下面列出了android.graphics.drawable.StateListDrawable#addState() 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。
private Drawable getSelector(Tag tag) {
if (tag.background!=null)return tag.background;
StateListDrawable states = new StateListDrawable();
GradientDrawable gd_normal = new GradientDrawable();
gd_normal.setColor(tag.layoutColor);
gd_normal.setCornerRadius(tag.radius);
if (tag.layoutBorderSize>0){
gd_normal.setStroke(Utils.dipToPx(getContext(),tag.layoutBorderSize), tag.layoutBorderColor);
}
GradientDrawable gd_press = new GradientDrawable();
gd_press.setColor(tag.layoutColorPress);
gd_press.setCornerRadius(tag.radius);
states.addState(new int[] { android.R.attr.state_pressed }, gd_press);
//must add state_pressed first，or state_pressed will not take effect
states.addState(new int[] {}, gd_normal);
return states;
}
private void notifyChanges() {
Float factor = 0.8f, factorStorke = 0.9f;
if (!isEnable) {
//handling for button disable state
setAlpha(0.6f);
}
if (mStrokeColor == 0) {
mStrokeColor = manipulateColor(mBackgroundColor, factorStorke);
}
Drawable pressed = getDrawable1(manipulateColor(mBackgroundColor, factor), mRadius);
Drawable normal = getDrawable1(mBackgroundColor, mRadius);
StateListDrawable states = new StateListDrawable();
states.addState(new int[]{android.R.attr.state_pressed}, pressed);
states.addState(new int[]{}, normal);
setBackground(states);
}
private Drawable getSelector(Tag tag) {
if (tag.getBackground() != null)
return tag.getBackground();
StateListDrawable states = new StateListDrawable();
GradientDrawable gdNormal = new GradientDrawable();
gdNormal.setColor(tag.getLayoutColor());
gdNormal.setCornerRadius(tag.getRadius());
if (tag.getLayoutBorderSize() > 0) {
gdNormal.setStroke(Utils.dipToPx(getContext(), tag.getLayoutBorderSize()), tag.getLayoutBorderColor());
}
GradientDrawable gdPress = new GradientDrawable();
gdPress.setColor(tag.getLayoutColorPress());
gdPress.setCornerRadius(tag.getRadius());
states.addState(new int[]{android.R.attr.state_pressed}, gdPress);
//must add state_pressed first，or state_pressed will not take effect
states.addState(new int[]{}, gdNormal);
return states;
}
private void setSelector(TypedArray a) {
touchFeedbackDrawable = new StateListDrawable();
touchFeedbackDrawable.addState(
new int[]{android.R.attr.state_pressed},
getColor(a)
);
}
private StateListDrawable createFillDrawable(float strokeWidth) {
StateListDrawable drawable = new StateListDrawable();
drawable.addState(new int[] { -android.R.attr.state_enabled }, createCircleDrawable(mColorDisabled, strokeWidth));
drawable.addState(new int[] { android.R.attr.state_pressed }, createCircleDrawable(mColorPressed, strokeWidth));
drawable.addState(new int[] { }, createCircleDrawable(mColorNormal, strokeWidth));
return drawable;
}
private static StateListDrawable getStateListDrawable(int pressedColor, Integer normalColor, int radius) {
StateListDrawable states = new StateListDrawable();
states.addState(
new int[]{android.R.attr.state_pressed}
, getDrawable(pressedColor, radius)
);
if (null != normalColor)
states.addState(
new int[]{}
, getDrawable(normalColor, radius)
);
return states;
}
@Override
public void apply(ProteusView view, Context context, ProteusLayoutInflater.ImageLoader loader, Callback callback) {
final StateListDrawable stateListDrawable = new StateListDrawable();
int size = states.length;
for (int i = 0; i < size; i++) {
stateListDrawable.addState(states[i], DrawableResourceProcessor.evaluate(values[i], view));
}
callback.apply(stateListDrawable);
}
private void setSelector(TypedArray a) {
touchFeedbackDrawable = new StateListDrawable();
touchFeedbackDrawable.addState(
new int[]{android.R.attr.state_pressed},
