How to measure the cold/warm startup time of a mobile application - android

Is there an easy possibility to measure the startup time an application takes? Similar questions are asking regarding self-made apps, but in this case I am talking about foreign apps to test and compare them. So far I couldn't find a simple app in the Play Store/iTunes App Store which just measures the time from the point where the user clicks the app icon to the state where it is fully loaded and can be worked with. I'd be thankful for any hints!

Put this code as your first line of code in the main activity :
Log.d("MyApp start time", "" + System.currentTimeMillis());
And after you consider the app loading ended put:
Log.d("MyApp end time", "" + System.currentTimeMillis());
Now just search the log for the info and you will the times over there

Try this tutorial or create separate application which will start your app (via Intent) and write to log (or save to file) current time (System.currentTimeMillis()) just before startActivity(intent).
Update:
In case foreign apps of You have create separate application which will start other app (via Intent) and write to log (or save to file or just store in variable) current time System.currentTimeMillis() just before startActivity(intent) like that:
Intent intent = getPackageManager().getLaunchIntentForPackage("<package of other app>");
if (intent!= null) {
Log.d(TAG, "Starting time: " + System.currentTimeMillis());
startActivity(intent);
}
(You can get other app package and main activity name this way) and than get launched apps list (or monitor logcat of them) like in that thread and when app appears in list or its log detected You can store timestamp of launched app. Difference between stored values indicates time for launch.

Related

How to open Android Outlook application from an external one

I'm currently developing an Android application in order to display home screen widgets. Those ones are related to Microsoft Outlook (Events + Messages) in order to show incoming events and unread new messages in a kind of dynamic tiles.
The Msal graph library helps me a lot to authenticate and retrieve in formations which contains an identifier for each event / message results
But now I want to know if the outlook application is installed on the user device and if there is a way to open Outlook when the user click on the widget. Moreover if the user can open the corresponding clicked event or message with the identifier.
For example the Event widget currently displaying a birthday event. The user click on it. Then it opens Outlook and display directly that birthday event.
Regards
I don't think this is officially documented somewhere. But here's what you can do to find out about it.
You can list all Microsoft applications installed on your device...
val packages = context.packageManager
.getInstalledApplications(PackageManager.GET_META_DATA)
for (info in packages) {
if(info.packageName.startsWith("com.microsoft", true)){
Log.d("package name:" + info.packageName)
Log.d("Launch Activity: " + context.packageManager.getLaunchIntentForPackage(info.packageName))
}
}
Take a note of the "launch intent" displayed in the LogCat. You can use that to launch Outlook. Just make sure you don't hard-code those values because Microsoft can change those values at any point, for example the activity class can change. So, instead of doing this...
context.startActivity(
Intent().apply {
action = Intent.ACTION_MAIN
addCategory(Intent.CATEGORY_LAUNCHER)
setPackage("com.microsoft.office.outlook")
component = ComponentName("com.microsoft.office.outlook", "com.microsoft.office.outlook.MainActivity")
}
)
Do this...
context.startActivity(
Intent().apply {
action = Intent.ACTION_MAIN
addCategory(Intent.CATEGORY_LAUNCHER)
component = ComponentName(
outlookLaunchIntent?.component?.packageName,
outlookLaunchIntent?.component?.className
)
setPackage(outlookLaunchIntent.package)
}
)
Also, remember that getLaunchIntentForPackage and component can return null, so make sure you check for null values properly
I am relaying a suggestion from a couple of internal folks:
Please try to open the event using one of the following URLs:
ms-outlook://events/open?restid=%s&account=test#om.com (if you have a regular REST id)
ms-outlook://events/open?immutableid=%s&account=test#om.com (if you are using an immutable id)
Since immutable IDs are still in preview stage in Microsoft Graph, and customers should not use preview APIs in their production apps, I think option #1 applies to your case.
Please reply here if the URL works, or not, and if you have other related questions. I requested the couple of folks to keep an eye on this thread as well.
Well, i managed to open the outlook android application with the help of your code #Leo. As im not developping with Kotlin, ill post the JAVA code below :
Intent outlookLaunchIntent = context.getPackageManager().getLaunchIntentForPackage("com.microsoft.office.outlook");
if (outlookLaunchIntent != null) {
context.startActivity(outlookLaunchIntent );
}
Below code to open event/message in a web browser provided by webLink property of the graph API. (I only test for event and the url provided not working. Ill post a new issue on StackOverFlow for that but you already see the issue over there : https://github.com/microsoftgraph/microsoft-graph-docs/issues/4203
try {
Intent webIntent = new Intent(Intent.ACTION_VIEW).setData(Uri.parse(calendarWebLink));
webIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
context.startActivity(webIntent);
} catch (RuntimeException e) {
// The url is invalid, maybe missing http://
e.printStackTrace();
}
However im still stuck on the decicive goal of my widget item click which is to open the relative event/email in the Microsoft Outlook Android application.
Microsoft Outlook Android app contains widgets which can achieve what im looking for. So i wonder if it is possible to list its broadcast receivers.
The best thing i found is an old manifest for that app but it doesnt help me.
https://gist.github.com/RyPope/df0e61f477af4b73865cd72bdaa7d8c2
Hi may you try to open the event using one of the url:
ms-outlook://events/open?restid=%s&account=test#om.com (If the
user is having rest id)
ms-outlook://events/open?immutableid=%s&account=test#om.com (If
the user is having immutable id)

