app:theme="@style/Widget.Design.TabLayout"
<style name="Widget.Design.TabLayout" parent="Base.Widget.Design.TabLayout"> <item name="tabGravity">fill</item> <item name="tabMode">fixed</item> </style> <style name="Base.Widget.Design.TabLayout" parent="android:Widget"> <item name="tabMaxWidth">264dp</item> <item name="tabIndicatorColor">?attr/colorAccent</item> <item name="tabIndicatorHeight">2dp</item> <item name="tabPaddingStart">12dp</item> <item name="tabPaddingEnd">12dp</item> <item name="tabBackground">?attr/selectableItemBackground</item> <item name="tabTextAppearance">@style/TextAppearance.Design.Tab</item> <item name="tabSelectedTextColor">?android:textColorPrimary</item> </style>
<style name="TextAppearance.Design.Tab" parent="TextAppearance.AppCompat.Button"> <item name="android:textSize">14dp</item> <item name="android:textColor">?android:textColorSecondary</item> <item name="textAllCaps">true</item> </style>
<android.support.design.widget.TabLayout android:id="@+id/tablayout" android:background="@color/colorPrimary" android:layout_width="match_parent" android:layout_height="wrap_content"> <android.support.design.widget.TabItem android:layout_width="match_parent" android:layout_height="wrap_content" android:text="Android"/> <android.support.design.widget.TabItem android:layout_width="match_parent" android:layout_height="wrap_content" android:icon="@mipmap/ic_launcher"/> </android.support.design.widget.TabLayout>
<android.support.design.widget.TabLayout android:id="@+id/tablayout" android:background="@color/colorPrimary" android:layout_width="match_parent" android:layout_height="wrap_content"/>
private int[] images = new int[]{
R.drawable.ic_account_balance_wallet_black,
R.drawable.ic_android_black,
R.drawable.ic_account_box_black};
private String[] tabs = new String[]{"小说", "电影", "相声"};
TabLayout tabLayout = (TabLayout) findViewById(R.id.tablayout);
tabLayout.addTab(tabLayout.newTab().setIcon(images[0]).setText(tabs[0]),true);
tabLayout.addTab(tabLayout.newTab().setIcon(images[1]).setText(tabs[1]),false);
tabLayout.addTab(tabLayout.newTab().setIcon(images[2]).setText(tabs[2]),false);
<android.support.design.widget.TabLayout android:id="@+id/tablayout" android:layout_width="match_parent" android:layout_height="wrap_content" android:background="@color/colorPrimary" app:tabGravity="fill" app:tabIndicatorColor="@android:color/holo_orange_dark" app:tabIndicatorHeight="2dp" app:tabMode="fixed" app:tabSelectedTextColor="@android:color/holo_orange_dark" app:tabTextAppearance="@style/CustomTabTextAppearanceStyle" app:tabTextColor="@android:color/white" app:theme="@style/Widget.Design.TabLayout"/> <android.support.v4.view.ViewPager android:id="@+id/view_pager" android:layout_width="match_parent" android:layout_height="match_parent"/>
TabLayout tabLayout = (TabLayout) findViewById(R.id.tablayout); ViewPager viewPager = (ViewPager) findViewById(R.id.view_pager); viewPager.setAdapter(new TabPagerAdapter(getSupportFragmentManager())); tabLayout.setupWithViewPager(viewPager);
void populateFromPagerAdapter() {
removeAllTabs();
if (mPagerAdapter != null) {
final int adapterCount = mPagerAdapter.getCount();
for (int i = 0; i < adapterCount; i++) {
addTab(newTab().setText(mPagerAdapter.getPageTitle(i)), false);
}
// Make sure we reflect the currently set ViewPager item
if (mViewPager != null && adapterCount > 0) {
final int curItem = mViewPager.getCurrentItem();
if (curItem != getSelectedTabPosition() && curItem < getTabCount()) {
selectTab(getTabAt(curItem));
}
}
}
}
@Override
public CharSequence getPageTitle(int position) {
Drawable image = TablayoutActivity.this.getResources().getDrawable(images[position]);
image.setBounds(0, 0, image.getIntrinsicWidth()/2, image.getIntrinsicHeight()/2);
ImageSpan imageSpan = new ImageSpan(image, ImageSpan.ALIGN_BOTTOM);
SpannableString ss = new SpannableString(" "+tabs[position]);
ss.setSpan(imageSpan, 0, 1, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
return ss;
}
<style name="CustomTabTextAppearanceStyle" parent="TextAppearance.Design.Tab"> <item name="textAllCaps">false</item> </style>
@Override
public void draw(Canvas canvas) {
super.draw(canvas);
// Thick colored underline below the current selection
if (mIndicatorLeft >= 0 && mIndicatorRight > mIndicatorLeft) {
canvas.drawRect(mIndicatorLeft, getHeight() - mSelectedIndicatorHeight,
mIndicatorRight, getHeight(), mSelectedIndicatorPaint);
}
}
public void setIndicator(TabLayout tabs, int leftDip, int rightDip) {
Class<?> tabLayout = tabs.getClass();
Field tabStrip = null;
try {
tabStrip = tabLayout.getDeclaredField("mTabStrip");
} catch (NoSuchFieldException e) {
e.printStackTrace();
}
tabStrip.setAccessible(true);
LinearLayout llTab = null;
try {
llTab = (LinearLayout) tabStrip.get(tabs);
} catch (IllegalAccessException e) {
e.printStackTrace();
}
int left = (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, leftDip, Resources.getSystem().getDisplayMetrics());
int right = (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, rightDip, Resources.getSystem().getDisplayMetrics());
for (int i = 0; i < llTab.getChildCount(); i++) {
View child = llTab.getChildAt(i);
child.setPadding(0, 0, 0, 0);
LinearLayout.LayoutParams params = new LinearLayout.LayoutParams(0, LinearLayout.LayoutParams.MATCH_PARENT, 1);
params.leftMargin = left;
params.rightMargin = right;
child.setLayoutParams(params);
child.invalidate();
}
}
tabLayout.post(new Runnable() {
@Override
public void run() {
setIndicator(tabLayout, 20, 20);
}
});
<?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent" android:gravity="center" android:orientation="horizontal"> <TextView android:id="@+id/txt_title" android:layout_width="wrap_content" android:layout_height="wrap_content" android:gravity="center" android:textSize="14sp" /> <ImageView android:id="@+id/img_title" android:src="@drawable/indicator" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_marginLeft="5dp" /> </LinearLayout>
public View getTabView(int position){
View view = LayoutInflater.from(context).inflate(R.layout.tab_item, null);
TextView tv= (TextView) view.findViewById(R.id.textView);
tv.setText(tabTitles[position]);
ImageView img = (ImageView) view.findViewById(R.id.imageView);
img.setImageResource(imageResId[position]);
return view;
}
viewPager.setAdapter(pagerAdapter);
tabLayout.setupWithViewPager(viewPager);
for (int i = 0; i < tabLayout.getTabCount(); i++) {
TabLayout.Tab tab = tabLayout.getTabAt(i);
if (tab != null) {
tab.setCustomView(pagerAdapter.getTabView(i));
if (tab.getCustomView() != null) {
View tabView = (View) tab.getCustomView().getParent();
tabView.setTag(i);
tabView.setOnClickListener(mTabOnClickListener);
}
}
}
viewPager.setCurrentItem(1);
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