PLC Converter -My Android application

I created new Android app for PLC Engineers to troubleshoot PLC Analog Input signal..

Download PLC Converter from Android Market

Android app upload error The icon for your application is not valid. Please use a 48x48 PNG

The icon for your application is not valid. Please use a 48x48 PNG this is most common error you will get while uploading to Android Market.


This is due to Icons resolution error in different folders.Use mspaint resize command and save it to drawable folder like below.


drawable-hdpi -72x72
drawable-mdpi-48x48
drawable-ldpi -36x36

Send email from android application | Feedback Email for android app

1,Create button in xml layout


<Button
        android:id="@+id/feedback"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="Feedback"
        android:textSize="15dp" />




2,In Java Class


   Button Myfeedbackbutton=(Button)findViewById (R.id.feedback);  (get button id)
Myfeedbackbutton.setOnClickListener(new View.OnClickListener()  (Click Listener)
  {


public void onClick(View v) {

 Intent feedback1= new Intent(android.content.Intent.ACTION_SEND);
 feedback1.setType("text/plain");
 feedback1.putExtra(android.content.Intent.EXTRA_EMAIL, new String[]{"Your Email"});
  feedback1.putExtra(android.content.Intent.EXTRA_SUBJECT, "Email Title");
  startActivity(feedback1); 
}
  
  });

Using Buttons in Android apps development

This Tutorial shows how to use Buttons in  Android apps development

1,Drag & Drop Button from Eclipse IDE

2,Select Properties and Assign name & Text Size

3,Right Click on button & select Edit ID ,Ex :Button3

4,Link this Button3 to Java by

//Start of Existing code

protected void onCreate(Bundle savedInstanceState) {   //Executes when app launched

// TODO Auto-generated method stub

super.onCreate(savedInstanceState);

setContentView(R.layout.main);            //Running Main.xml

//End of Existing code

//Start > Adding Button click event

Button Button3=(Button)findViewById (R.id.Button3);

 Button3.setOnClickListener(new View.OnClickListener() 

{

public void onClick(View v) {

// TODO Auto-generated method stub //Write your Code here

startActivity(new Intent ("com.mani.Convertor.TutorialOne")); //In my case I opened new Class

}

});

//End > Adding Button click event

Android app development SDK Installation Tutorial

Follow these steps

1,Download Java sdk JDK   and Install it

2,Download Android SDK from here and Install it

http://developer.android.com/sdk/index.html

3,Download Eclipse IDE for Java Developers from here and Install it

http://www.eclipse.org/downloads/packages/eclipse-ide-java-developers/indigosr1

4,Shortcut eclipse file to your desktop and run as Administrator

5,Go to help >Install new Software >Add

In Add Repository box Enter Name &
Enter link as https://dl-ssl.google.com/android/eclipse/ and click ok


6,Select all and Import


7,In eclipse >windows>preference>Android> Copy the Android SDK location


8,Link Android Emulator by click on Android virtual device manager

9,Add new Emulator by giving name and select Android version  >Create AVD

10,Link your project to emulator by using

Run>Run Configuration>Android Application >Click new select your project and emulator and click ok