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/**
 * 判断手机GPS是否开启
 * @param mainActivity
 * @return
 */
public boolean isOpen(Context context) {locationManager = (LocationManager) context.getSystemService(Context.LOCATION_SERVICE);//通过GPS卫星定位,定位级别到街boolean gps = locationManager.isProviderEnabled(LocationManager.GPS_PROVIDER);//通过WLAN或者移动网络确定位置boolean network = locationManager.isProviderEnabled(LocationManager.NETWORK_PROVIDER);if (gps || network) {return true;}return false;
}

/**
 * 开启手机GPS
 */
public void openGPS(Context context) {Intent GPSIntent = new Intent();GPSIntent.setClassName("com.android.settings", "com.android.settings.widget.SettingsAppWidgetProvide");GPSIntent.addCategory("android.intent.category.ALTERNATIVE");GPSIntent.setData(Uri.parse("custom:3"));try {//使用PendingIntent发送广播告诉手机去开启GPS功能PendingIntent.getBroadcast(context, 0, GPSIntent, 0).send();} catch (PendingIntent.CanceledException e) {e.printStackTrace();}
}

/**
 * GPS功能已经打开-->根据GPS去获取经纬度
 */
public void getGPSConfi() {Location location;if (locationManager.isProviderEnabled(LocationManager.NETWORK_PROVIDER)) {locationManager.requestLocationUpdates(LocationManager.NETWORK_PROVIDER, 1000, 0, locationListener);location = locationManager.getLastKnownLocation(LocationManager.NETWORK_PROVIDER);} else {locationManager.requestLocationUpdates(LocationManager.GPS_PROVIDER, 1000, 0, locationListener);location = locationManager.getLastKnownLocation(LocationManager.GPS_PROVIDER);}if (location != null) {double latitude = location.getLatitude();double longitude = location.getLongitude();tv_content.setText("经纬度:" + latitude + "--" + longitude);} else {tv_content.setText("未获取到经纬度数据");}
}

<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
<uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
<uses-permission android:name="android.permission.CHANGE_WIFI_STATE" />
<uses-permission android:name="android.permission.INTERNET" />

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