testing

<div dir="ltr" style="text-align: left;" trbidi="on"><div class="separator" style="clear: both; text-align: center;"><a href="http://2.bp.blogspot.com/-vIOJVpadWRg/U1zMdgLWhkI/AAAAAAAAAqY/voA17om1wXY/s1600/home.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img alt="Creating First Android App" border="0" src="http://2.bp.blogspot.com/-vIOJVpadWRg/U1zMdgLWhkI/AAAAAAAAAqY/voA17om1wXY/s1600/home.jpg" title="" /></a></div><br /><br /><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 12.0pt;">Hey there, Welcome to AndroidPlus. In our last tutorial we learned <a href="http://www.androidplus.org/2014/04/how-to-install-android-sdk-eclipse.html"><b style="mso-bidi-font-weight: normal;"><i style="mso-bidi-font-style: normal;">how to install Android SDK and Eclipse in your system</i></b></a>. Today, we are going to develop our first Android App. you can say it a “Hello World” App. We will see the different types of files that are going to use in our project like XML, JAVA etc. and what is the use of these files. Finally, we will learn to run our first app in emulator as well as in your android mobile if you have one. Follow the following steps to create the first app:</span><br /><div class="MsoNormal"><br /><br /></div><div class="MsoNormal"><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 12.0pt;"></span></div><div class="MsoNormal"><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 12.0pt;"> </span></div><h2><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 18.0pt;">STEP 1- CREATING THE ANDROID PROJECT</span></h2>   <span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 12.0pt;"></span><br /><div class="MsoNormal"><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 12.0pt;"> </span></div><div class="MsoNormal"><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 12.0pt;">Follow the following steps to create your project:</span></div><div class="MsoNormal"><br /></div><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 12.0pt;"></span><br /><ol style="text-align: left;"><li><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 12.0pt;">Run Eclipse go to File-->New-->Project.</span><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 12.0pt;"> </span></li></ol><br /><div class="separator" style="clear: both; text-align: center;"><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 12.0pt;"><a href="http://1.bp.blogspot.com/-eaW25m-8G5I/U1zAfIUBvJI/AAAAAAAAAng/NdEZMMVq-RM/s1600/first.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img alt="Creating First Android App" border="0" height="358" src="http://1.bp.blogspot.com/-eaW25m-8G5I/U1zAfIUBvJI/AAAAAAAAAng/NdEZMMVq-RM/s1600/first.jpg" title="" width="640" /></a></span></div><div><br /><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 12.0pt;">   2.  Now in new project tab select Android-->Android Application Project.</span><br /><br /><div class="separator" style="clear: both; text-align: center;"><a href="http://1.bp.blogspot.com/-JKKdVrf-WeY/U1zCXqbqIDI/AAAAAAAAAno/NaoRYEoc1Wk/s1600/second.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img alt="Creating First Android App" border="0" height="358" src="http://1.bp.blogspot.com/-JKKdVrf-WeY/U1zCXqbqIDI/AAAAAAAAAno/NaoRYEoc1Wk/s1600/second.png" title="" width="640" /></a></div><br /><br /><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 12.0pt;">3.   </span><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 12.0pt;"><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 12.0pt; mso-ansi-language: EN-US; mso-bidi-font-family: "Times New Roman"; mso-bidi-language: AR-SA; mso-bidi-theme-font: minor-bidi; mso-fareast-font-family: "Times New Roman"; mso-fareast-language: EN-US; mso-fareast-theme-font: minor-fareast;">Give the name for the application, Project name and package name. Each application  always has unique package name. Select theminimum SDK version, Target SDK, Compile  with and Theme as shown in screenshot. Here, I have selected Android 2.3 (Gingerbread), you can select the version you have downloaded.</span> </span><br /><br /><br /><div class="separator" style="clear: both; text-align: center;"><a href="http://4.bp.blogspot.com/-IdvtAMEenjA/U1zC3-2s3QI/AAAAAAAAAnw/E_u5BN-zQV0/s1600/third.