Android :: Application Process Has Stopped Unexpectedly

Apr 22, 2009

For some reason I can't explain, when my app runs, I will on occasion get the following error message: "The application xxxxxxxx (process xxxxxx) has stopped unexpectedly. Please try again". When I debug my code, it seems to break at random places that doesn't make sense. On top of that I tried to surround the entire code with a try/catch block just to try to catch the exception, but it doesn't work either. I'm suspecting it's the OS that is producing this error message but I don't know why. As far as my code goes, if there were exceptions caused by it, it would've been caught by the try/catch block. Can someone shed some light here?

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Android :: Sample Code / Application Stopped Unexpectedly

Nov 8, 2009

The code seems no problem when I run it, but it stop unexpectedly in the emulator. I read some answer in the forum, It has to look at the logcat to see about the exception handler. But I do not really understand the logcat output. Please, developers, help me!. Below are the coding and my logcat output.

package com.example.testing; import android.app.Activity; import android.media.MediaPlayer; import android.os.Bundle; import android.util.Log; import android.widget.TextView; import android.widget.Toast; import com.example.testing.R;
public class testing extends Activity {
private static final String TAG = "MediaPlayerDemo";
private MediaPlayer mMediaPlayer;
private static final String MEDIA = "media";
private static final int LOCAL_AUDIO = 1;
private static final int STREAM_AUDIO = 2;
private static final int RESOURCES_AUDIO = 3;
private static final int LOCAL_VIDEO = 4;
private static final int STREAM_VIDEO = 5;
private String path;
private TextView tx;
@Override public void onCreate(Bundle icicle) {super.onCreate(icicle);
tx = new TextView(this);setContentView(tx);Bundle extras = getIntent().getExtras()
playAudio(extras.getInt(MEDIA));}
private void playAudio(Integer media)
{try {switch (media){case LOCAL_AUDIO:/**
* TODO: Set the path variable to a local audio file path.*/path = "/res/raw/test1";
if (path == "") {// Tell the user to provide an audio file URL.Toast.makeText(testing.this
"Please edit MediaPlayer_Audio Activity, "
+ "and set the path variable to your audio file path."
+ " Your audio file must be stored on sdcard.",Toast.LENGTH_LONG).show(); }
mMediaPlayer = new MediaPlayer();
mMediaPlayer.setDataSource(path);
mMediaPlayer.prepare();
mMediaPlayer.start();
break;case RESOURCES_AUDIO:/**
* TODO: Upload a audio file to res/raw folder and provide
* its resid in MediaPlayer.create() method.*/
mMediaPlayer = MediaPlayer.create(this, R.raw.test1);
mMediaPlayer.start();}
tx.setText("Playing audio...");}
catch (Exception e) {Log.e(TAG, "error: " + e.getMessage(), e);}}
@Override protected void onDestroy() {super.onDestroy();
// TODO Auto-generated method stub if (mMediaPlayer != null) { mMediaPlayer.release();mMediaPlayer = null;}}}

