android – libiconv.so：有文本重定位

25-03-18 7

如果您对android–libiconv.so：有文本重定位感兴趣，那么这篇文章一定是您不可错过的。我们将详细讲解android–libiconv.so：有文本重定位的各种细节，此外还有关于、Andr

如果您对android – libiconv.so：有文本重定位感兴趣，那么这篇文章一定是您不可错过的。我们将详细讲解android – libiconv.so：有文本重定位的各种细节，此外还有关于、Android Beacon Library在一台Android 4.4设备上运行良好,但在另一台Android设备上运行良好、Android Studio,下载soruces android-27以定位最新的SDK、Android studio启动报Error:(1, 0) Plugin with id ''com.android.application'' not found.的实用技巧。

本文目录一览：

android – libiconv.so：有文本重定位
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Android Beacon Library在一台Android 4.4设备上运行良好,但在另一台Android设备上运行良好
Android Studio,下载soruces android-27以定位最新的SDK
Android studio启动报Error:(1, 0) Plugin with id ''com.android.application'' not found.

android – libiconv.so：有文本重定位

我的应用程序的目标是在Android 6上运行,根据我的理解,它不允许加载共享库.

有没有人遇到过这个问题并且能够成功解决它？

java.lang.UnsatisfiedLinkError: dlopen Failed: /data/app/com.XXX.XXX-2/lib/arm/libiconv.so: has text relocations

解决方法:

Android 6不再支持共享对象的动态链接.静态链接仍然有效.但是,您的问题与此无关.

由于文本重定位,库甚至没有加载.

这是由于Android NDK中的一个旧版本错误,早在2012年.谷歌认为它可以通过Lollipop解决,然后忽略用户警告它不是.该错误在以后的NDK中重新出现,所有API版本> = 22都被视为已损坏.现在,禁止部署具有文本重定位的应用程序,而不是解决问题.

第一份报告：
https://code.google.com/p/android/issues/detail?id=23203

要避免此问题,请尝试使用API 21编译应用程序.有关如何定位各种OS版本的信息,请参阅IDE文档.

">

<application android:icon="@drawable/icon" android:label="@string/app_name"> 这句报错，不知道怎么修改啊，在线跪求大神解答啊。

Android Beacon Library在一台Android 4.4设备上运行良好,但在另一台Android设备上运行良好

更新：我尝试了一种更直接的方法(参见下面的编辑3),这使得手表上的信标缺乏有趣的数据.

有关非工作设备的详细信息.
智能手表(通用)列为蓝牙4.0功能
MTK6572芯片组
型号EC720(似乎有很多变种)
Android 4.4.2
内核：3.4.67 chendalin-Z87-HD3#1 2014年12月27日
内部版本号：H82D.SMARTWATCH.OC4.0.20141447
自定义版本：1419655453

我正在使用相同的Radius Networks标签信标测试相同的应用程序.在这个测试中,我在我的设备的近距离内有相同的4个信标.

设备1是Nexus 7(2013),我还没有更新到Android L,它运行4.4.4

Device 2是一款通用的智能手表,在MTK6572上运行android 4.4.2.规格列出有蓝牙4.0

当我使用Android Beacon Library运行我的测试应用程序时,Nexus报告信标,但智能手表没有.它似乎检测到它们,但我看到logcat中的条目如：D / BluetoothAdapter：onScanResult() – Device = E5：E0：20：CF：63：32 RSSI = -60.当BeaconParser未设置为读取正确类型的信标时,通常会显示这些消息,但在我的情况下,我很确定这不是问题,因为nexus看到的信标具有完全相同的代码.

对于2个设备看起来非常不同的日志输出,我开始怀疑手表的android构建是否因为BLE支持被禁用或者具有不完整的堆栈.我已经仔细检查了蓝牙是否打开,并且还想注意该手表具有应用程序权限管理,我为应用程序请求的所有权限设置为“始终允许”.