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img alt="Creating First Android App" border="0" height="358" src="http://4.bp.blogspot.com/-IdvtAMEenjA/U1zC3-2s3QI/AAAAAAAAAnw/E_u5BN-zQV0/s1600/third.png" title="" width="640" /></a></div><br /><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 12.0pt;"><br /></span><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 12.0pt;"></span><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 12.0pt; mso-bidi-font-family: Georgia; mso-fareast-font-family: Georgia;"><span style="mso-list: Ignore;"><span style="font: 7.0pt "Times New Roman";"> </span></span></span><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 12.0pt;">4. Now for next few windows select the settings as shown in screenshots.</span><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 12.0pt;">  </span><br /><br /><br /><div class="separator" style="clear: both; text-align: center;"><a href="http://3.bp.blogspot.com/-50UwycenjwU/U1zDRYS4lWI/AAAAAAAAAn4/zgAsvN9oaLQ/s1600/forth.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img alt="Creating First Android App" border="0" height="358" src="http://3.bp.blogspot.com/-50UwycenjwU/U1zDRYS4lWI/AAAAAAAAAn4/zgAsvN9oaLQ/s1600/forth.png" title="" width="640" /></a></div><br /><br /><div class="separator" style="clear: both; text-align: center;"><a href="http://4.bp.blogspot.com/-YTnNoXE5PMM/U1zDXvcL61I/AAAAAAAAAoE/GUKHPjGvbPI/s1600/fifth.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img alt="Creating First Android App" border="0" height="358" src="http://4.bp.blogspot.com/-YTnNoXE5PMM/U1zDXvcL61I/AAAAAAAAAoE/GUKHPjGvbPI/s1600/fifth.png" title="" width="640" /></a></div><br /><br /><div class="separator" style="clear: both; text-align: center;"><a href="http://3.bp.blogspot.com/-a3ERpmUqn8w/U1zDqS2psFI/AAAAAAAAAoI/HzyKg7MglDw/s1600/seven.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img alt="Creating First Android App" border="0" height="358" src="http://3.bp.blogspot.com/-a3ERpmUqn8w/U1zDqS2psFI/AAAAAAAAAoI/HzyKg7MglDw/s1600/seven.png" title="" width="640" /></a></div><br /><br /><br /><div class="separator" style="clear: both; text-align: center;"><a href="http://2.bp.blogspot.com/-fvcM8k_-81I/U1zDwXtJJ2I/AAAAAAAAAoQ/TXoYTrvTxQU/s1600/eight.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img alt="Creating First Android App" border="0" height="358" src="http://2.bp.blogspot.com/-fvcM8k_-81I/U1zDwXtJJ2I/AAAAAAAAAoQ/TXoYTrvTxQU/s1600/eight.png" title="" width="640" /></a></div><br /><br /> <br /><div class="MsoNormal"><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 12.0pt;">Here, we are using blank activity in later tutorials we will learn to work on full screen activity.</span></div><br /><br /><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 12.0pt;"></span><br /><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 12.0pt;"><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 12.0pt; mso-ansi-language: EN-US; mso-bidi-font-family: "Times New Roman"; mso-bidi-language: AR-SA; mso-bidi-theme-font: minor-bidi; mso-fareast-font-family: "Times New Roman"; mso-fareast-language: EN-US; mso-fareast-theme-font: minor-fareast;">5. In package explorer you can see the different folders like ‘src’, ‘gen’, ’assets’, ’bin’ etc.</span></span><br /><br /><br /><div class="separator" style="clear: both; text-align: center;"><a href="http://2.bp.blogspot.com/-h8_6mAxg4H4/U1zEGdAM5_I/AAAAAAAAAoc/0tMZ-5j2bl0/s1600/9th.PNG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="200" src="http://2.bp.blogspot.com/-h8_6mAxg4H4/U1zEGdAM5_I/AAAAAAAAAoc/0tMZ-5j2bl0/s1600/9th.PNG" width="126" /> </a> </div><br /><br /><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 12.0pt;"><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 12.0pt; mso-ansi-language: EN-US; mso-bidi-font-family: "Times New Roman"; mso-bidi-language: AR-SA; mso-bidi-theme-font: minor-bidi; mso-fareast-font-family: "Times New Roman"; mso-fareast-language: EN-US; mso-fareast-theme-font: minor-fareast;"></span></span><br /><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 12.0pt;"><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 12.0pt; mso-ansi-language: EN-US; mso-bidi-font-family: "Times New Roman"; mso-bidi-language: AR-SA; mso-bidi-theme-font: minor-bidi; mso-fareast-font-family: "Times New Roman"; mso-fareast-language: EN-US; mso-fareast-theme-font: minor-fareast;"></span></span><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 12.0pt; mso-bidi-font-family: