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我想獲得額定值的值乘以edittext中的值乘以數量變量中的值,但我似乎無法獲得任何工作?我試圖尋找一些東西,但我能得到的是如何獲得屏幕上的edittext或如何獲得屏幕上的評分值,但沒有合併。對不起,我是新手。我如何使用額定值欄和編輯文本值
import android.widget.EditText;
import android.widget.RatingBar;
import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.RatingBar;
import android.widget.RatingBar.OnRatingBarChangeListener;
import android.widget.TextView;
import android.widget.Toast;
public class MainActivity extends Activity {
private RatingBar ratingBar;
private TextView amount;
private EditText edittext;
int a = Integer.parseInt(edittext.getText().toString());
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
addListenerOnRatingBar();
edittext = (EditText) findViewById(R.id.edittext);
final String rec = edittext.getText().toString();
}
public void addListenerOnRatingBar() {
ratingBar = (RatingBar) findViewById(R.id.ratingBar);
amount = (TextView) findViewById(R.id.amount);
ratingBar.setOnRatingBarChangeListener(new OnRatingBarChangeListener() {
public void onRatingChanged(RatingBar ratingBar, float rating, boolean fromUser) {
String tellthem = ;
}
});
}
你能否更新標題,以便描述你所問的問題。 http://stackoverflow.com/help/how-to-ask – phuzi
完成。謝謝。 – cflies1121