这里来自smartwatch的部分logcat：

02-03 19:40:40.393    2620-2620/com.mapcushion.android.mapcushionpingl D/BeaconManager﹕ This consumer is not bound.  binding: com.mapcushion.android.mapcushionpingl.Scan@41c7d2c0
02-03 19:40:40.435    2620-2620/com.mapcushion.android.mapcushionpingl D/BeaconManager﹕ consumer count is Now:1
...
02-03 19:40:40.617    2620-2620/com.mapcushion.android.mapcushionpingl I/BeaconService﹕ beaconService version 2.1 is starting up
02-03 19:40:40.638    2620-2620/com.mapcushion.android.mapcushionpingl I/CycledLeScanner﹕ This is not Android 5.0.  We are using old scanning APIs
02-03 19:40:40.645    2620-2620/com.mapcushion.android.mapcushionpingl D/ModelSpecificdistanceCalculator﹕ Finding best distance calculator for 4.4.2,KOT49H,EC720,alps
02-03 19:40:40.645    2620-2620/com.mapcushion.android.mapcushionpingl D/AndroidModel﹕ score is 0 for LGE;Nexus 4;KOT49H;4.4.2 compared to alps;EC720;KOT49H;4.4.2
02-03 19:40:40.645    2620-2620/com.mapcushion.android.mapcushionpingl D/AndroidModel﹕ score is 0 for LGE;Nexus 5;LPV79;4.4.2 compared to alps;EC720;KOT49H;4.4.2
02-03 19:40:40.645    2620-2620/com.mapcushion.android.mapcushionpingl W/ModelSpecificdistanceCalculator﹕ Cannot find match for this device.  Using default
02-03 19:40:40.645    2620-2620/com.mapcushion.android.mapcushionpingl D/ModelSpecificdistanceCalculator﹕ Finding best distance calculator for 4.4.2,alps
02-03 19:40:40.645    2620-2620/com.mapcushion.android.mapcushionpingl D/AndroidModel﹕ score is 0 for LGE;Nexus 4;KOT49H;4.4.2 compared to alps;EC720;KOT49H;4.4.2
02-03 19:40:40.646    2620-2620/com.mapcushion.android.mapcushionpingl D/AndroidModel﹕ score is 0 for LGE;Nexus 5;LPV79;4.4.2 compared to alps;EC720;KOT49H;4.4.2
02-03 19:40:40.646    2620-2620/com.mapcushion.android.mapcushionpingl W/ModelSpecificdistanceCalculator﹕ Cannot find match for this device.  Using default
02-03 19:40:40.648    2620-2620/com.mapcushion.android.mapcushionpingl D/BeaconService﹕ No org.altbeacon.beacon.SimulatedScanData class exists.
02-03 19:40:40.649    2620-2620/com.mapcushion.android.mapcushionpingl D/ActivityThread﹕ SVC-CREATE_SERVICE handled : 0 / CreateServiceData{token=android.os.BinderProxy@41cbbec8 className=org.altbeacon.beacon.service.BeaconService packageName=com.mapcushion.android.mapcushionpingl intent=null}
02-03 19:40:40.650    2620-2620/com.mapcushion.android.mapcushionpingl I/BeaconService﹕ binding
02-03 19:40:40.656    2620-2620/com.mapcushion.android.mapcushionpingl D/ActivityThread﹕ SVC-BIND_SERVICE handled : 0 / BindServiceData{token=android.os.BinderProxy@41cbbec8 intent=Intent { cmp=com.mapcushion.android.mapcushionpingl/org.altbeacon.beacon.service.BeaconService }}
02-03 19:40:40.723    2620-2620/com.mapcushion.android.mapcushionpingl D/GraphicBuffer﹕ create handle(0x552ed2b8) (w:256,h:240,f:1)
02-03 19:40:40.725    2620-2620/com.mapcushion.android.mapcushionpingl I/MaliEGL﹕ [Mali]surface->num_buffers=4,surface->num_frames=3,win_min_undequeued=1
02-03 19:40:40.725    2620-2620/com.mapcushion.android.mapcushionpingl I/MaliEGL﹕ [Mali]max_allowed_dequeued_buffers=3
