Androidダイナミック生成ボタンスタイル
ボタンスタイルの動的生成
次の操作を行います.
ツールクラス:
次の操作を行います.
int borderColor = Color.parseColor("#2E3135");
int bgColor = Color.parseColor("#00FF00");
// View , 、 、 、 。
GradientDrawable shape = DrawableUtils.createShape(1, 4, borderColor, bgColor);
btn1.setBackground(shape);
int textNormalColor = Color.parseColor("#2E3135");
int textPressColor = Color.parseColor("#FF0000");
int textFocusColor = Color.parseColor("#00FF00");
int textEnableColor = Color.parseColor("#0000FF");
//
ColorStateList colorStateList = DrawableUtils.createColorStateList(textNormalColor, textPressColor, textFocusColor, textEnableColor);
btn2.setTextColor(colorStateList);
/* android:focusableInTouchMode="true" */
int color1 = Color.parseColor("#FF0000");
int color2 = Color.parseColor("#00FF00");
// View
GradientDrawable unSelected = DrawableUtils.createShape(1, 4, color1, color2);
GradientDrawable selected = DrawableUtils.createShape(1, 4, color2, color1);
StateListDrawable stateListDrawable = DrawableUtils.createStateListDrawable(unSelected, selected);
btn3.setBackground(stateListDrawable);
ツールクラス:
public class DrawableUtils {
/**
* shape
*
* @param strokeWidth (px)
* @param roundRadius (px)
* @param strokeColor
* @param fillColor
* @return GradientDrawable
*/
public static GradientDrawable createShape(int strokeWidth, int roundRadius, int strokeColor, int fillColor) {
GradientDrawable gd = new GradientDrawable();
gd.setColor(fillColor);
gd.setCornerRadius(roundRadius);
gd.setStroke(strokeWidth, strokeColor);
return gd;
}
/**
*
*
* @param normal
* @param pressed
* @param focused
* @param unable
* @return ColorStateList
*/
public static ColorStateList createColorStateList(int normal, int pressed, int focused, int unable) {
int[] colors = new int[]{pressed, focused, normal, focused, unable, normal};
int[][] states = new int[6][];
states[0] = new int[]{android.R.attr.state_pressed, android.R.attr.state_enabled};
states[1] = new int[]{android.R.attr.state_enabled, android.R.attr.state_focused};
states[2] = new int[]{android.R.attr.state_enabled};
states[3] = new int[]{android.R.attr.state_focused};
states[4] = new int[]{android.R.attr.state_window_focused};
states[5] = new int[]{};
return new ColorStateList(states, colors);
}
/**
*
*
* @param unSelected
* @param selected
* @return StateListDrawable
*/
public static StateListDrawable createStateListDrawable(GradientDrawable unSelected, GradientDrawable selected) {
StateListDrawable drawable = new StateListDrawable();
drawable.addState(new int[]{android.R.attr.state_pressed}, selected);
drawable.addState(new int[]{-android.R.attr.state_pressed}, unSelected);
return drawable;
}
}