我制作了一个函数来改变android中drawables的颜色。问题是它只能在 60-70% 的情况下工作。我在应用程序的每个活动的 onCreate 方法上调用它。 (颜色保存在共享首选项中) As you can see in this image the color of the background drawable did not change 它工作得很好。但有时在一个奇怪的活动中,只有一些可绘制对象的颜色发生变化,而其他的则保留其默认颜色。 这是函数的代码:
npm install pm2 -g
pm2 start app.js
pm2 startup
pm2 save
这是一个示例调用:
public static void changeTheme(Context context) {
int color = Color.parseColor(AppUtils.getColorSharedPreference(context, AppConstants.customCOLOR));
if (color != -1) {
Drawable unwrappedDrawable = AppCompatResources.getDrawable(context, R.drawable.ic_untitled_4);
Drawable wrappedDrawable = null;
if (unwrappedDrawable != null) {
wrappedDrawable = DrawableCompat.wrap(unwrappedDrawable);
}
Drawable unwrappedDrawableExit = AppCompatResources.getDrawable(context, R.drawable.logout_img);
Drawable wrappedDrawableExit = null;
if (unwrappedDrawableExit != null) {
wrappedDrawableExit = DrawableCompat.wrap(unwrappedDrawableExit);
}
Drawable unwrappedDrawableFocus = AppCompatResources.getDrawable(context, R.drawable.focus_img);
Drawable wrappedDrawableFocus = null;
if (unwrappedDrawableFocus != null) {
wrappedDrawableFocus = DrawableCompat.wrap(unwrappedDrawableFocus);
}
Drawable unwrappedDrawableSettings = AppCompatResources.getDrawable(context, R.drawable.settings_img);
Drawable wrappedDrawableSettings = null;
if (unwrappedDrawableSettings != null) {
wrappedDrawableSettings = DrawableCompat.wrap(unwrappedDrawableSettings);
}
Drawable unwrappedDrawableHome = AppCompatResources.getDrawable(context, R.drawable.home_img);
Drawable wrappedDrawableHome = null;
if (unwrappedDrawableHome != null) {
wrappedDrawableHome = DrawableCompat.wrap(unwrappedDrawableHome);
}
Drawable unwrappedDrawableBackArrow = AppCompatResources.getDrawable(context, R.drawable.arrow);
Drawable wrappedDrawableBackArrow = null;
if (unwrappedDrawableBackArrow != null) {
wrappedDrawableBackArrow = DrawableCompat.wrap(unwrappedDrawableBackArrow);
}
Drawable unwrappedDrawableUnknownUser = AppCompatResources.getDrawable(context, R.drawable.unknown_user);
Drawable wrappedDrawableUnknownUser = null;
if (unwrappedDrawableUnknownUser != null) {
wrappedDrawableUnknownUser = DrawableCompat.wrap(unwrappedDrawableUnknownUser);
}
Drawable unwrappedDrawableVerified = AppCompatResources.getDrawable(context, R.drawable.verified_user);
Drawable wrappedDrawableVerified = null;
if (unwrappedDrawableVerified != null) {
wrappedDrawableVerified = DrawableCompat.wrap(unwrappedDrawableVerified);
}
Drawable unwrappedDrawableNoFace = AppCompatResources.getDrawable(context, R.drawable.no_face_detected);
Drawable wrappedDrawableNoFace = null;
if (unwrappedDrawableNoFace != null) {
wrappedDrawableNoFace = DrawableCompat.wrap(unwrappedDrawableNoFace);
}
Drawable unwrappedDrawableWarning = AppCompatResources.getDrawable(context, R.drawable.warning);
Drawable wrappedDrawableWarning = null;
if (unwrappedDrawableWarning != null) {
wrappedDrawableWarning = DrawableCompat.wrap(unwrappedDrawableWarning);
}
Drawable unwrappedDrawableMessage = AppCompatResources.getDrawable(context, R.drawable.message_new);
Drawable wrappedDrawableMessage = null;
if (unwrappedDrawableMessage != null) {
wrappedDrawableMessage = DrawableCompat.wrap(unwrappedDrawableMessage);
}
DrawableCompat.setTintList(wrappedDrawable, ColorStateList.valueOf(color));
DrawableCompat.setTintList(wrappedDrawableBackArrow, ColorStateList.valueOf(color));
DrawableCompat.setTintList(wrappedDrawableExit, ColorStateList.valueOf(color));
DrawableCompat.setTintList(wrappedDrawableHome, ColorStateList.valueOf(color));
DrawableCompat.setTintList(wrappedDrawableSettings, ColorStateList.valueOf(color));
DrawableCompat.setTintList(wrappedDrawableFocus, ColorStateList.valueOf(color));
DrawableCompat.setTintList(wrappedDrawableUnknownUser, ColorStateList.valueOf(color));
DrawableCompat.setTintList(wrappedDrawableVerified, ColorStateList.valueOf(color));
DrawableCompat.setTintList(wrappedDrawableNoFace, ColorStateList.valueOf(color));
if (wrappedDrawableWarning != null) {
DrawableCompat.setTintList(wrappedDrawableWarning, ColorStateList.valueOf(color));
}
if (wrappedDrawableMessage != null) {
DrawableCompat.setTintList(wrappedDrawableMessage, ColorStateList.valueOf(color));
}
}
}
答案 0 :(得分:0)
你可以试试这个吗?
Drawable unwrappedDrawable = AppCompatResources.getDrawable(context, R.drawable.my_drawable);
Drawable wrappedDrawable = DrawableCompat.wrap(unwrappedDrawable);
DrawableCompat.setTint(wrappedDrawable, Color.RED);
答案 1 :(得分:0)
好的,所以我发现了真正的问题。 这个方法需要在super.onCreate()之前调用;