获取设备的运行信息

app/src/main/cpp/CMakeLists.txt

@@ -190,6 +190,7 @@ add_library( # Sets the name of the library.
         ${TERM_CORE_ROOT}/SpecData.cpp
         ${TERM_CORE_ROOT}/SpecData_I1.cpp
         ${TERM_CORE_ROOT}/SpecData_I1_AH.cpp
+        ${TERM_CORE_ROOT}/SpecData_I1_JS.cpp
         ${TERM_CORE_ROOT}/SpecData_I1_HN.cpp
         ${TERM_CORE_ROOT}/SpecData_I1_HEN.cpp
         ${TERM_CORE_ROOT}/SpecData_I1_SHX.cpp

app/src/main/cpp/PhoneDevice.cpp

@@ -32,6 +32,7 @@
 #include <opencv2/imgproc/imgproc.hpp>
 
 #include <android/log.h>
+#include <sys/system_properties.h>
 
 #define ALOGI(...) __android_log_print(ANDROID_LOG_INFO, LOG_TAG, __VA_ARGS__)
 #define ALOGW(...) __android_log_print(ANDROID_LOG_WARN, LOG_TAG, __VA_ARGS__)
@@ -49,6 +50,68 @@ extern bool GetJniEnv(JavaVM *vm, JNIEnv **env);
 // are normalized to eight bits.
 static const int kMaxChannelValue = 262143;
 
+static long getFreeMemoryImpl(const char* const sums[], const size_t sumsLen[], size_t num)
+{
+    int fd = open("/proc/meminfo", O_RDONLY | O_CLOEXEC);
+
+    if (fd < 0) {
+        ALOGW("Unable to open /proc/meminfo");
+        return -1;
+    }
+
+    char buffer[2048];
+    const int len = read(fd, buffer, sizeof(buffer)-1);
+    close(fd);
+
+    if (len < 0) {
+        ALOGW("Unable to read /proc/meminfo");
+        return -1;
+    }
+    buffer[len] = 0;
+
+    size_t numFound = 0;
+    jlong mem = 0;
+
+    char* p = buffer;
+    while (*p && numFound < num) {
+        int i = 0;
+        while (sums[i]) {
+            if (strncmp(p, sums[i], sumsLen[i]) == 0) {
+                p += sumsLen[i];
+                while (*p == ' ') p++;
+                char* num = p;
+                while (*p >= '0' && *p <= '9') p++;
+                if (*p != 0) {
+                    *p = 0;
+                    p++;
+                    if (*p == 0) p--;
+                }
+                mem += atoll(num) * 1024;
+                numFound++;
+                break;
+            }
+            i++;
+        }
+        p++;
+    }
+
+    return numFound > 0 ? mem : -1;
+}
+
+static jlong android_os_Process_getFreeMemory()
+{
+    static const char* const sums[] = { "MemFree:", "Cached:", NULL };
+    static const size_t sumsLen[] = { strlen("MemFree:"), strlen("Cached:"), 0 };
+    return getFreeMemoryImpl(sums, sumsLen, 2);
+}
+
+static jlong android_os_Process_getTotalMemory()
+{
+    static const char* const sums[] = { "MemTotal:", NULL };
+    static const size_t sumsLen[] = { strlen("MemTotal:"), 0 };
+    return getFreeMemoryImpl(sums, sumsLen, 1);
+}
+
 static inline uint32_t YUV2RGB(int nY, int nU, int nV) {
     nY -= 16;
     nU -= 128;
@@ -146,7 +209,16 @@ bool CPhoneDevice::UpdateTime(time_t ts)
     return (ret == JNI_TRUE);
 }
 
