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public class MainActivity extends Activity {
private SecondActivity mSecond;
Button btn;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
btn = (Button) findViewById(R.id.button);
btn.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
mSecond=new SecondActivity();
mSecond.createView();
}
});
}
}