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系统实时定位

master
zhaodengke 1 day ago
parent
25ca6eb217
commit
99654f3554
4 changed files with 871 additions and 0 deletions
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  1. +25
    -0
      app/src/main/java/com/nsgk/ruralWeb/location/NSLocationInfo.java
  2. +369
    -0
      app/src/main/java/com/nsgk/ruralWeb/location/NSRealtimeLocation.java
  3. +189
    -0
      app/src/main/java/com/nsgk/ruralWeb/location/NSSystemLocation.java
  4. +288
    -0
      app/src/main/java/com/nsgk/ruralWeb/web/NSEnvWindowObject.java

+ 25
- 0
app/src/main/java/com/nsgk/ruralWeb/location/NSLocationInfo.java View File

@@ -0,0 +1,25 @@
package com.nsgk.ruralWeb.location;

public final class NSLocationInfo
{
public final String provider;
public final double longitude;
public final double latitude;

public NSLocationInfo(String provider, double longitude, double latitude)
{
this.provider = provider;
this.longitude = longitude;
this.latitude = latitude;
}

@Override
public String toString()
{
return "定位信息: " +
"提供器=" + provider +
"; 经度=" + longitude +
"; 纬度=" + latitude
;
}
}

+ 369
- 0
app/src/main/java/com/nsgk/ruralWeb/location/NSRealtimeLocation.java View File

@@ -0,0 +1,369 @@
package com.nsgk.ruralWeb.location;

import android.annotation.SuppressLint;
import android.content.Context;
import android.location.Location;
import android.location.LocationListener;
import android.location.LocationManager;
import android.os.HandlerThread;
import android.os.Looper;
import android.util.Log;

import androidx.annotation.NonNull;

import com.amap.api.location.AMapLocation;
import com.amap.api.location.AMapLocationClient;
import com.amap.api.location.AMapLocationClientOption;
import com.amap.api.location.AMapLocationListener;
import com.amap.api.location.CoordinateConverter;
import com.amap.api.location.DPoint;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.concurrent.atomic.AtomicInteger;

// 主线程调用, 无线程安全
public class NSRealtimeLocation implements LocationListener
{
// 定位提供器
public static final int FLAG_PROVIDER_NETWORK = 1; // 网络定位
public static final int FLAG_PROVIDER_GPS = 1 << 1; // GPS定位

// 定位提供器优先级
public static final int FLAG_PRIORITY_NETWORK = 1 << 2; // 网络定位优先
public static final int FLAG_PRIORITY_GPS = 1 << 3; // GPS定位优先

// 线程
public static final int FLAG_BUILTIN_THREAD = 1 << 4; // 使用内建线程
public static final int FLAG_CUSTOM_THREAD = 1 << 5; // 使用外部线程
public static final int FLAG_MAIN_THREAD = 1 << 6; // 使用主线程

public static final int DEFAULT_FLAG = FLAG_PROVIDER_NETWORK | FLAG_PROVIDER_GPS | FLAG_PRIORITY_NETWORK;


public static final int OPTION_MIN_TIME = 1; // 最小定位间隔(毫秒) 默认60000
public static final int OPTION_MIN_DISTANCE = 2; // 最小定位距离变化(米) 默认10

private static final int DEFAULT_MIN_TIME = 1000;
private static final int DEFAULT_MIN_DISTANCE = 1;

private static final String ID_TAG = NSRealtimeLocation.class.getName();

private final Object m_lock = new Object();

private LocationManager m_locationManager;
private final Context m_context;
private int m_flag = DEFAULT_FLAG;
private NSLocationInfo m_lastLocation = null;
private HandlerThread m_thread = null;
private Looper m_customLooper = null;
private AtomicInteger m_readOnce = new AtomicInteger(-1);
private Map<Integer, Object> m_options = new HashMap<>();
private String m_provider = null;
private Looper m_looper = null;

public NSRealtimeLocation(Context context)
{
m_context = context;
}

public boolean Init(int flag)
{
if(IsInitialized())
{
Log.e(ID_TAG, "定位已初始化");
return true;
}

if(!HasFlag(FLAG_PROVIDER_NETWORK | FLAG_PROVIDER_GPS))
{
Log.e(ID_TAG, "请设置定位提供器");
return false;
}

try
{
m_readOnce.set(-1);
m_flag = flag < 0 ? DEFAULT_FLAG : flag;

m_locationManager = (LocationManager) m_context.getSystemService(Context.LOCATION_SERVICE);

