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Added SIP Demo to sample apps.

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Change-Id: Id98b6e542e1be5b9822a696936e735406c08500f
This commit is contained in:
Alexander Lucas
2010-11-02 21:50:45 -07:00
parent fc187b1e3a
commit a025796211
16 changed files with 754 additions and 0 deletions
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1
build/sdk.atree
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@@ -160,6 +160,7 @@ development/samples/MultiResolution samples/${PLATFORM_NAME}/MultiResol
development/samples/NotePad samples/${PLATFORM_NAME}/NotePad development/samples/NotePad samples/${PLATFORM_NAME}/NotePad
development/samples/SampleSyncAdapter samples/${PLATFORM_NAME}/SampleSyncAdapter development/samples/SampleSyncAdapter samples/${PLATFORM_NAME}/SampleSyncAdapter
development/samples/SearchableDictionary samples/${PLATFORM_NAME}/SearchableDictionary development/samples/SearchableDictionary samples/${PLATFORM_NAME}/SearchableDictionary
development/samples/SipDemo samples/${PLATFORM_NAME}/SipDemo
development/samples/SkeletonApp samples/${PLATFORM_NAME}/SkeletonApp development/samples/SkeletonApp samples/${PLATFORM_NAME}/SkeletonApp
development/samples/Snake samples/${PLATFORM_NAME}/Snake development/samples/Snake samples/${PLATFORM_NAME}/Snake
development/samples/SoftKeyboard samples/${PLATFORM_NAME}/SoftKeyboard development/samples/SoftKeyboard samples/${PLATFORM_NAME}/SoftKeyboard

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LOCAL_PATH:= $(call my-dir)
include $(CLEAR_VARS)
LOCAL_MODULE_TAGS := samples
# Only compile source java files in this apk.
LOCAL_SRC_FILES := $(call all-java-files-under, src)
LOCAL_PACKAGE_NAME := SipDemo
LOCAL_SDK_VERSION := current
include $(BUILD_PACKAGE)
# Use the following include to make our test apk.
include $(call all-makefiles-under,$(LOCAL_PATH))

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<?xml version="1.0" encoding="utf-8"?>
<!--
Copyright (C) 2010 The Android Open Source Project
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
-->
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.example.android.sip">
<application android:icon="@drawable/icon" android:label="SipDemo">
<activity android:name=".WalkieTalkieActivity"
android:configChanges="orientation|keyboardHidden">
<intent-filter>
<action android:name="android.intent.action.MAIN"/>
<category android:name="android.intent.category.LAUNCHER"/>
</intent-filter>
</activity>
<activity android:name=".SipSettings" android:label="set_preferences"/>
<receiver android:name=".IncomingCallReceiver" android:label="Call Receiver"/>
</application>
<uses-sdk android:minSdkVersion="9" />
<uses-permission android:name="android.permission.USE_SIP" />
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.VIBRATE" />
<uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
<uses-permission android:name="android.permission.WAKE_LOCK" />
<uses-permission android:name="android.permission.RECORD_AUDIO" />
<uses-feature android:name="android.hardware.sip.voip" android:required="true" />
<uses-feature android:name="android.hardware.wifi" android:required="true" />
<uses-feature android:name="android.hardware.microphone" android:required="true" />
</manifest>