-bool GetNextScheduleItem(uint32_t tsBasedZero, uint32_t scheduleTime, vector<uint32_t>& items)
+bool CPhoneDevice::QuerySystemProperties(map<string, string>& properties)
+{
+    char value[128] = { 0 };
+    __system_property_get("ro.telephony.default_network", value);
+
+    return true;
+}
+
+
+bool CPhoneDevice::GetNextScheduleItem(uint32_t tsBasedZero, uint32_t scheduleTime, vector<uint32_t>& items)
 {
     return false;
 }

app/src/main/cpp/PhoneDevice.h

@@ -37,6 +37,7 @@ public:
 
     virtual void SetListener(IListener* listener);
 	virtual bool UpdateTime(time_t ts);
+	virtual bool QuerySystemProperties(map<string, string>& properties);
     virtual bool Reboot();
     virtual timer_uid_t RegisterHeartbeat(unsigned int timerType, unsigned int timeout);
 	virtual bool TakePhoto(const IDevice::PHOTO_INFO& photoInfo, const vector<OSD_INFO>& osds, const string& path);

app/src/main/cpp/camera2/ndkcamera.cpp

@@ -15,11 +15,9 @@
 #include "ndkcamera.h"
 
 #include <string>
-
+#include <thread>
 #include <android/log.h>
-
 #include <opencv2/core/core.hpp>
-
 #include "mat.h"
 
 static void onDisconnected(void* context, ACameraDevice* device)
@@ -34,97 +32,7 @@ static void onError(void* context, ACameraDevice* device, int error)
 
 static void onImageAvailable(void* context, AImageReader* reader)
 {
-//     __android_log_print(ANDROID_LOG_WARN, "NdkCamera", "onImageAvailable %p", reader);
-
-    AImage* image = 0;
-    media_status_t status = AImageReader_acquireLatestImage(reader, &image);
-
-    if (status != AMEDIA_OK)
-    {
-        // error
-        return;
-    }
-
-    int32_t format;
-    AImage_getFormat(image, &format);
-
-    // ASSERT(format == AIMAGE_FORMAT_YUV_420_888);
-
-    int32_t width = 0;
-    int32_t height = 0;
-    AImage_getWidth(image, &width);
-    AImage_getHeight(image, &height);
-
-    int32_t y_pixelStride = 0;
-    int32_t u_pixelStride = 0;
-    int32_t v_pixelStride = 0;
-    AImage_getPlanePixelStride(image, 0, &y_pixelStride);
-    AImage_getPlanePixelStride(image, 1, &u_pixelStride);
-    AImage_getPlanePixelStride(image, 2, &v_pixelStride);
-
-    int32_t y_rowStride = 0;
-    int32_t u_rowStride = 0;
-    int32_t v_rowStride = 0;
-    AImage_getPlaneRowStride(image, 0, &y_rowStride);
-    AImage_getPlaneRowStride(image, 1, &u_rowStride);
-    AImage_getPlaneRowStride(image, 2, &v_rowStride);
-
-    uint8_t* y_data = 0;
-    uint8_t* u_data = 0;
-    uint8_t* v_data = 0;
-    int y_len = 0;
-    int u_len = 0;
-    int v_len = 0;
-    AImage_getPlaneData(image, 0, &y_data, &y_len);
-    AImage_getPlaneData(image, 1, &u_data, &u_len);
-    AImage_getPlaneData(image, 2, &v_data, &v_len);
-
-    if (u_data == v_data + 1 && v_data == y_data + width * height && y_pixelStride == 1 && u_pixelStride == 2 && v_pixelStride == 2 && y_rowStride == width && u_rowStride == width && v_rowStride == width)
-    {
-        // already nv21  :)
-        ((NdkCamera*)context)->on_image((unsigned char*)y_data, (int)width, (int)height);
-    }
-    else
-    {
-        // construct nv21
-        unsigned char* nv21 = new unsigned char[width * height + width * height / 2];
-        {
-            // Y
-            unsigned char* yptr = nv21;
-            for (int y=0; y<height; y++)
-            {
-                const unsigned char* y_data_ptr = y_data + y_rowStride * y;
-                for (int x=0; x<width; x++)
-                {
-                    yptr[0] = y_data_ptr[0];
-                    yptr++;
-                    y_data_ptr += y_pixelStride;
-                }
-            }
-
-            // UV
-            unsigned char* uvptr = nv21 + width * height;
-            for (int y=0; y<height/2; y++)
-            {
-                const unsigned char* v_data_ptr = v_data + v_rowStride * y;
-                const unsigned char* u_data_ptr = u_data + u_rowStride * y;
-                for (int x=0; x<width/2; x++)
-                {
-                    uvptr[0] = v_data_ptr[0];
-                    uvptr[1] = u_data_ptr[0];
-                    uvptr += 2;
-                    v_data_ptr += v_pixelStride;
-                    u_data_ptr += u_pixelStride;
-                }
-            }
-        }
-
-        ((NdkCamera*)context)->on_image((unsigned char*)nv21, (int)width, (int)height);
-
-        delete[] nv21;
-    }
-
-    AImage_delete(image);
+    ((NdkCamera*)context)->onImageAvailable(reader);
 }
 