//初始化定位
if(HasFlag(FLAG_BUILTIN_THREAD))
{
m_thread = new HandlerThread("系统实时内建定位");
m_thread.start();
m_looper = m_thread.getLooper();
Log.d(ID_TAG, "定位使用内建线程: " + m_thread.getId());
}
else if(HasFlag(FLAG_CUSTOM_THREAD))
{
if(null == m_customLooper)
{
throw new RuntimeException("请先传入线程Looper");
}
m_looper = m_customLooper;
Log.d(ID_TAG, "定位使用用户指定线程: " + m_customLooper.getThread().getId());
}
else if(HasFlag(FLAG_MAIN_THREAD))
{
Looper mainLooper = Looper.getMainLooper();
m_looper = mainLooper;
Log.d(ID_TAG, "定位使用主线程: " + mainLooper.getThread().getId());
}
else
{
m_looper = Looper.myLooper();
Log.d(ID_TAG, "定位使用当前线程: " + Thread.currentThread().getId());
}

Log.i(ID_TAG, "定位初始化完成");
return true;
}
catch(Exception e)
{
e.printStackTrace();
m_locationManager = null;
return false;
}
}

public void SetThread(Looper looper)
{
CheckInitialization(false);
m_customLooper = looper;
}

public void SetThread(HandlerThread thread)
{
CheckInitialization(false);
m_customLooper = thread.getLooper();
}

public boolean IsRunning()
{
return IsInitialized() && null != m_provider;
}

public void Start()
{
Run(-1);
}

public void Stop()
{
CheckInitialization(true);

m_locationManager.removeUpdates(this);
m_provider = null;

Log.i(ID_TAG, "定位停止");
}

public void Shutdown()
{
if(!IsInitialized())
{
Log.e(ID_TAG, "请先初始化");
return;
}

Stop();

m_locationManager = null;
if(null != m_thread)
{
m_thread.quit();
m_thread = null;
Log.d(ID_TAG, "内建线程结束");
}

Log.i(ID_TAG, "定位销毁");
}

public boolean IsInitialized()
{
return null != m_locationManager;
}

private void CheckInitialization(boolean inited)
{
if(IsInitialized() != inited)
{
String msg = inited ? "定位未初始化" : "定位已初始化";
Log.e(ID_TAG, msg);
throw new RuntimeException(msg);
}
}

private boolean HasFlag(int f)
{
return (m_flag & f) != 0;
}

public void SetOption(int type, Object value)
{
//CheckInitialization(false);
m_options.put(type, value);
}

@SuppressLint("unchecked")
private <T> T GetOption(int type, T def)
{
Object o = m_options.get(type);
if(null == o)
return def;
return (T) o;
}

private void InitOptions()
{
List<String> providers = new ArrayList<>();
m_provider = null;
if(HasFlag(FLAG_PROVIDER_NETWORK))
{
if(m_locationManager.isProviderEnabled(LocationManager.NETWORK_PROVIDER))
providers.add(LocationManager.NETWORK_PROVIDER);
else
Log.w(ID_TAG, "网络定位提供器未启用");
}
if(HasFlag(FLAG_PROVIDER_GPS))
{
if(m_locationManager.isProviderEnabled(LocationManager.GPS_PROVIDER))
providers.add(LocationManager.GPS_PROVIDER);
else
Log.w(ID_TAG, "GPS定位提供器未启用");
}
if(providers.isEmpty())
throw new RuntimeException("无定位提供器");

if(HasFlag(FLAG_PRIORITY_NETWORK))
{
if(providers.contains(LocationManager.NETWORK_PROVIDER))
m_provider = LocationManager.NETWORK_PROVIDER;
else
m_provider = LocationManager.GPS_PROVIDER;
}
else if(HasFlag(FLAG_PRIORITY_GPS))
{
if(providers.contains(LocationManager.GPS_PROVIDER))
m_provider = LocationManager.GPS_PROVIDER;
else
m_provider = LocationManager.NETWORK_PROVIDER;
}
/* else
{
if(providers.contains(LocationManager.NETWORK_PROVIDER))
m_provider = LocationManager.NETWORK_PROVIDER;
else
m_provider = LocationManager.GPS_PROVIDER;
}*/

if(null == m_provider)
throw new RuntimeException("未确定定位提供器");

Log.i(ID_TAG, "使用定位器: " + m_provider);
}

@SuppressLint("MissingPermission")
private void Run(int num)
{
CheckInitialization(true);

