Android 判断GPS是否开启

判断手机GPS是否开启\x0d下边这小段代码是用来判断手机的GPS服务是否为开启状态.如果是就提示用户GPS已经打开.\x0d如果现在GPS 处于关闭状态,那么给用户一个提示,然后打开GPS设置界面,让用户更改GPS为启动状态.\x0dJAVA代码:private void openGPSSettings(){LocationManager alm =\x0d(LocationManager)this.getSystemService( Context.LOCATION_SERVICE );\x0dif( alm.isProviderEnabled(android.location.LocationManager.GPS_PROVIDER ) ){Toast.makeText( this,GPS is already on,Toast.LENGTH_SHORT ).show();}else{Toast.makeText( this,Please turn on GPS,Toast.LENGTH_SHORT ).show();