執行下面的代碼時崩潰了。 沒有錯誤信息。執行Android app force時執行
在按下按鈕並創建鍵值時,它應該打開Web.java
。
MainActivity.java
import android.app.Activity;
import android.content.Intent;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.preference.PreferenceManager;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.Spinner;
public class MainActivity extends Activity {
private Button btnGo;
final Spinner page = (Spinner)findViewById(R.id.txtPage);
String pageChoice;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
final SharedPreferences sharedPref =PreferenceManager.getDefaultSharedPreferences(this);
btnGo = (Button)findViewById(R.id.btnGo);
btnGo.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
pageChoice = page.getSelectedItem().toString();
//Hopefully will allow for "global" url setting.
SharedPreferences.Editor editor = sharedPref.edit();
editor.putString("key1", pageChoice);
editor.commit();
startActivity(new Intent(MainActivity.this, Web.class));
}
});
}
}
謝謝!對此,我真的非常感激!這解決了它! –