Georgia; mso-fareast-font-family: Georgia;"><span style="mso-list: Ignore;"><span style="font: 7.0pt "Times New Roman";"></span></span></span><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 12.0pt;">6. In these folders we only have to concern with ‘src’ folder, ‘res’ folder and ‘gen’ folder. For now forget about all the others folder. Now Let us look at these folders and what type of files they contain:</span><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 12.0pt;"><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 12.0pt; mso-ansi-language: EN-US; mso-bidi-font-family: "Times New Roman"; mso-bidi-language: AR-SA; mso-bidi-theme-font: minor-bidi; mso-fareast-font-family: "Times New Roman"; mso-fareast-language: EN-US; mso-fareast-theme-font: minor-fareast;">  </span></span><br /><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 12.0pt;"><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 12.0pt; mso-ansi-language: EN-US; mso-bidi-font-family: "Times New Roman"; mso-bidi-language: AR-SA; mso-bidi-theme-font: minor-bidi; mso-fareast-font-family: "Times New Roman"; mso-fareast-language: EN-US; mso-fareast-theme-font: minor-fareast;"><br /></span></span><br /><ul style="text-align: left;"><li><b style="mso-bidi-font-weight: normal;"><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 12.0pt;">SRC FOLDER: </span></b><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 12.0pt;">It is source folder. It contains the different packages and each package contain the different java classes.Where each class shows the activity of that class and each activity show the different methods used in that activity. Like ‘onCreate(Bundle)’ is a method.</span></li></ul></div><div class="separator" style="clear: both; text-align: center;"><a href="http://3.bp.blogspot.com/-PVGy7vX9icM/U1zE_MjscuI/AAAAAAAAAok/SjpHTTVBlbU/s1600/10th.PNG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="145" src="http://3.bp.blogspot.com/-PVGy7vX9icM/U1zE_MjscuI/AAAAAAAAAok/SjpHTTVBlbU/s1600/10th.PNG" width="400" /></a></div><div></div><div><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 12.0pt;"><br /></span></div><div><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 12.0pt;"><br /></span></div><div><br /><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 12.0pt; mso-ansi-language: EN-US; mso-bidi-font-family: "Times New Roman"; mso-bidi-language: AR-SA; mso-bidi-theme-font: minor-bidi; mso-fareast-font-family: "Times New Roman"; mso-fareast-language: EN-US; mso-fareast-theme-font: minor-fareast;">Now double click on ‘MainActivity’ class to open. You can see the java code.</span></div><div></div><div></div><div class="separator" style="clear: both; text-align: center;"><a href="http://2.bp.blogspot.com/-hF4RG_gt06A/U1zFkbsqG7I/AAAAAAAAAoo/RrrCJ3EV4ak/s1600/11.PNG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="220" src="http://2.bp.blogspot.com/-hF4RG_gt06A/U1zFkbsqG7I/AAAAAAAAAoo/RrrCJ3EV4ak/s1600/11.PNG" width="400" /></a></div><div><ul><li><b style="mso-bidi-font-weight: normal;"><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 12.0pt; mso-ansi-language: EN-US; mso-bidi-font-family: "Times New Roman"; mso-bidi-language: AR-SA; mso-bidi-theme-font: minor-bidi; mso-fareast-font-family: "Times New Roman"; mso-fareast-language: EN-US; mso-fareast-theme-font: minor-fareast;">GEN FOLDER: </span></b><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 12.0pt; mso-ansi-language: EN-US; mso-bidi-font-family: "Times New Roman"; mso-bidi-language: AR-SA; mso-bidi-theme-font: minor-bidi; mso-fareast-font-family: "Times New Roman"; mso-fareast-language: EN-US; mso-fareast-theme-font: minor-fareast;">This folder contain the package and java files which build automatically by the system. You can see two java files in it, BuildConfig.java and R.java.