WallyHackenslacker/NxtAR-cam
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Added some progress dialogs when setting up connections.

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Wally Hackenslacker
2013-11-26 14:18:53 -04:30
parent 48fff01369
commit 569889ab83
3 changed files with 129 additions and 33 deletions
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158
src/ve/ucv/ciens/ccg/nxtcam/MainActivity.java
View File

@@ -14,6 +14,7 @@ import ve.ucv.ciens.ccg.nxtcam.utils.Logger;
import ve.ucv.ciens.ccg.nxtcam.utils.ProjectConstants;
import android.app.Activity;
import android.app.DialogFragment;
import android.app.ProgressDialog;
import android.bluetooth.BluetoothAdapter;
import android.content.Context;
import android.content.Intent;
@@ -47,6 +48,7 @@ public class MainActivity extends Activity implements WifiOnDialogListener, Conn
// Gui components
private Button startButton;
private Button connectButton;
private ProgressDialog progressDialog;
// Resources.
private BTCommunicator btManager;
@@ -164,6 +166,9 @@ public class MainActivity extends Activity implements WifiOnDialogListener, Conn
wifiOnByMe = false;
}
/**
* Shows a WifiOnDialog.
*/
private void enableWifi(){
if(!wifiManager.isWifiEnabled()){
DialogFragment wifiOn = new WifiOnDialog();
@@ -172,6 +177,9 @@ public class MainActivity extends Activity implements WifiOnDialogListener, Conn
}
}
/**
* Launches the standard Bluetooth enable activity.
*/
private void enableBT(){
Logger.log_d(TAG, CLASS_NAME + ".enableBT() :: Enabling the Bluetooth radio.");
Intent enableBtIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
@@ -179,10 +187,99 @@ public class MainActivity extends Activity implements WifiOnDialogListener, Conn
btOnByMe = true;
}
/**
* Commodity method for showing toasts from an AsyncTask.
*
* @param stringId The id of the string resource to show on the toast.
* @param length Time to show the toast.
*/
protected void showToast(int stringId, int length){
Toast.makeText(this, stringId, length).show();
}
/**
* Commodity method that builds an standard Android progress dialog.
*
* The dialog is created as not cancellable and uses an undeterminate spinner as visual style.
*
* @param msg The descriptive text shown by the dialog.
* @return The built dialog.
*/
private ProgressDialog buildProgressDialog(String msg){
ProgressDialog dialog = new ProgressDialog(this);
dialog.setMessage(msg);
dialog.setCancelable(false);
dialog.setProgressStyle(ProgressDialog.STYLE_SPINNER);
dialog.setProgress(0);
return dialog;
}
/**
* Listener method for the WifiOnDialog.
*
* This method is called when the user chooses to accept the dialog. It just shows an information
* message with a toast and marks the WiFi radio as turned on by the application.
*
* @param dialog The dialog that called this method.
*/
@Override
public void onWifiOnDialogPositiveClick(DialogFragment dialog) {
Toast.makeText(this, R.string.wifi_on_success, Toast.LENGTH_SHORT).show();
wifiOnByMe = true;
}
/**
* Listener method for the WifiOnDialog.
*
* This method is called when the user chooses to cancel the dialog. It just shows an error message
* with a toast and finishes the application.
*
* @param dialog The dialog that called this method.
*/
@Override
public void onWifiOnDialogNegativeClick(DialogFragment dialog) {
Toast.makeText(this, R.string.wifi_on_fail, Toast.LENGTH_LONG).show();
finish();
};
/**
* Shows the robot selection dialog.
*
* @param view The view that called this method.
*/
public void connectWithRobot(View view){
if(btManager.isBTEnabled()){
DialogFragment connectBot = new ConnectRobotDialog();
connectBot.show(getFragmentManager(), "connect_bot");
}
}
/**
* Launches the service discovery task.
*/
public void startConnections(View view){
ServiceDiscoveryTask serviceDiscovery = new ServiceDiscoveryTask();
serviceDiscovery.execute();
}
/**
* Listener method for the ConnectRobotDialog.