02-03 19:40:40.725    2620-2620/com.mapcushion.android.mapcushionpingl D/GraphicBuffer﹕ close handle(0x552ed2b8) (w:256 h:240 f:1)
02-03 19:40:40.733    2620-2620/com.mapcushion.android.mapcushionpingl D/GraphicBuffer﹕ create handle(0x553ec108) (w:256,f:1)
02-03 19:40:40.735    2620-2620/com.mapcushion.android.mapcushionpingl D/Openglrenderer﹕ Enabling debug mode 0
02-03 19:40:40.737    2620-2620/com.mapcushion.android.mapcushionpingl D/GraphicBuffer﹕ create handle(0x5542c8a8) (w:768,h:768,f:1)
02-03 19:40:40.741    2620-2620/com.mapcushion.android.mapcushionpingl W/MALI﹕ MTK_AUX_isMTKFormat:168: int MTK_AUX_isMTKFormat(ANativeWindowBuffer_t*): format=1
02-03 19:40:40.743    2620-2620/com.mapcushion.android.mapcushionpingl D/Openglrenderer﹕ setViewport 240x240 <0x553ec690>
02-03 19:40:40.745    2620-2620/com.mapcushion.android.mapcushionpingl D/BeaconManager﹕ we have a connection to the service Now
02-03 19:40:40.747    2620-2620/com.mapcushion.android.mapcushionpingl D/BeaconManager﹕ callback packageName: com.mapcushion.android.mapcushionpingl
02-03 19:40:40.747    2620-2620/com.mapcushion.android.mapcushionpingl D/BeaconManager﹕ This consumer is already bound
...
02-03 19:40:40.814    2620-2620/com.mapcushion.android.mapcushionpingl I/BeaconService﹕ start ranging received
02-03 19:40:40.814    2620-2620/com.mapcushion.android.mapcushionpingl D/BeaconService﹕ Currently ranging 1 regions.
02-03 19:40:40.814    2620-2620/com.mapcushion.android.mapcushionpingl D/CycledLeScanner﹕ start called
02-03 19:40:40.828    2620-2620/com.mapcushion.android.mapcushionpingl D/CycledLeScanner﹕ starting a new scan cycle
02-03 19:40:40.829    2620-2620/com.mapcushion.android.mapcushionpingl D/BluetoothAdapter﹕ isEnabled
02-03 19:40:40.834    2620-2620/com.mapcushion.android.mapcushionpingl D/CycledLeScanner﹕ starting a new bluetooth le scan
02-03 19:40:40.835    2620-2620/com.mapcushion.android.mapcushionpingl D/BluetoothAdapter﹕ startLeScan(): null
02-03 19:40:40.874    2620-2633/com.mapcushion.android.mapcushionpingl D/BluetoothAdapter﹕ onClientRegistered() - status=0 clientIf=1
02-03 19:40:40.879    2620-2620/com.mapcushion.android.mapcushionpingl D/CycledLeScanner﹕ Waiting to stop scan cycle for another 1100 milliseconds
02-03 19:40:40.880    2620-2620/com.mapcushion.android.mapcushionpingl D/CycledLeScanner﹕ Scan started
02-03 19:40:40.880    2620-2620/com.mapcushion.android.mapcushionpingl D/CycledLeScanner﹕ Set scan periods called with 1100,0  Background mode must have changed.
02-03 19:40:40.881    2620-2620/com.mapcushion.android.mapcushionpingl D/CycledLeScanner﹕ We are not in the background.  Cancelling wakeup alarm
02-03 19:40:40.881    2620-2620/com.mapcushion.android.mapcushionpingl D/CycledLeScanner﹕ cancel wakeup alarm: null
02-03 19:40:41.084    2620-2634/com.mapcushion.android.mapcushionpingl D/BluetoothAdapter﹕ onScanResult() - Device=E5:E0:20:CF:63:32 RSSI=-45
02-03 19:40:41.084    2620-2634/com.mapcushion.android.mapcushionpingl D/CycledLeScannerForJellyBeanMr2﹕ got record

