Spinner 用法

</Spinner>
<TextView
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:text="Spinner弹框模式"/>
<Spinner
    android:id="@+id/SpinnerTK"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:spinnerMode="dialog">
</Spinner>
<TextView
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:text="Spinner带标题的弹框模式"/>
<Spinner
    android:id="@+id/SpinnerTKTitle"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
  android:prompt="@string/prompt"
    android:spinnerMode="dialog">
</Spinner>
<TextView
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:text="Spinner复杂下拉框"/>
<Spinner
    android:id="@+id/SpinnerImageText"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:prompt="@string/prompt"
    android:spinnerMode="dropdown">
</Spinner>

后台代码

Spinner spxl = (Spinner) findViewById(R.id.SpinnerXL);

Spinner sptk = (Spinner) findViewById(R.id.SpinnerTK);

Spinner sptktitle = (Spinner) findViewById(R.id.SpinnerTKTitle);

List listdata = new ArrayList<>();

for (int ii = 0; ii < 50; ii++) {

listdata.add("数据" + ii);

}

ArrayAdapter adapter = new ArrayAdapter<>(BtnActivity.this, android.R.layout.simple_list_item_1, listdata);

spxl.setAdapter(adapter);

sptk.setAdapter(adapter);

sptktitle.setAdapter(adapter);

spxl.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {

@Override

public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {

Toast.makeText(BtnActivity.this, "选择了：" + parent.getItemAtPosition(position), Toast.LENGTH_SHORT).show();

}

        @Override
        public void onNothingSelected(AdapterView<?> parent) {
        }
    });
    Spinner spimagetext = (Spinner) findViewById(R.id.SpinnerImageText);
    list = getData();
    MyCustomAdapter myCustomAdapter = new MyCustomAdapter(list, BtnActivity.this);
   spimagetext.setAdapter(myCustomAdapter);
    spimagetext.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
        @Override
        public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
            if (!firstSelect) {
                Toast.makeText(BtnActivity.this, "你选择了：" + list.get(position).get("name").toString(),
                        Toast.LENGTH_SHORT).show();
            } else {
                firstSelect = false;
            }
        }
        @Override
        public void onNothingSelected(AdapterView<?> parent) {
        }
    });
    Button btntab=(Button)findViewById(R.id.btntab);
    btntab.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            Intent intent=new Intent(BtnActivity.this,TabBottom.class);
            startActivity(intent);
        }
    });
}
ArrayList<Map<String,Object>> list = new ArrayList<Map<String,Object>>();
Map<String,Object> map;
private boolean firstSelect=true;
private ArrayList<Map<String,Object>> getData() {
    map=new HashMap<String, Object>();
    map.put("image",R.drawable.ic_home_black_24dp);
    map.put("name","日历");
    map.put("desc","descdescdescdesc");
    list.add(map);
    map=new HashMap<String, Object>();
    map.put("image",R.drawable.ic_dashboard_black_24dp);
    map.put("name","相机");
    map.put("desc","descdescdescdesc");
    list.add(map);
    map=new HashMap<String, Object>();
    map.put("image",R.drawable.ic_notifications_black_24dp);
    map.put("name","闹钟");
    map.put("desc","descdescdescdesc");
    list.add(map);
    map=new HashMap<String, Object>();
    map.put("image",R.drawable.ic_home_black_24dp);
    map.put("name","游戏控制");
    map.put("desc","descdescdescdesc");
    list.add(map);
    return list;
}

}