Stop();

m_readOnce.set(num);

InitOptions();

int minTime = GetOption(OPTION_MIN_TIME, DEFAULT_MIN_TIME);
int minDistance = GetOption(OPTION_MIN_DISTANCE, DEFAULT_MIN_DISTANCE);
m_locationManager.requestLocationUpdates(m_provider, minTime, minDistance, this, m_looper);

Location lastKnownLocation = m_locationManager.getLastKnownLocation(m_provider);
SetLastLocation(lastKnownLocation);

Log.i(ID_TAG, "定位开始");
}

private void SetLastLocation(Location location)
{
if(null != location)
{
m_lastLocation = new NSLocationInfo(location.getProvider(), location.getLongitude(), location.getLatitude());
}
else
{
m_lastLocation = null;
}
}

/**
* 同步调用, 会锁住线程
*/
public NSLocationInfo Read(int count)
{
CheckInitialization(true);
/* if(IsRunning())
{
throw new RuntimeException("请先停止定位");
}*/

Log.d(ID_TAG, "定位线程: " + Thread.currentThread().getId());
synchronized(m_lock)
{
try
{
CleanLastLocation();
Run(count);
m_lock.wait();
}
catch(Exception e)
{
throw new RuntimeException(e);
}
finally
{
Stop();
}
}
return m_lastLocation;
}

public NSLocationInfo GetLastLocation()
{
return m_lastLocation;
}

public void CleanLastLocation()
{
m_lastLocation = null;
}

/*
在调用线程中执行
*/
@Override
public void onLocationChanged(@NonNull Location location)
{
Log.d(ID_TAG, "onLocationChanged线程: " + Thread.currentThread().getId());
System.err.println(location);
SetLastLocation(location);
//if(null != location)
{
if(m_readOnce.get() > 0)
{
m_readOnce.decrementAndGet();
if(m_readOnce.get() == 0)
{
synchronized(m_lock)
{
m_lock.notifyAll();
}
}
}
}
}
}

+ 189
- 0
app/src/main/java/com/nsgk/ruralWeb/location/NSSystemLocation.java View File

@@ -0,0 +1,189 @@
package com.nsgk.ruralWeb.location;

import android.annotation.SuppressLint;
import android.app.Activity;
import android.content.Context;
import android.location.Criteria;
import android.location.Location;
import android.location.LocationManager;
import android.os.Build;
import android.util.Log;
import android.widget.Toast;

import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.concurrent.CompletableFuture;

public class NSSystemLocation
{
private static final String ID_TAG = NSSystemLocation.class.getName();
public static final String FUSED_PROVIDER = "fused";

private final Context m_context;
private NSLocationInfo m_lastLocation = null;

public NSSystemLocation(Context context)
{
m_context = context;
}

public NSLocationInfo GetLocation(String provider)
{
NSLocationInfo loc;

try
{
loc = GetHighLocation(provider);
if(null == loc)
loc = GetLastLocation(provider);

if(null != loc)
m_lastLocation = loc;
else
ShowToast("定位失败, 请先开启位置服务", Toast.LENGTH_LONG);

return loc;
}
catch(Throwable e)
{
e.printStackTrace();
throw new RuntimeException(e);
}
}

@SuppressLint("MissingPermission")
private NSLocationInfo GetLastLocation(final String type)
{
NSLocationInfo loc = null;
try
{
LocationManager lm = (LocationManager) m_context.getSystemService(Context.LOCATION_SERVICE);

List<String> allProviders = lm.getAllProviders();
Log.i(ID_TAG, "使用最近所有定位提供器: " + allProviders);
Map<String, NSLocationInfo> map = new HashMap<>();
for(String provider : allProviders)
{
Location lastKnownLocation = lm.getLastKnownLocation(provider);
if(null == lastKnownLocation)
continue;
NSLocationInfo l = new NSLocationInfo(provider, lastKnownLocation.getLongitude(), lastKnownLocation.getLatitude());
map.put(provider, l);
}