getColor(a)
);
}
public static Drawable getDrawable(int state, int shape, GradientDrawable.Orientation[] orientation,
int[][] bgColor, int[] borderColor, int borderWidth, float[] radius) {
if (bgColor == null || bgColor.length < MIN_RESOURCE_COUNT) {
throw new IllegalArgumentException();
}
StateListDrawable drawable = new StateListDrawable();
drawable.addState(new int[] {state}, getDrawable(shape, orientation[1], bgColor[1], borderColor[1], borderWidth, radius));
drawable.addState(new int[] {}, getDrawable(shape, orientation[0], bgColor[0], borderColor[0], borderWidth, radius));
return drawable;
}
private StateListDrawable createFillDrawable(float strokeWidth) {
StateListDrawable drawable = new StateListDrawable();
drawable.addState(new int[] { -android.R.attr.state_enabled }, createCircleDrawable(mColorDisabled, strokeWidth));
drawable.addState(new int[] { android.R.attr.state_pressed }, createCircleDrawable(mColorPressed, strokeWidth));
drawable.addState(new int[] { }, createCircleDrawable(mColorNormal, strokeWidth));
return drawable;
}
private static StateListDrawable getStateListDrawable(
int normalColor, int pressedColor) {
StateListDrawable states = new StateListDrawable();
states.addState(new int[]{android.R.attr.state_pressed},
new ColorDrawable(pressedColor));
states.addState(new int[]{android.R.attr.state_focused},
new ColorDrawable(pressedColor));
states.addState(new int[]{android.R.attr.state_activated},
new ColorDrawable(pressedColor));
states.addState(new int[]{},
new ColorDrawable(normalColor));
return states;
}
protected Drawable getBackgroundDrawable() {
//设置字体颜色的选择器
ColorStateList colorSateList = mContext.getResources().getColorStateList(R.color.secondary_text);
setTextColor(colorSateList);
GradientDrawable normal = new GradientDrawable();
normal.setShape(GradientDrawable.RECTANGLE);
normal.setCornerRadius(DensityUtils.dp2px(mContext, getTagRadius()));
if (isSolid()) {
normal.setColor(getNormalBackgroundColor());
} else {
normal.setStroke(DensityUtils.dp2px(mContext, getStrokeWidth()), getNormalBackgroundColor());
normal.setColor(getBackgroundColor());
}
GradientDrawable pressed = new GradientDrawable();
pressed.setShape(GradientDrawable.RECTANGLE);
pressed.setCornerRadius(DensityUtils.dp2px(mContext, getTagRadius()));
if (isSolid()) {
pressed.setColor(getPressedBackgroundColor());
} else {
pressed.setStroke(DensityUtils.dp2px(mContext, getStrokeWidth()), getPressedBackgroundColor());
pressed.setColor(getPressedBackgroundColor());
}
StateListDrawable selector = new StateListDrawable();
selector.addState(new int[]{android.R.attr.state_pressed}, pressed);
selector.addState(new int[]{}, normal);
return selector;
}
private void initErrorStateDrawable() {
int colorPressed = getPressedColor(mErrorColorState);
StrokeGradientDrawable drawablePressed = createDrawable(colorPressed);
mErrorStateDrawable = new StateListDrawable();
mErrorStateDrawable.addState(new int[]{android.R.attr.state_pressed}, drawablePressed.getGradientDrawable());
mErrorStateDrawable.addState(StateSet.WILD_CARD, background.getGradientDrawable());
}
public static Drawable createSelectorDrawable(Context context, @ColorInt int color) {
final StateListDrawable baseSelector = new StateListDrawable();
baseSelector.addState(new int[]{android.R.attr.state_activated}, new ColorDrawable(color));
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
return new RippleDrawable(ColorStateList.valueOf(color), baseSelector, new ColorDrawable(Color.WHITE));
}
baseSelector.addState(new int[]{}, new ColorDrawable(Color.TRANSPARENT));
baseSelector.addState(new int[]{android.R.attr.state_pressed}, new ColorDrawable(color));
return baseSelector;
}