 static void onSessionActive(void* context, ACameraCaptureSession *session)
@@ -167,6 +75,8 @@ NdkCamera::NdkCamera(int32_t width, int32_t height)
     camera_facing = 0;
     camera_orientation = 0;
 
+    m_firstFrame = true;
+
     camera_manager = 0;
     camera_device = 0;
     image_reader = 0;
@@ -183,14 +93,13 @@ NdkCamera::NdkCamera(int32_t width, int32_t height)
 
         AImageReader_ImageListener listener;
         listener.context = this;
-        listener.onImageAvailable = onImageAvailable;
+        listener.onImageAvailable = ::onImageAvailable;
 
         AImageReader_setImageListener(image_reader, &listener);
 
         AImageReader_getWindow(image_reader, &image_reader_surface);
 
-        ANativeWindow_setBuffersGeometry(image_reader_surface, width, height,
-                                         WINDOW_FORMAT_RGBX_8888);
+        // ANativeWindow_setBuffersGeometry(image_reader_surface, width, height,WINDOW_FORMAT_RGBX_8888);
 
         ANativeWindow_acquire(image_reader_surface);
     }
@@ -297,6 +206,7 @@ int NdkCamera::open(const char* cameraId)
         ACameraManager_openCamera(camera_manager, camera_id.c_str(), &camera_device_state_callbacks, &camera_device);
     }
 
+    std::this_thread::sleep_for(std::chrono::milliseconds(128));
     // capture request
     {
         ACameraDevice_createCaptureRequest(camera_device, TEMPLATE_STILL_CAPTURE, &capture_request);
@@ -332,6 +242,7 @@ int NdkCamera::open(const char* cameraId)
         camera_capture_session_capture_callbacks.onCaptureBufferLost = 0;
 
         ACameraCaptureSession_setRepeatingRequest(capture_session, &camera_capture_session_capture_callbacks, 1, &capture_request, nullptr);
+        // ACameraCaptureSession_capture(capture_session, &camera_capture_session_capture_callbacks, 1, &capture_request,nullptr);
     }
 
