题目内容

5 请问下面哪一个接口实现按钮点击事件( )?

A. View.OnClickListener
B. View.OnLongClickListener
C. AdapterView.OnItemClickListener
D. CompoundButton.OnCheckedChangeListener

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6 请问下面哪一个接口实现按钮长按事件( )?

A. View.OnClickListener
B. View.OnLongClickListener
C. AdapterView.OnItemClickListener
D. CompoundButton.OnCheckedChangeListener

7 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()

8 下列代码用于设置进度条的进度,请补全代码?private void handIncrease() { iProgress += 10; if (iProgress >= 100) { iProgress = 0; } ( ? ); mTextView.setText("进度:" + iProgress + "%"); }

A. mProgressBar.getProgress(iProgress);
B. mProgressBar.setProgress();
C. mProgressBar.getProgress();
D. mProgressBar.setProgress(iProgress);

9 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)

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