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我的代碼是類似以下內容:其他操作如下微調選擇
package com.javasamples;
import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.Spinner;
import android.widget.TextView;
public class ArrayAdapterDemo2 extends Activity implements
AdapterView.OnItemSelectedListener {
TextView selection;
String[] items = { "this", "is", "a", "really",
"really2", "really3",
"really4", "really5", "silly", "list" };
@Override
public void onCreate(Bundle icicle) {
super.onCreate(icicle);
setContentView(R.layout.main);
selection = (TextView) findViewById(R.id.selection);
Spinner spin = (Spinner) findViewById(R.id.spinner);
spin.setOnItemSelectedListener(this);
ArrayAdapter aa = new ArrayAdapter(
this,
android.R.layout.simple_spinner_item,
items);
aa.setDropDownViewResource(
android.R.layout.simple_spinner_dropdown_item);
spin.setAdapter(aa);
}
public void onItemSelected(AdapterView<?> parent, View v, int position,
long id) {
selection.setText(items[position]);
}
public void onNothingSelected(AdapterView<?> parent) {
selection.setText("");
}
}//class
在這地方,我需要實現的東西,從微調列表選擇後,我計劃將例如變化的背景圖片。我正在尋找類似setOnClickListener的東西,但事實上它沒有它,在這種情況下,我不知道該怎麼做。
您的代碼中已經有'onItemSelected()',爲什麼不使用它? – 2013-02-09 03:10:51