雖然很簡單只有一行,還是得記錄一下才不會忘記
sp.setSelection(position);
調整TextView內文字的間距
android:lineSpacingExtra
設置文字行間距,例如:”5dp”
android:lineSpacingMultiplier
設置文字行間距的倍數,例如:”1.5″
Android Wheel由Webservice讀取資料
iPHONE上有特有的滾輪元件表現方式,在Android上Google也提供相關的Demo 可以參考
剛好有這方面的需求,記錄一下以免以後忘記
String[] ws_data;
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
String ws2 =webservice6(CHART_NO);
ws_data =ws2.split(“,”);
initWheel(R.id.slot_1, ws_data);
}
private void initWheel(int id, String cities[]) {
ArrayWheelAdapter<String> adapter = new ArrayWheelAdapter<String>(this, cities);
WheelView wheel = getWheel(id);
wheel.setViewAdapter(adapter);
wheel.setCurrentItem((int) (Math.random() * 10));
wheel.setVisibleItems(4);
wheel.addChangingListener(changedListener);
wheel.addScrollingListener(scrolledListener);
wheel.setCyclic(true); wheel.setEnabled(true);
}
android listview常用屬性
1.背景設成透明android:cacheColorHint=#00000000
2.設定成自已喜歡的色彩android:listSelector=”@color/pink”
3.設分隔線android:divider=”@drawable/list_driver”
4.隱藏分隔線android:divider=”@drawable/@null”
5.加快Scrollbar滑動速度android:fastScrollEnabled = “true”
6.隱藏Scrollbar,android:fadeScrollbars=”true”