Created
November 12, 2019 17:17
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package com.android.wifitester; | |
import java.util.List; | |
import android.app.Activity; | |
import android.content.BroadcastReceiver; | |
import android.content.Context; | |
import android.content.Intent; | |
import android.content.IntentFilter; | |
import android.net.wifi.ScanResult; | |
import android.net.wifi.WifiManager; | |
import android.os.Bundle; | |
import android.view.Menu; | |
import android.view.MenuItem; | |
import android.widget.TextView; | |
public class WifiTester extends Activity { | |
TextView mainText; | |
WifiManager mainWifi; | |
WifiReceiver receiverWifi; | |
List<ScanResult> wifiList; | |
StringBuilder sb = new StringBuilder(); | |
public void onCreate(Bundle savedInstanceState) { | |
super.onCreate(savedInstanceState); | |
setContentView(R.layout.main); | |
mainText = (TextView) findViewById(R.id.mainText); | |
mainWifi = (WifiManager) getSystemService(Context.WIFI_SERVICE); | |
receiverWifi = new WifiReceiver(); | |
registerReceiver(receiverWifi, new IntentFilter(WifiManager.SCAN_RESULTS_AVAILABLE_ACTION)); | |
mainWifi.startScan(); | |
mainText.setText("\\nStarting Scan...\\n"); | |
} | |
public boolean onCreateOptionsMenu(Menu menu) { | |
menu.add(0, 0, 0, "Refresh"); | |
return super.onCreateOptionsMenu(menu); | |
} | |
public boolean onMenuItemSelected(int featureId, MenuItem item) { | |
mainWifi.startScan(); | |
mainText.setText("Starting Scan"); | |
return super.onMenuItemSelected(featureId, item); | |
} | |
protected void onPause() { | |
unregisterReceiver(receiverWifi); | |
super.onPause(); | |
} | |
protected void onResume() { | |
registerReceiver(receiverWifi, new IntentFilter(WifiManager.SCAN_RESULTS_AVAILABLE_ACTION)); | |
super.onResume(); | |
} | |
class WifiReceiver extends BroadcastReceiver { | |
public void onReceive(Context c, Intent intent) { | |
sb = new StringBuilder(); | |
wifiList = mainWifi.getScanResults(); | |
for(int i = 0; i < wifiList.size(); i++){ | |
sb.append(new Integer(i+1).toString() + "."); | |
sb.append((wifiList.get(i)).toString()); | |
sb.append("\\n"); | |
} | |
mainText.setText(sb); | |
} | |
} | |
} |
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