Log.i(ID_TAG, "最近定位提供器结果: " + map);
if(null != type && !type.isEmpty() && map.containsKey(type))
loc = map.get(type);
else if(map.containsKey(LocationManager.GPS_PROVIDER))
loc = map.get(LocationManager.GPS_PROVIDER);
else if(map.containsKey(LocationManager.NETWORK_PROVIDER))
loc = map.get(LocationManager.NETWORK_PROVIDER);
else if(map.containsKey(FUSED_PROVIDER))
loc = map.get(FUSED_PROVIDER);
else if(map.containsKey(LocationManager.PASSIVE_PROVIDER))
loc = map.get(LocationManager.PASSIVE_PROVIDER);
if(null == loc)
Log.i(ID_TAG, "所有提供器无最近定位");
else
Log.i(ID_TAG, "使用提供器最近定位: " + loc.provider);
}
catch(Throwable e)
{
e.printStackTrace();
}
return loc;
}

@SuppressLint("MissingPermission")
private NSLocationInfo GetHighLocation(String provider)
{
if(Build.VERSION.SDK_INT < Build.VERSION_CODES.R)
{
return null;
}

NSLocationInfo loc = null;
try
{
LocationManager lm = (LocationManager) m_context.getSystemService(Context.LOCATION_SERVICE);
if(null != provider)
{
if(LocationManager.GPS_PROVIDER.equals(provider))
{
if(!lm.isProviderEnabled(provider))
{
Log.w(ID_TAG, "GPS定位提供器未启用, 尝试网络定位器");
provider = LocationManager.NETWORK_PROVIDER;
if(!lm.isProviderEnabled(provider))
{
Log.w(ID_TAG, "网络定位提供器也未启用");
provider = null;
}
}
}
else if(LocationManager.NETWORK_PROVIDER.equals(provider))
{
Log.w(ID_TAG, "网络定位提供器未启用, 尝试GPS定位器");
if(!lm.isProviderEnabled(provider))
{
provider = LocationManager.GPS_PROVIDER;
if(!lm.isProviderEnabled(provider))
{
Log.w(ID_TAG, "GPS定位提供器也未启用");
provider = null;
}
}
}
}

if(null == provider)
{
Criteria criteria = new Criteria();
criteria.setAccuracy(Criteria.ACCURACY_FINE); // 高精度
// criteria.setPowerRequirement(Criteria.POWER_HIGH);
// criteria.setAltitudeRequired(false);
provider = lm.getBestProvider(criteria, true);
}
Log.i(ID_TAG, "使用高精度定位提供器: " + provider);

if(null == provider)
{
Log.i(ID_TAG, "无法获取高精度定位提供器");
return null;
}

CompletableFuture<Location> future = new CompletableFuture<>();
lm.getCurrentLocation(provider, null, m_context.getMainExecutor(), future::complete);
Location location = future.get();
if(null == location)
{
Log.i(ID_TAG, "无法使用高精度提供器定位");
return null;
}
loc = new NSLocationInfo(provider, location.getLongitude(), location.getLatitude());
Log.i(ID_TAG, "使用高精度提供器获取定位: " + loc);
}
catch(Throwable e)
{
e.printStackTrace();
}
return loc;
}

private void ShowToast(final String message, int duration)
{
((Activity)m_context).runOnUiThread((new Runnable() {
@Override
public void run()
{
Toast.makeText(m_context, message, duration).show();
}
}));
}

public NSLocationInfo GetLastLocation()
{
return m_lastLocation;
}
}

+ 288
- 0
app/src/main/java/com/nsgk/ruralWeb/web/NSEnvWindowObject.java View File

@@ -0,0 +1,288 @@
package com.nsgk.ruralWeb.web;

import android.app.Activity;

import android.Manifest;
import android.content.Context;
import android.content.pm.PackageManager;
import android.location.LocationManager;
import android.os.Handler;
import android.util.Log;
import android.webkit.JavascriptInterface;
import android.webkit.ValueCallback;
import android.webkit.WebView;
import android.widget.Toast;

import androidx.core.app.ActivityCompat;

import com.nsgk.ruralWeb.FullscreenActivity;
import com.nsgk.ruralWeb.enums.NSEnums;
import com.nsgk.ruralWeb.location.NSLocationInfo;
import com.nsgk.ruralWeb.location.NSAMapLocation;
import com.nsgk.ruralWeb.location.NSRealtimeLocation;
import com.nsgk.ruralWeb.location.NSSystemLocation;
import com.nsgk.ruralWeb.sys.NSConstants;
import com.nsgk.ruralWeb.sys.NSPreference;
import com.nsgk.ruralWeb.utils.NSContextUtils;

public class NSEnvWindowObject
{
private static final String ID_TAG = NSEnvWindowObject.class.getName();
private static final String FUSED_PROVIDER = "fused";

private final Handler m_handler;
private final Context m_context;
private final WebView m_webView;

