Danish Hussain

Adding scroll bar in your activity in your mobile application can be done easily. e.g. You have main layout for your mobile application as below < LinearLayout xmlns: android = "http://schemas.android.com/apk/res/android" xmlns: tools = "http://schemas.android.com/tools" android :layout_width= "fill_parent" android :layout_height= "fill_parent" tools :context= "com.learning.course.letslearn.MainMenu" android :orientation= "vertical" android :layout_weight= "100" android :layout_marginLeft= "15dp" android :layout_marginRight= "15dp" android :layout_marginTop= "15dp" > ............. ............. ............. </ LinearLayout> Enclosing this with scroll view will ensure that whenever screen have less vertical space an scroll bar will be displayed xml version= "1.0" encoding= "utf-8" ?> < Scroll...

Perform following steps In your style file (app\src\main\res\values\styles.xml)  add following lines. This will create another theme with NotTitle < style name= "FullscreenTheme" parent= "AppTheme" > < item name= "windowNoTitle" >true</ item > </ style > Apply newly created style/theme to your activity using application manifest file ( app\src\main\AndroidManifest.xml) as shown in highlighted text ..... < activity android :name= ".MainMenu" android :theme= "@style/FullscreenTheme" > < intent-filter > < action android :name= "android.intent.action.MAIN" /> < category android :name= "android.intent.category.LAUNCHER" /> </ intent-filter > </ activity > ......

Use below step to change icon of your mobile application using Android Studio. Open your android application project in android studio On res folder right click and select new image asset             3.Select asset type as image and browse to select the new icon file         4.Android studio will warn you of a file override. Click finish to continue

While staring my basic application I was unable to view the layout xml in design mode. Following was my configuration. Android Studio 2.1.3 Created new project with empty activity Clicked on res/layout/activity_main.xml and tried to open and found exception java.lang.NoSuchMethodError: android.graphics.drawable.VectorDrawable_ android studio....... on clicking details I found following detail exception java.lang.NoSuchMethodError: android.graphics.drawable.VectorDrawable_Delegate.nDraw(JJJLandroid/graphics/Rect;ZZ)I at android.graphics.drawable.VectorDrawable.nDraw(VectorDrawable.java) at android.graphics.drawable.VectorDrawable.draw(VectorDrawable.java:304) at android.widget.ImageView.onDraw(ImageView.java:1286) at android.view.View.draw(View.java:17056) at android.view.View.draw(View.java:16964) at android.view.ViewGroup.drawChild_Original(ViewGroup.java:3715) at android.view.ViewGroup_Delegate.drawChild(ViewGroup_Delegate.java:61) at android.view.ViewGr...

Before staring I must say that https://developer.android.com/index.html is very nice and can give answers to most of your queries from installation, tools and sample with step by step guides. Android Studio is the essential tools that you will need to install to start mobile development. You may choose other option like eclipse however Android Studio is the quickest to start. In general the tool is very nice and can really help you to quickly pick up pace with mobile development however you may need to do little bit tweaking to make if run faster. In my case, my antivirus may give me hard time to run it quickly. I had to add certain programs (Android Studio, Emulator etc) in my antivirus exception list to make it up and running, If you have an android phone, you may use it for testing and debugging purpose. In fact this will be the fastest way to do testing and debugging of your application. Android SDK contains an emulator software that is very powerful and can build th...