Spinner下拉列表(列表項帶有圖片和文字)
阿新 • • 發佈:2019-01-22
//Spinner下拉列表(可以自定義列表項的樣式,可帶有圖片和文字得搭配使用)
public class MainActivity extends Activity {private Spinner sp = null;// 下拉列表
private TextView tv = null;
private int[] drawableIds = { R.drawable.football, R.drawable.basketball,
R.drawable.volleyball };
// 所有字串的陣列
private int[] msgIds = { R.string.zq, R.string.lq, R.string.pq };
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
tv = (TextView) findViewById(R.id.TextView01);
sp = (Spinner) this.findViewById(R.id.Spinner01);// 初始化Spinner
sp.setAdapter(adapter);
sp.setOnItemSelectedListener(new OnItemSelectedListener() {
public void onItemSelected(AdapterView<?> parent, View view,
int positon, long id) {
LinearLayout ll = (LinearLayout) view;
View v = ll.getChildAt(0);// 獲取第一個控制元件ImageView
Log.i("ljq", v.getClass().getName());
TextView tvn = (TextView) ll.getChildAt(1);// 獲取第二個控制元件TextView
StringBuilder sb = new StringBuilder();
sb.append(getResources().getText(R.string.ys)).append(":")
.append(tvn.getText());
tv.setText(sb.toString());
}
public void onNothingSelected(AdapterView<?> parent) {
}
});
}
private BaseAdapter adapter = new BaseAdapter() {
public int getCount() {
return drawableIds.length;
}
public Object getItem(int position) {
return drawableIds[position];
}
public long getItemId(int position) {
return position;
}
public View getView(int position, View convertView, ViewGroup parent) {
LinearLayout ll = new LinearLayout(MainActivity.this);
ll.setOrientation(LinearLayout.HORIZONTAL);
ImageView iv = new ImageView(MainActivity.this);
iv.setImageResource(drawableIds[position]);
ll.addView(iv);
TextView tv = new TextView(MainActivity.this);
tv.setText(msgIds[position]);// 設定內容
tv.setTextSize(24);
//tv.setTextColor(R.color.black);
ll.addView(tv);
return ll;
}
};
}
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/LinearLayout01"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="vertical" >
<TextView
android:id="@+id/TextView01"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="您的愛好: "
android:textSize="28dip" />
<Spinner
android:id="@+id/Spinner01"
android:layout_width="fill_parent"
android:layout_height="wrap_content" />
</LinearLayout>