[英]How do I programmatically ping a website in Android
我試圖制作一個可以獲取網站或 IP 地址的 ping 並在文本視圖中僅顯示 ping 號碼的應用程序,我使用此代碼獲取 ping:
public void fExecutarPing(View view){
Editable host = edtIP.getText();
try {
String cmdPing = "ping -c 1 -w 1 "+host;
Runtime r = Runtime.getRuntime();
Process p = r.exec(cmdPing);
BufferedReader in = new BufferedReader( new InputStreamReader(p.getInputStream()));
String inputLinhe;
while((inputLinhe = in.readLine())!= null){
Toast.makeText(this, inputLinhe, Toast.LENGTH_SHORT).show();
}
} catch (Exception e) {
Toast.makeText(this, "Error: "+e.getMessage().toString(), Toast.LENGTH_SHORT).show();
}
這段代碼只是給我多個 toast 消息,就像你在 windows 命令中 ping 一樣,但我怎么能得到 ping 號碼,例如:85
我推薦使用這個庫https://github.com/potterhsu/Pinger
設置1. 在 root build.gradle 中:
allprojects {
repositories {
...
maven { url 'https://jitpack.io' }
}
}
dependencies { compile 'com.github.potterhsu:Pinger:v1.1' }
用法 1. 同步直接Ping:
Pinger pinger = new Pinger();
pinger.ping("8.8.8.8", 3);
2. 異步Ping直到成功:
Pinger pinger = new Pinger();
pinger.setOnPingListener(new Pinger.OnPingListener() {
@Override
public void onPingSuccess() { ... }
@Override
public void onPingFailure() { ... }
@Override
public void onPingFinish() { ... }
});
pinger.pingUntilSucceeded("8.8.8.8", 5000);
3. 異步Ping直到失敗:
Pinger pinger = new Pinger();
pinger.setOnPingListener(new Pinger.OnPingListener() {
@Override
public void onPingSuccess() { ... }
@Override
public void onPingFailure() { ... }
@Override
public void onPingFinish() { ... }
});
pinger.pingUntilFailed("8.8.8.8", 5000);
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