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我正在开发一个允许用作启动程序的应用程序。我们主要使用最近接受Android 5.1.1升级的三星平板电脑，这似乎改变了我们的应用程序在用作启动器时的行为方式。当应用程序作为启动程序启动时，Android NFC意图不工作
问题是，Android似乎使用默认的com.android.nfc/.NfcRootActivity系统默认活动，而不是我们的应用程序。当应用程序正常启动时，它工作正常。在三星部署更新之前，这被用于工作。
这里是日志剪切。
当作为启动器启动的（NFC不工作）
Line 474: E/NxpNfcJni(1457): setReconnectState = 0x0
Line 476: D/NativeNfcTag(1457): Starting background presence check
Line 478: D/NfcDispatcher(1457): tryStartActivity. Send intent.
Line 480: D/PackageManager(1014): Resolving for NFC Intent { flg=0x10008000 cmp=com.android.nfc/.NfcRootActivity (has extras) } flag 66688 user 0
Line 480: D/PackageManager(1014): Resolving for NFC Intent { flg=0x10008000 cmp=com.android.nfc/.NfcRootActivity (has extras) } flag 66688 user 0
Line 480: D/PackageManager(1014): Resolving for NFC Intent { flg=0x10008000 cmp=com.android.nfc/.NfcRootActivity (has extras) } flag 66688 user 0
Line 482: W/ResourcesManager(1014): Asset path '/system/framework/com.broadcom.nfc.jar' does not exist or contains no resources.
Line 492: V/WindowManager(1014): addAppToken: AppWindowToken{11f6a866 token=Token{513b8c1 ActivityRecord{951b5a8 u0 com.android.nfc/.NfcRootActivity t24}}} to stack=1 task=24 at 0
Line 492: V/WindowManager(1014): addAppToken: AppWindowToken{11f6a866 token=Token{513b8c1 ActivityRecord{951b5a8 u0 com.android.nfc/.NfcRootActivity t24}}} to stack=1 task=24 at 0
Line 498: D/NfcPlugin(1494): onPause Intent { }
Line 502: D/NfcPlugin(1494): stopNfc
当开始定期（工作）
Line 261: E/NxpNfcJni(1457): setReconnectState = 0x0
Line 263: D/PersonaManager(1457): isNFCAllowed
Line 269: D/NativeNfcTag(1457): Starting background presence check
Line 273: W/ActivityManager(1014): startActivity called from non-Activity context; forcing Intent.FLAG_ACTIVITY_NEW_TASK for: Intent { act=android.nfc.action.TECH_DISCOVERED flg=0x24000000 cmp=com.bstmedia.xxx/yyy.KioskActivity (has extras) }
Line 277: D/NfcPlugin(1494): onPause Intent { }
Line 279: D/NfcPlugin(1494): stopNfc
以下是我们在清单文件。
<activity android:configChanges="orientation|keyboardHidden|keyboard|screenSize|locale|uiMode" android:label="@string/activity_name" android:launchMode="singleTop" android:name="MainActivity" android:theme="@android:style/Theme.DeviceDefault.NoActionBar" android:windowSoftInputMode="adjustResize">
<intent-filter android:label="@string/launcher_name">
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
<intent-filter>
<action android:name="android.nfc.action.NDEF_DISCOVERED" />
<data android:mimeType="text/xxx" />
<category android:name="android.intent.category.DEFAULT" />
</intent-filter>
</activity>
<activity android:configChanges="orientation|keyboardHidden|keyboard|screenSize|locale|uiMode" android:keepScreenOn="true" android:label="My App Name" android:launchMode="singleInstance" android:name="yyy.KioskActivity" android:windowSoftInputMode="adjustResize">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.DEFAULT" />
<category android:name="android.intent.category.HOME" />
</intent-filter>
</activity>