[List12.java]
public class List12 extends ListActivity implements OnClickListener, OnKeyListener {
private EditText mUserText;
private ArrayAdapter<String> mAdapter;
private ArrayList<String> mStrings = new ArrayList<String>();
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.list_12);
mAdapter = new ArrayAdapter<String>(this, android.R.layout.simple_list_item_1, mStrings);
setListAdapter(mAdapter);
mUserText = (EditText) findViewById(R.id.userText);
mUserText.setOnClickListener(this);
mUserText.setOnKeyListener(this);
}
public void onClick(View v) {
sendText();
}
private void sendText() {
String text = mUserText.getText().toString();
mAdapter.add(text);
mUserText.setText(null);
}
public boolean onKey(View v, int keyCode, KeyEvent event) {
if (event.getAction() == KeyEvent.ACTION_DOWN) {
switch (keyCode) {
case KeyEvent.KEYCODE_DPAD_CENTER:
case KeyEvent.KEYCODE_ENTER:
sendText();
return true;
}
}
return false;
}
}
[list_12.xml]
android:orientation="vertical"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:paddingLeft="8dip"
android:paddingRight="8dip">
<ListView android:id="@android:id/list"
android:layout_width="fill_parent"
android:layout_height="0dip"
android:layout_weight="1"
android:stackFromBottom="true"
android:transcriptMode="normal"/>
<EditText android:id="@+id/userText"
android:layout_width="fill_parent"
android:layout_height="wrap_content" />
</LinearLayout>
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