private final NSSystemLocation location;

private final NSAMapLocation amapLocation;
private final NSRealtimeLocation realtimeLocation;
private final NSPreference preference;
// 最近一次获取到的定位坐标, 如果获取定位失败则返回此值. 可能不需要, 因为PASSIVE_PROVIDER就为最近的定位
private String lastLocation = null;

public NSEnvWindowObject(Context context, Handler handler, WebView webView)
{
m_context = context;
m_handler = handler;
m_webView = webView;
location = new NSSystemLocation(m_context);
amapLocation = new NSAMapLocation(m_context);
realtimeLocation = new NSRealtimeLocation(m_context);
preference = new NSPreference(m_context);
}

public void OnDestroy()
{
if(amapLocation.IsInitialized())
amapLocation.Shutdown();
if(realtimeLocation.IsInitialized())
realtimeLocation.Shutdown();
}

@JavascriptInterface
public void Toast(final String message)
{
ShowToast(message, Toast.LENGTH_LONG);
}

private void ShowToast(final String message, int duration)
{
RunOnUIThread(new Runnable() {
@Override
public void run()
{
Toast.makeText(m_context, message, duration).show();
}
});
}

@JavascriptInterface
public void Log(final String message)
{
Log.i(ID_TAG, message);
}

@JavascriptInterface
public String GetLocation(final String type)
{
Log.d(ID_TAG, "Web线程: " + Thread.currentThread().getId());

if(!CheckLocationPermission())
{
return lastLocation;
}

NSLocationInfo loc;
String location = preference.GetString(NSPreference.LOCATION_SCHEME, NSConstants.DEFAULT_LOCATION_SCHEME);
String provider = preference.GetString(NSPreference.LOCATION_PROVIDER, NSConstants.DEFAULT_LOCATION_PROVIDER);
Log.d(ID_TAG, "定位提供器: " + provider);
switch(location)
{
case NSEnums.LocationScheme.GAODE:
loc = GetAMapLocation();
if(null == loc)
loc = GetBuiltInLocation(provider);
break;
case NSEnums.LocationScheme.REALTIME:
loc = GetRealtimeLocation();
if(null == loc)
loc = GetBuiltInLocation(provider);
break;
case NSEnums.LocationScheme.SYSTEM:
default:
loc = GetBuiltInLocation(provider);
break;
}

return SetLastLocation(loc);
}

private String ReturnLocation(NSLocationInfo loc)
{
return loc.longitude + "," + loc.latitude;
}

private String SetLastLocation(NSLocationInfo loc)
{
if(null != loc)
lastLocation = ReturnLocation(loc);
return lastLocation;
}

private NSLocationInfo GetBuiltInLocation(String type)
{
Log.i(ID_TAG, "使用系统定位");
NSLocationInfo loc = null;
try
{
long start = System.currentTimeMillis();
loc = location.GetLocation(type);
long end = System.currentTimeMillis();
Log.i(ID_TAG, "系统定位结果: " + loc + ", 耗时=" + (end - start) + "毫秒");
}
catch(Throwable e)
{
e.printStackTrace();
}
return loc;
}

private NSLocationInfo GetRealtimeLocation()
{
Log.i(ID_TAG, "使用系统实时定位");
NSLocationInfo loc = null;
try
{
NSPreference preference = new NSPreference(m_context);
if(!realtimeLocation.IsInitialized())
{
realtimeLocation.SetOption(NSRealtimeLocation.OPTION_MIN_TIME, preference.GetIntFromString(NSPreference.LOCATION_REALTIME_INTERVAL, NSConstants.DEFAULT_LOCATION_REALTIME_INTERVAL));
realtimeLocation.SetOption(NSRealtimeLocation.OPTION_MIN_DISTANCE, preference.GetIntFromString(NSPreference.LOCATION_REALTIME_DISTANCE, NSConstants.DEFAULT_LOCATION_REALTIME_DISTANCE));
int flag = NSRealtimeLocation.DEFAULT_FLAG | NSRealtimeLocation.FLAG_BUILTIN_THREAD;
String provider = preference.GetString(NSPreference.LOCATION_PROVIDER, NSConstants.DEFAULT_LOCATION_PROVIDER);
if(LocationManager.GPS_PROVIDER.equals(provider))
{
flag &= ~NSRealtimeLocation.FLAG_PRIORITY_NETWORK;
flag |= NSRealtimeLocation.FLAG_PRIORITY_GPS;
}
realtimeLocation.Init(flag);
}
long start = System.currentTimeMillis();
loc = realtimeLocation.Read(preference.GetIntFromString(NSPreference.LOCATION_REALTIME_READ_COUNT, NSConstants.DEFAULT_LOCATION_REALTIME_READ_COUNT));
long end = System.currentTimeMillis();
Log.i(ID_TAG, "系统实时定位结果: " + loc + ", 耗时=" + (end - start) + "毫秒");
}
catch(Throwable e)
{
e.printStackTrace();
}
return loc;
}

