Android | Chris' Laboratory

Android

26/03/201426/03/2014

Slow Android Emulator, install Intel x64 Emulator Accelerator (HAXM)

일단 먼저 읽어봐야할것들 Is your Android emulator just too slow? https://www.infinum.co/the-capsized-eight/articles/is-your-android-emulator-just-too-slow Why is the Android emulator so slow? http://stackoverflow.com/questions/1554099/why-is-the-android-emulator-so-slow 8 Tips to Speed Up Your Android ARM...

Android

04/04/201109/04/2011

Dynamic tab in android with dynamic tab content

Reference: http://stackoverflow.com/questions/4353132/dynamic-tab-in-android-with-dynamic-tab-content

Android

21/01/201111/09/2016

Android How to check network status(Both Wifi and Mobile 3G)

Original Article: http://www.androidpeople.com/android-how-to-check-network-statusboth-wifi-and-mobile-3g/ import android.net.ConnectivityManager; import android.os.Bundle; import android.widget.Toast; public class pingtest extends Activity { /** Called when the activity is first created. */ @Override public...

Android

12/01/201111/09/2016

Different list items’ layouts

Original Article: http://android.amberfog.com/?p=296 public class MultipleItemsList extends ListActivity { private MyCustomAdapter mAdapter; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); mAdapter = new MyCustomAdapter(); for...

Android

12/01/201111/09/2016

Separating Lists with Headers in Android 0.9

Original Article: http://jsharkey.org/blog/2008/08/18/separating-lists-with-headers-in-android-09/  <TextView xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/list_header_title" android:layout_width="fill_parent" android:layout_height="wrap_content" android:paddingTop="2dip" android:paddingBottom="2dip" android:paddingLeft="5dip" style="?android:attr/listSeparatorTextViewStyle" />  <TextView xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/list_item_title" android:layout_width="fill_parent" android:layout_height="fill_parent" android:paddingTop="10dip"...

Android

12/01/201111/09/2016

Android Series: GET, POST and Multipart POST requests

Original Article: http://www.softwarepassion.com/android-series-get-post-and-multipart-post-requests/ try { HttpClient client = new DefaultHttpClient(); String getURL = "http://www.google.com"; HttpGet get = new HttpGet(getURL); HttpResponse responseGet = client.execute(get); HttpEntity...

Android

04/01/201111/09/2016

Android: How to make current layout with scrollable text view?

Original Article: http://stackoverflow.com/questions/2621776/android-how-to-make-current-layout-with-scrollable-text-view -------------------- |btn1| txt1 |btn2| -------------------- | | | ...

Android

04/01/201109/04/2011

‘Localhost’ in the android emulator

Original Article: http://www.droidnova.com/ever-tried-localhost-with-the-android-emulator,102.html Local Apache/Tomcat/whatever: 10.0.2.2

Android

03/01/201111/09/2016

Android Application and AsyncTask basics

Original Article: http://www.screaming-penguin.com/node/7746 public class Main extends Activity { private static final String NAME = "NAME"; private EditText input; private Button saveButton; private Button deleteButton;...

Android

03/01/201111/09/2016

Talking To Web Servers Via HTTP In Android 1.0

Original Article: http://brainflush.wordpress.com/2008/10/17/talking-to-web-servers-via-http-in-android-10/ HttpClient httpClient = new DefaultHttpClient(); StringBuilder uriBuilder = new StringBuilder(SERVICE_ENDPOINT); uriBuilder.append("?param0=" + param0); uriBuilder.append("&param1=" + param1); uriBuilder.append("&paramN=" + paramN); HttpGet request =...

Android

03/01/201109/04/2011

Https returns 404 with DefaultHttpClient on Android?

Reference: http://stackoverflow.com/questions/3730760/https-returns-404-with-defaulthttpclient-on-android I have an http request that worked as http://blah.com and now I have been asked to usehttps://blah.com The former works and the later fails with...

Android

03/01/201109/04/2011

DroidDraw Beta

User Interface (UI) designer/editor for programming the Android Cell Phone Platform http://www.droiddraw.org/

Android

03/01/201111/09/2016

How to fix java.net.UnknownHostException on Android

Original Article: http://jesper.storm-frandsen.dk/pages/How_to_fix_java.net.UnknownHostException_on_Android.php Start the emunator manually with the following command. The trick worked for me, when everything else did not work. C:\android\tools>emulator -avd Legend78 -dns-server...

Android

01/01/201109/04/2011

Support various screen-size in the Android UI – AndroidPub

Reference : [안드앱콘1] 다양한 스크린 사이즈에서의 UI 처리 http://www.androidpub.com/?mid=android_dev_info&category=127161& amp;page=4&document_srl=320322 Points - Handle resource by folder names res/layout/my_layout.xml: Normal screen-size layout res/layout-small/my_layout.xml: Small screen-size layout res/layout-large/my_layout.xml:...

Android

01/01/201109/04/2011

Designing for Performance

Reference: http://developer.android.com/guide/practices/design/performance.html 성능을 위한 디자인 * 기본적으로 할수있다면 임시 객체를 생성하는것을 최대한 피하라. 생성된 객체가 적을 수록 UX(User Experience)에 직접적인 영향을 미치는 가비지 콜렉션(Garbage Collection)이 적게 실행된다. 1....

Android

01/01/201109/04/2011

Android Activity Life Cycle

Android

01/01/201109/04/2011

Making the Android UI Fast and Efficient by Romain Guy

Th_0230_TurboChargeYourUI-HowtomakeyourAndroidUIfastandefficient.pdfPoint!AdaptersBetter Code for efficient view redraw--------------------------------------------------------------------1. Create simple class--------------------------------------------------------------------static class ViewHolder {TextView text;ImageView icon;}--------------------------------------------------------------------2. getView()--------------------------------------------------------------------public View getView(int position, View convertView, ViewGroup parent) {ViewHolder holder;if(convertView ==...

Android

31/12/201009/04/2011

Share Google Android API Key in Eclipse with other team members

Share Google Android API Key in Eclipse with other team members Basically, default debug keystore is stored in /Users/{NAME}/.android/debug_keystore 1. Set SVN Repository and Checkout...

Android

30/12/201009/04/2011

Using the Android SDK on a Mac, Eclipse is really slow. How can I speed it up?

Original Article: http://stackoverflow.com/questions/2787055/using-the-android-sdk-on-a-mac-eclipse-is-really-slow-how-can-i-speed-it-up I'm using Eclipse + the Android SDK on a Mac running Snow Leopard to develop Android apps. Thing is, Eclipse is really...

Android

29/12/201009/04/2011

error: “The connection to adb is down, and a severe error has occured”

Original Article: http://stackoverflow.com/questions/4072706/the-connection-to-adb-is-down-and-a-severe-error-has-occured error: "The connection to adb is down, and a severe error has occured" Try below steps: 1> Close the Eclipse if running 2>...