这是我的代码：

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_scan);
    mHandler = new android.os.Handler();
    beaconManager = BeaconManager.getInstanceForApplication(this);
    beaconManager.setDebug(true);
    beaconManager.getBeaconParsers().add(new BeaconParser().
            setBeaconLayout(" m:2-3=0215,i:4-19,i:20-21,i:22-23,p:24-24"));
    beaconManager.bind(this);
    sendbeacons();

}

@Override
public void onBeaconServiceConnect() {

    beaconManager.setRangeNotifier(new RangeNotifier() {
        @Override
        public void didRangeBeaconsInRegion(Collection<Beacon> beacons,Region region) {
            System.out.println("------- didRangeBeacons!!!!");
            iBeacons = beacons;
            System.out.println("------ num:: " + iBeacons.size());

            /*
            for(Beacon iBeacon : iBeacons) {

                Log.i("Beacon","found \nProxUUID: " + iBeacon.getId1()
                        + "\ntx: " + Integer.toString(iBeacon.getTxPower())
                        + "\nmanu: " + Integer.toString(iBeacon.getManufacturer())
                        + "\ndistance: " + Double.toString(iBeacon.getdistance())
                        + "\nRSSI:" + Integer.toString(iBeacon.getRSSi())
                        + "\nTxPow:" + Integer.toString(iBeacon.getTxPower())
                        + "\nBeacon type code:" + Double.toString(iBeacon.getBeaconTypeCode())
                        + "\n------------------------------------------------");
            }
            */

        }
    });

    try {
        beaconManager.startRangingBeaconsInRegion(new Region("briansbeacons",null,null));
    } catch(remoteexception e) {
        e.printstacktrace();
    }
    beaconManager.bind(this);
}

编辑1：

添加更多特定日志条目以尝试显示信标检测中的差异：我删除了除一个信标之外的所有信息,我注意到工作设备正在通过UUID识别信标,而非工作设备则不是.但我在工作设备的日志中找不到对Device = E5：E0：20：CF：63：32的任何引用.