     return 0;
@@ -385,6 +296,111 @@ void NdkCamera::close()
     }
 }
 
+void NdkCamera::onImageAvailable(AImageReader* reader)
+{
+    __android_log_print(ANDROID_LOG_WARN, "NdkCamera", "onImageAvailable %p", reader);
+
+    AImage* image = 0;
+    media_status_t status = AImageReader_acquireLatestImage(reader, &image);
+
+    if (status != AMEDIA_OK)
+    {
+        // error
+        return;
+    }
+
+    if (m_firstFrame)
+    {
+        // AImage_delete(image);
+        // m_firstFrame = false;
+        // return;
+    }
+
+
+    int32_t format;
+    AImage_getFormat(image, &format);
+
+    // ASSERT(format == AIMAGE_FORMAT_YUV_420_888);
+
+    int32_t width = 0;
+    int32_t height = 0;
+    AImage_getWidth(image, &width);
+    AImage_getHeight(image, &height);
+
+    int32_t y_pixelStride = 0;
+    int32_t u_pixelStride = 0;
+    int32_t v_pixelStride = 0;
+    AImage_getPlanePixelStride(image, 0, &y_pixelStride);
+    AImage_getPlanePixelStride(image, 1, &u_pixelStride);
+    AImage_getPlanePixelStride(image, 2, &v_pixelStride);
+
+    int32_t y_rowStride = 0;
+    int32_t u_rowStride = 0;
+    int32_t v_rowStride = 0;
+    AImage_getPlaneRowStride(image, 0, &y_rowStride);
+    AImage_getPlaneRowStride(image, 1, &u_rowStride);
+    AImage_getPlaneRowStride(image, 2, &v_rowStride);
+
+    uint8_t* y_data = 0;
+    uint8_t* u_data = 0;
+    uint8_t* v_data = 0;
+    int y_len = 0;
+    int u_len = 0;
+    int v_len = 0;
+    AImage_getPlaneData(image, 0, &y_data, &y_len);
+    AImage_getPlaneData(image, 1, &u_data, &u_len);
+    AImage_getPlaneData(image, 2, &v_data, &v_len);
+
+    if (u_data == v_data + 1 && v_data == y_data + width * height && y_pixelStride == 1 && u_pixelStride == 2 && v_pixelStride == 2 && y_rowStride == width && u_rowStride == width && v_rowStride == width)
+    {
+        // already nv21  :)
+        on_image((unsigned char*)y_data, (int)width, (int)height);
+    }
+    else
+    {
+        // construct nv21
+        unsigned char* nv21 = new unsigned char[width * height + width * height / 2];
+        {
+            // Y
+            unsigned char* yptr = nv21;
+            for (int y=0; y<height; y++)
+            {
+                const unsigned char* y_data_ptr = y_data + y_rowStride * y;
+                for (int x=0; x<width; x++)
+                {
+                    yptr[0] = y_data_ptr[0];
+                    yptr++;
+                    y_data_ptr += y_pixelStride;
+                }
+            }
+
+            // UV
+            unsigned char* uvptr = nv21 + width * height;
+            for (int y=0; y<height/2; y++)
+            {
+                const unsigned char* v_data_ptr = v_data + v_rowStride * y;
+                const unsigned char* u_data_ptr = u_data + u_rowStride * y;
+                for (int x=0; x<width/2; x++)
+                {
+                    uvptr[0] = v_data_ptr[0];
+                    uvptr[1] = u_data_ptr[0];
+                    uvptr += 2;
+                    v_data_ptr += v_pixelStride;
+                    u_data_ptr += u_pixelStride;
+                }
+            }
+        }
+
+        on_image((unsigned char*)nv21, (int)width, (int)height);
+
+        delete[] nv21;
+    }
+
+    AImage_delete(image);
+
+    ACameraCaptureSession_stopRepeating(capture_session);
+}
+
 void NdkCamera::on_image(const cv::Mat& rgb) const
 {
 }
@@ -424,16 +440,27 @@ void NdkCamera::on_image(const unsigned char* nv21, int nv21_width, int nv21_hei
         rotate_type = camera_facing == 0 ? 7 : 8;
     }
 
+
     cv::Mat nv21_rotated(h + h / 2, w, CV_8UC1);
     ncnn::kanna_rotate_yuv420sp(nv21, nv21_width, nv21_height, nv21_rotated.data, w, h, rotate_type);
 
+    if (nv21_rotated.empty())
+    {
+        int aa = 0;
+    }
     // nv21_rotated to rgb
     cv::Mat rgb(h, w, CV_8UC3);
     // ncnn::yuv420sp2rgb(nv21_rotated.data, w, h, rgb.data);
     ncnn::yuv420sp2rgb_nv12(nv21_rotated.data, w, h, rgb.data);
 
+    if (rgb.empty())
+    {
+        int aa = 0;
+
+    }
     // cv::Mat rgb(h, w, CV_8UC3);
     // ncnn::yuv420sp2rgb_nv12(nv21, w, h, rgb.data);
 
     on_image(rgb);
+
 }

app/src/main/cpp/camera2/ndkcamera.h

@@ -32,6 +32,7 @@ public:
     int open(const char* cameraId);
     void close();
 