</span></li></ul></div><div><br /><div class="separator" style="clear: both; text-align: center;"><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 12.0pt; mso-ansi-language: EN-US; mso-bidi-font-family: "Times New Roman"; mso-bidi-language: AR-SA; mso-bidi-theme-font: minor-bidi; mso-fareast-font-family: "Times New Roman"; mso-fareast-language: EN-US; mso-fareast-theme-font: minor-fareast;"><a href="http://3.bp.blogspot.com/-agOz811_jO0/U1zF1ir9stI/AAAAAAAAAow/ihLMRAVCUK4/s1600/13.PNG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="99" src="http://3.bp.blogspot.com/-agOz811_jO0/U1zF1ir9stI/AAAAAAAAAow/ihLMRAVCUK4/s1600/13.PNG" width="320" /></a></span></div><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 12.0pt; mso-ansi-language: EN-US; mso-bidi-font-family: "Times New Roman"; mso-bidi-language: AR-SA; mso-bidi-theme-font: minor-bidi; mso-fareast-font-family: "Times New Roman"; mso-fareast-language: EN-US; mso-fareast-theme-font: minor-fareast;"></span></div><div></div><div></div><div><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 12.0pt; mso-ansi-language: EN-US; mso-bidi-font-family: "Times New Roman"; mso-bidi-language: AR-SA; mso-bidi-theme-font: minor-bidi; mso-fareast-font-family: "Times New Roman"; mso-fareast-language: EN-US; mso-fareast-theme-font: minor-fareast;"> </span> <br /><div class="MsoNormal"><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 12.0pt;">BuildConfig.java file is necessary for debugging of the project where R.java files contains all the ID’S used, attributes used, Any media files used etc. with their address.</span></div><div class="MsoNormal"><br /></div><div class="MsoNormal"><br /></div><div class="MsoNormal"><br /></div><div class="separator" style="clear: both; text-align: center;"><a href="http://2.bp.blogspot.com/-TxlJlzZezPs/U1zGAWYuQgI/AAAAAAAAAo4/JhTDuJIynJ0/s1600/14.PNG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="310" src="http://2.bp.blogspot.com/-TxlJlzZezPs/U1zGAWYuQgI/AAAAAAAAAo4/JhTDuJIynJ0/s1600/14.PNG" width="640" /></a></div><br /><div class="MsoNormal"><br /></div><div class="MsoNormal"><br /></div><div class="MsoNormal"><br /></div><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 12.0pt; mso-ansi-language: EN-US; mso-bidi-font-family: "Times New Roman"; mso-bidi-language: AR-SA; mso-bidi-theme-font: minor-bidi; mso-fareast-font-family: "Times New Roman"; mso-fareast-language: EN-US; mso-fareast-theme-font: minor-fareast;"></span> </div><div><ul style="text-align: left;"><li><span lang="EN-US" style="font-family: Symbol; font-size: 12.0pt; mso-bidi-font-family: Symbol; mso-fareast-font-family: Symbol;"><span style="mso-list: Ignore;"><span style="font: 7.0pt "Times New Roman";"></span></span></span><b style="mso-bidi-font-weight: normal;"><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 12.0pt;">RES FOLDER:</span></b><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 12.0pt;"> It is resource folder. It contains the folders which contain your media files such as images, audios, videos etc. this folder also contains the XML files. XML files helps you to make and edit the layout of the app. It is more likely to CSS to design the screen. You have to add the xml files in layout folders only. </span></li></ul><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 12.0pt;">Now in <b style="mso-bidi-font-weight: normal;">layout folder</b> open ‘activity_main.xml’. You can see the graphical layout or the XML code of that file.</span></div><div></div><div></div><div><br /><div class="separator" style="clear: both; text-align: center;"><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 12.0pt;"><a href="http://3.bp.blogspot.com/-cRnb8Q8MDKQ/U1zGTd0xxKI/AAAAAAAAApA/lPK6nExCuow/s1600/15.PNG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="http://3.bp.blogspot.com/-cRnb8Q8MDKQ/U1zGTd0xxKI/AAAAAAAAApA/lPK6nExCuow/s1600/15.PNG" /></a></span></div><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 12.0pt;"></span></div><div></div><div></div><div><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 12.0pt;"> <table align="center" cellpadding="0" cellspacing="0" class="tr-caption-container" style="margin-left: auto; margin-right: auto; text-align: center;"><tbody><tr><td style="text-align: center;"><a href="http://4.bp.blogspot.com/-i9sAqF43NTA/U1zGcsOYbLI/AAAAAAAAApI/a3TYVc4nle0/s1600/16.PNG" imageanchor="1" style="margin-left: auto; margin-right: auto;"><img alt="Creating First Android App" border="0" height="313" src="http://4.bp.blogspot.com/-i9sAqF43NTA/U1zGcsOYbLI/AAAAAAAAApI/a3TYVc4nle0/s1600/16.PNG" title="" width="640" /></a></td></tr><tr><td class="tr-caption" style="text-align: center;">LAYOUT VIEW</td></tr></tbody></table></span></div><div></div><div></div><table align="center" cellpadding="0" cellspacing="0" class="tr-caption-container" style="margin-left: auto; margin-right: auto; text-align: