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Merge pull request #280 from fkloft/android_login

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Android login
This commit is contained in:
Philipp Schaefer 2013-05-17 01:22:32 -07:00
commit 049bc9dbbc
7 changed files with 279 additions and 11 deletions
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4
mobile/AndroidManifest.xml
View File

@ -8,9 +8,11 @@
android:minSdkVersion="14"
android:targetSdkVersion="17" />
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
<uses-permission android:name="android.permission.USE_CREDENTIALS" />
<uses-permission android:name="android.permission.GET_ACCOUNTS" />
<uses-permission android:name="android.permission.INTERNET" />
<application
android:allowBackup="true"

6
mobile/res/layout/dialog_progressbar.xml Normal file
View File

@ -0,0 +1,6 @@
<?xml version="1.0" encoding="utf-8"?>
<ProgressBar xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/progressBarLoading"
style="?android:attr/progressBarStyleLarge"
android:layout_width="wrap_content"
android:layout_height="wrap_content"/>

2
mobile/res/values/strings.xml
View File

@ -55,4 +55,6 @@
<string name="menu_faction">Faction</string>
<string name="menu_info">Info</string>
<string name="menu_debug">Debug</string>
<string name="choose_account_to_login">Choose account to login</string>
<string name="login_failed">Login failed.</string>
</resources>

189
mobile/src/com/cradle/iitc_mobile/IITC_DeviceAccountLogin.java Normal file
View File

@ -0,0 +1,189 @@
package com.cradle.iitc_mobile;
import android.accounts.Account;
import android.accounts.AccountManager;
import android.accounts.AccountManagerCallback;
import android.accounts.AccountManagerFuture;
import android.app.Activity;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.content.Intent;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.webkit.WebView;
import android.webkit.WebViewClient;
import android.widget.BaseAdapter;
import android.widget.TextView;
import android.widget.Toast;
/**
* this class manages automatic login using the Google account stored on the device
*/
public class IITC_DeviceAccountLogin implements AccountManagerCallback<Bundle> {
/**
* Adapter to show available accounts in a ListView. Accounts are read from mAccounts
*/
private class AccountAdapter extends BaseAdapter {
@Override
public int getCount() {
return mAccounts.length;
}
@Override
public Account getItem(int position) {
return mAccounts[position];
}
@Override
public long getItemId(int position) {
return position;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
LayoutInflater inflater = mActivity.getLayoutInflater();
View v = inflater.inflate(android.R.layout.simple_list_item_1, parent, false);
TextView tv = (TextView) v.findViewById(android.R.id.text1);
tv.setText(mAccounts[position].name);
return tv;
}
}
private Account mAccount;
private AccountAdapter mAccountAdapter;
private AccountManager mAccountManager;
private Account[] mAccounts;
private IITC_Mobile mActivity;
private String mAuthToken;
private AlertDialog mProgressbar;
private WebView mWebView;
/**
* This listener is invoked when an item in the account list is selected. (It is also used when the 'cancel' button
* is clicked, (in which case `index` is <0)
*/
private DialogInterface.OnClickListener onClickListener = new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int index) {
if (index >= 0 && index < mAccounts.length) {
mAccount = mAccounts[index];
startAuthentication();
}
dialog.cancel();
}
};
public IITC_DeviceAccountLogin(IITC_Mobile activity, WebView webView, WebViewClient webViewClient) {
mActivity = activity;
mWebView = webView;
mAccountManager = AccountManager.get(activity);
mAccountAdapter = new AccountAdapter();
// dialog that serves as a progress bar overlay
mProgressbar = new AlertDialog.Builder(mActivity)
.setCancelable(false)
.setView(mActivity.getLayoutInflater().inflate(R.layout.dialog_progressbar, null))
.create();
}
/**
* display all available accounts to the user
*/
private void displayAccountList() {
AlertDialog.Builder builder = new AlertDialog.Builder(mActivity)
.setTitle(R.string.choose_account_to_login)
.setSingleChoiceItems(mAccountAdapter, 0, onClickListener)
.setNegativeButton(android.R.string.cancel, onClickListener);
AlertDialog dialog = builder.create();
dialog.show();
}
/**
* called when something failed. Shows a toast message. Classic login is still available
*/
private void onLoginFailed() {
Toast.makeText(mActivity, R.string.login_failed, Toast.LENGTH_SHORT).show();
}
/**
* called to start authenticating using AccountManager.
*
* After a token is created, AccountManager will call the run() method.
*/
private void startAuthentication() {
mProgressbar.show();
mAccountManager.getAuthToken(mAccount, mAuthToken, null, mActivity, this, null);
}
/**
* called by IITC_Mobile when the authentication activity has finished.
*/
public void onActivityResult(int resultCode, Intent data) {
if (resultCode == Activity.RESULT_OK)
// authentication activity succeeded, request token again
startAuthentication();
else
onLoginFailed();
}
/**
* called by AccountManager
*/
@Override
public void run(AccountManagerFuture<Bundle> value) {
mProgressbar.hide();
try {
Intent launch = (Intent) value.getResult().get(AccountManager.KEY_INTENT);
if (launch != null) {
// There is a reason we need to start the given activity if we want an authentication token.
// (Could be user confirmation or something else. Whatever, we have to start it)
// IITC_Mobile will call it using startActivityForResult
mActivity.startLoginActivity(launch);
return;
}
String result = value.getResult().getString(AccountManager.KEY_AUTHTOKEN);
if (result != null) {
// authentication succeded, we can load the given url, which will redirect back to the intel map
mWebView.loadUrl(result);
mActivity.loginSucceded();
} else {
onLoginFailed();
}
} catch (Exception e) {
onLoginFailed();
}
}
/**
* start authentication
*
* if we already have a username (e.g. because the existing login has timed out), we can directly start
* authentication if an account with that username is found.
*/
public void startLogin(String realm, String accountName, String args) {
mAccounts = mAccountManager.getAccountsByType(realm);
mAccountAdapter.notifyDataSetChanged();
mAuthToken = "weblogin:" + args;
if (mAccounts.length == 0) {
return;
}
for (Account account : mAccounts) {
if (account.name.equals(accountName)) {
mAccountManager.getAuthToken(account, mAuthToken, null, mActivity, this, null);
return;
}
}
displayAccountList();
}
}