+    void onImageAvailable(AImageReader* reader);
     virtual void on_image(const cv::Mat& rgb) const;
 
     virtual void on_image(const unsigned char* nv21, int nv21_width, int nv21_height) const;
@@ -39,6 +40,7 @@ public:
 public:
     int camera_facing;
     int camera_orientation;
+    bool m_firstFrame;
 
 private:
     ACameraManager* camera_manager;

app/src/main/java/com/xinyingpower/microphoto/MainActivity.java

@@ -61,6 +61,7 @@ public class MainActivity extends AppCompatActivity {
                         Manifest.permission.CAMERA,
                         Manifest.permission.WRITE_EXTERNAL_STORAGE,
                         Manifest.permission.FOREGROUND_SERVICE,
+                        Manifest.permission.READ_PHONE_STATE,
                         /*Manifest.permission.SET_TIME,*/
                 };
                 boolean needRequire  = false;

app/src/main/java/com/xinyingpower/microphoto/MicroPhotoService.java

@@ -1,5 +1,6 @@
 package com.xinyingpower.microphoto;
 
+import android.Manifest;
 import android.app.AlarmManager;
 import android.app.Notification;
 import android.app.NotificationChannel;
@@ -10,11 +11,23 @@ import android.content.BroadcastReceiver;
 import android.content.Context;
 import android.content.Intent;
 import android.content.IntentFilter;
+import android.content.pm.PackageManager;
+import android.net.ConnectivityManager;
+import android.net.NetworkInfo;
 import android.os.Environment;
 import android.os.IBinder;
 import android.os.SystemClock;
 
+import androidx.core.app.ActivityCompat;
 import androidx.core.app.NotificationCompat;
+
+import android.telephony.CellLocation;
+import android.telephony.PhoneStateListener;
+import android.telephony.ServiceState;
+import android.telephony.SignalStrength;
+import android.telephony.TelephonyManager;
+import android.telephony.cdma.CdmaCellLocation;
+import android.telephony.gsm.GsmCellLocation;
 import android.text.TextUtils;
 import android.text.format.DateFormat;
 import android.util.Log;
@@ -85,6 +98,7 @@ public class MicroPhotoService extends Service {
 
     private Map<Long, PendingIntent> mTimers = new HashMap<>();
     private static int stateService = STATE_SERVICE.NOT_CONNECTED;
+
     public MicroPhotoService() {
     }
 
@@ -101,6 +115,8 @@ public class MicroPhotoService extends Service {
         mNotificationManager = (NotificationManager) getSystemService(NOTIFICATION_SERVICE);
         stateService = STATE_SERVICE.NOT_CONNECTED;
 
+        getPhoneState(this.getApplicationContext());
+
         alarmReceiver = new AlarmReceiver(this);
         // 注册广播接受者
         IntentFilter intentFilter = new IntentFilter(ACTION_HEARTBEAT);
@@ -143,8 +159,10 @@ public class MicroPhotoService extends Service {
         // File path = getApplicationContext().getFilesDir();
         String appPath = path.getAbsolutePath();
         Log.i(TAG, "AppPath=" + appPath);
-        String ip = "180.166.218.222";
-        int port = 40032;
+        // String ip = "180.166.218.222";
+        // int port = 40032;
+        String ip = "192.168.137.102";
+        int port = 6891;
         String cmdid = "XYDEV100230100012";
         init(appPath, ip, port, cmdid);
 
@@ -167,17 +185,18 @@ public class MicroPhotoService extends Service {
     public static class AlarmReceiver extends BroadcastReceiver {
 
         private MicroPhotoService mService;
+
         public AlarmReceiver(MicroPhotoService service) {
             mService = service;
         }
+
         public void onReceive(Context context, Intent intent) {
             String action = intent.getAction();
             if (TextUtils.equals(ACTION_HEARTBEAT, action)) {
                 Log.i(TAG, "receiver ACTION=" + action);
                 mService.sendHeartbeat();
                 mService.registerHeartbeatTimer();
-            }
-            else if(TextUtils.equals(ACTION_TAKE_PHOTO, action)) {
+            } else if (TextUtils.equals(ACTION_TAKE_PHOTO, action)) {
                 long ts = intent.getLongExtra(EXTRA_PARAM_TIME, 0);
                 int cnt = intent.getIntExtra(EXTRA_PARAM_SCHEDULES, 0);
                 if (cnt > 0) {
@@ -201,8 +220,7 @@ public class MicroPhotoService extends Service {
                 long baseTime = nowTs - startTime;
 
