【发布时间】:2016-08-21 07:07:20
【问题描述】:
我正在尝试做颜色选择器,当标签选择时,他的颜色将是白色,而当未选择时 - 其他颜色。为此,我使用 setColorFilter。但是选择时选项卡图标颜色不是清晰的白色。使用图像资产添加图像并选择自定义颜色 - 白色。我必须把它做干净的白色。任何帮助,任何想法都将不胜感激。
这是我的代码
private int[] tabIcons = {
R.drawable.ic_no,
R.drawable.busket,
R.drawable.ic_tab_aksia,
R.drawable.ic_tab_menu
};
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_icon_tabs);
toolbar = (Toolbar) findViewById(R.id.toolbar);
toolbar.setTitleTextColor(Color.WHITE);
setSupportActionBar(toolbar);
frameLayout = (FrameLayout) findViewById(R.id.frameLayout);
adapter = new ViewPagerAdapter(getSupportFragmentManager());
viewPager = (ViewPager) findViewById(R.id.viewpager);
viewPager.setAdapter(adapter);
viewPager.addOnPageChangeListener(pageChangeListener);
viewPager.setOffscreenPageLimit(10);
tabLayout = (TabLayout) findViewById(R.id.tabs);
tabLayout.setupWithViewPager(viewPager);
setupTabIcons();
}
private OnPageChangeListener pageChangeListener = new OnPageChangeListener() {
int currentPosition = 0;
@Override
public void onPageSelected(int newPosition) {
FragmentLifecycle fragmentToHide = (FragmentLifecycle) adapter.getItem(currentPosition);
fragmentToHide.onPauseFragment();
FragmentLifecycle fragmentToShow = (FragmentLifecycle) adapter.getItem(newPosition);
fragmentToShow.onResumeFragment();
currentPosition = newPosition;
}
@Override
public void onPageScrolled(int arg0, float arg1, int arg2) { }
public void onPageScrollStateChanged(int arg0) { }
};
private void setupTabIcons() {
tabLayout.getTabAt(0).setIcon(tabIcons[0]);
tabLayout.getTabAt(1).setIcon(tabIcons[1]);
tabLayout.getTabAt(2).setIcon(tabIcons[2]);
tabLayout.getTabAt(3).setIcon(tabIcons[3]);
tabLayout.getTabAt(0).getIcon().setColorFilter(Color.WHITE, PorterDuff.Mode.SRC_IN);
tabLayout.getTabAt(1).getIcon().setColorFilter(Color.parseColor("#F0F0F0"), PorterDuff.Mode.SRC_IN);
tabLayout.getTabAt(2).getIcon().setColorFilter(Color.parseColor("#F0F0F0"), PorterDuff.Mode.SRC_IN);
tabLayout.getTabAt(3).getIcon().setColorFilter(Color.parseColor("#F0F0F0"), PorterDuff.Mode.SRC_IN);
tabLayout.setOnTabSelectedListener(new TabLayout.OnTabSelectedListener() {
@Override
public void onTabSelected(TabLayout.Tab tab) {
tab.getIcon().setColorFilter(Color.WHITE, PorterDuff.Mode.SRC_IN);
}
@Override
public void onTabUnselected(TabLayout.Tab tab) {
tab.getIcon().setColorFilter(Color.parseColor("#F0F0F0"), PorterDuff.Mode.SRC_IN);
}
@Override
public void onTabReselected(TabLayout.Tab tab) {
}
});
public void setCurrentItem (int item, boolean smoothScroll) {
viewPager.setCurrentItem(item, smoothScroll);
}
【问题讨论】:
-
尝试在图标上使用
mutate()的方法,像tab.getIcon().mutate().setColorFilter(Color.WHITE, PorterDuff.Mode.SRC_IN);这样的drawable。这也许可以解决您的问题。 :)
标签: android android-tablayout android-icons