android Java code for form action

I did log in form in android ,

How to add the event functionality for this login form,

Now login form display,

I 开发者_开发知识库want to add the java code ,

That is When user enter his username and password ,

Get the value into variable and page redirect and system should show , you have enter this username and password ..chk the scrren shot..

My Thread is , What is the java code for log in form ,

In general ,

How to get the textfield values and how to process It,

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TextView myText = (TextView) findViewById(R.id.MY_ID);
String password = myText.getText().toString();