center;"><tbody><tr><td style="text-align: center;"><a href="http://1.bp.blogspot.com/-0AJjtbtAZZI/U1zGlk3-2fI/AAAAAAAAApQ/KQCpQk1oAgA/s1600/17.PNG" imageanchor="1" style="margin-left: auto; margin-right: auto;"><img border="0" height="312" src="http://1.bp.blogspot.com/-0AJjtbtAZZI/U1zGlk3-2fI/AAAAAAAAApQ/KQCpQk1oAgA/s1600/17.PNG" width="640" /></a></td></tr><tr><td class="tr-caption" style="text-align: center;">XML VIEW</td></tr></tbody></table><div></div><div></div><div><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 12.0pt;"> </span> <br /><div class="MsoNormal"><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 12.0pt;">You can either directly drag different buttons, text views etc. in graphical layout or you can write the code in xml file. Let’s try to understand the bit of the code-</span></div><div class="MsoNormal"><br /></div><div class="MsoNormal" style="text-align: center;"><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 12.0pt;">  </span><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 12.0pt;"></span></div><div class="MsoNormal" style="margin-bottom: .0001pt; margin-bottom: 0cm; mso-layout-grid-align: none; text-autospace: none;"><span lang="EN-US" style="color: teal; font-family: Consolas; font-size: 10.0pt;"><</span><span lang="EN-US" style="color: #3f7f7f; font-family: Consolas; font-size: 10.0pt;">TextView</span><span lang="EN-US" style="font-family: Consolas; font-size: 10.0pt;"></span></div><div class="MsoNormal" style="margin-bottom: .0001pt; margin-bottom: 0cm; mso-layout-grid-align: none; text-autospace: none;"><span lang="EN-US" style="color: #7f007f; font-family: Consolas; font-size: 10.0pt;">android:layout_width</span><span lang="EN-US" style="color: black; font-family: Consolas; font-size: 10.0pt;">=</span><i><span lang="EN-US" style="color: #2a00ff; font-family: Consolas; font-size: 10.0pt;">"wrap_content"</span></i><span lang="EN-US" style="font-family: Consolas; font-size: 10.0pt;"></span></div><div class="MsoNormal" style="margin-bottom: .0001pt; margin-bottom: 0cm; mso-layout-grid-align: none; text-autospace: none;"><span lang="EN-US" style="color: #7f007f; font-family: Consolas; font-size: 10.0pt;">android:layout_height</span><span lang="EN-US" style="color: black; font-family: Consolas; font-size: 10.0pt;">=</span><i><span lang="EN-US" style="color: #2a00ff; font-family: Consolas; font-size: 10.0pt;">"wrap_content"</span></i><span lang="EN-US" style="font-family: Consolas; font-size: 10.0pt;"></span></div><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 12.0pt;"></span><br /><div class="MsoNormal"><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 12.0pt;"><span lang="EN-US" style="color: #7f007f; font-family: Consolas; font-size: 10.0pt;">android:text</span><span lang="EN-US" style="color: black; font-family: Consolas; font-size: 10.0pt;">=</span><i><span lang="EN-US" style="color: #2a00ff; font-family: Consolas; font-size: 10.0pt;">"@string/hello_world"</span></i><span lang="EN-US" style="color: teal; font-family: Consolas; font-size: 10.0pt;">/></span></span></div><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 12.0pt;"></span><br /><div class="MsoNormal"><br /></div><div class="MsoNormal"><br /></div><div class="MsoNormal"> </div><div class="MsoNormal"><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 12.0pt;">Here, <b style="mso-bidi-font-weight: normal;">‘TextView’</b> is an area in our layout, used to show any text. <i style="mso-bidi-font-style: normal;">layout_width</i>and<i style="mso-bidi-font-style: normal;">layout_height</i> are defined as <i style="mso-bidi-font-style: normal;">“wrap_content” </i><span style="mso-spacerun: yes;"> </span>it means that it wrap the text view and take space or area of the text. See the example:</span></div><div class="MsoNormal"><br /></div><div class="separator" style="clear: both; text-align: center;"><a href="http://4.bp.blogspot.com/-vu80_PScTQc/U1zHboFQtFI/AAAAAAAAApY/SQyOnKjHO5o/s1600/19.PNG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="http://4.bp.blogspot.com/-vu80_PScTQc/U1zHboFQtFI/AAAAAAAAApY/SQyOnKjHO5o/s1600/19.PNG" /></a></div><div class="MsoNormal"><br /></div><br /><div class="MsoNormal"><br /></div><div class="MsoNormal"> </div><div class="MsoNormal"><b style="mso-bidi-font-weight: normal;"><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 12.0pt;">“android:text”</span></b><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 12.0pt;"> shows the text or string in the textview.