LOGCAT OUTPUT 11-08 06:40:03.647: INFO/DEBUG(539): debuggerd: Jun 30 2009 17:00:51 11-08 06:40:03.659: INFO/vold(538): Android Volume Daemon version 2.0 11-08 06:40:03.678: ERROR/vold(538): Error opening switch name path '/ sys/class/switch/test2' (No such file or directory) 11-08 06:40:03.678: ERROR/vold(538): Error bootstrapping switch '/sys/ class/switch/test2' (m) 11-08 06:40:03.678: ERROR/vold(538): Error opening switch name path '/ sys/class/switch/test' (No such file or directory) 11-08 06:40:03.678: ERROR/vold(538): Error bootstrapping switch '/sys/ class/switch/test' (m) 11-08 06:40:03.678: DEBUG/vold(538): Bootstrapping complete 11-08 06:40:03.817: ERROR/flash_image(544): can't find recovery partition 11-08 06:40:03.918: DEBUG/qemud(546): entering main loop 11-08 06:40:04.588: DEBUG/AndroidRuntime(541): >>>>>>>>>>>>>> AndroidRuntime START <<<<<<<<<<<<<< 11-08 06:40:04.588: DEBUG/AndroidRuntime(541): CheckJNI is ON 11-08 06:40:04.828: DEBUG/qemud(546): fdhandler_accept_event: accepting on fd 10 11-08 06:40:04.828: DEBUG/qemud(546): created client 0xe078 listening on fd 8 11-08 06:40:04.828: DEBUG/qemud(546): fdhandler_event: disconnect on fd 8 11-08 06:40:04.877: DEBUG/qemud(546): fdhandler_accept_event: accepting on fd 10 11-08 06:40:04.877: DEBUG/qemud(546): created client 0xf028 listening on fd 8 11-08 06:40:04.877: DEBUG/qemud(546): client_fd_receive: attempting registration for service 'gsm' 11-08 06:40:04.877: DEBUG/qemud(546): client_fd_receive: -> received channel id 1 11-08 06:40:04.887: DEBUG/qemud(546): client_registration: registration succeeded for client 1 11-08 06:40:05.108: INFO/(542): ServiceManager: 0xac38 11-08 06:40:05.127: INFO/AudioFlinger(542): AudioFlinger's thread ready to run for output 0 11-08 06:40:05.147: INFO/CameraService(542): CameraService started: pid=542 11-08 06:40:05.207: DEBUG/AndroidRuntime(541): --- registering native functions --- 11-08 06:40:05.528: INFO/Zygote(541): Preloading classes... 11-08 06:40:05.538: DEBUG/dalvikvm(541): GC freed 764 objects / 42216 bytes in 10ms 11-08 06:40:05.717: DEBUG/dalvikvm(541): GC freed 278 objects / 17160 bytes in 4ms 11-08 06:40:05.897: DEBUG/dalvikvm(541): GC freed 208 objects / 12696 bytes in 5ms 11-08 06:40:05.967: DEBUG/dalvikvm(541): Trying to load lib /system/ lib/libmedia_jni.so 0x0 11-08 06:40:06.107: DEBUG/dalvikvm(541): Added shared lib /system/lib/ libmedia_jni.so 0x0 11-08 06:40:06.107: DEBUG/dalvikvm(541): Trying to load lib /system/ lib/libmedia_jni.so 0x0 11-08 06:40:06.107: DEBUG/dalvikvm(541): Shared lib '/system/lib/ libmedia_jni.so' already loaded in same CL 0x0 11-08 06:40:06.107: DEBUG/dalvikvm(541): Trying to load lib /system/ lib/libmedia_jni.so 0x0 11-08 06:40:06.107: DEBUG/dalvikvm(541): Shared lib '/system/lib/ libmedia_jni.so' already loaded in same CL 0x0 11-08 06:40:06.107: DEBUG/dalvikvm(541): Trying to load lib /system/ lib/libmedia_jni.so 0x0 11-08 06:40:06.107: DEBUG/dalvikvm(541): Shared lib '/system/lib/ libmedia_jni.so' already loaded in same CL 0x0 11-08 06:40:06.119: DEBUG/dalvikvm(541): GC freed 462 objects / 29144 bytes in 6ms 11-08 06:40:06.527: DEBUG/dalvikvm(541): GC freed 3584 objects / 171648 bytes in 17ms 11-08 06:40:07.699: DEBUG/dalvikvm(541): GC freed 11329 objects / 400856 bytes in 27ms 11-08 06:40:08.007: DEBUG/dalvikvm(541): GC