private static StateListDrawable createStateListDrawable(Drawable drawable[]) {
if (drawable == null || drawable.length < 4)
return null;
StateListDrawable states = new StateListDrawable();
states.addState(new int[]{android.R.attr.state_pressed, android.R.attr.state_enabled}, drawable[0]);
states.addState(new int[]{android.R.attr.state_focused, android.R.attr.state_enabled}, drawable[1]);
states.addState(new int[]{android.R.attr.state_enabled}, drawable[2]);
states.addState(new int[]{-android.R.attr.state_enabled}, drawable[3]);
return states;
}
private Drawable createTabDrawable(int resId) {
Resources res = getResources();
StateListDrawable states = new StateListDrawable();
final Options options = new Options();
options.inPreferredConfig = Config.ARGB_8888;
Bitmap icon = BitmapFactory.decodeResource(res, resId, options);
Bitmap unselected = TabBitmap.createUnselectedBitmap(res, icon);
Bitmap selected = TabBitmap.createSelectedBitmap(res, icon);
icon.recycle();
states.addState(new int[] { android.R.attr.state_selected }, new BitmapDrawable(res, selected));
states.addState(new int[] { android.R.attr.state_enabled }, new BitmapDrawable(res, unselected));
return states;
}
/**
* 设置TextView的Left、Top、Right、Bottom Drawable属性
*
* @param normal
* @param checked
* @param selected
* @param pressed
* @param disabled
* @param gravity
*/
private void setTextDrawable(Drawable normal, Drawable checked, Drawable selected, Drawable pressed,
Drawable disabled, int gravity) {
int index = 0;
int width = mLeftDrawableWidth;
int height = mLeftDrawableHeight;
float radius = mLeftDrawableColorCircleEnable ? width + height / 2 : mLeftDrawableColorRadius;
switch (gravity) {
case Gravity.TOP:
index = 1;
width = mTopDrawableWidth;
height = mTopDrawableHeight;
radius = mTopDrawableColorCircleEnable ? width + height / 2 : mTopDrawableColorRadius;
break;
case Gravity.RIGHT:
index = 2;
width = mRightDrawableWidth;
height = mRightDrawableHeight;
radius = mRightDrawableColorCircleEnable ? width + height / 2 : mRightDrawableColorRadius;
break;
case Gravity.BOTTOM:
index = 3;
width = mBottomDrawableWidth;
height = mBottomDrawableHeight;
radius = mBottomDrawableColorCircleEnable ? width + height / 2 : mBottomDrawableColorRadius;
break;
}
Drawable[] drawables = mTextView.getCompoundDrawables();
if (normal == null && pressed == null && disabled == null
&& selected == null && checked == null) {
drawables[index] = null;
} else {
StateListDrawable stateDrawable = new StateListDrawable();
if (checked != null) {
stateDrawable.addState(new int[]{mStateChecked}, getStateDrawable(checked, radius, width, height));
}
if (selected != null) {
stateDrawable.addState(new int[]{mStateSelected}, getStateDrawable(selected, radius, width, height));
}
if (pressed != null) {
stateDrawable.addState(new int[]{mStatePressed}, getStateDrawable(pressed, radius, width, height));
}
if (disabled != null) {
stateDrawable.addState(new int[]{mStateDisabled}, getStateDrawable(disabled, radius, width, height));
}
if (normal != null) {
stateDrawable.addState(new int[]{}, getStateDrawable(normal, radius, width, height));
}
DrawableUtil.setDrawableWidthHeight(stateDrawable, width, height);
drawables[index] = stateDrawable;
}
mTextView.setCompoundDrawables(drawables[0], drawables[1], drawables[2], drawables[3]);
}
@Override
public boolean updateStyle(List<PXRuleSet> ruleSets, List<PXStylerContext> contexts) {
if (!super.updateStyle(ruleSets, contexts)) {
return false;
}
// Apply the toggle Drawables wrapped in a LayerDrawable. The drawable
// that will go into this LayerDrawable has to be a StateListDrawable,
// so we construct it using the 'on' and 'off' states to provide the
// toggle images in its different states.
