我有一个时间选择器类,可以在选择后显示时间。我的问题是如何编写一个函数来以字符串形式而不是文本视图检索时间(来自 mTimeDisplay)?
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
mTimeDisplay = (TextView) findViewById(R.id.time);
mPickTime = (Button) findViewById(R.id.timepicker);
//Pick time's click event listener
mPickTime.setOnClickListener(new View.OnClickListener(){
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
showDialog(TIME_DIALOG_ID);
}
});
}
// update time
public void updatetime()
{
mTimeDisplay.setText(
new StringBuilder()
.append(pad(mhour)).append(":")
.append(pad(mminute))
.append(" to ")
.append(pad(mhour2)).append(":")
.append(pad(mminute2))
);
}
private static String pad(int c) {
if (c >= 10)
return String.valueOf(c);
else
return "0" + String.valueOf(c);
}