freed 10472 objects / 438272 bytes in 28ms 11-08 06:40:08.327: DEBUG/dalvikvm(541): GC freed 10975 objects / 459800 bytes in 33ms 11-08 06:40:09.327: DEBUG/dalvikvm(541): GC freed 14372 objects / 506896 bytes in 36ms 11-08 06:40:09.658: DEBUG/dalvikvm(541): GC freed 11314 objects / 481360 bytes in 36ms 11-08 06:40:09.847: DEBUG/dalvikvm(541): GC freed 5928 objects / 248640 bytes in 30ms 11-08 06:40:10.027: DEBUG/dalvikvm(541): GC freed 349 objects / 37032 bytes in 24ms 11-08 06:40:10.228: DEBUG/dalvikvm(541): GC freed 778 objects / 48376 bytes in 33ms 11-08 06:40:10.327: DEBUG/dalvikvm(541): GC freed 321 objects / 37288 bytes in 34ms 11-08 06:40:10.757: DEBUG/dalvikvm(541): GC freed 477 objects / 29584 bytes in 34ms 11-08 06:40:10.788: DEBUG/dalvikvm(541): Trying to load lib /system/ lib/libwebcore.so 0x0 11-08 06:40:10.869: DEBUG/dalvikvm(541): Added shared lib /system/lib/ libwebcore.so 0x0 11-08 06:40:11.048: DEBUG/dalvikvm(541): GC freed 441 objects / 26224 bytes in 35ms 11-08 06:40:11.147: DEBUG/dalvikvm(541): GC freed 506 objects / 41464 bytes in 33ms 11-08 06:40:11.248: DEBUG/dalvikvm(541): GC freed 537 objects / 38832 bytes in 38ms 11-08 06:40:11.368: DEBUG/dalvikvm(541): GC freed 342 objects / 22552 bytes in 35ms 11-08 06:40:11.457: DEBUG/dalvikvm(541): GC freed 338 objects / 18736 bytes in 38ms 11-08 06:40:11.567: DEBUG/dalvikvm(541): GC freed 629 objects / 32136 bytes in 36ms 11-08 06:40:12.518: DEBUG/dalvikvm(541): GC freed 14257 objects / 497280 bytes in 57ms 11-08 06:40:12.868: DEBUG/dalvikvm(541): GC freed 11164 objects / 469576 bytes in 53ms 11-08 06:40:13.188: DEBUG/dalvikvm(541): GC freed 7134 objects / 311424 bytes in 55ms 11-08 06:40:13.357: DEBUG/dalvikvm(541): GC freed 752 objects / 43224 bytes in 41ms 11-08 06:40:13.449: DEBUG/dalvikvm(541): GC freed 598 objects / 31496 bytes in 43ms 11-08 06:40:13.558: DEBUG/dalvikvm(541): GC freed 413 objects / 26336 bytes in 43ms 11-08 06:40:13.597: INFO/Zygote(541): ...preloaded 1166 classes in 8066ms. 11-08 06:40:13.648: DEBUG/dalvikvm(541): GC freed 313 objects / 19952 bytes in 46ms 11-08 06:40:13.648: INFO/Zygote(541): Preloading resources... 11-08 06:40:13.707: DEBUG/dalvikvm(541): GC freed 54 objects / 11248 bytes in 43ms 11-08 06:40:14.118: DEBUG/dalvikvm(541): GC freed 337 objects / 15008 bytes in 46ms 11-08 06:40:14.338: DEBUG/dalvikvm(541): GC freed 280 objects / 11768 bytes in 44ms 11-08 06:40:14.368: INFO/Zygote(541): ...preloaded 48 resources in 712ms. 11-08 06:40:14.397: INFO/Zygote(541): ...preloaded 15 resources in 23ms. 11-08 06:40:14.448: DEBUG/dalvikvm(541): GC freed 117 objects / 8448 bytes in 50ms 11-08 06:40:14.498: DEBUG/dalvikvm(541): GC freed 205 objects / 8104 bytes in 45ms 11-08 06:40:14.557: DEBUG/dalvikvm(541): GC freed 36 objects / 1400 bytes in 53ms 11-08 06:40:14.567: INFO/dalvikvm(541): Splitting out new zygote heap 11-08 06:40:14.588: INFO/dalvikvm(541): System server process 569 has been created 11-08 06:40:14.597: INFO/Zygote(541): Accepting command socket connections 11-08 06:40:14.651: INFO/jdwp(569): received file descriptor 10 from ADB 11-08 06:40:14.727: WARN/System.err(569): Can't dispatch DDM chunk 4d505251: no handler...
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Android :: Application Stopped Unexpectedly On Phone But Not On Simulator

