Android 相同Id识别问题

package android.SameIdInDiffXML; import android.SameIdInDiffXML.Activity.bluefire; import android.SameIdInDiffXML.Activity.redfire; import android.app.Activity; import android.content.Intent; import android.os.Bundle; import android.view.View; import android.view.View.OnClickListener; import android.widget.Button; import android.widget.TextView; public class SameIdInDiffXMLActivity extends Activity { private Button redBtn; private Button blueBtn; private TextView txt; /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); redBtn=(Button)findViewById(R.id.rbtn); blueBtn=(Button)findViewById(R.id.bbtn); txt=(TextView)findViewById(R.id.txt); //the same id only the first work redBtn.setOnClickListener(new OnClickListener(){ @Override public void onClick(View v){ txt.setText(redBtn.getText()); startActivity(new Intent(SameIdInDiffXMLActivity.this, redfire.class)); } }); blueBtn.setOnClickListener(new OnClickListener(){ @Override public void onClick(View v){ txt.setText(blueBtn.getText()); startActivity(new Intent(SameIdInDiffXMLActivity.this, bluefire.class)); } }); } }