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Android

Eclipse Issue on Os X Yosemite – To open “Eclipse” you need to install the legacy Java SE 6 runtime

April 24, 2015 by Lorensius Londa Leave a Comment

Recently i just upgraded my Macbook Pro to the new Macbook Retina Display (mid 2014) that comes default with OS X Yosemite 10.10.1. After installing Java JDK 1.8, all my Android IDE (Eclipse and Android Studio) work well so i can continue my development as usual. The problem comes when i update the … [Read more...] about Eclipse Issue on Os X Yosemite – To open “Eclipse” you need to install the legacy Java SE 6 runtime

Blue Bamboo P25 Printer Android Demo Application With Source Code

February 28, 2014 by Lorensius Londa 22 Comments

Blue Bamboo P25 printer is a lightweight and portable thermal printer that provides low cost printing in mobile and wireless environments. It supports mobile application printing over Bluetooth, USB or Serial port (RS-232). It also has a good connectivity with Android device, makes printing from … [Read more...] about Blue Bamboo P25 Printer Android Demo Application With Source Code

How to Programmatically Pair or Unpair Android Bluetooth Device

February 20, 2014 by Lorensius Londa 24 Comments

In bluetooth wireless communication, if two devices want to connect and share data, they have to be paired first. To be paired means the two devices are aware of each other's existence and trusted each other.  Using Android Bluetooth API, we can use createBond method to pair with a device … [Read more...] about How to Programmatically Pair or Unpair Android Bluetooth Device

How to Programmatically Scan or Discover Android Bluetooth Devices

February 20, 2014 by Lorensius Londa 14 Comments

Through Android Bluetooth API, developers can access most of bluetooth functionalities and let the applications wirelessly connect to bluetooth devices. Before connecting to a device, an application must discover or scan available bluetooth devices, request pairing and connect to the device.   … [Read more...] about How to Programmatically Scan or Discover Android Bluetooth Devices

How to Make Android ListView or GridView Expandable inside ScrollView

February 17, 2014 by Lorensius Londa 14 Comments

We all know that placing a ListView or GridView inside ScrollView will make them becoming difficult to scroll and can not be expanded. Android doesn't provide a built in API to handle this problem so we have to do a little hack by subclassing those two views. This is hack i found on … [Read more...] about How to Make Android ListView or GridView Expandable inside ScrollView

How to Convert Time in Milliseconds into Relative Time Format in Android

February 14, 2014 by Lorensius Londa 2 Comments

Relative time format like "moments ago" or "5 minutes ago" or "one month ago" like those in Facebook, Twitter or other social media makes the time information easy to read and human readable. In Android we can use built in API DateUtils or external java library Prettytime to implement this … [Read more...] about How to Convert Time in Milliseconds into Relative Time Format in Android

Solution to Make an Android App Visible to All Devices in Google Play When Using Specific Feature

February 11, 2014 by Lorensius Londa Leave a Comment

As we know, Google Play filters android applications that are visible to user by comparing features that required by the application with the features available on the device. Android requires specific tags to be declared on manifest file when using a  specific feature. Commonly use tags are … [Read more...] about Solution to Make an Android App Visible to All Devices in Google Play When Using Specific Feature

How to Make Android Map Scrollable Inside a ScrollView Layout

February 10, 2014 by Lorensius Londa 11 Comments

Technically, placing a map view  inside a ScrollView layout container can make the map becoming difficult to scroll. This is because the scrollable layout container will intercept the touch event so the map will lose the touch event, making it difficult to scroll or pan. This happens either on … [Read more...] about How to Make Android Map Scrollable Inside a ScrollView Layout

Google Wallet Merchant Registration Available in Additional Countries

February 9, 2014 by Lorensius Londa Leave a Comment

Good news for Android developers, Google currently introducing Google Wallet Merchant registration availability for Google Play Developers in additional countries. Starts from Feb 6 2014, developers from Indonesia, Malaysia, The Philippines, and Thailand will be able to sign up as merchants through … [Read more...] about Google Wallet Merchant Registration Available in Additional Countries

Android Tips: How to Place Image or Logo at The Center of Actionbar

January 24, 2014 by Lorensius Londa 1 Comment

When building an Android application, sometimes we need to put  application logo at the center of Actionbar. Android doesn't provide a straight method to place a logo image at the center of Actionbar so we have to make a custom layout contains the logo image and place it on Actionbar using custom … [Read more...] about Android Tips: How to Place Image or Logo at The Center of Actionbar

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