I have tried putting a spinner in an app, both from books and several online tutorials, and it keeps locking up. It seems like my emulator doesn't like when I set the adapter the the array list. I even made a test project just to try the spinner itself, but to no avail. I'm doing the same code that others say work, but it doesn't for me. Any ideas?
Here's the main XML: <?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" > <TextView android:id="@+id/test_result" android:layout_width="fill_parent" android:layout_height="wrap_content" android:text="@string/hello" /> <Spinner android:id="@+id/spin" android:layout_width="fill_parent" android:layout_height="wrap_content" android:drawSelectorOnTop="true" /> </LinearLayout> ...the code: import java.util.ArrayList; import java.util.List; import android.app.Activity; import android.os.Bundle; import android.util.Log; import android.widget.ArrayAdapter; import android.widget.Spinner; import android.widget.TextView; public class SpinTest extends Activity { TextView testResult; private List<String> allUnits; Spinner spin; ArrayAdapter <String> adapter; private String[] units = { "Carrier", "Battle ship", "Cruiser", "Destroyer", "Frigate", "Submarine", "Boomer" }; /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); testResult = (TextView)findViewById(R.id.test_result); Log.d("onCreate", "testResult id found"); spin =(Spinner)findViewById(R.id.spin); Log.d("onCreate", "spinner id found"); allUnits = new ArrayList<String>(); for(String s: units ){ allUnits.add(s); } Log.d("onCreate", "arraylist created"); adapter = new ArrayAdapter <String> (this, android.R.layout.simple_spinner_item, allUnits); Log.d("onCreate","new adapter made"); adapter.setDropDownViewResource (android.R.layout.simple_spinner_dropdown_item); Log.d("onCreate", "adapter layout set"); spin.setAdapter(adapter); Log.d("onCreate", "spinner adapter set"); setContentView(R.layout.main); } } ...and finally, the last portion of the log: 01-09 12:17:15.376: WARN/ActivityThread(176): Application com.mylib.SpinTest is waiting for the debugger on port 8100... 01-09 12:17:15.384: INFO/System.out(176): Sending WAIT chunk 01-09 12:17:15.427: INFO/dalvikvm(176): Debugger is active 01-09 12:17:15.585: INFO/System.out(176): Debugger has connected 01-09 12:17:15.605: INFO/System.out(176): waiting for debugger to settle... 01-09 12:17:15.804: INFO/System.out(176): waiting for debugger to settle... 01-09 12:17:16.004: INFO/System.out(176): waiting for debugger to settle... 01-09 12:17:16.237: INFO/System.out(176): waiting for debugger to settle... 01-09 12:17:16.454: INFO/System.out(176): waiting for debugger to settle... 01-09 12:17:16.495: DEBUG/dalvikvm(52): GC freed 3217 objects / 211888 bytes in 537ms 01-09 12:17:16.654: INFO/System.out(176): waiting for debugger to settle... 01-09 12:17:16.864: INFO/System.out(176): waiting for debugger to settle... 01-09 12:17:17.065: INFO/System.out(176): waiting for debugger to settle... 01-09 12:17:17.125: INFO/ActivityManager(52): Start proc com.android.alarmclock for broadcast com.android.alarmclock/.AlarmInitReceiver: pid=186 uid=10000 gids={} 01-09 12:17:17.184: INFO/ActivityManager(52): processNextBroadcast: waiting for ProcessRecord{4348b1b8 186:com.android.alarmclock/10000} 01-09 12:17:17.284: INFO/System.out(176): waiting for debugger to settle... 01-09 12:17:17.335: INFO/jdwp(186): received file descriptor 10 from ADB 01-09 12:17:17.424: DEBUG/PhoneApp(91): [CallNotifier] onMwiChanged(): false 01-09 12:17:17.444: DEBUG/PhoneApp(91): [CallNotifier] onCfiChanged(): false 01-09 12:17:17.485: INFO/System.out(176): waiting for debugger to settle... 01-09 12:17:17.684: INFO/System.out(176): waiting for debugger to settle... 01-09 12:17:17.704: WARN/StkAppInstaller(91): Could not change STK app state 01-09 12:17:17.754: INFO/ARMAssembler(52): generated scanline__00000077:03515104_00000000_00000000 [ 27 ipp] (41 ins) at [0x227f48:0x227fec] in 3006597 ns 01-09 12:17:17.764: DEBUG/TelephonyProvider(91): Setting numeric '310260' to be the current operator 01-09 12:17:17.894: INFO/System.out(176): waiting for debugger to settle... 01-09 12:17:17.974: INFO/ActivityThread(186): Publishing provider com.android.alarmclock: com.android.alarmclock.AlarmProvider 01-09 12:17:18.094: INFO/System.out(176): waiting for debugger to settle... 01-09 12:17:18.295: DEBUG/MobileDataStateTracker(52): CONNECTED event did not supply interface name. 01-09 12:17:18.295: INFO/System.out(176): waiting for debugger to settle... 