android 获取移动网络和wifi的信号强度
时间: 2023-11-28 16:05:16 浏览: 39
可以使用Android的WifiManager和TelephonyManager来获取移动网络和wifi的信号强度。
获取移动网络信号强度的代码示例:
```java
TelephonyManager telephonyManager = (TelephonyManager) getSystemService(Context.TELEPHONY_SERVICE);
if (ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_COARSE_LOCATION) == PackageManager.PERMISSION_GRANTED) {
CellInfo cellInfo = telephonyManager.getAllCellInfo().get(0);
CellSignalStrength signalStrength = ((CellInfoGsm) cellInfo).getCellSignalStrength();
int dbm = signalStrength.getDbm();
int level = signalStrength.getLevel();
}
```
获取wifi信号强度的代码示例:
```java
WifiManager wifiManager = (WifiManager) getApplicationContext().getSystemService(Context.WIFI_SERVICE);
WifiInfo wifiInfo = wifiManager.getConnectionInfo();
int rssi = wifiInfo.getRssi();
int level = WifiManager.calculateSignalLevel(rssi, 5);
```
需要注意的是,获取移动网络信号强度需要获取位置权限,而获取wifi信号强度需要获取wifi权限。在获取这些权限之前需要先进行权限申请。