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<p>This is a demo application highlighting how to make internet-based calls with
the SIP API. The application uses a walkie-talkie style interface, allowing you
to only be heard when the button is pushed down.</p>
<p>The source code for this demo app shows how to accomplish three key things
with SIP: Make a call, receive a call, and signal to the Android platform that
your app wants to receive incoming SIP calls, so that they can be handled from
within the application.</p>
<p>The application includes:<p>
<ul> <li><a
href="src/com/example/android/sip/SipSettings.html"><code>SipSettings</code></a>
&mdash; a <code>PreferenceActivity</code> that supplies basic settings for SIP
authentication.</li> <li><a
href="src/com/example/android/sip/cube1/IncomingCallReceiver.html"><code>
IncomingCallReceiver</code></a> &mdash; a <code>BroadcastReceiver</code>
that listens for incoming SIP calls and passes them to
<code>WalkieTalkieActivity</code> for handling.</li> <li><a
href="src/com/example/android/sip/WalkieTalkieActivity.html"><code>WalkieTalkieActivity</code></a>
&mdash; a activity that login to SIP provider and registers the device to
receive incoming SIP, handles incoming calls and makes outgoing calls, managing
UI during the call.</li> </ul>
<p>If you are developing an application that uses the SIP API, remember that the
feature is supported only on Android 2.3 (API level 9) and higher versions of
the platform. Also, among devices running Android 2.3 (API level 9) or higher,
not all devices will offer SIP support. To ensure that your application can only
be installed on devices that are capable of supporting SIP, remember to add the
following to the application's manifest before publishing to Android Market:</p>
<ul> <li><code>&lt;uses-sdk android:minSdkVersion="9" /&gt;</code>, which
indicates to Android Market and the platform that your application requires
Android 2.3 or higher. For more information, see <a
href="../../../guide/appendix/api-levels.html">API Levels</a> and the
documentation for the <a
href="../../../guide/topics/manifest/uses-sdk-element.html"><code>&lt;uses-sdk&gt;</code></a>
element.</li> </ul> <p>To control how Android Market filters your application
from devices that do not support SIP, remember to add the following to the
application's manifest <ul> <li><code>&lt;uses-feature
android:name="android.hardware.sip.voip" /&gt;</code>, which tells Android
Market that your application uses the SIP API. The declaration should include
an <code>android:required</code> attribute that indicates whether you want
Android Market to filter the application from devices that do not offer SIP
support. Other <code>&lt;uses-feature&gt;</code> declarations may also be
needed, depending on your implementation. For more information, see the
documentation for the <a
href="../../../guide/topics/manifest/uses-feature-element.html"><code>&lt;uses-feature&gt;</code></a>
element.</li> </ul>
<p>For more information about using the SIP API, see the <a
href="../../../reference/android/net/sip/package-summary.html"><code>android.net.sip</a></code>
documentation. </p>
<img alt="" src="../images/SipDemo.png" />

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<?xml version="1.0"?>
<!--
Copyright (C) 2010 The Android Open Source Project
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
-->
<selector xmlns:android="http://schemas.android.com/apk/res/android">
<item android:state_pressed="true" android:drawable="@drawable/btn_speak_pressed" />
<item android:state_selected="true" android:drawable="@drawable/btn_speak_pressed" />
<item android:drawable="@drawable/btn_speak_normal" />
</selector>

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<?xml version="1.0" encoding="utf-8"?>
<!--
Copyright (C) 2010 The Android Open Source Project
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
-->
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:orientation="vertical">
<TextView
android:id="@+id/calladdress_view"
android:layout_height="wrap_content"
android:layout_width="wrap_content"
android:layout_marginLeft="20dip"
android:layout_marginRight="20dip"
android:text="@+string/contactAddress"
android:gravity="left"
android:textAppearance="?android:attr/textAppearanceMedium" />
<EditText
android:id="@+id/calladdress_edit"
android:layout_height="wrap_content"
android:layout_width="fill_parent"
android:layout_marginLeft="20dip"
android:layout_marginRight="20dip"
android:scrollHorizontally="true"
android:autoText="false"
android:capitalize="none"
android:gravity="fill_horizontal"
android:textAppearance="?android:attr/textAppearanceMedium" />
</LinearLayout>