OnProvideAssistDataListener example

Can someone please provide an example for a real case where I might need to use OnProvideAssistDataListener. I can't seem to wrap my head around it. I look at the source code, and then I look online. Someone online says
Application.OnProvideAssistDataListener allows to place into the
bundle anything you would like to appear in the
Intent.EXTRA_ASSIST_CONTEXT part of the assist Intent
I have also been reading through the Intent Docs.
There is an Now On Tap functionality implemented by Google. By long pressing the Home Button, you will get some  information displayed on the screen.  The information you get depends on what you're viewing on your screen at that time. (for eg: Music app displays information about music on the screen).
To provide additional information to the assistant, your app provides global application context by registering an app listener using registerOnProvideAssistDataListener() and supplies activity-specific information with activity callbacks by overriding onProvideAssistData() and onProvideAssistContent(). 
Now when the user activates the assistant, onProvideAssistData() is called to build a full ACTION_ASSIST Intent with all of the context of the current application represented as an instance of the AssistStructure. You can override this method to place anything you like into the bundle to appear in the EXTRA_ASSIST_CONTEXT part of the assist intent.
In the example below, a music app provides structured data to describe the music album that the user is currently viewing:
#Override
public void onProvideAssistContent(AssistContent assistContent) {
super.onProvideAssistContent(assistContent);
String structuredJson = new JSONObject()
.put("#type", "MusicRecording")
.put("#id", "https://example.com/music/recording")
.put("name", "Album Title")
.toString();
assistContent.setStructuredData(structuredJson);
}
For more info refer https://developer.android.com/training/articles/assistant.html

Is there a means to forcefully autodial special numbers on Android?

I've been working on an android app concept in which the app has to auto-dial some special USSD codes in order to initiate certain telco services of interest to the user when the user initiates the service via a shortcut in the app.
The trouble I'm finding is that when the app tries to auto-dial such short codes or USSD numbers, the phone's OS (or is it the Call Intent), doesn't auto-dial, but instead presents the user with the code/number in the dial-pad and so the user has to manually initiate the call - which sort of defeats my intention of allowing users to initiate the services with just one click - the shortcut.
Currently, this is how I'm initiating these calls:
intent = new Intent(Intent.ACTION_DIAL);
intent.setData(Uri.parse("tel:" + number.trim()));
try {
activity.startActivity(intent);
} catch (Exception e) {
Log.d(Tag, e.getMessage());
}
Interestingly, a number such as +256772777000 will auto-dial, launching the user into the call automatically, but a number/code such as 911, *112#, *1*23#, etc won't.
So, what do I need to do differently, or is this not possible at all?
UPDATE
Actually, looking at another app in which I was autodialling user-specified numbers, the problem with the above code trying to auto-dial ussd codes was that instead of using intent.ACTION_CALL, I was using intent.ACTION_DIAL - which definitely just prompts the user with the number to call, without directly calling it. When I fixed that, the app now works as expected. See answer below...
Code samples are most welcome.
Actually, despite what some people were claiming about Android preventing such a feature. When I looked at the code in one of my older apps which auto-dials user-specified numbers, I found the solution to be:
intent = new Intent(Intent.ACTION_CALL);
intent.setData(Uri.parse("tel:" + number.trim()));
try {
activity.startActivity(intent);
} catch (Exception e) {
Log.d(Tag, e.getMessage());
}
This works as expected - USSD codes get auto-dialled when above code runs. The only important thing to note when using this approach, being that you have to add the following permissions to your manifest:
<uses-permission android:name="android.permission.CALL_PHONE" />
So, as indicated in the update to my question, the problem with my original approach was using intent.ACTION_DIAL instead of intent.ACTION_CALL.

Dial one show another phone number in Android Phone application

searched for a solution but haven't found anything even similar.
When dialing a number from the Android Phone application, based on a prefix predefined earlier, I intercept a call. Afterwards I place another call which number is some access number + 2 sec pause + the number intercepted + #-sign.
My question is - is there any possibility (any ACTION_CALL intent extra or something) that this intercepted and not the access number is shown in the Android Phone application?
Example:
Access Number: 999999
Prefix: 011
Number: 011552657659
Thus, newly placed call is 999999,011552657659#.
Result: the Phone application shows 999999 and other digits are dialed tonally, while I want a user to see something 011552657659 instead.
My code is:
Intent intent = new Intent(Intent.ACTION_CALL);
intent.setData(Uri.parse("tel:999999,011552657659#");
context.startActivity(intent);
Thank you in advance!

define android system sleep time interval

I'm writing an app which should shows on the screen if user wasn't interract with phone for some time. (I'm going to write a service which will show an activity after this time)
EDIT: Activity may not be open (that's why I must define non-interaction time in service)
Yes, there's this awesome method onUserInteraction() in the Activity class.
You can store the current time as a long in a variable and display the time difference.
onUserInteraction(){
latestInteractedTime = System.currentTimeMillis();
}
// In some method you want to probably display the time difference
String diff = "Time diff: " + (System.currentTimeMillis() - latestInteractedTime);
textView.setText(diff);

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