【发布时间】:2015-08-06 12:33:40
【问题描述】:
请大家说说为什么这段代码显示没有可用的提供者
LocationManager lm = (LocationManager) getSystemService(Context.LOCATION_SERVICE);
Criteria criteria = new Criteria();
provider = lm.getBestProvider(criteria, false);
Location loc = lm.getLastKnownLocation(provider);
if (loc != null) {
Toast.makeText(this, "Provider" + provider + " has been selected", Toast.LENGTH_LONG).show();
} else {
tv.setText("No provider Available");
}
【问题讨论】:
标签: android location latitude-longitude