<b style="mso-bidi-font-weight: normal;">“@string/hello_world”</b>refers to string available in values folder with id as <b style="mso-bidi-font-weight: normal;">‘hello_world’</b>. To change the string from“Hello world” to another replace <b style="mso-bidi-font-weight: normal;">android:text=”@string/hello_world”</b>to this:</span></div><div class="MsoNormal"><br /></div><div class="MsoNormal"><b style="mso-bidi-font-weight: normal;"><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 12.0pt;">                                                           android:text=”your name” </span></b><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 12.0pt;">  </span></div><div class="MsoNormal"><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 12.0pt;"></span></div><div class="MsoNormal"><br /></div><div class="MsoNormal"><br /></div><div class="MsoNormal"><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 12.0pt;">7. Go to File-->save all.</span></div><div class="MsoNormal"><br /></div><div class="MsoNormal"><br /></div><div class="MsoNormal"><br /></div><div class="MsoNormal"><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 12.0pt;"></span></div><br /><div class="MsoNormal"><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 12.0pt;"> </span></div><h2><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 18.0pt;">STEP 2- RUNNING YOUR ANDROID PROJECT </span></h2><div class="MsoNormal"><br /></div><div class="MsoNormal"><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 16.0pt;">METHOD#1:<span style="mso-spacerun: yes;">  </span>RUNNING ANDROID APPLICATION ON EMULATOR</span></div><br /><div class="MsoNormal"><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 12.0pt;"><br /></span></div><div class="MsoNormal"><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 12.0pt;"><br /></span></div><div class="MsoNormal"><br /></div><div class="MsoNormal"> </div><div class="MsoNormal"><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 12.0pt;">To run your project in an emulator you first need to create the virtual device first. Follow the steps to create a virtual device:</span></div><div class="MsoListParagraph" style="margin-left: 54.0pt; mso-add-space: auto; mso-list: l0 level1 lfo1; text-indent: -18.0pt;"><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 12.0pt; mso-bidi-font-family: Georgia; mso-fareast-font-family: Georgia;"><span style="mso-list: Ignore;">1.<span style="font: 7.0pt "Times New Roman";">       </span></span></span><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 12.0pt;">Go to Window-->Android Virtual Device Manager.</span></div><div class="MsoNormal"><br /></div><div class="separator" style="clear: both; text-align: center;"><a href="http://4.bp.blogspot.com/-vcF8xIBjtbQ/U1zIlG1yWzI/AAAAAAAAApk/ZQXwLOoazXw/s1600/20.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="358" src="http://4.bp.blogspot.com/-vcF8xIBjtbQ/U1zIlG1yWzI/AAAAAAAAApk/ZQXwLOoazXw/s1600/20.png" width="640" /></a></div><div class="MsoNormal"><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 12.0pt;"><br /></span></div><div class="MsoNormal"><br /></div><div class="MsoNormal"><br /></div><div class="MsoListParagraph" style="margin-left: 54.0pt; mso-add-space: auto; mso-list: l0 level1 lfo1; text-indent: -18.0pt;"><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 12.0pt; mso-bidi-font-family: Georgia; mso-fareast-font-family: Georgia;"><span style="mso-list: Ignore;">2.<span style="font: 7.0pt "Times New Roman";">      </span></span></span><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 12.0pt;">Create a new AVD by clicking new.</span></div><div class="MsoNormal"><br /></div><div class="MsoNormal"><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 12.0pt;"><br /></span></div><div class="separator" style="clear: both; text-align: center;"><a href="http://1.bp.blogspot.com/-0HjlzBK_468/U1zIrJZivFI/AAAAAAAAAps/q2e_rDNVm5c/s1600/21.