Google Android - это несложно

Код: Выделить всё

package ru.chvalov.ovisapp;

import android.app.Activity;
import android.os.Bundle;
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 {

	EditText EdtMyName;
	EditText EdtMyLastName;
	EditText EdtMyEmail;
	EditText EdtMyPhoneNumber;
	Button BtnAddText;
	Button BtnClsText;
	Button BtnSendText;
	TextView OutText;
	private OnClickListener oclBtn;
	
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        
        EdtMyName = (EditText) findViewById(R.id.EdtMyName);
        EdtMyLastName = (EditText) findViewById(R.id.EdtMyLastName);
        EdtMyEmail = (EditText) findViewById(R.id.EdtMyEmail);
        EdtMyPhoneNumber = (EditText) findViewById(R.id.EdtMyPhoneNumber);
        BtnAddText  = (Button) findViewById(R.id.BtnAddText);
        BtnClsText = (Button) findViewById(R.id.BtnClsText);
        BtnSendText = (Button) findViewById(R.id.BtnSendText);
        OutText = (TextView) findViewById(R.id.OutText);
        
        oclBtn = new OnClickListener() {
        	@Override
        	public void onClick(View v) {
        		switch (v.getId()) {
        		case R.id.BtnAddText:
        			EdtMyName.setText("Андрей");
        			EdtMyLastName.setText("Чвалов");
        			EdtMyEmail.setText("andrej.chvalov@gmail.com");
        			EdtMyPhoneNumber.setText("380636076329");
        		break;
        		
        		case R.id.BtnClsText:
        			EdtMyName.setText("");
        			EdtMyLastName.setText("");
        			EdtMyEmail.setText("");
        			EdtMyPhoneNumber.setText("");
        		break;
        		
        		case R.id.BtnSendText:
        			OutText.setText(EdtMyName + " " + EdtMyLastName + " " + EdtMyEmail + " " + EdtMyPhoneNumber);
        		break;
        		}
        	}
        	
        };
        
    
    
    BtnAddText.setOnClickListener(oclBtn);
    BtnClsText.setOnClickListener(oclBtn);
    BtnSendText.setOnClickListener(oclBtn);
    }
    
    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.main, menu);
        return true;
    }
    
}

Код: Выделить всё

<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/textView1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_centerHorizontal="true"
        android:text="@string/InfoText"
        android:textSize="25sp"
        android:textStyle="bold" />

    <EditText
        android:id="@+id/EdtMyName"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_alignParentLeft="true"
        android:layout_below="@+id/textView1"
        android:ems="10"
        android:hint="@string/MyName"
        android:inputType="textPersonName" >

        <requestFocus />
    </EditText>

    <EditText
        android:id="@+id/EdtMyLastName"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_alignLeft="@+id/EdtMyName"
        android:layout_below="@+id/EdtMyName"
        android:ems="10"
        android:hint="@string/MyLastName"
        android:inputType="textPersonName" />

    <EditText
        android:id="@+id/EdtMyEmail"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_alignLeft="@+id/EdtMyLastName"
        android:layout_below="@+id/EdtMyLastName"
        android:ems="10"
        android:hint="@string/MyEmail"
        android:inputType="textEmailAddress" />

    <EditText
        android:id="@+id/EdtMyPhoneNumber"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_alignLeft="@+id/EdtMyEmail"
        android:layout_below="@+id/EdtMyEmail"
        android:ems="10"
        android:hint="@string/MyPhoneNumber"
        android:inputType="phone" />

    <LinearLayout
        android:id="@+id/linearLayout1"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_alignLeft="@+id/EdtMyPhoneNumber"
        android:layout_below="@+id/EdtMyPhoneNumber" >

        <Button
            android:id="@+id/BtnAddText"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_weight="1"
            android:text="@string/ButtonAddText" />

        <Button
            android:id="@+id/BtnClsText"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_weight="1"
            android:text="@string/ButtonClsText" />

        <Button
            android:id="@+id/BtnSendText"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_weight="6"
            android:text="@string/ButtonSendText" />
    </LinearLayout>

    <TextView
        android:id="@+id/OutText"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_alignLeft="@+id/linearLayout1"
        android:layout_centerVertical="true"
        android:lines="4" />

</RelativeLayout>