Nexus 7(工作)：

02-02 23:48:14.795  10727-10751/com.mapcushion.android.mapcushionpingl D/BeaconService﹕ beacon detected multiple times in scan cycle :id1: 2f234454-cf6d-4a0f-adf2-f4911ba9ffa6 id2: 4 id3: 101
02-02 23:48:14.795  10727-10751/com.mapcushion.android.mapcushionpingl D/BeaconService﹕ beacon detected :id1: 2f234454-cf6d-4a0f-adf2-f4911ba9ffa6 id2: 4 id3: 101
02-02 23:48:14.795  10727-10751/com.mapcushion.android.mapcushionpingl D/BeaconService﹕ looking for ranging region matches for this beacon
02-02 23:48:14.795  10727-10751/com.mapcushion.android.mapcushionpingl D/BeaconService﹕ matches ranging region: id1: null id2: null id3: null
02-02 23:48:14.795  10727-10751/com.mapcushion.android.mapcushionpingl D/RangeState﹕ adding id1: 2f234454-cf6d-4a0f-adf2-f4911ba9ffa6 id2: 4 id3: 101 to existing range for: org.altbeacon.beacon.service.RangedBeacon@41eb5380
02-02 23:48:14.915  10727-10738/com.mapcushion.android.mapcushionpingl D/CycledLeScannerForJellyBeanMr2﹕ got record
02-02 23:48:14.915  10727-10759/com.mapcushion.android.mapcushionpingl D/BeaconParser﹕ This is not a matching Beacon advertisement.  (Was expecting be ac.  The bytes I see are: 02011a0bff4c0009060102c0a801130000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
02-02 23:48:14.915  10727-10759/com.mapcushion.android.mapcushionpingl D/BeaconParser﹕ This is not a matching Beacon advertisement.  (Was expecting 02 15.  The bytes I see are: 02011a0bff4c0009060102c0a801130000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000

SmartWatch(不工作)：

02-02 23:46:52.598    3351-3364/com.mapcushion.android.mapcushionpingl D/BluetoothAdapter﹕ onScanResult() - Device=E5:E0:20:CF:63:32 RSSI=-31
02-02 23:46:52.599    3351-3364/com.mapcushion.android.mapcushionpingl D/CycledLeScannerForJellyBeanMr2﹕ got record
02-02 23:46:52.600    3351-3364/com.mapcushion.android.mapcushionpingl D/BluetoothDevice﹕ mAddress: E5:E0:20:CF:63:32
02-02 23:46:52.603    3351-3383/com.mapcushion.android.mapcushionpingl D/BeaconParser﹕ This is not a matching Beacon advertisement.  (Was expecting be ac.  The bytes I see are: 0201000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
02-02 23:46:52.603    3351-3383/com.mapcushion.android.mapcushionpingl D/BeaconParser﹕ This is not a matching Beacon advertisement.  (Was expecting 02 15.  The bytes I see are: 0201000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
02-02 23:46:52.605    3351-3383/com.mapcushion.android.mapcushionpingl D/BeaconParser﹕ This is not a matching Beacon advertisement.  (Was expecting 02 15.  The bytes I see are: 0201000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
02-02 23:46:53.432    3351-3351/com.mapcushion.android.mapcushionpingl D/CycledLeScanner﹕ Waiting to stop scan cycle for another 98 milliseconds
02-02 23:46:53.531    3351-3351/com.mapcushion.android.mapcushionpingl D/CycledLeScanner﹕ Done with scan cycle
02-02 23:46:53.531    3351-3351/com.mapcushion.android.mapcushionpingl D/BeaconService﹕ Calling ranging callback

我注意到的另一件事是,在非工作设备中,对BeaconService的唯一引用如下：

02-02 23:46:52.364    3351-3351/com.mapcushion.android.mapcushionpingl D/BeaconService﹕ Calling ranging callback
02-02 23:46:52.364    3351-3351/com.mapcushion.android.mapcushionpingl D/Callback﹕ attempting callback via intent: ComponentInfo{com.mapcushion.android.mapcushionpingl/org.altbeacon.beacon.BeaconIntentProcessor}