                 mService.registerCaptureSchedule(startTime, baseTime);
-            }
-            else if(TextUtils.equals(ACTION_TAKE_PHOTO_MANUALLY, action)) {
+            } else if (TextUtils.equals(ACTION_TAKE_PHOTO_MANUALLY, action)) {
                 int channel = intent.getIntExtra(EXTRA_PARAM_CHANNEL, 0);
                 int preset = intent.getIntExtra(EXTRA_PARAM_PRESET, 0);
                 // long ts = intent.getLongExtra(EXTRA_PARAM_TIME, 0);
@@ -210,8 +228,7 @@ public class MicroPhotoService extends Service {
                 long ts = System.currentTimeMillis() / 1000;
 
                 mService.notifyToTakePhoto(channel, preset, ts, mService.buildPhotoDir(channel), mService.buildPhotoFileName(channel, preset, ts), photoOrVideo);
-            }
-            else if(TextUtils.equals(ACTION_TIMEOUT, action)) {
+            } else if (TextUtils.equals(ACTION_TIMEOUT, action)) {
                 long uid = intent.getLongExtra(EXTRA_PARAM_TIMER_UID, 0);
                 Log.i(TAG, "Timeout:" + uid);
                 mService.fireTimeout(uid);
@@ -235,6 +252,7 @@ public class MicroPhotoService extends Service {
         }
 
     }
+
     private void registerHeartbeatTimer() {
 
         // 创建延迟意图
@@ -248,6 +266,7 @@ public class MicroPhotoService extends Service {
         mNextHeartbeatTime = System.currentTimeMillis() + mHeartbeatDuration;
         // alarmManager.setExactAndAllowWhileIdle(AlarmManager.ELAPSED_REALTIME, SystemClock.elapsedRealtime() + timeout, pendingIntent);
     }
+
     private void registerPhotoTimer(int channel, int preset, long ts, long timeout, List<Long> schedules) {
 
         // 创建延迟意图
@@ -316,6 +335,7 @@ public class MicroPhotoService extends Service {
 
         return true;
     }
+
     private boolean registerCaptureSchedule(long startTime, long baseTime) {
 
         long[] photoTimeData = getPhotoTimeData();
@@ -416,6 +436,7 @@ public class MicroPhotoService extends Service {
 
         return START_NOT_STICKY;
     }
+
     private void connect() {
         // after 10 seconds its connected
         new android.os.Handler().postDelayed(
@@ -494,6 +515,124 @@ public class MicroPhotoService extends Service {
         return notificationBuilder.build();
     }
 