*
* When a user selects a robot to connect to in the dialog, this method launches the connection setup task
* defined in the ConnectRobotTask.
*
* @param dialog The dialog that called this method.
* @param robot The robot selected by the user in the format NAME\nMAC_ADDRESS
*/
@Override
public void onConnectRobotDialogItemClick(DialogFragment dialog, String robot) {
String macAddress = robot.substring(robot.indexOf('\n')+1);
Logger.log_d(TAG, CLASS_NAME + ".onConnectRobotDialogItemClick() :: MAC address: " + macAddress);
connectButton.setEnabled(false);
ConnectRobotTask robotTask = new ConnectRobotTask(macAddress);
robotTask.execute();
}
/**
* Asynchronous task for ad hoc UDP service discovery.
*
@@ -207,6 +304,13 @@ public class MainActivity extends Activity implements WifiOnDialogListener, Conn
}
}
@Override
protected void onPreExecute(){
super.onPreExecute();
progressDialog = buildProgressDialog(getString(R.string.serv_wait));
progressDialog.show();
}
@Override
protected Boolean doInBackground(Void... params){
boolean result, done = false;
@@ -247,6 +351,10 @@ public class MainActivity extends Activity implements WifiOnDialogListener, Conn
@Override
protected void onPostExecute(Boolean result){
super.onPostExecute(result);
progressDialog.dismiss();
progressDialog = null;
// If a server was found then start the next activity.
if(packet != null)
startCamActivity(result, packet.getAddress().getHostAddress());
@@ -255,6 +363,11 @@ public class MainActivity extends Activity implements WifiOnDialogListener, Conn
}
}
/**
* This task handles the establishing of the connection with the NXT robot.
*
* @author miky
*/
private class ConnectRobotTask extends AsyncTask<Void, Void, Boolean>{
private final String CLASS_NAME = ConnectRobotTask.class.getSimpleName();
private String macAddress;
@@ -263,6 +376,13 @@ public class MainActivity extends Activity implements WifiOnDialogListener, Conn
this.macAddress = macAddress;
}
@Override
protected void onPreExecute(){
super.onPreExecute();
progressDialog = buildProgressDialog(getString(R.string.bt_wait));
progressDialog.show();
}
@Override
protected Boolean doInBackground(Void... params){
boolean connSet;
@@ -278,6 +398,11 @@ public class MainActivity extends Activity implements WifiOnDialogListener, Conn
@Override
protected void onPostExecute(Boolean result){
super.onPostExecute(result);
progressDialog.dismiss();
progressDialog = null;
if(result){
Logger.log_d(TAG, CLASS_NAME + "doInBackground() :: Connection successful.");
showToast(R.string.conn_established, Toast.LENGTH_SHORT);
@@ -288,37 +413,4 @@ public class MainActivity extends Activity implements WifiOnDialogListener, Conn
}
}
}
@Override
public void onWifiOnDialogPositiveClick(DialogFragment dialog) {
Toast.makeText(this, R.string.wifi_on_success, Toast.LENGTH_SHORT).show();
wifiOnByMe = true;
}
@Override
public void onWifiOnDialogNegativeClick(DialogFragment dialog) {
Toast.makeText(this, R.string.wifi_on_fail, Toast.LENGTH_LONG).show();
finish();
};
public void connectWithRobot(View view){
if(btManager.isBTEnabled()){
DialogFragment connectBot = new ConnectRobotDialog();
connectBot.show(getFragmentManager(), "connect_bot");
}
}
public void startConnections(View view){
ServiceDiscoveryTask serviceDiscovery = new ServiceDiscoveryTask();
serviceDiscovery.execute();
}
@Override
public void onConnectRobotDialogItemClick(DialogFragment dialog, String item) {
String macAddress = item.substring(item.indexOf('\n')+1);
Logger.log_d(TAG, CLASS_NAME + ".onConnectRobotDialogItemClick() :: MAC address: " + macAddress);
connectButton.setEnabled(false);
ConnectRobotTask robotTask = new ConnectRobotTask(macAddress);
robotTask.execute();
}
}