基本信息
源码名称:下拉列表Spinner入门级示例代码
源码大小:1.15M
文件格式:.rar
开发语言:Java
更新时间:2015-04-25
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源码介绍
非常入门级的示例,适合新手
非常入门级的示例,适合新手
package com.example.spinner; import android.os.Bundle; import android.app.Activity; import android.view.Menu; import android.view.View; import android.widget.Adapter; import android.widget.AdapterView; import android.widget.AdapterView.OnItemSelectedListener; import android.widget.ArrayAdapter; import android.widget.Spinner; import android.widget.TextView; public class MainActivity extends Activity implements OnItemSelectedListener{ private Spinner spinner; private TextView textview; private Spinner spinner1; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); SpinnerAll(); } void SpinnerAll(){ textview = (TextView)findViewById(R.id.textview); spinner = (Spinner)findViewById(R.id.spinnewld); spinner1 = (Spinner)findViewById(R.id.Spiner); spinner(); // ArrayAdapter<CharSequence> adapter1 = ArrayAdapter.createFromResource(this,R.array.kang_array1,android.R.layout.simple_spinner_item); // spinner1.setAdapter(adapter1); spinner.setOnItemSelectedListener(this); } void spinner(){ ArrayAdapter<CharSequence> adapter = ArrayAdapter.createFromResource(this,R.array.kang_array,android.R.layout.simple_spinner_item); adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item); spinner.setAdapter(adapter); } @Override public void onItemSelected(AdapterView<?> arg0, View arg1, int arg2, long arg3) { String se = arg0.getItemAtPosition(arg2).toString(); if(se.equals("shao")){ ArrayAdapter<CharSequence> adapter1 = ArrayAdapter.createFromResource(this,R.array.kang_array2,android.R.layout.simple_spinner_item); spinner1.setAdapter(adapter1); }else if (se.equals("kang")){ ArrayAdapter<CharSequence> adapter1 = ArrayAdapter.createFromResource(this,R.array.kang_array1,android.R.layout.simple_spinner_item); spinner1.setAdapter(adapter1); } } @Override public void onNothingSelected(AdapterView<?> arg0) { // TODO Auto-generated method stub } }