Java Android如何将spinner中接收的数据从数组更改为从对象接收的数据
我的微调器从strings.xml接收数据,但我想更改接收数据的方式,以从对象获取数据。我得到了班级团队和名字。我想在微调器中显示名称。你能帮助我吗?我的类、对象和微调器代码:Java Android如何将spinner中接收的数据从数组更改为从对象接收的数据,java,android,spinner,Java,Android,Spinner,我的微调器从strings.xml接收数据,但我想更改接收数据的方式,以从对象获取数据。我得到了班级团队和名字。我想在微调器中显示名称。你能帮助我吗?我的类、对象和微调器代码: public class DruzynyStatActivity extends ActionBarActivity { public class Team { public String name; public String shoots; } @Overri
public class DruzynyStatActivity extends ActionBarActivity {
public class Team {
public String name;
public String shoots;
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_druzyny_stat);
getSupportActionBar().hide();
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.menu_druzyny_stat, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
// Handle action bar item clicks here. The action bar will
// automatically handle clicks on the Home/Up button, so long
// as you specify a parent activity in AndroidManifest.xml.
int id = item.getItemId();
//noinspection SimplifiableIfStatement
if (id == R.id.action_settings) {
return true;
}
return super.onOptionsItemSelected(item);
}
public void cracovia(View view) {
Intent intent = new Intent(this, CracoviaActivity.class);
Team cracovia = new Team();
cracovia.name = "Cracovia";
String name = cracovia.name;
intent.putExtra("teamName", name);
cracovia.shoots = "STRZAŁY: 10";
String shoots = cracovia.shoots;
intent.putExtra("shoots", shoots);
startActivity(intent);
}
}
和微调器代码:
public class PorownanieActivity extends Activity implements AdapterView.OnItemSelectedListener {
Spinner spinner1;
Spinner spinner;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_porownanie);
spinner1 = (Spinner) findViewById(R.id.spinner);
ArrayAdapter adapter = ArrayAdapter.createFromResource(this, R.array.ZESPOŁY, android.R.layout.simple_list_item_1);
spinner1.setAdapter(adapter);
spinner1.setOnItemSelectedListener(this);
spinner = (Spinner) findViewById(R.id.spinner1);
ArrayAdapter adapter1 = ArrayAdapter.createFromResource(this, R.array.ZESPOŁY, android.R.layout.simple_list_item_1);
spinner.setAdapter(adapter1);
spinner.setOnItemSelectedListener(this);
}
}
可以从对象创建ArrayAdapter并将其设置为微调器。 您应该看看适配器构造函数,您可以这样编写-
String list[] = new String[]{"string1","string2"};
ArrayAdapter<String> adapter= new ArrayAdapter<String>(this,
android.R.layout.simple_dropdown_item_1line,list);
spinner.setAdapter(adapter);
您可以从任何类型的对象创建适配器,您应该查看适配器的构造函数。
有关更多自定义和对象列表,您还可以扩展BaseApter和ArrayAdapter类。请参阅如何使用自定义适配器。