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  • 位置权限 服务 开启

        private LocationManager lm;//【位置管理】
    
        @Override
        protected void onCreate(Bundle savedInstanceState) {
            super.onCreate(savedInstanceState);
            setContentView(R.layout.activity_main);
    
    
            findViewById(R.id.checkBtn).setOnClickListener(new View.OnClickListener() {
                @Override
                public void onClick(View v) {
                    check();
                }
            });
            findViewById(R.id.requestBtn).setOnClickListener(new View.OnClickListener() {
                @Override
                public void onClick(View v) {
                    request();
                }
            });
        }
        public void  request(){
            if (ContextCompat.checkSelfPermission(this, Manifest.permission.ACCESS_FINE_LOCATION)
                    != PackageManager.PERMISSION_GRANTED) {
                // 没有权限,申请权限。
                Toast.makeText(this, "没有权限", Toast.LENGTH_SHORT).show();
                ActivityCompat.requestPermissions(this,new String[]{Manifest.permission.ACCESS_FINE_LOCATION,Manifest.permission.ACCESS_COARSE_LOCATION},0);
                Toast.makeText(this,"请求权限",Toast.LENGTH_SHORT).show();
            } else {
                // 有权限了,去放肆吧。
                Toast.makeText(this, "有权限", Toast.LENGTH_SHORT).show();
            }
        }
        public void check(){
              lm = (LocationManager) this.getSystemService(this.LOCATION_SERVICE);
            boolean ok = lm.isProviderEnabled(LocationManager.GPS_PROVIDER);
            if (ok) {//开了定位服务
                Toast.makeText(this,"已开启位置服务",Toast.LENGTH_SHORT).show();
            } else {
                Toast.makeText(this, "系统检测到未开启GPS定位服务", Toast.LENGTH_SHORT).show();
                Intent intent = new Intent();
                intent.setAction(Settings.ACTION_LOCATION_SOURCE_SETTINGS);
                startActivityForResult(intent, 1315);
            }
    
        }
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  • 原文地址:https://www.cnblogs.com/the-wang/p/10239049.html
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