Android 下拉列表选值初级实例
代码说明:
Android 下拉列表选值初级实例,通过血型选择来练习下拉框的使用。 super.onCreate(savedInstanceState); setContentView(R.layout.main); m_TextView = (TextView) findViewById(R.id.TextView1); m_Spinner = (Spinner) findViewById(R.id.Spinner1); //将可选内容与ArrayAdapter连接 adapter = new ArrayAdapter(this, android.R.layout.simple_spinner_item, m_Countries); //设置下拉列表的风格 adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item); //将adapter添加到m_Spinner中 m_Spinner.setAdapter(adapter); //添加Spinner事件监听 m_Spinner.setOnItemSelectedListener(new Spinner.OnItemSelectedListener() { @Override public void onItemSelected(AdapterView arg0, View arg1, int arg2, long arg3) { m_TextView.setText("你的血型是:" + m_Countries[arg2]); //设置显示当前选择的项 arg0.setVisibility(View.VISIBLE); } });
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