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Spinner下拉列表(列表项带有图片和文字)

2016-01-13 10:37 363 查看


//Spinner下拉列表(可以自定义列表项的样式,可带有图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 };
// 所有字符串的数组
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);// 获取第一个控件ImageView
Log.i("ljq", v.getClass().getName());
TextView tvn = (TextView) ll.getChildAt(1);// 获取第二个控件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]);// 设置内容
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="您的爱好: "

        android:textSize="28dip" />

    <Spinner

        android:id="@+id/Spinner01"

        android:layout_width="fill_parent"

        android:layout_height="wrap_content" />

</LinearLayout>
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标签:  spinner 图片