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="282" src="http://1.bp.blogspot.com/-0HjlzBK_468/U1zIrJZivFI/AAAAAAAAAps/q2e_rDNVm5c/s1600/21.png" width="400" /></a></div><div class="MsoNormal"><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 12.0pt;"><br /></span></div><div class="MsoNormal"><br /></div><div class="MsoListParagraph" style="margin-left: 54.0pt; mso-add-space: auto; mso-list: l0 level1 lfo1; text-indent: -18.0pt;"><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 12.0pt; mso-bidi-font-family: Georgia; mso-fareast-font-family: Georgia;"><span style="mso-list: Ignore;">3.<span style="font: 7.0pt "Times New Roman";">      </span></span></span><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 12.0pt;">Enter the AVD name, Select Device, Target as shown in screenshot.</span></div><div class="MsoNormal"><br /></div><div class="MsoNormal"><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 12.0pt;"><br /></span></div><div class="separator" style="clear: both; text-align: center;"><a href="http://4.bp.blogspot.com/-el52vNF2uUU/U1zIxQ-0-OI/AAAAAAAAAp0/pZCFB78WqYU/s1600/22.PNG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="320" src="http://4.bp.blogspot.com/-el52vNF2uUU/U1zIxQ-0-OI/AAAAAAAAAp0/pZCFB78WqYU/s1600/22.PNG" width="199" /></a></div><div class="MsoNormal"><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 12.0pt;"><br /></span></div><div class="MsoNormal"><br /></div><div class="MsoListParagraph" style="margin-left: 54.0pt; mso-add-space: auto; mso-list: l0 level1 lfo1; text-indent: -18.0pt;"><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 12.0pt; mso-bidi-font-family: Georgia; mso-fareast-font-family: Georgia;"><span style="mso-list: Ignore;">4.<span style="font: 7.0pt "Times New Roman";">      </span></span></span><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 12.0pt;">Your virtual device is created, To run your code go to your folder name right click on it, then Run As-->Android application.</span></div><div class="MsoNormal"><br /></div><div class="separator" style="clear: both; text-align: center;"><a href="http://4.bp.blogspot.com/-VChQz0ICw4Q/U1zI26HKe2I/AAAAAAAAAp8/jf_UfbNwPg4/s1600/23.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="358" src="http://4.bp.blogspot.com/-VChQz0ICw4Q/U1zI26HKe2I/AAAAAAAAAp8/jf_UfbNwPg4/s1600/23.png" width="640" /></a></div><div class="MsoNormal"><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 12.0pt;"><br /></span></div><div class="MsoNormal"><br /></div><div class="MsoNormal"><br /></div><div class="MsoListParagraph" style="margin-left: 54.0pt; mso-add-space: auto; mso-list: l0 level1 lfo1; text-indent: -18.0pt;"><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 12.0pt; mso-bidi-font-family: Georgia; mso-fareast-font-family: Georgia;"><span style="mso-list: Ignore;">5.<span style="font: 7.0pt "Times New Roman";">      </span></span></span><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 12.0pt;">Now you can see the virtual device running and application will automatically run on the virtual device.</span></div><div class="MsoNormal"><br /></div><div class="MsoNormal"><br /></div><div class="MsoNormal"><br /></div><div class="separator" style="clear: both; text-align: center;"><a href="http://2.bp.blogspot.com/-55u5qHAMjPk/U1zI-TqJBJI/AAAAAAAAAqI/wNwG05FMxqY/s1600/emulator.PNG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="400" src="http://2.bp.blogspot.com/-55u5qHAMjPk/U1zI-TqJBJI/AAAAAAAAAqI/wNwG05FMxqY/s1600/emulator.PNG" width="351" /></a></div><br /><div class="MsoNormal"><br /></div><div class="MsoNormal"><br /></div><div class="MsoNormal"><br /></div><div class="MsoNormal"><br /></div><div class="MsoNormal"> </div><div class="MsoNormal"><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 16.0pt;">METHOD#2:<span style="mso-spacerun: yes;">  </span>RUNNING ANDROID APPLICATION ON ACTIVE DEVICES (ON YOUR ANDROID MOBILE)</span></div><div class="MsoNormal"><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 16.0pt;">  </span></div><div class="MsoNormal"><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 12.0pt;">To run the source code as application on your mobile follow these steps:</span></div><div class="MsoNormal"><br /></div><br /><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 12.0pt; mso-bidi-font-family: Georgia; mso-fareast-font-family: Georgia;"><span style="mso-list: Ignore;">1.<span style="font: 7.0pt "Times New Roman";">       </span></span></span><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 12.0pt;">In your mobile go to Settings-->Applications-->Development. Check the USB debugging.