How to Work with Android Sqlite & Perform CURD Opration

How to Work with Android Sqlite & Perform CURD Opration

hi everyone In this video tutorial i try to explain how to work with Sqlite database & how to perform CURD operation in your android application

How to call one Servlet to Other Servlet

How to call one Servlet to Other Servlet

How to use the Intent In Andorid

How to use the Intent In Andorid

In this video i explain the how to invoke one activity to other activity by using Intent Object in android.

Android WebServices with java Servlet & MySQL by using HttpPost

Android WebServices with java Servlet & MySQL by using HttpPost

Basic information about LinerLayout

Basic information about LinerLayout

Make Custom Design For EditText

Custom Design For EditText In Android By using External .Xml file

Have you any question than put your question in comment i will back to you.

FatchValueFromEditText

Fatch Value From EditText And Display in TextView

Step:-1 Create  New Android Project.

         Ex:-

Step :-2 Go to res/layout open activity_main.xml file and Edit it.

         :-android Text come from the value/string.xml folder

          :-copy below code and paste it you will get the reg layout.

< RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
tools:context=".MainActivity" >
< TextView
android:id="@+id/title"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerHorizontal="true"
android:text="@string/Title"
android:textSize="20sp" / >
< TextView
android:id="@+id/msg"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="@id/title"
android:text="Your Message" />

< EditText
android:id="@+id/entermsg"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="@id/msg"
android:hint="Enter Your Message" / >

< Button
android:id="@+id/sub"
android:layout_height="wrap_content"
android:layout_width="wrap_content"
android:layout_below="@id/entermsg"
android:layout_centerHorizontal="true"
android:text="Submit"
/>
< /RelativeLayout>

STEP 3:-Now go to src/MainActivity.java file.
             :-get the value based on id that you gave in xml file.

             

import android.os.Bundle;
import android.app.Activity;
import android.view.Menu;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;

public class MainActivity extends Activity implements OnClickListener {

//initialize widget that you need.
TextView yourmsg;
EditText entermsg;
Button submit;

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
/**
* now fatch the id from the activity_main.xml
*/
yourmsg=(TextView)findViewById(R.id.msg);
entermsg=(EditText)findViewById(R.id.entermsg);
submit=(Button)findViewById(R.id.sub);
/**
* now apply the click event when some one click on button.
* you can't get the value before the click event fire.
* if you try to get than u wil get the nullpointer exception.
* implement OnClickListener interface
* now go to onClick() and get the value
*/
submit.setOnClickListener(this);
}
@Override
public void onClick(View v) {

String msg=entermsg.getText().toString();
/**
* now set this value in textview
*/
yourmsg.setText("YOur msg is:="+msg);
}
}

STEP:-4
           Now You can Run application on your Emulator You will get the Out Put.