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samples/SipDemo/res/layout/walkietalkie.xml Normal file
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<?xml version="1.0" encoding="utf-8"?>
<!--
Copyright (C) 2010 The Android Open Source Project
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
-->
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent">
<RelativeLayout android:padding="12dp"
android:id="@+id/mainlayout"
android:orientation="vertical"
android:layout_width="fill_parent"
android:layout_height="fill_parent">
<TextView
android:id="@+id/sipLabel"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:layout_centerHorizontal="true"
android:textAppearance="?android:attr/textAppearanceLarge"
/>
<ToggleButton
android:layout_height="400dp"
android:layout_width="400dp"
android:text="@+string/talk"
android:id="@+id/pushToTalk"
android:layout_centerHorizontal="true"
android:layout_centerVertical="true"
android:background="@drawable/btn_record"
android:textOff=""
android:textOn=""
android:layout_marginTop="-20dp" />
</RelativeLayout>
</FrameLayout>

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<?xml version="1.0" encoding="utf-8"?>
<!--
Copyright (C) 2010 The Android Open Source Project
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
-->
<resources>
<string name="app_name">SIP Demo</string>
<string name="contactAddress">SIP Address to contact</string>
<string name="talk">Talk</string>
</resources>

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<?xml version="1.0" encoding="utf-8"?>
<!--
Copyright (C) 2010 The Android Open Source Project
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
-->
<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android">
<EditTextPreference
android:name="SIP Username"
android:summary="Username for your SIP Account"
android:defaultValue=""
android:title="Enter Username"
android:key="namePref" />
<EditTextPreference
android:name="SIP Domain"
android:summary="Domain for your SIP Account"
android:defaultValue=""
android:title="Enter Domain"
android:key="domainPref" />
<EditTextPreference
android:name="SIP Password"
android:summary="Password for your SIP Account"
android:defaultValue=""
android:title="Enter Password"
android:key="passPref"
android:password="true" />
</PreferenceScreen>

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samples/SipDemo/src/com/example/android/sip/IncomingCallReceiver.java Normal file
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/*
* Copyright (C) 2010 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.example.android.sip;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.net.sip.*;
import android.util.Log;
/**
* Listens for incoming SIP calls, intercepts and hands them off to WalkieTalkieActivity.
*/
public class IncomingCallReceiver extends BroadcastReceiver {
/**
* Processes the incoming call, answers it, and hands it over to the
* WalkieTalkieActivity.
* @param context The context under which the receiver is running.
* @param intent The intent being received.
*/
@Override
public void onReceive(Context context, Intent intent) {
SipAudioCall incomingCall = null;
try {
SipAudioCall.Listener listener = new SipAudioCall.Listener() {
@Override
public void onRinging(SipAudioCall call, SipProfile caller) {
try {
call.answerCall(30);
} catch (Exception e) {
e.printStackTrace();
}
}
};
WalkieTalkieActivity wtActivity = (WalkieTalkieActivity) context;
incomingCall = wtActivity.manager.takeAudioCall(intent, listener);
incomingCall.answerCall(30);
incomingCall.startAudio();
incomingCall.setSpeakerMode(true);
if(incomingCall.isMuted()) {
incomingCall.toggleMute();
}
wtActivity.call = incomingCall;
wtActivity.updateStatus(incomingCall);
} catch (Exception e) {
if (incomingCall != null) {
incomingCall.close();
}
}
}
}

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samples/SipDemo/src/com/example/android/sip/SipSettings.java Normal file
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/*
* Copyright (C) 2010 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.example.android.sip;
import android.os.Bundle;
import android.preference.PreferenceActivity;
/**
* Handles SIP authentication settings for the Walkie Talkie app.
*/
public class SipSettings extends PreferenceActivity {
@Override
public void onCreate(Bundle savedInstanceState) {
// Note that none of the preferences are actually defined here.
// They're all in the XML file res/xml/preferences.xml.
super.onCreate(savedInstanceState);
addPreferencesFromResource(R.xml.preferences);
}
}

