列表选择框Spinner

<!-- entries用于指定要显示的列表 -->    <Spinner        android:id="@+id/spinner1"        android:entries="@array/spinner_array"        android:layout_width="match_parent"        android:layout_height="wrap_content" />    <!-- spinnerMode用于指定要显示的模式         prompt用于指定列表的标题     -->       <Spinner           android:id="@+id/spanner2"        android:prompt="@string/spinner_title"        android:entries="@array/spinner_array"        android:layout_width="match_parent"        android:spinnerMode="dialog"        android:layout_height="wrap_content" />        <Spinner           android:id="@+id/spanner3"        android:layout_width="match_parent"        android:layout_height="wrap_content" />

@Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        // 关联布局文件        setContentView(R.layout.activity_main);        mSpinner = (Spinner) findViewById(R.id.spinner1);        mSpinner3 = (Spinner) findViewById(R.id.spanner3);        // 使用适配器动态添加        data = new String[] { "图1", "图2", "图3" };        mySpinnerAdapt = new MySpinnerAdapt();        mSpinner3.setAdapter(mySpinnerAdapt);        mSpinner3.setOnItemSelectedListener(new OnItemSelectedListener() {            @Override            public void onItemSelected(AdapterView<?> parent, View view,                    int position, long id) {                Log.e("自定义选中了", data[position]);            }            @Override            public void onNothingSelected(AdapterView<?> parent) {            }        });        mSpinner.setOnItemSelectedListener(new OnItemSelectedListener() {            @Override            public void onItemSelected(AdapterView<?> parent, View view,                    int position, long id) {                // TODO 所选择的与当前的不一样才会触发                String result = parent.getItemAtPosition(position).toString();                Log.e("选中了", result);            }            @Override            public void onNothingSelected(AdapterView<?> parent) {                // TODO 当列表为空时才会调用此方法            }        });    }    class MySpinnerAdapt extends BaseAdapter {        @Override        public int getCount() {            return data.length;        }        @Override        public Object getItem(int position) {            return null;        }        @Override        public long getItemId(int position) {            return 0;        }        @Override        public View getView(int position, View convertView, ViewGroup parent) {            View inflate = getLayoutInflater().inflate(R.layout.spinner_item,                    null);            TextView textView = (TextView) inflate.findViewById(R.id.tv_item);            textView.setText(data[position]);            return inflate;        }    }    class MyClick implements View.OnClickListener {        @Override        public void onClick(View v) {            //Log.e("点击了", data[position]);        }    }