package tjuci.edu.dl;
import android.app.Activity;
import android.content.ComponentName;
import android.content.Intent;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.Button;
public class First extends Activity {
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
Log.d("第一个Activity", "我是FirstActivity");
setContentView(R.layout.main);
Button btn = (Button)findViewById(R.id.btn);
btn.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
Intent intent = new Intent();
ComponentName com = new ComponentName(First.this, Second.class);
intent.setComponent(com);
startActivity(intent);
//上述代码可写为
//Intent intent = new Intent(First.this, Second.class);
//startActivity(intent);
}
});
}
}