@Nullable
private TxMessage getTxMessage() {
if (isTxMessageAdded && messageFactory != null && txMessageView.getText().length() != 0) {
String message = txMessageView.getText().toString();
try {
return messageFactory.createPublicMessage(message);
} catch (Exception e) { // Should not happen
ACRA.getErrorReporter().handleSilentException(e);
}
}
return null;
}
private void validateTxMessage() {
if (isTxMessageAdded && messageFactory != null && txMessageView != null) {
isTxMessageValid = txMessageView.getText().length() <= messageFactory.maxMessageSize();
updateView();
}
}
private void enableTxMessage(View view) {
if (messageFactory == null) return;
txMessageButton.setVisibility(View.VISIBLE);
txMessageButton.setOnClickListener(
new OnClickListener() {
@Override
public void onClick(View v) {
if (isTxMessageAdded) { // if tx message added, remove it
hideTxMessage();
} else { // else show tx message fields
showTxMessage();
}
}
});
final int maxMessageLength = messageFactory.maxMessageSize();
final int messageLengthThreshold = (int) (maxMessageLength * .8); // 80% full
final int txMessageCounterPaddingOriginal = txMessageView.getPaddingBottom();
final int txMessageCounterPadding =
getResources().getDimensionPixelSize(R.dimen.tx_message_counter_padding);
final int colorWarn = getResources().getColor(R.color.fg_warning);
final int colorError = getResources().getColor(R.color.fg_error);
// This listener checks the length of the message and displays a counter if it passes a
// threshold or the max size. It also changes the bottom padding of the message field
// to accommodate the counter.
txMessageView.addTextChangedListener(
new EditViewListener() {
@Override
public void afterTextChanged(final Editable s) {
int length = s.length();
boolean isTxMessageValidNow = true;
if (length < messageLengthThreshold) {
if (txMessageCounter.getVisibility() != GONE) {
txMessageCounter.setVisibility(GONE);
txMessageView.setPadding(0, 0, 0, txMessageCounterPaddingOriginal);
}
} else {
int remaining = maxMessageLength - s.length();
if (txMessageCounter.getVisibility() != VISIBLE) {
txMessageCounter.setVisibility(VISIBLE);
txMessageView.setPadding(0, 0, 0, txMessageCounterPadding);
}
txMessageCounter.setText(Integer.toString(remaining));
if (length <= maxMessageLength) {
txMessageCounter.setTextColor(colorWarn);
} else {
isTxMessageValidNow = false;
txMessageCounter.setTextColor(colorError);
}
}
// Update view only if the message validity changed
if (isTxMessageValid != isTxMessageValidNow) {
isTxMessageValid = isTxMessageValidNow;
updateView();
}
}
@Override
public void onFocusChange(final View v, final boolean hasFocus) {
if (!hasFocus) {
validateTxMessage();
}
}
});
}