Button

https://docs.google.com/open?id=0B6sL60kI5J0mMDNPX2FkdDFRRE0


package cse.ust.buttonfun;

import android.app.Activity;
import android.view.View.OnClickListener;
import android.os.Bundle;

public class ButtonFunActivity extends Activity implements OnClickListener {
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
}
}

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package cse.ust.buttonfun;

import
import
import
import
import
import

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

public class ButtonFunActivity extends Activity implements OnClickListener {
/** Called when the activity is first created. */

Button leftBtn, rightBtn;
TextView displayText;

@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);

// Initialize the instances with UI elements
leftBtn = (Button) findViewById(R.id.leftBtn);
rightBtn = (Button) findViewById(R.id.rightBtn);
displayText = (TextView) findViewById(R.id.displayText);

// Set the OnClickListener
leftBtn.setOnClickListener(this);
rightBtn.setOnClickListener(this);

}

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

}

}

------------------------------------------------------------------------------------------------------------

package cse.ust.buttonfun;

import
import
import
import
import
import

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

public class ButtonFunActivity extends Activity implements OnClickListener {
/** Called when the activity is first created. */

Button leftBtn, rightBtn;
TextView displayText;

@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);

// Initialize the instances with UI elements
leftBtn = (Button) findViewById(R.id.leftBtn);
rightBtn = (Button) findViewById(R.id.rightBtn);
displayText = (TextView) findViewById(R.id.displayText);

// Set the OnClickListener
leftBtn.setOnClickListener(this);
rightBtn.setOnClickListener(this);

}

@Override
public void onClick(View v) {
// TODO Auto-generated method stub
if(v==leftBtn){
displayText.setText(R.string.left);
}else{
displayText.setText(R.string.right);
}
}

}