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samples/SipDemo/src/com/example/android/sip/WalkieTalkieActivity.java Normal file
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/*
* Copyright (C) 2010 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.example.android.sip;
import android.app.Activity;
import android.app.AlertDialog;
import android.app.Dialog;
import android.app.PendingIntent;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.preference.PreferenceManager;
import android.util.Log;
import android.view.*;
import android.net.sip.*;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.ToggleButton;
import java.text.ParseException;
/**
* Handles all calling, receiving calls, and UI interaction in the WalkieTalkie app.
*/
public class WalkieTalkieActivity extends Activity implements View.OnTouchListener {
public String sipAddress = null;
public SipManager manager = null;
public SipProfile me = null;
public SipAudioCall call = null;
public IncomingCallReceiver callReceiver;
private static final int CALL_ADDRESS = 1;
private static final int SET_AUTH_INFO = 2;
private static final int UPDATE_SETTINGS_DIALOG = 3;
private static final int HANG_UP = 4;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.walkietalkie);
ToggleButton pushToTalkButton = (ToggleButton) findViewById(R.id.pushToTalk);
pushToTalkButton.setOnTouchListener(this);
// Set up the intent filter. This will be used to fire an
// IncomingCallReceiver when someone calls the SIP address used by this
// application.
IntentFilter filter = new IntentFilter();
filter.addAction("android.SipDemo.INCOMING_CALL");
callReceiver = new IncomingCallReceiver();
this.registerReceiver(callReceiver, filter);
// "Push to talk" can be a serious pain when the screen keeps turning off.
// Let's prevent that.
getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
initializeManager();
}
@Override
public void onStart() {
super.onStart();
// When we get back from the preference setting Activity, assume
// settings have changed, and re-login with new auth info.
initializeManager();
}
@Override
public void onDestroy() {
super.onDestroy();
if (call != null) {
call.close();
}
closeLocalProfile();
if (callReceiver != null) {
this.unregisterReceiver(callReceiver);
}
}
public void initializeManager() {
if(manager == null) {
manager = SipManager.newInstance(this);
}
initializeLocalProfile();
}
/**
* Logs you into your SIP provider, registering this device as the location to
* send SIP calls to for your SIP address.
*/
public void initializeLocalProfile() {
if (manager == null) {
return;
}
if (me != null) {
closeLocalProfile();
}
SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(getBaseContext());
String username = prefs.getString("namePref", "");
String domain = prefs.getString("domainPref", "");
String password = prefs.getString("passPref", "");
if (username.length() == 0 || domain.length() == 0 || password.length() == 0) {
showDialog(UPDATE_SETTINGS_DIALOG);
return;
}
try {
SipProfile.Builder builder = new SipProfile.Builder(username, domain);
builder.setPassword(password);
me = builder.build();
Intent i = new Intent();
i.setAction("android.SipDemo.INCOMING_CALL");
PendingIntent pi = PendingIntent.getBroadcast(this, 0, i, Intent.FILL_IN_DATA);
manager.open(me, pi, null);
// This listener must be added AFTER manager.open is called,
// Otherwise the methods aren't guaranteed to fire.
manager.setRegistrationListener(me.getUriString(), new SipRegistrationListener() {
public void onRegistering(String localProfileUri) {
updateStatus("Registering with SIP Server...");
}
public void onRegistrationDone(String localProfileUri, long expiryTime) {
updateStatus("Ready");
}
public void onRegistrationFailed(String localProfileUri, int errorCode,
String errorMessage) {
updateStatus("Registration failed. Please check settings.");
}
});
} catch (ParseException pe) {
updateStatus("Connection Error.");
} catch (SipException se) {
updateStatus("Connection error.");
}
}
/**
* Closes out your local profile, freeing associated objects into memory
* and unregistering your device from the server.
*/
public void closeLocalProfile() {
if (manager == null) {
return;
}
try {
if (me != null) {
manager.close(me.getUriString());
}
} catch (Exception ee) {