if (!contexts.isEmpty()) {
// same styleable for all contexts
Object styleable = contexts.get(0).getStyleable();
if (styleable instanceof ToggleButton) {
// prepare the StateListDrawable
StateListDrawable toggleDrawable = new StateListDrawable();
for (PXStylerContext context : contexts) {
Drawable drawable = context.getBackgroundImage();
if (drawable != null) {
if (ON.equals(context.getActiveStateName())) {
toggleDrawable.addState(new int[] { android.R.attr.state_checked },
drawable);
} else {
toggleDrawable.addState(new int[] { -android.R.attr.state_checked },
drawable);
}
}
}
ToggleButton toggleButton = (ToggleButton) styleable;
Drawable background = toggleButton.getBackground();
if (toggleDrawable != null) {
if (background instanceof LayerDrawable) {
LayerDrawable layerDrawable = (LayerDrawable) background;
layerDrawable.setDrawableByLayerId(android.R.id.toggle, toggleDrawable);
} else if (background instanceof StateListDrawable) {
// just replace it
toggleButton.setBackgroundDrawable(toggleDrawable);
}
}
}
}
return true;
}
private void initView(View view) {
View ibClose = view.findViewById(R.id.ib_close);
ImageView ivBg = view.findViewById(R.id.iv_bg);
TextView title = view.findViewById(R.id.tv_title);
TextView size = view.findViewById(R.id.tv_size);
TextView description = view.findViewById(R.id.tv_description);
progressBar = view.findViewById(R.id.np_bar);
progressBar.setVisibility(forcedUpgrade ? View.VISIBLE : View.GONE);
update = view.findViewById(R.id.btn_update);
update.setTag(0);
View line = view.findViewById(R.id.line);
update.setOnClickListener(this);
ibClose.setOnClickListener(this);
//自定义
if (dialogImage != -1) {
ivBg.setBackgroundResource(dialogImage);
}
if (dialogButtonTextColor != -1) {
update.setTextColor(dialogButtonTextColor);
}
if (dialogButtonColor != -1) {
StateListDrawable drawable = new StateListDrawable();
GradientDrawable colorDrawable = new GradientDrawable();
colorDrawable.setColor(dialogButtonColor);
colorDrawable.setCornerRadius(DensityUtil.dip2px(context, 3));
drawable.addState(new int[]{android.R.attr.state_pressed}, colorDrawable);
drawable.addState(new int[]{}, colorDrawable);
update.setBackgroundDrawable(drawable);
}
if (dialogProgressBarColor != -1) {
progressBar.setReachedBarColor(dialogProgressBarColor);
progressBar.setProgressTextColor(dialogProgressBarColor);
}
//强制升级
if (forcedUpgrade) {
line.setVisibility(View.GONE);
ibClose.setVisibility(View.GONE);
setOnKeyListener(new OnKeyListener() {
@Override
public boolean onKey(DialogInterface dialog, int keyCode, KeyEvent event) {
//屏蔽返回键
return keyCode == KeyEvent.KEYCODE_BACK;
}
});
}
//设置界面数据
if (!TextUtils.isEmpty(manager.getApkVersionName())) {
String newVersion = context.getResources().getString(R.string.dialog_new);
title.setText(String.format(newVersion, manager.getApkVersionName()));
}
if (!TextUtils.isEmpty(manager.getApkSize())) {
String newVersionSize = context.getResources().getString(R.string.dialog_new_size);
size.setText(String.format(newVersionSize, manager.getApkSize()));
size.setVisibility(View.VISIBLE);
}
description.setText(manager.getApkDescription());
}
/**
* 获得选择器
*
* @param normalDrawable
* @param pressDrawable
* @return
*/
public static Drawable getStateListDrawable(Drawable normalDrawable, Drawable pressDrawable) {
StateListDrawable stateListDrawable = new StateListDrawable();
stateListDrawable.addState(new int[]{android.R.attr.state_checked}, pressDrawable);
stateListDrawable.addState(new int[]{}, normalDrawable);
return stateListDrawable;
}