而在工作设备中,大多数信标的记录似乎来自该类…

编辑 – 更新2：

回答David关于MAC地址的问题

以下代码：

beaconManager.setRangeNotifier(new RangeNotifier() {
    @Override
    public void didRangeBeaconsInRegion(Collection<Beacon> beacons,Region region) {
    System.out.println("------- didRangeBeacons!!!!");
    iBeacons = beacons;
    System.out.println("------ num:: " + iBeacons.size());


    for(Beacon iBeacon : iBeacons) {
        Log.i("Beacon","\n------------------------------------------------");
        Log.d(TAG,"Mac address is: "+iBeacon.getBluetoothAddress());
        Log.i("Beacon","\n------------------------------------------------");
    }


    }
});

在工作Nexus 7上产生：

02-03 19:44:57.200    3192-3438/com.mapcushion.android.mapcushionpingl I/System.out﹕ ------- didRangeBeacons!!!!
02-03 19:44:57.200    3192-3438/com.mapcushion.android.mapcushionpingl I/System.out﹕ ------ num:: 1
02-03 19:44:57.200    3192-3438/com.mapcushion.android.mapcushionpingl I/Beacon﹕ ------------------------------------------------
02-03 19:44:57.200    3192-3438/com.mapcushion.android.mapcushionpingl D/RangingActivity﹕ Mac address is: E5:E0:20:CF:63:32
02-03 19:44:57.200    3192-3438/com.mapcushion.android.mapcushionpingl I/Beacon﹕ ------------------------------------------------

在智能手表上：

02-03 19:40:46.671    2620-2671/com.mapcushion.android.mapcushionpingl I/System.out﹕ ------- didRangeBeacons!!!!
02-03 19:40:46.671    2620-2671/com.mapcushion.android.mapcushionpingl I/System.out﹕ ------ num:: 0

因此BeaconManager(或底层的android API)没有将“设备”视为信标,但它确实用这条线识别具有相同MAC地址的信标：

02-03 19:40:46.486    2620-2633/com.mapcushion.android.mapcushionpingl D/BluetoothDevice﹕ mAddress: E5:E0:20:CF:63:32

编辑3：

我决定退后一步,尝试使用Android蓝牙API直接查询信标.

基本上我只是想输出返回的字节,看看为什么没有识别信标.并且对于相同的信标,输出看起来完全不同,只有前两个字节具有智能手表所见的信标数据,而nexus 7具有30个字节的数据.

到目前为止,我尝试更改SCAN_TIME没有任何效果.手表收到的数据是否有迹象表明它无法读取数据包？

我使用了以下代码：

private static final long SCAN_TIME = 5000;
    boolean mScanning = false;
    private void scanLeDevice(final boolean enable) {
        Log.i(null,"Inside scanLeDevice");
        Log.i(null,"scan time is: " + SCAN_TIME);
        if (enable) {
            // Stops scanning after a pre-defined scan period.
            mHandler.postDelayed(new Runnable() {
                @Override
                public void run() {
                    mScanning = false;
                    Log.i(null,"Calling stopLeScan");
                    mBluetoothAdapter.stopLeScan(mLeScanCallback);
                }
            },SCAN_TIME);

            mScanning = true;
            Log.i(null,"Calling startLeScan");
            mBluetoothAdapter.startLeScan(mLeScanCallback);
        } else {
            mScanning = false;
            mBluetoothAdapter.stopLeScan(mLeScanCallback);
        }
    }

    private BluetoothAdapter.LeScanCallback mLeScanCallback =
        new BluetoothAdapter.LeScanCallback() {
            @Override
            public void onLeScan(final BluetoothDevice device,int RSSi,final byte[] scanRecord) {
                runOnUiThread(new Runnable() {
                    @Override
                    public void run() {
                        Log.i(null,"INSIDE ONLESCAN");
                        //DO MY WORK
                        Log.i(null,"scanned record: " + scanRecord.length);

                        int startByte = 2;
                        boolean patternFound = false;

                        for(int i=0; i<scanRecord.length; i++) {
                            Log.i(null,"byte " + i + ": " + scanRecord[i]);
                        }

                        while (startByte <= 5) {
                            Log.i(null,"scanned record: " + scanRecord.length);

                            Log.i(null,"Identifier check: " + ((int) scanRecord[startByte + 2] & 0xff) + " == " + 0x02);
                            Log.i(null,"Length of data : " + ((int) scanRecord[startByte + 3] & 0xff) + "==" + (0x15));
                            //Log.i(null," iBeacon Identifier: " + (scanRecord[startByte + 2] & 0xff));
                            if (((int) scanRecord[startByte + 2] & 0xff) == 0x02 && //Identifies an iBeacon
                                    ((int) scanRecord[startByte + 3] & 0xff) == 0x15) { //Identifies correct data length
                                patternFound = true;
                                break;
                            }
                            startByte++;
                        }

