[LogTextBox1.java]
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.log_text_box_1);
mText = (LogTextBox) findViewById(R.id.text);
Button addButton = (Button) findViewById(R.id.add);
addButton.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
mText.append("This is a test\n");
} });
}
}
[LogTextBox.java]
public class LogTextBox extends TextView {
public LogTextBox(Context context) {
this(context, null);
}
public LogTextBox(Context context, AttributeSet attrs) {
this(context, attrs, android.R.attr.textViewStyle);
}
public LogTextBox(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
}
@Override
protected MovementMethod getDefaultMovementMethod() {
return ScrollingMovementMethod.getInstance();
}
@Override
public Editable getText() {
return (Editable) super.getText();
}
@Override
public void setText(CharSequence text, BufferType type) {
super.setText(text, BufferType.EDITABLE);
}
}
[log_text_box_1.xml]
<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="fill_parent"
android:layout_height="fill_parent">
<Button
android:id="@+id/add"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/log_text_box_1_add_text"/>
<com.example.android.apis.text.LogTextBox
android:id="@+id/text"
android:background="@drawable/box"
android:layout_width="fill_parent"
android:layout_height="0dip"
android:layout_weight="1"
android:scrollbars="vertical"/>
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/log_text_box_1_do_nothing_text"/>
</LinearLayout>
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