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Messages - mechanic

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Computer and I.T / Does Android support push email or is it pull?
« on: April 24, 2018, 01:37:04 PM »
Question: Does Android support push email or is it pull?

Answer: Yes, Android supports Push Email.

Computer and I.T / Does Android support Adobe Flash in the browser?
« on: April 24, 2018, 01:34:04 PM »
Question: Does Android support Adobe Flash in the browser?

Answer: Flash support varies by device with Android 2.1. The Samsung Acclaim does not have Flash support upon launch, but the HTC Desire will support Flash Lite 4.0 running Android 2.1. Flash 10.1 support is coming to Android-powered phones with Android 2.2.

Question: What were your initial impressions of Android development?

Answer: Maxim Petrov: Android developing (and actually, any software developing) is not about knowing the language - languages are just tools, so adding a tool to a toolbox is usually not a problem (I moved to Android/Java/C dev right from Ruby - and these are completely different languages). Given experience with any other languages, you can move to Android pretty quickly, at least start prototyping something, though, you need to fight the initial quirks (like SDK installation, lack of good documentation, android SDK/Eclipse and framework bugs, and the Android core devs' "you can't do that, please don't do that").Android development infrastructure is very immature, while Android end user can never notice the immaturity of the platform (as actually, it's not so immature on end user side), the development side of things is really lacking in many areas.

For example, documentation is lacking, often conflicts with real state of things and it's just not enough. Though, this is balanced by the fact that Android is open source - you can just go check the source, and the source is the best documentation, but you need to get used (I am) to this approach. For example, Honeycomb sources are not published yet, and this immediately raised questions, like how do they activate that menu button in bottom status bar.

Question: What made you jump into Android all of a sudden? Why not iOS or other mobile platforms?

Answer: Maxim Petrov: I've never intended to do any mobile startup, but I got an Android phone first (Nexus One), not iPhone, so I started to look into this platform first. The lack of Google's own music app was obvious. I think if it was iPhone, not Nexus One, I could go developing for iOS instead. Though, you know, there are a lot more really good apps that already exist for iOS (and existed a year ago), all niches are filled, Apple is pretty restrictive (I don't think PowerAMP iPhone version would have ever been accepted in the Appstore). You can jump into Android quickly - just download the SDK, install adb driver, and you can develop - for your phone, for your friends (first beta testers), it's much easier to start on Android, but I can only compare to what I've read about iOS development as I haven't developed anything for iPhone.

Question: If I have a Motorola Android-based device that doesn’t have the Android Market app, can I still download the GoToMeeting app?

Answer: Yes. Attendees using Motorola Android-based devices in China can now download the GoToMeeting app from SHOP4APPS™ – Motorola’s preinstalled Android application storefront. The GoToMeeting app is not yet localized in Chinese, but it is available in English, German, French, Spanish and Italian.

Computer and I.T / How can I download the GoToMeeting app?
« on: April 24, 2018, 01:26:48 PM »
Question: How can I download the GoToMeeting app?

Answer: You can download the GoToMeetng app from the Android Market by signing in to your Google account linked with your Android device and searching for the GoToMeeting app to install it. If you don’t see an Install button, you may not be running Android 2.2 or higher – the minimum system requirement needed to install the GoToMeeting app.

You can also download the GoToMeeting app from the Amazon Appstore (only available in the U.S.), which lets you instantly download the GoToMeeting app to an Android device.

If you have the GoToMeeting app pre-loaded onto your device, you’ll need to first upgrade to the latest version of GoToMeeting. To upgrade, select the GoToMeeting daisy icon and then select the Upgrade button to install the most recent version of the app.

Question: Can I use the GoToMeeting app for Android on my Android device?

Answer: Yes. If you’re running Android 2.2 or higher, you can install the GoToMeeting app from the Android Market to join meetings and webinars as an attendee. We recommend using devices with a 1Ghz processor or higher for optimal performance.

Question: How can two Android applications share same Linux user ID and share same VM?

Answer: The applications must sign with the same certificate in order to share same Linux user ID and share same VM.

Question: When does Android start and end an application process?

Answer: Android starts an application process when application's component needs to be executed. It then closes the process when it's no longer needed (garbage collection).

Computer and I.T / How does Android system track the applications?
« on: April 24, 2018, 01:21:29 PM »
Question: How does Android system track the applications?

Answer: Android system assigns each application a unique ID that is called Linux user ID. This ID is used to track each application.

Question: What are Dalvik Executable files?

: Dalvik Executable files have .dex extension and are zipped into a single .apk file on the device.

Computer and I.T / What is an action? [Android Interview Question]
« on: April 24, 2018, 01:16:31 PM »
Question: What is an action?

Answer: The Intent Sender desires something or doing some task

Computer and I.T / Android application can only be programmed in Java?
« on: April 24, 2018, 01:15:22 PM »
Question: Android application can only be programmed in Java?

Answer: False. You can program Android apps in C/C++ using NDK .

Question: Can you deploy executable JARs on Android? Which packaging is supported by Android?

Answer: No. Android platform does not support JAR deployments. Applications are packed into Android Package (.apk) using Android Asset Packaging Tool (aapt) and then deployed on to Android platform. Google provides Android Development Tools for Eclipse that can be used to generate Android Package.

Question: Why cannot you run standard Java bytecode on Android?

Android uses Dalvik Virtual Machine (DVM) which requires a special bytecode. We need to convert Java class files into Dalvik Executable files using an Android tool called "dx". In normal circumstances, developers will not be using this tool directly and build tools will care for the generation of DVM compatible files.

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