Mar 8, 2010

I have an MapView app downloaded from Internet, when I tested it on the simulator, everything is fine, but when I installed it on my phone, the app stopped unexpectedly. Here is the code

public class CurrentLocationWithMap extends MapActivity {
MapView map;
MapController ctrlMap;
Button inBtn;
Button outBtn;
ToggleButton switchMap;
@Override protected boolean isRouteDisplayed() { return false;
} @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState);
setContentView(R.layout.main);
map = (MapView)findViewById(R.id.myMapView);
List<Overlay> overlays = map.getOverlays();
MyLocationOverlay myLocation = new MyLocationOverlay(this,map);
myLocation.enableMyLocation();
overlays.add(myLocation);
ctrlMap = map.getController();
inBtn = (Button)findViewById(R.id.in);
outBtn = (Button)findViewById(R.id.out);
switchMap = (ToggleButton)findViewById(R.id.switchMap);
OnClickListener listener = new OnClickListener() {
@Override public void onClick(View v) { switch (v.getId()) { case R.id.in: ctrlMap.zoomIn();
break; case R.id.out: ctrlMap.zoomOut();
break; default: break; } } };
inBtn.setOnClickListener(listener);
outBtn.setOnClickListener(listener);
//switchMap.setOnCheckedChangeListener(new OnCheckedChangeListener() {
@Override public void onCheckedChanged(CompoundButton cBtn, boolean isChecked) {
if (isChecked == true) { map.setSatellite(true);
} else { map.setSatellite(false); } } });
LocationManager locationManager;
String context = Context.LOCATION_SERVICE;
locationManager = (LocationManager)getSystemService(context);
//String provider = LocationManager.GPS_PROVIDER;
Criteria criteria = new Criteria();
criteria.setAccuracy(Criteria.ACCURACY_FINE);
criteria.setAltitudeRequired(false);
criteria.setBearingRequired(false);
criteria.setCostAllowed(true);
criteria.setPowerRequirement(Criteria.POWER_LOW);
String provider = locationManager.getBestProvider(criteria, true);
Location location = locationManager.getLastKnownLocation(provider);
updateWithNewLocation(location);
locationManager.requestLocationUpdates(provider, 2000, 10, locationListener);
} private final LocationListener locationListener = new LocationListener() {
public void onLocationChanged(Location location) { updateWithNewLocation(location);
} public void onProviderDisabled(String provider){ updateWithNewLocation(null);
} public void onProviderEnabled(String provider){ } public void onStatusChanged(String provider, int status, Bundle extras){ } };
private void updateWithNewLocation(Location location) { String latLongString;
TextView myLocationText;
myLocationText = (TextView)findViewById(R.id.myLocationText);
if (location != null) { double lat = location.getLatitude();
double lng = location.getLongitude();
latLongString = "Latitude:" + lat + " Longtitude:" + lng;
ctrlMap.animateTo(new GeoPoint((int)(lat*1E6),(int) (lng*1E6)));
} else { latLongString = "Position not found";
} myLocationText.setText("Current location: " + latLongString);
} }

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Android :: Application CFConverter Force Closes

Sep 12, 2010

I am new to android development and I have made this using help from a website. The XML files dont have any errors,Here is my Main java code: package com.CFConverter;

import android.app.Activity; import android.app.AlertDialog; import android.content.DialogInterface; import android.os.Bundle; import android.os.Message; import android.view.View; import android.view.View.OnClickListener; import android.widget.EditText; import android.widget.RadioButton; import android.widget.Toast;

public class CFConverter extends Activity {
/** Called when the activity is first created. */ private EditText text;
@Override public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
text = (EditText) findViewById(R.id.EditText01);
} //This Handler is called when we click the button01.
public void myClickHandler(View view) //passing the current view {
if(view.getId()== R.id.Button01) {
RadioButton celsiusButton = (RadioButton)findViewById(R.id.RadioButton01);
RadioButton farhrenheitButton = (RadioButton)findViewById(R.id.RadioButton02);
if(text.getText().length()==0) { Toast.makeText(this, "Please Enter a Valid Number", Toast.LENGTH_LONG);
return; } float inputValue = Float.parseFloat(text.getText().toString());
if(celsiusButton.isChecked()) { text.setText(String.valueOf(convertCToF(inputValue)));
// calling function to convert } else {
text.setText(String.valueOf(convertFToC(inputValue)));
} return; } } private float convertCToF(float fahrenheit) {
return ((fahrenheit - 32) * 5 / 9);
} private float convertFToC(float celsius) {
return ((celsius * 9) / 5) + 32;
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My code is like this ...

CODE:.........................

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CODE:........

main.xml

CODE:............

AndroidManifest.xml

CODE:.................

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package com.android.khushi.Googlemaps import java.util.List;
import com.google.android.maps.GeoPoint;
import com.google.android.maps.MapActivity;
import com.google.android.maps.MapController;
import com.google.android.maps.MapView;
import com.google.android.maps.Overlay;
import com.google.android.maps.MapView.LayoutParams;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Canvas; import android.graphics.Point;
import android.os.Bundle; import android.view.View;
import android.widget.LinearLayout;
public class MapsActivity extends MapActivity {
MapView mapView;
MapController mc;
GeoPoint p;
class MapOverlay extends com.google.android.maps.Overlay {
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@Override
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// TODO Auto-generated method stub
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Sep 3, 2010

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