更多"[单选题]完成Spinner的下拉框选择事件监听,请补全下面的代码?"的相关试题:
[单选题]请问下面的哪个函数实现Spinner的下拉框选择事件监听器?()
A.onItemSelected
B.OnClick
C.OnItemClick
D.OnLongClick
[单选题] 请问下面哪一个接口实现Spinner的下拉框选择事件( )?
A.View.OnClickListener
B.View.OnLongClickListener
C.AdapterView.OnItemClickListener
D.AdapterView.OnItemSelectedListener
[单选题]完成ListView的列表选择事件,请补全下面的代码? private void initView() { mListview = (ListView) findViewById(R.id.listview); ( ? ) }
A.mListview.setOnItemClickListener(this);
B.mListview.setOnClickListener(this);
C.mListview.setOnLongClickListener(this);
D.mListview.setOnItemSelectedListener(this)
[单选题]完成CheckBox的状态改变功能监听,请补全下面的代码? private void initView() { mCheckBox = (CheckBox)findViewById(R.id.checkBox); ( ? ) }
A.mCheckBox.setOnCheckedChangeListener(this);
B.mCheckBox.setOnClickListener(this);
C.mCheckBox.setOnLongClickListener(this);
D.mCheckBox.setOnItemClickListener(this);
[单选题] 完成圆形单选框的状态改变功能监听,请补全下面的代码? private void initView() { mRadioButton1 = (RadioButton) findViewById(R.id.radioButton1); mRadioGroup1 = (RadioGroup) findViewById(R.id.radioGroup1); ( ? ) }
A.mRadioGroup.setOnCheckedChangeListener(this);
B.mRadioGroup.setOnClickListener(this);
C.mRadioGroup.setOnLongClickListener(this);
D.mRadioGroup.setOnItemClickListener(this);
[单选题] 请问下面的哪个函数实现ListView的列表选择事件监听器?
A.OnItemClick
B.OnClick
C.onItemSelected
D.OnLongClick
[多选题]下面代码完成Button1按钮点击和长击事件的初始化,请补全代码?private void initView() { mBtnTest1 = (Button) findViewById(R.id.btn_test1); ( ? ) }
A.mBtnTest1.setOnClickListener(this);
B.setContentView(R.layout.activity_main);
C.mBtnTest1.setOnLongClickListener(this);
D.mBtnTest2.setOnClickListener(this)
[单选题] 下面代码完成EditText控件文本的获取,请补全下面的代码?private void submit() { String editTextString = ( ? ) ; }
A.mEditText.getText()
B.mEditText.toString().trim()
C.mEditText.getText().toString().trim()
D.mEditText.toString()
[单选题]请问下面的哪个函数实现圆形单选框的事件监听器?( )
A.OnClick
B.onCheckedChanged
C.OnItemClick
D.OnLongClick
[单选题]请问下面的哪个函数实现复选框CheckBox的事件监听器?( )
A.OnItemClick
B.OnClick
C.onCheckedChanged
D.OnLongClick
[单选题] 使用RadioGroup默认显示第一个选项,请补全下面的代码()?public class MainActivity extends AppCompatActivity implements ViewPager.OnPageChangeListener,RadioGroup.OnCheckedChangeListener
private List mTabs= new ArrayList<>(); private void initData() { mTabs.add(R.id.radioButton1); mTabs.add(R.id.radioButton7); ( ?); }
A.mRadiogroup.check(R.id.radioButton7);
B.mRadiogroup.set(R.id.radioButton7);
C.mRadiogroup.check(R.id.radioButton1);
D.mRadiogroup.findViewByid(R.id.radioButton7);
[单选题]主视图布局中需要添加一个Fragment;请补全下面的代码;
A.ContentFragment
B.TitleFragment
C.MainAcitivty
D.Activity
[单选题] Fragment可以实现动态加载,下面是实现动态加载的过程,请补全代码?private void replaceFragment(int layout,Fragment fragment){ FragmentManager manager=getSupportFragmentManager(); FragmentTransaction fragmentTransaction=manager.beginTransaction(); fragmentTransaction.replace(layout,fragment); fragmentTransaction.addToBackStack(null); ( ? ); }
A.fragmentTransaction.getFragmentById()
B.fragmentTransaction.getAcitivity()
C.fragmentTransaction.commitFragment()
D.fragmentTransaction.commit()
[多选题] 下面代码实现了ListView的数据,请补全代码()?private int[] iPic = {R.drawable.door, R.drawable.lib, R.drawable.science, R.drawable.rest, R.drawable.lake, R.drawable.medium, R.drawable.night}; private String[] strName = {"大门", "图书馆", "科技楼", "宿舍楼", "天鹅湖", "体育场", "夜景"}; private String[] strContent = {"美丽大运村", "美丽图书馆", "美丽科技楼", "美丽宿舍楼",
"美丽天鹅湖","美丽体育场", "美丽夜景"};
private ArrayList
[多选题]下面代码实现了ListView的数据,请补全代码()?private int[] iPic = {R.drawable.door, R.drawable.lib, R.drawable.science, R.drawable.rest, R.drawable.lake, R.drawable.medium, R.drawable.night}; private String[] strName = {"大门", "图书馆", "科技楼", "宿舍楼", "天鹅湖", "体育场", "夜景"}; private String[] strContent = {"美丽大运村", "美丽图书馆", "美丽科技楼", "美丽宿舍楼",
"美丽天鹅湖","美丽体育场", "美丽夜景"};
private ArrayList mArrayList;
private void initData() { mArrayList=new ArrayList<>(); for (int i=0;iA.mItemBean.setiPic(iPic[i]);
B.mItemBean.setStrName(strName[i]);
C.map.put("content",strContent[i]);
D.mItemBean.setStrContent(strContent[i]);
[判断题]为多个按钮设置单击事件监听时,在重写方法onClick()中通常使用switch-case结构判断点击了哪个按钮
A.正确
B.错误
[判断题]中心后备广播控制盒监听功能可对全线任一车站任一广播区的广播内容进行选择监听,监听音量不可调。( )
A.正确
B.错误
[单选题]当广播员需要监听某个广播信源时,值班员只要在广播系统界面上选择需要监听的( ),即可听到相应广播内容,可选择手动监听或信源自动跟踪监听。
A.内容
B.按键
C.范围
D.连接