public class Project extends Activity implements OnClickListener {
    /** Called when the activity is first created. */
    EditText editText = (EditText)findViewById(R.id.editText1);
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);


        editText.setOnClickListener(this);

        setContentView(R.layout.main);

    }

    @Override
    public void onClick(View v) {
        // TODO Auto-generated method stub
        editText.setText("");
    }
}

public class Trackfolio extends Activity implements OnClickListener {
    /** Called when the activity is first created. */
    public EditText editText;

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        setContentView(R.layout.main);

        editText = (EditText) findViewById(R.id.editText1);
        editText.setOnClickListener(this);
    }

    @Override
    public void onClick(View v) {
        editText.setText("");
    }
}

editText.getText().clear();

public class Project extends Activity implements OnClickListener {
            /** Called when the activity is first created. */
            EditText editText;
            @Override
            public void onCreate(Bundle savedInstanceState) {
                super.onCreate(savedInstanceState);

                setContentView(R.layout.main);
                editText = (EditText)findViewById(R.id.editText1);
                editText.setOnClickListener(this);
            }

            @Override
            public void onClick(View v) {
                // TODO Auto-generated method stub

                if(v == editText) {
                    editText.setText("");
                }
            }
        }

public EditText editField;
public Button clear = null;
@Override
public void onCreate(Bundle savedInstanceState) {
 super.onCreate(savedInstanceState);
    setContentView(R.layout.text_layout);
   this. editField = (EditText)findViewById(R.id.userName);
this.clear = (Button) findViewById(R.id.clear_button);
this.editField.setOnClickListener(this);
this.clear.setOnClickListener(this);
@Override
public void onClick(View v) {

    // TODO Auto-generated method stub
if(v.getId()==R.id.clear_button){
//setText will remove all text that is written by someone
    editField.setText("");
    }
}

package com.example.sampleproject;

import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ImageView;

public class SampleProject extends Activity {
    EditText mSearchpeople;
    Button mCancel , msearchclose;
    ImageView mprofile, mContact, mcalender, mConnection, mGroup , mFollowup , msetting , mAddacard;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.dashboard);
        mSearchpeople = (EditText)findViewById(R.id.editText1);
        mCancel = (Button)findViewById(R.id.button2);
        msearchclose = (Button)findViewById(R.id.button1);
        mprofile = (ImageView)findViewById(R.id.imageView1);
        mContact = (ImageView)findViewById(R.id.imageView2);
        mcalender = (ImageView)findViewById(R.id.imageView3);
        mConnection = (ImageView)findViewById(R.id.imageView4);
        mGroup = (ImageView)findViewById(R.id.imageView5);
        mFollowup = (ImageView)findViewById(R.id.imageView6);
        msetting = (ImageView)findViewById(R.id.imageView7);
        mAddacard = (ImageView)findViewById(R.id.imageView8);
    }
    @Override
    protected void onResume() {
        // TODO Auto-generated method stub
        super.onResume();
        mCancel.setOnClickListener(new View.OnClickListener() {

            @Override
            public void onClick(View v) {
                // TODO Auto-generated method stub
                mSearchpeople.clearFocus();

            }
        });
    }


}

clear = (Button) findViewById(R.id.clearsearchSubmit);

    clear.setOnClickListener(new OnClickListener() {

        @Override
        public void onClick(View v) {
            // TODO Auto-generated method stub
            if (v.getId() == R.id.clearsearchSubmit);
            firstName.setText("");
        }
    });

txtDeck.setOnFocusChangeListener(new OnFocusChangeListener() {
    @Override
    public void onFocusChange(View v, boolean hasFocus) {
        txtDeck.setText("");
    }
});

editText.setText("");

final EditText childItem = (EditText) convertView.findViewById(R.id.child_item);
childItem.setHint(cellData);

childItem.setOnFocusChangeListener(new View.OnFocusChangeListener() {
    @Override
    public void onFocusChange(View v, boolean hasFocus) {
        //Log.d("NNN", "Has focus " + hasFocus);
        if (hasFocus) {
            Toast.makeText(ctx.getApplicationContext(), "got the focus", Toast.LENGTH_LONG).show();
        } else {
            Toast.makeText(ctx.getApplicationContext(),
            "loss the focus", Toast.LENGTH_SHORT).show();
        }
        return;
    });

editext.setText("");