+    protected String getNetworkType() {
+
+        // ConnectionManager instance
+        ConnectivityManager connectivityManager = (ConnectivityManager) this.getSystemService(Context.CONNECTIVITY_SERVICE);
+        NetworkInfo ni = connectivityManager.getActiveNetworkInfo();
+
+        // If not connected, "-" will be displayed
+        if (ni == null || !ni.isConnected()) return "";
+
+        // If Connected to Wifi
+        if (ni.getType() == ConnectivityManager.TYPE_WIFI) return "WIFI";
+
+        // If Connected to Mobile
+        String subTypeName = "";
+        if (ni.getType() == ConnectivityManager.TYPE_MOBILE) {
+            int subType = ni.getSubtype();
+            switch (subType) {
+                case TelephonyManager.NETWORK_TYPE_GPRS:
+                case TelephonyManager.NETWORK_TYPE_EDGE:
+                case TelephonyManager.NETWORK_TYPE_CDMA:
+                case TelephonyManager.NETWORK_TYPE_1xRTT:
+                case TelephonyManager.NETWORK_TYPE_IDEN:
+                case TelephonyManager.NETWORK_TYPE_GSM:
+                    subTypeName = "2G";
+                    break;
+                case TelephonyManager.NETWORK_TYPE_UMTS:
+                case TelephonyManager.NETWORK_TYPE_EVDO_0:
+                case TelephonyManager.NETWORK_TYPE_EVDO_A:
+                case TelephonyManager.NETWORK_TYPE_HSDPA:
+                case TelephonyManager.NETWORK_TYPE_HSUPA:
+                case TelephonyManager.NETWORK_TYPE_HSPA:
+                case TelephonyManager.NETWORK_TYPE_EVDO_B:
+                case TelephonyManager.NETWORK_TYPE_EHRPD:
+                case TelephonyManager.NETWORK_TYPE_HSPAP:
+                case TelephonyManager.NETWORK_TYPE_TD_SCDMA:
+                    subTypeName = "3G";
+                    break;
+                case TelephonyManager.NETWORK_TYPE_LTE:
+                case TelephonyManager.NETWORK_TYPE_IWLAN:
+                case 19:
+                    subTypeName = "4G";
+                    break;
+                case TelephonyManager.NETWORK_TYPE_NR:
+                    subTypeName = "5G";
+                    break;
+                default:
+                    subTypeName = "";
+                    break;
+            }
+        }
+        return subTypeName;
+    }
+
+    public static void getPhoneState(Context context) {
+        final TelephonyManager telephonyManager = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);
+        PhoneStateListener MyPhoneListener = new PhoneStateListener() {
+            @Override
+            //获取对应网络的ID，这个方法在这个程序中没什么用处
+            public void onCellLocationChanged(CellLocation location) {
+                if (location instanceof GsmCellLocation) {
+                    int CID = ((GsmCellLocation) location).getCid();
+                } else if (location instanceof CdmaCellLocation) {
+                    int ID = ((CdmaCellLocation) location).getBaseStationId();
+                }
+            }
+
+            //系统自带的服务监听器，实时监听网络状态
+            @Override
+            public void onServiceStateChanged(ServiceState serviceState) {
+                super.onServiceStateChanged(serviceState);
+            }
+
+            //这个是我们的主角，就是获取对应网络信号强度
+            @Override
+            public void onSignalStrengthsChanged(SignalStrength signalStrength) {
+                //这个ltedbm 是4G信号的值
+                String signalinfo = signalStrength.toString();
+                String[] parts = signalinfo.split(" ");
+                String ltedbm = parts[9];
+                //这个dbm 是2G和3G信号的值
+                int asu = signalStrength.getGsmSignalStrength();
+                int dbm = -113 + 2 * asu;
+
+                if (telephonyManager.getNetworkType() == TelephonyManager.NETWORK_TYPE_LTE) {
+                    Log.i("NetWorkUtil", "网络：LTE 信号强度：" + ltedbm + "======Detail:" + signalinfo);
+                } else if (telephonyManager.getNetworkType() == TelephonyManager.NETWORK_TYPE_HSDPA ||
+                        telephonyManager.getNetworkType() == TelephonyManager.NETWORK_TYPE_HSPA ||
+                        telephonyManager.getNetworkType() == TelephonyManager.NETWORK_TYPE_HSUPA ||
+                        telephonyManager.getNetworkType() == TelephonyManager.NETWORK_TYPE_UMTS) {
+                    String bin;
+                    if (dbm > -75) {
+                        bin = "网络很好";
+                    } else if (dbm > -85) {
+                        bin = "网络不错";
+                    } else if (dbm > -95) {
+                        bin = "网络还行";
+                    } else if (dbm > -100) {
+                        bin = "网络很差";
+                    } else {
+                        bin = "网络错误";
+                    }
+                    Log.i("NetWorkUtil", "网络：WCDMA 信号值：" + dbm + "========强度：" + bin + "======Detail:" + signalinfo);
+                } else {
+                    String bin;
+                    if (asu < 0 || asu >= 99) bin = "网络错误";
+                    else if (asu >= 16) bin = "网络很好";
+                    else if (asu >= 8) bin = "网络不错";
+                    else if (asu >= 4) bin = "网络还行";
+                    else bin = "网络很差";
+                    Log.i("NetWorkUtil", "网络：GSM 信号值：" + dbm + "========强度：" + bin + "======Detail:" + signalinfo);
+                }
+                super.onSignalStrengthsChanged(signalStrength);
+            }
+        };
+        telephonyManager.listen(MyPhoneListener, PhoneStateListener.LISTEN_SIGNAL_STRENGTHS);
+    }
+
+
     /*
     public boolean takePhoto(short channel, short preset, String path) {