public NSLocationInfo GetAMapLocation()
{
Log.i(ID_TAG, "使用高德定位");
NSLocationInfo loc = null;
try
{
NSPreference preference = new NSPreference(m_context);
if(!amapLocation.IsInitialized())
{
amapLocation.SetOption(NSAMapLocation.OPTION_INTERVAL, preference.GetIntFromString(NSPreference.LOCATION_GAODE_INTERVAL, NSConstants.DEFAULT_LOCATION_GAODE_INTERVAL));
amapLocation.Init(NSAMapLocation.DEFAULT_FLAG | NSAMapLocation.FLAG_BUILTIN_THREAD);
}
long start = System.currentTimeMillis();
loc = amapLocation.Read(preference.GetIntFromString(NSPreference.LOCATION_GAODE_READ_COUNT, NSConstants.DEFAULT_LOCATION_GAODE_READ_COUNT));
long end = System.currentTimeMillis();
Log.i(ID_TAG, "高德定位结果: " + loc + ", 耗时=" + (end - start) + "毫秒");
}
catch(Throwable e)
{
e.printStackTrace();
}
return loc;
}

private boolean CheckLocationPermission()
{
if(ActivityCompat.checkSelfPermission(m_context, Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED && ActivityCompat.checkSelfPermission(m_context, Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED)
{
Activity activity = (Activity) m_context;

if (activity.shouldShowRequestPermissionRationale(Manifest.permission.ACCESS_FINE_LOCATION) && activity.shouldShowRequestPermissionRationale(Manifest.permission.ACCESS_COARSE_LOCATION)) // do not ask
{
Toast.makeText(m_context, "请先允许定位服务", Toast.LENGTH_LONG).show();
NSContextUtils.RequestLocationPermission(activity, FullscreenActivity.PERMISSION_LOCATION_REQUEST_CODE);
}
else
{
activity.requestPermissions(new String[] { Manifest.permission.ACCESS_FINE_LOCATION, Manifest.permission.ACCESS_COARSE_LOCATION }, FullscreenActivity.PERMISSION_LOCATION_REQUEST_CODE);
}

return false;
}
else
return true;
}

protected void RunOnUIThread(Runnable runnable)
{
if(null != m_handler)
m_handler.post(runnable);
else if(m_context instanceof Activity)
((Activity)m_context).runOnUiThread(runnable);
else
{
Log.e(ID_TAG, "无法在UI线程中执行");
}
}

protected void CallJSFunc(final String func, Object...args)
{
StringBuilder sb = new StringBuilder();
for(int i = 0; i < args.length; i++)
{
sb.append("'").append(args[i].toString()).append("'");
if(i < args.length - 1)
sb.append(", ");
}
final String arg = sb.toString();
RunOnUIThread(new Runnable() {
@Override
public void run()
{
String script = "javascript:typeof(" + func + ") == 'function' && " + func + "(" + arg + ");";
Log.e(ID_TAG, String.format("调用js函数: 函数(%s), 参数(%s)", func, arg));
m_webView.evaluateJavascript(script, new ValueCallback<String>() {
@Override
public void onReceiveValue(String value) {
Log.e(ID_TAG, String.format("js函数 %s 返回: %s", func, value));
}
});
}
});
}

protected void CallJSFunc_beforeAndroid4_4(final String func, Object...args)
{
StringBuilder sb = new StringBuilder();
for(int i = 0; i < args.length; i++)
{
sb.append("'").append(args[i].toString()).append("'");
if(i < args.length - 1)
sb.append(", ");
}
final String arg = sb.toString();
RunOnUIThread(new Runnable() {
@Override
public void run() {
Log.e(ID_TAG, String.format("调用js函数: 函数(%s), 参数(%s)", func, arg));
String script = "javascript:typeof(" + func + ") == 'function' && " + func + "(" + arg + ");";
Log.e(ID_TAG, script);
m_webView.loadUrl(script, null);
}
});
}
}

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