                        if (patternFound) {
                            //Convert to hex String
                            byte[] uuidBytes = new byte[16];
                            System.arraycopy(scanRecord,startByte+4,uuidBytes,16);
                            String hexString = bytesToHex(uuidBytes);

                            //Here is your UUID
                            String uuid =  hexString.substring(0,8) + "-" +
                                    hexString.substring(8,12) + "-" +
                                    hexString.substring(12,16) + "-" +
                                    hexString.substring(16,20) + "-" +
                                    hexString.substring(20,32);

                            //Here is your Major value
                            int major = (scanRecord[startByte+20] & 0xff) * 0x100 + (scanRecord[startByte+21] & 0xff);

                            //Here is your Minor value
                            int minor = (scanRecord[startByte+22] & 0xff) * 0x100 + (scanRecord[startByte+23] & 0xff);

                            System.out.println("-------------output------ : " + uuid + " maj: " + major + " min: " + minor );
                        }
                    }
                });
            }
        };
    }

这是输出：

nexus 7(工作)：

02-03 22:50:43.811    7303-7303/com.mapcushion.android.mapcushionpingl I/﹕ INSIDE ONLESCAN
02-03 22:50:43.811    7303-7303/com.mapcushion.android.mapcushionpingl I/﹕ scanned record: 62
02-03 22:50:43.811    7303-7303/com.mapcushion.android.mapcushionpingl I/﹕ byte 0: 2
02-03 22:50:43.811    7303-7303/com.mapcushion.android.mapcushionpingl I/﹕ byte 1: 1
02-03 22:50:43.811    7303-7303/com.mapcushion.android.mapcushionpingl I/﹕ byte 2: 6
02-03 22:50:43.811    7303-7303/com.mapcushion.android.mapcushionpingl I/﹕ byte 3: 26
02-03 22:50:43.811    7303-7303/com.mapcushion.android.mapcushionpingl I/﹕ byte 4: -1
02-03 22:50:43.811    7303-7303/com.mapcushion.android.mapcushionpingl I/﹕ byte 5: 76
02-03 22:50:43.811    7303-7303/com.mapcushion.android.mapcushionpingl I/﹕ byte 6: 0
02-03 22:50:43.821    7303-7303/com.mapcushion.android.mapcushionpingl I/﹕ byte 7: 2
02-03 22:50:43.821    7303-7303/com.mapcushion.android.mapcushionpingl I/﹕ byte 8: 21
02-03 22:50:43.831    7303-7303/com.mapcushion.android.mapcushionpingl I/﹕ byte 9: 47
02-03 22:50:43.831    7303-7303/com.mapcushion.android.mapcushionpingl I/﹕ byte 10: 35
02-03 22:50:43.831    7303-7303/com.mapcushion.android.mapcushionpingl I/﹕ byte 11: 68
02-03 22:50:43.831    7303-7303/com.mapcushion.android.mapcushionpingl I/﹕ byte 12: 84
02-03 22:50:43.831    7303-7303/com.mapcushion.android.mapcushionpingl I/﹕ byte 13: -49
02-03 22:50:43.831    7303-7303/com.mapcushion.android.mapcushionpingl I/﹕ byte 14: 109
02-03 22:50:43.831    7303-7303/com.mapcushion.android.mapcushionpingl I/﹕ byte 15: 74
02-03 22:50:43.831    7303-7303/com.mapcushion.android.mapcushionpingl I/﹕ byte 16: 15
02-03 22:50:43.841    7303-7303/com.mapcushion.android.mapcushionpingl I/﹕ byte 17: -83
02-03 22:50:43.841    7303-7303/com.mapcushion.android.mapcushionpingl I/﹕ byte 18: -14
02-03 22:50:43.841    7303-7303/com.mapcushion.android.mapcushionpingl I/﹕ byte 19: -12
02-03 22:50:43.841    7303-7303/com.mapcushion.android.mapcushionpingl I/﹕ byte 20: -111
02-03 22:50:43.841    7303-7303/com.mapcushion.android.mapcushionpingl I/﹕ byte 21: 27
02-03 22:50:43.841    7303-7303/com.mapcushion.android.mapcushionpingl I/﹕ byte 22: -87
02-03 22:50:43.841    7303-7303/com.mapcushion.android.mapcushionpingl I/﹕ byte 23: -1
02-03 22:50:43.851    7303-7303/com.mapcushion.android.mapcushionpingl I/﹕ byte 24: -90
02-03 22:50:43.851    7303-7303/com.mapcushion.android.mapcushionpingl I/﹕ byte 25: 0
02-03 22:50:43.851    7303-7303/com.mapcushion.android.mapcushionpingl I/﹕ byte 26: 4
02-03 22:50:43.851    7303-7303/com.mapcushion.android.mapcushionpingl I/﹕ byte 27: 0
02-03 22:50:43.851    7303-7303/com.mapcushion.android.mapcushionpingl I/﹕ byte 28: 101
02-03 22:50:43.851    7303-7303/com.mapcushion.android.mapcushionpingl I/﹕ byte 29: -76
02-03 22:50:43.851    7303-7303/com.mapcushion.android.mapcushionpingl I/﹕ byte 30: 0
... (all 0''s)
02-03 22:50:43.882    7303-7303/com.mapcushion.android.mapcushionpingl I/﹕ byte 61: 0
02-03 22:50:43.882    7303-7303/com.mapcushion.android.mapcushionpingl I/﹕ scanned record: 62
02-03 22:50:43.882    7303-7303/com.mapcushion.android.mapcushionpingl I/﹕ Identifier check: 255 == 2
02-03 22:50:43.882    7303-7303/com.mapcushion.android.mapcushionpingl I/﹕ Length of data : 76==21
02-03 22:50:43.882    7303-7303/com.mapcushion.android.mapcushionpingl I/﹕ scanned record: 62
02-03 22:50:43.882    7303-7303/com.mapcushion.android.mapcushionpingl I/﹕ Identifier check: 76 == 2
02-03 22:50:43.882    7303-7303/com.mapcushion.android.mapcushionpingl I/﹕ Length of data : 0==21
02-03 22:50:43.882    7303-7303/com.mapcushion.android.mapcushionpingl I/﹕ scanned record: 62
02-03 22:50:43.882    7303-7303/com.mapcushion.android.mapcushionpingl I/﹕ Identifier check: 0 == 2
02-03 22:50:43.882    7303-7303/com.mapcushion.android.mapcushionpingl I/﹕ Length of data : 2==21
02-03 22:50:43.882    7303-7303/com.mapcushion.android.mapcushionpingl I/﹕ scanned record: 62
02-03 22:50:43.882    7303-7303/com.mapcushion.android.mapcushionpingl I/﹕ Identifier check: 2 == 2
02-03 22:50:43.882    7303-7303/com.mapcushion.android.mapcushionpingl I/﹕ Length of data : 21==21
02-03 22:50:43.882    7303-7303/com.mapcushion.android.mapcushionpingl I/System.out﹕ -------------output------ : 2F234454-CF6D-4A0F-ADF2-F4911BA9FFA6 maj: 4 min: 101
02-03 22:50:43.912    7303-7303/com.mapcushion.android.mapcushionpingl I/﹕ Calling stopLeScan

