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package org.pihole.dnsproxy;
import android.app.Activity;
import android.app.AlertDialog;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.SharedPreferences;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.net.VpnService;
import android.net.wifi.WifiManager;
import android.os.Bundle;
import android.preference.PreferenceManager;
import android.util.Log;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.TextureView;
import android.view.View;
import android.widget.Button;
import android.widget.Toast;
import android.provider.Settings;
public class MainActivity extends Activity {
private Button buttonStart;
private Intent dnsProxyService;
private BroadcastReceiver receiveDNSProxyService = new BroadcastReceiver() {
/**
* Set button_start state on receive from DNSProxyService
*/
@Override
public void onReceive(Context context, Intent intent) {
setStateButtonStart();
}
};
private BroadcastReceiver receiveNetworkChange = new BroadcastReceiver() {
/**
* Set button_start state on receive of network change
*/
@Override
public void onReceive(Context context, Intent intent) {
setStateButtonStart();
}
};
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
this.buttonStart = (Button) findViewById(R.id.button_start);
this.dnsProxyService = new Intent(this, DNSProxyService.class);
}
@Override
public void onResume() {
super.onResume();
this.setStateButtonStart();
this.toggleWifiListenerService();
registerReceiver(this.receiveDNSProxyService, new IntentFilter(DNSProxyService.NOTIFICATION));
registerReceiver(this.receiveNetworkChange, new IntentFilter(WifiManager.NETWORK_STATE_CHANGED_ACTION));
}
@Override
public void onPause() {
super.onPause();
unregisterReceiver(this.receiveDNSProxyService);
unregisterReceiver(this.receiveNetworkChange);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
MenuInflater menuInflater = getMenuInflater();
menuInflater.inflate(R.menu.settings, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
int itemId = item.getItemId();
if (itemId == R.id.menu__settings) {
Intent intent = new Intent(MainActivity.this, SettingsActivity.class);
startActivity(intent);
return true;
}
return super.onOptionsItemSelected(item);
}
/**
* is called by "startActivityForResult" internally
*/
@Override
public void onActivityResult(int request, int result, Intent data) {
if (result == RESULT_OK) {
this.startDNSProxyService();
}
}
/**
* button_start is clicked
*/
public void onClickButtonStart(View view) {
if (!DNSProxyService.isRunning()) { //start
Intent intent = VpnService.prepare(this);
if (intent != null) {
startActivityForResult(intent, 0);
} else {
this.onActivityResult(0, RESULT_OK, null);
}
}
else { // stop
this.stopDNSProxyService();
}
}
/**
* Set button_start state
*/
private void setStateButtonStart() {
// change text
if (!DNSProxyService.isRunning()) {
this.buttonStart.setText(getString(R.string.button_start__start));
} else {
this.buttonStart.setText(getString(R.string.button_start__stop));
}
// toggle enabled
ConnectivityManager connectivityManager = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);
NetworkInfo networkInfo = connectivityManager.getNetworkInfo(ConnectivityManager.TYPE_WIFI);
if (networkInfo.isConnected() || DNSProxyService.isRunning()) {
this.buttonStart.setEnabled(true);
} else if (!networkInfo.isConnected() && !DNSProxyService.isRunning()) {
this.buttonStart.setEnabled(false);
}
}
/**
* Start DNSProxyService
*/
private void startDNSProxyService() {
startService(this.dnsProxyService.setAction(DNSProxyService.ACTION_START));
Toast
.makeText(
this,
getString(R.string.service_starting),
Toast.LENGTH_SHORT
)
.show();
}
/**
* Stop DNSProxyService
*/
private void stopDNSProxyService() {
startService(this.dnsProxyService.setAction(DNSProxyService.ACTION_STOP));
Toast
.makeText(
this,
getString(R.string.service_stopping),
Toast.LENGTH_SHORT
)
.show();
}
private void toggleWifiListenerService() {
SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
if (sharedPreferences.getBoolean("use_wifi_listener", false)) {
startService(new Intent(this, WifiListenerService.class));
} else {
stopService(new Intent(this, WifiListenerService.class));
}
}
}
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