为什么调试一个不包含 MAIN 和 LAUNCH 活动，而只有一个接收器的 Android 应用程序的调试窗口是空的？是正常的还是有什么问题？
当我在调试模式下启动应用程序时，这是 LogCat：
10-24 13:02:52.998: D/AndroidRuntime(5782): >>>>>> AndroidRuntime START com.android.internal.os.RuntimeInit <<<<<<
10-24 13:02:52.998: D/AndroidRuntime(5782): CheckJNI is ON
10-24 13:02:53.108: D/dalvikvm(5782): Trying to load lib libjavacore.so 0x0
10-24 13:02:53.118: D/dalvikvm(5782): Added shared lib libjavacore.so 0x0
10-24 13:02:53.159: D/dalvikvm(5782): Trying to load lib libnativehelper.so 0x0
10-24 13:02:53.168: D/dalvikvm(5782): Added shared lib libnativehelper.so 0x0
10-24 13:02:54.324: D/AndroidRuntime(5782): Calling main entry com.android.commands.pm.Pm
10-24 13:02:54.398: D/AndroidRuntime(5782): Shutting down VM
10-24 13:02:54.418: D/dalvikvm(5782): GC_CONCURRENT freed 102K, 78% free 466K/2048K, paused 1ms+3ms, total 22ms
10-24 13:02:54.448: D/dalvikvm(5782): Debugger has detached; object registry had 1 entries
10-24 13:04:07.651: E/ThrottleService(159): problem during onPollAlarm: java.lang.IllegalStateException: problem parsing stats: java.io.FileNotFoundException: /proc/net/xt_qtaguid/iface_stat_all: open failed: ENOENT (No such file or directory)
10-24 13:05:07.188: E/MP3Extractor(39): Unable to resync. Signalling end of stream.
10-24 13:05:08.118: I/AudioService(159): AudioFocus abandonAudioFocus() from android.media.AudioManager@412af538
10-24 13:06:00.370: D/dalvikvm(220): GC_CONCURRENT freed 386K, 57% free 9099K/20743K, paused 74ms+10ms, total 195ms
这是控制台窗口
[2012-10-24 15:02:53 - SMSApp] ------------------------------
[2012-10-24 15:02:53 - SMSApp] Android Launch!
[2012-10-24 15:02:53 - SMSApp] adb is running normally.
[2012-10-24 15:02:53 - SMSApp] No Launcher activity found!
[2012-10-24 15:02:53 - SMSApp] The launch will only sync the application package on the device!
[2012-10-24 15:02:53 - SMSApp] Performing sync
[2012-10-24 15:02:53 - SMSApp] Automatic Target Mode: using existing emulator 'emulator-5554' running compatible AVD 'NFC-Smartphone-1'
[2012-10-24 15:02:55 - SMSApp] Application already deployed. No need to reinstall.
[2012-10-24 15:02:55 - SMSApp] \SMSApp\bin\SMSApp.apk installed on device
[2012-10-24 15:02:55 - SMSApp] Done!
如您所见，该应用程序已安装在模拟器上，但在第一次安装该应用程序时会出现同样的问题。让我知道查看代码是否有用。
我尝试使用稍微不同版本的同一应用程序，只是为了强制 Eclipse 在模拟器中重新安装该应用程序（添加了一个空格）。这是重新安装的LogCat：
10-25 12:43:14.628: D/AndroidRuntime(701): >>>>>> AndroidRuntime START com.android.internal.os.RuntimeInit <<<<<<
10-25 12:43:14.628: D/AndroidRuntime(701): CheckJNI is ON
10-25 12:43:14.687: D/dalvikvm(701): Trying to load lib libjavacore.so 0x0
10-25 12:43:14.707: D/dalvikvm(701): Added shared lib libjavacore.so 0x0
10-25 12:43:14.747: D/dalvikvm(701): Trying to load lib libnativehelper.so 0x0
10-25 12:43:14.747: D/dalvikvm(701): Added shared lib libnativehelper.so 0x0
10-25 12:43:15.647: D/AndroidRuntime(701): Calling main entry com.android.commands.pm.Pm
10-25 12:43:15.707: W/ActivityManager(148): No content provider found for permission revoke: file:///data/local/tmp/SMSApp.apk
10-25 12:43:15.737: W/ActivityManager(148): No content provider found for permission revoke: file:///data/local/tmp/SMSApp.apk
10-25 12:43:15.917: I/PackageManager(148): Removing non-system package:com.storassa.android.smsapp
10-25 12:43:15.917: I/ActivityManager(148): Force stopping package com.storassa.android.smsapp uid=10044
10-25 12:43:15.967: I/dalvikvm(148): Jit: resizing JitTable from 4096 to 8192
10-25 12:43:16.088: I/PackageManager(148): Package com.storassa.android.smsapp codePath changed from /data/app/com.storassa.android.smsapp-2.apk to /data/app/com.storassa.android.smsapp-1.apk; Retaining data and using new
10-25 12:43:16.098: I/PackageManager(148): Running dexopt on: com.storassa.android.smsapp
10-25 12:43:16.948: D/dalvikvm(715): DexOpt: load 124ms, verify+opt 526ms, 730780 bytes
10-25 12:43:16.977: I/ActivityManager(148): Force stopping package com.storassa.android.smsapp uid=10044
10-25 12:43:16.977: W/PackageManager(148): Code path for pkg : com.storassa.android.smsapp changing from /data/app/com.storassa.android.smsapp-2.apk to /data/app/com.storassa.android.smsapp-1.apk
10-25 12:43:16.977: W/PackageManager(148): Resource path for pkg : com.storassa.android.smsapp changing from /data/app/com.storassa.android.smsapp-2.apk to /data/app/com.storassa.android.smsapp-1.apk
10-25 12:43:17.067: D/PackageManager(148): New package installed in /data/app/com.storassa.android.smsapp-1.apk
10-25 12:43:17.337: D/dalvikvm(148): GC_CONCURRENT freed 664K, 8% free 11375K/12231K, paused 77ms+12ms, total 180ms
10-25 12:43:17.337: D/dalvikvm(148): WAIT_FOR_CONCURRENT_GC blocked 100ms
另一个提示：LogCat 中不会出现已保存的过滤器。