61
mobile/src/com/cradle/iitc_mobile/IITC_Mobile.java
View File

@ -2,7 +2,13 @@ package com.cradle.iitc_mobile;
import java.io.IOException;
import com.cradle.iitc_mobile.R;
import android.app.ActionBar;
import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.content.SharedPreferences.OnSharedPreferenceChangeListener;
import android.content.res.Configuration;
import android.location.Location;
import android.location.LocationListener;
import android.location.LocationManager;
@ -13,21 +19,18 @@ import android.os.Bundle;
import android.os.Handler;
import android.os.StrictMode;
import android.preference.PreferenceManager;
import android.app.ActionBar;
import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.content.SharedPreferences.OnSharedPreferenceChangeListener;
import android.content.res.Configuration;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.view.Window;
import android.view.WindowManager;
import android.webkit.WebView;
import android.widget.Toast;
public class IITC_Mobile extends Activity {
private static final int REQUEST_LOGIN = 1;
private IITC_WebView iitc_view;
private boolean back_button_pressed = false;
private OnSharedPreferenceChangeListener listener;
@ -38,11 +41,15 @@ public class IITC_Mobile extends Activity {
private boolean fullscreen_mode = false;
private boolean fullscreen_actionbar = false;
private ActionBar actionBar;
private IITC_DeviceAccountLogin mLogin;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
// enable progress bar above action bar
requestWindowFeature(Window.FEATURE_PROGRESS);
// TODO build an async task for url.openStream() in IITC_WebViewClient
StrictMode.ThreadPolicy policy = new StrictMode.ThreadPolicy.Builder()
.permitAll().build();
@ -354,4 +361,42 @@ public class IITC_Mobile extends Activity {
public IITC_WebView getWebView() {
return this.iitc_view;
}
/**
* It can occur that in order to authenticate, an external activity has to be launched. (This could for example be a
* confirmation dialog.)
*/
public void startLoginActivity(Intent launch) {
startActivityForResult(launch, REQUEST_LOGIN); // REQUEST_LOGIN is to recognize the result
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
switch (requestCode) {
case REQUEST_LOGIN :
// authentication activity has returned. mLogin will continue authentication
mLogin.onActivityResult(resultCode, data);
break;
default :
super.onActivityResult(requestCode, resultCode, data);
}
}
/**
* called by IITC_WebViewClient when the Google login form is opened.
*/
public void onReceivedLoginRequest(IITC_WebViewClient client, WebView view,
String realm, String account, String args) {
mLogin = new IITC_DeviceAccountLogin(this, view, client);
mLogin.startLogin(realm, account, args);
}
/**
* called after successful login
*/
public void loginSucceded() {
// garbage collection
mLogin = null;
}
}

20
mobile/src/com/cradle/iitc_mobile/IITC_WebView.java
View File

@ -2,6 +2,7 @@ package com.cradle.iitc_mobile;
import android.annotation.SuppressLint;
import android.annotation.TargetApi;
import android.app.Activity;
import android.content.Context;
import android.content.SharedPreferences;
import android.net.ConnectivityManager;
@ -39,14 +40,29 @@ public class IITC_WebView extends WebView {
this.js_interface = new IITC_JSInterface(c);
this.addJavascriptInterface(js_interface, "android");
// our webchromeclient should share geolocation with the iitc script
// allow access by default
this.setWebChromeClient(new WebChromeClient() {
/**
* our webchromeclient should share geolocation with the iitc script
*
* allow access by default
*/
@Override
public void onGeolocationPermissionsShowPrompt(String origin,
GeolocationPermissions.Callback callback) {
callback.invoke(origin, true, false);
}
/**
* display progress bar in activity
*/
@Override
public void onProgressChanged(WebView view, int newProgress) {
super.onProgressChanged(view, newProgress);
// maximum for newProgress is 100
// maximum for setProgress is 10,000
((Activity) getContext()).setProgress(newProgress * 100);
}
});
webclient = new IITC_WebViewClient(c);

8
mobile/src/com/cradle/iitc_mobile/IITC_WebViewClient.java
View File

@ -133,6 +133,14 @@ public class IITC_WebViewClient extends WebViewClient {
handler.proceed();
};
/**
* this method is called automatically when the Google login form is opened.
*/
@Override
public void onReceivedLoginRequest(WebView view, String realm, String account, String args) {
((IITC_Mobile) context).onReceivedLoginRequest(this, view, realm, account, args);
}
// plugins should be loaded after the main script is injected
@Override
public void onPageFinished(WebView view, String url) {