smartwatch(不工作)：

2-03 22:53:37.374    6177-6189/com.mapcushion.android.mapcushionpingl D/BluetoothAdapter﹕ onScanResult() - Device=E5:E0:20:CF:63:32 RSSI=-46
02-03 22:53:37.376    6177-6177/com.mapcushion.android.mapcushionpingl I/﹕ INSIDE ONLESCAN
02-03 22:53:37.376    6177-6177/com.mapcushion.android.mapcushionpingl I/﹕ scanned record: 62
02-03 22:53:37.376    6177-6177/com.mapcushion.android.mapcushionpingl I/﹕ byte 0: 2
02-03 22:53:37.376    6177-6177/com.mapcushion.android.mapcushionpingl I/﹕ byte 1: 1
02-03 22:53:37.376    6177-6177/com.mapcushion.android.mapcushionpingl I/﹕ byte 2: 0
02-03 22:53:37.376    6177-6177/com.mapcushion.android.mapcushionpingl I/﹕ byte 3: 0
02-03 22:53:37.376    6177-6177/com.mapcushion.android.mapcushionpingl I/﹕ byte 4: 0
02-03 22:53:37.376    6177-6177/com.mapcushion.android.mapcushionpingl I/﹕ byte 5: 0
02-03 22:53:37.376    6177-6177/com.mapcushion.android.mapcushionpingl I/﹕ byte 6: 0
... (all 0''s)
02-03 22:53:37.378    6177-6177/com.mapcushion.android.mapcushionpingl I/﹕ byte 61: 0
02-03 22:53:37.378    6177-6177/com.mapcushion.android.mapcushionpingl I/﹕ scanned record: 62
02-03 22:53:37.378    6177-6177/com.mapcushion.android.mapcushionpingl I/﹕ Identifier check: 0 == 2
02-03 22:53:37.378    6177-6177/com.mapcushion.android.mapcushionpingl I/﹕ Length of data : 0==21
02-03 22:53:37.378    6177-6177/com.mapcushion.android.mapcushionpingl I/﹕ scanned record: 62
02-03 22:53:37.378    6177-6177/com.mapcushion.android.mapcushionpingl I/﹕ Identifier check: 0 == 2
02-03 22:53:37.378    6177-6177/com.mapcushion.android.mapcushionpingl I/﹕ Length of data : 0==21
02-03 22:53:37.378    6177-6177/com.mapcushion.android.mapcushionpingl I/﹕ scanned record: 62
02-03 22:53:37.378    6177-6177/com.mapcushion.android.mapcushionpingl I/﹕ Identifier check: 0 == 2
02-03 22:53:37.378    6177-6177/com.mapcushion.android.mapcushionpingl I/﹕ Length of data : 0==21
02-03 22:53:37.378    6177-6177/com.mapcushion.android.mapcushionpingl I/﹕ scanned record: 62
02-03 22:53:37.378    6177-6177/com.mapcushion.android.mapcushionpingl I/﹕ Identifier check: 0 == 2
02-03 22:53:37.378    6177-6177/com.mapcushion.android.mapcushionpingl I/﹕ Length of data : 0==21
02-03 22:53:37.643    6177-6177/com.mapcushion.android.mapcushionpingl I/﹕ Calling stopLeScan
02-03 22:53:37.643    6177-6177/com.mapcushion.android.mapcushionpingl D/BluetoothAdapter﹕ stopLeScan()
02-03 22:53:37.743    6177-6177/com.mapcushion.android.mapcushionpingl I/﹕ Calling stopLeScan
02-03 22:53:37.743    6177-6177/com.mapcushion.android.mapcushionpingl D/BluetoothAdapter﹕ stopLeScan()

解决方法

由于您使用Nexus 7确认信标的Mac地址为E5：E0：20：CF：63：32,您会看到该手表的广告显示为：

0201000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000

虽然Nexus 7将其读作一个非常不同的字节序列：

02011a0bff4c0009060102c0a801130000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000

我必须得出结论,手表没有正确读取BLE制造商的广告 – 它在两个字节后截断它们.

问题可能是MTK6572 ROM,硬件或两者协同工作的方式.为了其他人,可能值得记录完整的手表配置.

Android Studio,下载soruces android-27以定位最新的SDK

要开始一个新项目,我想要定位最新的SDK(利用新的开始).
但是,我也希望能够访问Android源代码,以便能够读取android类的代码(比如AsyncTask,就像一个例子).
我在gradle上使用SDK 27并使用compileSdkVersion 27.
我尝试过不同的方式(如here,here和here所示),但我似乎无法下载这些来源.

当我尝试浏览像AsyncTask这样的Android类时,我收到消息：

Decompiled .class file, bytecode version: 52.0 (Java 8)
Sources for ‘Android API 27 Platform’ not found.

即使单击下载然后单击刷新(如果已经下载)链接(这是最直观的事情),我仍然看不到任何Android类的源代码.

这仅是API 27的问题.我可以下载所有其他API版本的源代码.

这是因为API 27是最新的吗？

我想避免使用目标26.是否可以下载这些来源？到目前为止,有没有人能够做到这一点？

如果到目前为止有人知道如何做到这一点,那将非常有帮助.谢谢.

我正在使用Android Studio 3.0,并且API 27源代码的下载选项不可用：

Sources for API 27 not available

No option to download sources

UPDATE

正如已接受的答案所示,问题是API级别27是当时的开发预览,问题随着时间的推移得到解决(一旦正式发布发生).在针对最新的可用API版本时,此更新可能对遇到类似问题的用户有用.

解决方法:

Is this because of API 27 being the latest one?

不,这是因为API Level 27是Android 8.1,目前处于开发者预览版中.

I want to avoid targeting 26

我不确定为什么,考虑到26级是与Android(8.0)最新产品版本相对应的API级别.

Is it possible to download those sources?

通常,在OS发布以最终形式发布之前,源不可通过IDE获得.

Android studio启动报Error:(1, 0) Plugin with id ''com.android.application'' not found.

关于android – libiconv.so：有文本重定位的介绍现已完结，谢谢您的耐心阅读，如果想了解更多关于、Android Beacon Library在一台Android 4.4设备上运行良好,但在另一台Android设备上运行良好、Android Studio,下载soruces android-27以定位最新的SDK、Android studio启动报Error:(1, 0) Plugin with id ''com.android.application'' not found.的相关知识，请在本站寻找。

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