Log.d("WalkieTalkieActivity/onDestroy", "Failed to close local profile.", ee);
}
}
/**
* Make an outgoing call.
*/
public void initiateCall() {
updateStatus(sipAddress);
try {
SipAudioCall.Listener listener = new SipAudioCall.Listener() {
// Much of the client's interaction with the SIP Stack will
// happen via listeners. Even making an outgoing call, don't
// forget to set up a listener to set things up once the call is established.
@Override
public void onCallEstablished(SipAudioCall call) {
call.startAudio();
call.setSpeakerMode(true);
call.toggleMute();
updateStatus(call);
}
@Override
public void onCallEnded(SipAudioCall call) {
updateStatus("Ready.");
}
};
call = manager.makeAudioCall(me.getUriString(), sipAddress, listener, 30);
}
catch (Exception e) {
Log.i("WalkieTalkieActivity/InitiateCall", "Error when trying to close manager.", e);
if (me != null) {
try {
manager.close(me.getUriString());
} catch (Exception ee) {
Log.i("WalkieTalkieActivity/InitiateCall",
"Error when trying to close manager.", ee);
ee.printStackTrace();
}
}
if (call != null) {
call.close();
}
}
}
/**
* Updates the status box at the top of the UI with a messege of your choice.
* @param status The String to display in the status box.
*/
public void updateStatus(final String status) {
// Be a good citizen. Make sure UI changes fire on the UI thread.
this.runOnUiThread(new Runnable() {
public void run() {
TextView labelView = (TextView) findViewById(R.id.sipLabel);
labelView.setText(status);
}
});
}
/**
* Updates the status box with the SIP address of the current call.
* @param call The current, active call.
*/
public void updateStatus(SipAudioCall call) {
String useName = call.getPeerProfile().getDisplayName();
if(useName == null) {
useName = call.getPeerProfile().getUserName();
}
updateStatus(useName + "@" + call.getPeerProfile().getSipDomain());
}
/**
* Updates whether or not the user's voice is muted, depending on whether the button is pressed.
* @param v The View where the touch event is being fired.
* @param event The motion to act on.
* @return boolean Returns false to indicate that the parent view should handle the touch event
* as it normally would.
*/
public boolean onTouch(View v, MotionEvent event) {
if (call == null) {
return false;
} else if (event.getAction() == MotionEvent.ACTION_DOWN && call != null && call.isMuted()) {
call.toggleMute();
} else if (event.getAction() == MotionEvent.ACTION_UP && !call.isMuted()) {
call.toggleMute();
}
return false;
}
public boolean onCreateOptionsMenu(Menu menu) {
menu.add(0, CALL_ADDRESS, 0, "Call someone");
menu.add(0, SET_AUTH_INFO, 0, "Edit your SIP Info.");
menu.add(0, HANG_UP, 0, "End Current Call.");
return true;
}
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case CALL_ADDRESS:
showDialog(CALL_ADDRESS);
break;
case SET_AUTH_INFO:
updatePreferences();
break;
case HANG_UP:
if(call != null) {
try {
call.endCall();
} catch (SipException se) {
Log.d("WalkieTalkieActivity/onOptionsItemSelected",
"Error ending call.", se);
}
call.close();
}
break;
}
return true;
}
@Override
protected Dialog onCreateDialog(int id) {
switch (id) {
case CALL_ADDRESS:
LayoutInflater factory = LayoutInflater.from(this);
final View textBoxView = factory.inflate(R.layout.call_address_dialog, null);
return new AlertDialog.Builder(this)
.setTitle("Call Someone.")
.setView(textBoxView)
.setPositiveButton(
android.R.string.ok, new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int whichButton) {
EditText textField = (EditText)
(textBoxView.findViewById(R.id.calladdress_edit));
sipAddress = textField.getText().toString();
initiateCall();
}
})
.setNegativeButton(
android.R.string.cancel, new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int whichButton) {
// Noop.
}
})
.create();
case UPDATE_SETTINGS_DIALOG:
return new AlertDialog.Builder(this)
.setMessage("Please update your SIP Account Settings.")
.setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int whichButton) {
updatePreferences();
}
})
.setNegativeButton(
android.R.string.cancel, new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int whichButton) {
// Noop.
}
})
.create();
}
return null;
}
public void updatePreferences() {
Intent settingsActivity = new Intent(getBaseContext(),
SipSettings.class);
startActivity(settingsActivity);
}
}