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POthe value of the field Main.Activity.b1 is not used
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copied!<p>can some one help me out im trying the onclick android tutorial how how to change pages with a button but im stuck im getting an error that says the value of the field Main.Activity.b1 is not used i cant figure it out</p> <pre><code> package com.example.lasttry; package com.example.lasttry; 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.content.Intent; public class MainActivity extends Activity implements OnClickListener { private Button b1; public final static String EXTRA_MESSAGE = "com.example.lasttry"; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); this.setContentView(R.layout.activity_main); this.b1 = (Button)this.findViewById(R.id.b1); } @Override public boolean onCreateOptionsMenu(Menu menu) { // Inflate the menu; this adds items to the action bar if it is present. getMenuInflater().inflate(R.menu.activity_main, menu); return true; } @Override public void onClick(View v) { finish(); // TODO Auto-generated method stub } public void sendMessage(View v){ Intent intent = new Intent(this, DisplayMessageActivity.class); EditText editText= (EditText) findViewById(R.id.b1); String message = editText.getText().toString(); intent.putExtra(EXTRA_MESSAGE, message); startActivity(intent); } } </code></pre>

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