01-09 12:17:18.304: DEBUG/MobileDataStateTracker(52): DNS server addresses are not known. 01-09 12:17:18.345: ERROR/NetworkStateTracker(52): Can't set tcp buffer sizes:java.io.FileNotFoundException: /sys/kernel/ipv4/ tcp_rmem_min 01-09 12:17:18.454: DEBUG/GpsLocationProvider(52): updateNetworkState available 01-09 12:17:18.475: DEBUG/GpsLocationProvider(52): NetworkThread out of wake loop 01-09 12:17:18.475: DEBUG/GpsLocationProvider(52): Requesting time from NTP server pool.ntp.org 01-09 12:17:18.506: INFO/System.out(176): waiting for debugger to settle... 01-09 12:17:18.675: DEBUG/SntpClient(52): round trip: 56 ms 01-09 12:17:18.715: INFO/System.out(176): debugger has settled (1392) 01-09 12:17:18.734: DEBUG/SntpClient(52): clock offset: 25526 ms 01-09 12:17:18.734: DEBUG/GpsLocationProvider(52): calling native_inject_time: 1231478264148 reference: 41807 certainty: 28 01-09 12:17:18.814: DEBUG/GpsLocationProvider(52): NetworkThread wait for 14400000ms 01-09 12:17:19.015: INFO/CheckinService(52): Checkin triggered: Intent { action=android.server.checkin.CHECKIN flags=0x4 (has extras) } 01-09 12:17:19.015: INFO/CheckinService(52): Checkin disabled by system property 01-09 12:17:19.234: INFO/ActivityManager(52): Start proc android.process.media for broadcast com.android.providers.downloads/.DownloadReceiver: pid=194 uid=10003 gids={1006, 3003, 2001} 01-09 12:17:19.345: INFO/jdwp(194): received file descriptor 10 from ADB **** showing the logs here:**** 01-09 12:17:19.495: DEBUG/onCreate(176): testResult id found 01-09 12:17:19.495: DEBUG/onCreate(176): spinner id found 01-09 12:17:19.495: DEBUG/onCreate(176): arraylist created 01-09 12:17:19.514: DEBUG/onCreate(176): new adapter made 01-09 12:17:19.536: DEBUG/onCreate(176): adapter layout set **** never makes it past spin.setAdapter(adapter); for some strange reason **** 01-09 12:17:19.795: INFO/ActivityThread(194): Publishing provider downloads: com.android.providers.downloads.DownloadProvider 01-09 12:17:20.045: INFO/ActivityThread(194): Publishing provider drm: com.android.providers.drm.DrmProvider 01-09 12:17:20.155: INFO/ActivityThread(194): Publishing provider media: com.android.providers.media.MediaProvider 01-09 12:17:20.365: VERBOSE/MediaProvider(194): Attached volume: internal 01-09 12:17:20.915: DEBUG/MediaScannerService(194): start scanning volume internal 01-09 12:17:21.515: WARN/WindowManager(52): App freeze timeout expired. 01-09 12:17:21.515: WARN/WindowManager(52): Force clearing freeze: AppWindowToken{43487998 token=HistoryRecord{4348b3e8 {com.ninjadice.SpinTest/com.ninjadice.SpinTest.SpinTest}}} 01-09 12:17:21.805: INFO/ActivityManager(52): Stopping service: com.android.providers.downloads/.DownloadService 01-09 12:17:21.975: DEBUG/dalvikvm(52): GREF has increased to 201 01-09 12:17:22.045: DEBUG/MediaScanner(194): prescan time: 673ms 01-09 12:17:22.045: DEBUG/MediaScanner(194): scan time: 254ms 01-09 12:17:22.125: DEBUG/MediaScanner(194): postscan time: 90ms 01-09 12:17:22.125: DEBUG/MediaScanner(194): total time: 1017ms 01-09 12:17:22.245: DEBUG/MediaScannerService(194): done scanning volume internal 01-09 12:17:22.288: INFO/ActivityManager(52): Stopping service: com.android.providers.media/.MediaScannerService 01-09 12:17:22.325: INFO/ActivityManager(52): Stopping service: com.android.mms/.transaction.TransactionService 01-09 12:17:22.495: INFO/ActivityManager(52): Stopping service: com.android.providers.downloads/.DownloadService 01-09 12:17:22.546: INFO/ActivityManager(52): Stopping service: com.android.mms/.transaction.SmsReceiverService 01-09 12:17:23.635: DEBUG/dalvikvm(52): GC freed 4323 objects / 177376 bytes in 121ms 01-09 12:17:24.725: WARN/ActivityManager(52): Launch timeout has expired, giving up wake lock! 01-09 12:17:25.281: WARN/ActivityManager(52): Activity idle timeout for HistoryRecord{4348b3e8 {com.ninjadice.SpinTest/ com.ninjadice.SpinTest.SpinTest}} 01-09 12:17:30.375: DEBUG/dalvikvm(91): GC freed 3589 objects / 187184 bytes in 91ms 01-09 12:17:35.384: DEBUG/dalvikvm(97): GC freed 2043 objects / 98304 bytes in 87ms 01-09 12:17:40.415: DEBUG/dalvikvm(125): GC freed 2335 objects / 129376 bytes in 100ms 01-09 12:18:31.065: DEBUG/KeyguardViewMediator(52): pokeWakelock(5000) 01-09 12:18:41.175: WARN/WindowManager(52): Key dispatching timed out sending to <null> 01-09 12:18:41.175: WARN/WindowManager(52): Continuing to wait for key to be dispatched Any thoughts on what might be wrong would be appreciated! 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