package zlp.android.test.hello;import android.app.Activity;
import android.os.Bundle;
import android.widget.TextView;public class Hello extends Activity {
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
// setContentView(R.layout.main);
TextView tv = new TextView(this);
tv.setText("Android helloWorld");
setContentView(tv);
}
}是不是protected改成public
import android.os.Bundle;
import android.widget.TextView;public class Hello extends Activity {
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
// setContentView(R.layout.main);
TextView tv = new TextView(this);
tv.setText("Android helloWorld");
setContentView(tv);
}
}是不是protected改成public
我android的SDK应该没问题吧 用的2.2
选定你的程序---run configurations--targets---选你的模拟器--apply --run