@Override
public boolean onCreateOptionsMenu(Menu menu) {
Log.d(TAG, "onCreateOptionsMenu");
getMenuInflater().inflate(R.menu.main, menu);
this.menu = menu;
return true;
}
@Override
public void onItemClick(AdapterView adapterView, View view, int position, long id) {
Log.d(TAG, "onItemClick: position: " + position + ", id: " + id);
String item = listAdapter.getItem(position).trim();
if (item.endsWith(" =")) {
item = item.substring(0, item.length() - 2);
}
if (!item.startsWith("no result")) {
inputView.append(item);
}
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
Log.d(TAG, "onOptionsItemSelected: itemId: " + item.getItemId());
switch (item.getItemId()) {
case R.id.menu_clear:
Log.d(TAG, "onOptionsItemSelected: menu_clear");
clear();
break;
case R.id.menu_help:
Log.d(TAG, "onOptionsItemSelected: menu_help");
startActivity(new Intent(Intent.ACTION_VIEW, null, this, Help.class));
break;
case R.id.menu_about:
Log.d(TAG, "onOptionsItemSelected: menu_about");
Messages.about(this);
break;
}
return super.onOptionsItemSelected(item);
}
@Override
public boolean onEditorAction(TextView textView, int actionId, KeyEvent keyEvent) {
Log.d(TAG, "onEditorAction: actionId: " + actionId + ", keyEvent: " + keyEvent);
if ((actionId == EditorInfo.IME_ACTION_DONE)
|| ((keyEvent != null) && (keyEvent.getKeyCode() == KeyEvent.KEYCODE_ENTER))) {
Log.d(TAG, "onEditorAction: IME_ACTION_DONE || KEYCODE_ENTER");
String input = textView.getText().toString().trim();
if (input.length() > 0) {
String result = "";
try {
result += calculator.calculate(input);
} catch (Exception e) {
result = "no result (" + e.getMessage() + ")";
}
if (listAdapter.getCount() > 0) {
listAdapter.add("");
}
listAdapter.add(input + " =");
if (input.indexOf("@") > -1) {
listAdapter.add(calculator.getEquation() + " =");
}
listAdapter.add(result);
listAdapter.notifyDataSetChanged();
inputView.endBatchEdit();
inputView.setText("");
hideKeyboard();
}
}
return false;
}
@Override
public void onCreate(Bundle savedInstanceState) {
Log.d(TAG, "onCreate");
super.onCreate(savedInstanceState);
Thread.currentThread().setUncaughtExceptionHandler(this);
setContentView(R.layout.main);
inputView = (EditText) findViewById(R.id.input_view);
inputView.setOnEditorActionListener(this);
listAdapter = new ArrayAdapter<String>(this, R.layout.row);
listAdapter.setNotifyOnChange(true);
resultsView = (ListView) this.findViewById(R.id.results_view);
resultsView.setAdapter(listAdapter);
resultsView.setOnItemClickListener(this);
}