大二下第5周总结

本周通过继承高德api完成了地址定位

 static String address = "定位失败";
    private static final String[] authBaseArr = {//申请类型
            Manifest.permission.ACCESS_FINE_LOCATION,
            Manifest.permission.ACCESS_COARSE_LOCATION
    };
    private static final int authBaseRequestCode = 1;
    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        getMenuInflater().inflate(R.menu.menu,menu);
        return  true;
    }
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_daohanglan);

        ActionBar bar =  getSupportActionBar();
        //自定义一个布局，并居中
        bar.setDisplayShowCustomEnabled(true);
        View v = LayoutInflater.from(getApplicationContext()).inflate(R.layout.actionbar, null);
        bar.setCustomView(v, new ActionBar.LayoutParams(ActionBar.LayoutParams.MATCH_PARENT, ActionBar.LayoutParams.MATCH_PARENT));
        LocationManager locationManager = (LocationManager) getSystemService(LOCATION_SERVICE);
        initNavi();
        if (ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED && ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
            // TODO: Consider calling
            return;
        }
        locationManager.requestLocationUpdates(
                LocationManager.GPS_PROVIDER,//指定GPS定位提供者
                1000,//指定数据更新的间隔时间
                1,//位置间隔的距离为1m
                new LocationListener() {//监听GPS信息是否改变
                    @Override
                    public void onLocationChanged(Location location) {//GPS信息发送改变时回调
                        Log.i("lgq","onLocationChanged===="+location.getProvider());
                    }

                    @Override
                    public void onStatusChanged(String provider, int status, Bundle extras) {//GPS状态发送改变时回调

                    }

                    @Override
                    public void onProviderEnabled(String provider) { //定位提供者启动时回调

                    }

                    @Override
                    public void onProviderDisabled(String provider) { //定位提供者关闭时回调

                    }
                }
        );
        Location location = locationManager.getLastKnownLocation(LocationManager.GPS_PROVIDER);//获取最新的定位信息
        if (location==null){
            locationManager.requestLocationUpdates(
                    LocationManager.NETWORK_PROVIDER,//指定GPS定位提供者
                    5000,//指定数据更新的间隔时间
                    10,//位置间隔的距离为1m
                    new LocationListener() {//监听GPS信息是否改变
                        @Override
                        public void onLocationChanged(Location location) {//GPS信息发送改变时回调
                            Log.i("lgq","onLocationChanged===="+location.getProvider());
                        }

                        @Override
                        public void onStatusChanged(String provider, int status, Bundle extras) {//GPS状态发送改变时回调

                        }

                        @Override
                        public void onProviderEnabled(String provider) { //定位提供者启动时回调

                        }

                        @Override
                        public void onProviderDisabled(String provider) { //定位提供者关闭时回调

                        }
                    }
            );
            location = locationManager.getLastKnownLocation(LocationManager.NETWORK_PROVIDER);//获取最新的定位信息
        }
        locationUpdates(location);
        init();
        initHomePage();
        new Thread(new Runnable() {
            @Override
            public void run() {
                getWindow().getDecorView() .postInvalidate();
            }
        }).start();
    }

    private void initNavi() {
        if (android.os.Build.VERSION.SDK_INT >= 23) {
            if (!hasBasePhoneAuth()) {
                this.requestPermissions(authBaseArr, authBaseRequestCode);
                return;
            }
        }
    }
    private boolean hasBasePhoneAuth() {
        PackageManager pm = getPackageManager();
        for (String auth : authBaseArr) {
            if (pm.checkPermission(auth, getPackageName()) != PackageManager.PERMISSION_GRANTED) {
                return false;
            }
        }
        return true;
    }
    public void locationUpdates(Location location){
        if(location != null){
            StringBuilder stringBuilder = new StringBuilder(); //构建一个字符串构建器，用于记录定位信息
            stringBuilder.append("经度：");
            stringBuilder.append(location.getLongitude());
            stringBuilder.append("\n纬度：");
            stringBuilder.append(location.getLatitude());
            String ab = getAddress(location.getLatitude(),location.getLongitude());
            address=ab;
        }
        else{
            address="GPS失效啦！";
        }
    }
    public String getAddress(double latitude, double longitude) {
        Geocoder geocoder = new Geocoder(this, Locale.getDefault());
        try {
            List<Address> addresses = geocoder.getFromLocation(latitude, longitude, 1);
            if (addresses.size() > 0) {
                Address address = (Address) ((List) addresses).get(0);
                String data = address.toString();
                int startSpace = data.indexOf("\"") + ":".length();
                int endSpace = data.indexOf("\"", startSpace);
                String space=data.substring(startSpace,endSpace);
                return space;
            }
        } catch (IOException e) {
            e.printStackTrace();
        }
        return "获取失败！";
    }

内容存在于fragmentui文件