/**
* Sets the IME options for a spinner based on its ordering.
*
* @param spinner The spinner.
* @param spinnerCount The total spinner count.
* @param spinnerIndex The index of the given spinner.
*/
private void setImeOptions(NumberPicker spinner, int spinnerCount, int spinnerIndex) {
final int imeOptions;
if (spinnerIndex < spinnerCount - 1) {
imeOptions = EditorInfo.IME_ACTION_NEXT;
} else {
imeOptions = EditorInfo.IME_ACTION_DONE;
}
// check if the spinner is init ok
if (spinner.getChildCount() != PICKER_CHILD_COUNT) {
Log.e(TAG, "spinner.getChildCount() != 3,It isn't init ok.return");
return;
}
// get the middle EditText of NumberPicker
TextView input = (TextView) spinner.getChildAt(1);
input.setImeOptions(imeOptions);
}
private void init(Context context, AttributeSet attrs, int defStyle) {
// Load custom attributes
final int layout;
final CharSequence text;
final CharSequence hint;
final ColorStateList hintColor;
final int inputType;
final int imeOptions;
if (attrs == null) {
layout = R.layout.float_label;
text = null;
hint = null;
hintColor = null;
inputType = EditorInfo.TYPE_CLASS_TEXT;
imeOptions = EditorInfo.IME_ACTION_UNSPECIFIED;
} else {
final TypedArray a =
context.obtainStyledAttributes(attrs, R.styleable.FloatLabel, defStyle, 0);
layout = a.getResourceId(R.styleable.FloatLabel_android_layout, R.layout.float_label);
text = a.getText(R.styleable.FloatLabel_android_text);
hint = a.getText(R.styleable.FloatLabel_android_hint);
hintColor = a.getColorStateList(R.styleable.FloatLabel_android_textColorHint);
inputType = a.getInt(R.styleable.FloatLabel_android_inputType, EditorInfo.TYPE_CLASS_TEXT);
imeOptions =
a.getInt(R.styleable.FloatLabel_android_imeOptions, EditorInfo.IME_ACTION_UNSPECIFIED);
a.recycle();
}
inflate(context, layout, this);
mEditText = (TextView) findViewById(R.id.edit_text);
if (mEditText == null) {
throw new RuntimeException("Your layout must have an EditText whose ID is @id/edit_text");
}
mEditText.setHint(hint);
mEditText.setText(text);
if (hintColor != null) {
mEditText.setHintTextColor(hintColor);
}
mEditText.setInputType(inputType);
mEditText.setImeOptions(imeOptions);
mLabel = (TextView) findViewById(R.id.float_label);
if (mLabel == null) {
throw new RuntimeException("Your layout must have a TextView whose ID is @id/float_label");
}
mLabel.setText(mEditText.getHint());
// Listen to EditText to know when it is empty or nonempty
mEditText.addTextChangedListener(new EditTextWatcher());
// Check current state of EditText
if (mEditText.getText().length() == 0) {
mLabel.setAlpha(0);
mLabelShowing = false;
} else {
mLabel.setVisibility(View.VISIBLE);
mLabelShowing = true;
}
// Mark init as complete to prevent accidentally breaking the view by
// adding children
mInitComplete = true;
}