</span></div><div><br /><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 12.0pt; mso-bidi-font-family: Georgia; mso-fareast-font-family: Georgia;"><span style="mso-list: Ignore;">2.<span style="font: 7.0pt "Times New Roman";">      </span></span></span><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 12.0pt;">Connect your mobile with your System using USB cable.</span><br /><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 12.0pt;"></span><br /><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 12.0pt; mso-bidi-font-family: Georgia; mso-fareast-font-family: Georgia;"><span style="mso-list: Ignore;">3.<span style="font: 7.0pt "Times New Roman";">      </span></span></span><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 12.0pt;">Right click on your project folder then Run As-->Run Configurations.</span><br /><br /><br /><span id="goog_1818373064"></span><span id="goog_1818373065"></span><a href="http://4.bp.blogspot.com/-AJNTevb9PdY/U1zJdgazhuI/AAAAAAAAAqQ/ZbhQYJpuxgg/s1600/24.png" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="358" src="http://4.bp.blogspot.com/-AJNTevb9PdY/U1zJdgazhuI/AAAAAAAAAqQ/ZbhQYJpuxgg/s1600/24.png" width="640" /></a><br /><br /><br /><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 12.0pt; mso-bidi-font-family: Georgia; mso-fareast-font-family: Georgia;"><span style="mso-list: Ignore;">4.<span style="font: 7.0pt "Times New Roman";">      </span></span></span><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 12.0pt;">Go to ‘target’ tab, check ‘Launch on all compatible devices/AVD’s</span><br /><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 12.0pt;"></span><br /><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 12.0pt; mso-bidi-font-family: Georgia; mso-fareast-font-family: Georgia;"><span style="mso-list: Ignore;">5.<span style="font: 7.0pt "Times New Roman";">      </span></span></span><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 12.0pt;">Click apply and run.</span><br /><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 12.0pt;"></span><br /><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 12.0pt; mso-bidi-font-family: Georgia; mso-fareast-font-family: Georgia;"><span style="mso-list: Ignore;">6.<span style="font: 7.0pt "Times New Roman";">      </span></span></span><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 12.0pt;">Application will run in your android mobile.</span><br /><br /><br /><div class="MsoNormal"><br /></div><div class="MsoNormal"> </div><div class="MsoNormal"><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 12.0pt;">Guys, that’s it for today, now you have the basics knowledge of the files used in an android application. You learned what is package, what are classes, what are methods, what is XML file etc. You also learned to run the application in virtual device and in your android mobile as well.</span></div><div class="MsoNormal"><br /></div><div class="MsoNormal"><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 12.0pt;">In our next tutorial we will learn more about the XML. We will learn to design few screens, learn to include media files such as audio, images etc. we will create the form screen and much more. Hope you understood the tutorial very well, In case you get any difficulty leave your comment.<a href="https://www.blogger.com/null" name="_GoBack"></a></span></div><br /><br /><div class="MsoNormal"></div><div class="MsoNormal"><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 12.0pt;"><br /></span></div><div class="MsoListParagraph" style="mso-list: l0 level1 lfo1; text-indent: -18.0pt;"><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 12.0pt;"><br /></span></div><br /><br /><div class="MsoNormal" style="text-align: center;"><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 12.0pt;"></span></div><span lang="EN-US" style="color: teal; font-family: Consolas; font-size: 10.0pt;"></span><span lang="EN-US" style="font-family: "Georgia","serif"; font-size: 12.0pt;"> </span></div></div>

Creating First Android App and Deploying on Virtual Device and Active Device [TUTORIAL 2]

android Android apps Android Development Android Tutorials Creating First Android App and Deploying on Virtual Device and Active Device [TUTORIAL 2]

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Creating First Android App and Deploying on Virtual Device and Active Device [TUTORIAL 2]