android tab上显示数字

好多人问怎么实现tab上有数字，其实很简单实现方法有很多，这里有布局实现吧，只是demo，希望大家明白原理res/drawable/shapecount.xml

Java代码

<?xmlversion="1.0"encoding="utf-8"?>
<shape
xmlns:android="http://schemas.android.com/apk/res/android"
android:shape="rectangle">
<cornersandroid:radius="20dp"/>
<solidandroid:color="#ff2233"/>
</shape>

Java代码

res/layout/tabicon.xml
<RelativeLayout
android:orientation="vertical"
android:background="@null"
android:id="@+id/rlayout"
android:layout_width="wrap_content"
android:layout_height="wrap_content">
<ImageView
android:id="@+id/icon"
android:src="@android:drawable/ic_menu_mylocation"
android:layout_margin="0dp"
android:layout_height="wrap_content"
android:layout_width="wrap_content"/>
<TextViewandroid:layout_width="wrap_content"android:layout_height="wrap_content"
android:text="50"android:textSize="12dp"android:textStyle="bold"
android:background="@drawable/shapecount"
android:textColor="#FFFFFF"
android:paddingLeft="3dp"android:paddingRight="3dp"
android:layout_margin="0dp"
android:layout_alignBottom="@+id/rlayout"
android:id="@+id/txtCount"/>
</RelativeLayout>

LayoutInflater inflater = LayoutInflater.from(this);

 View view = inflater.inflate(R.layout.tabicon, null);final TextView txtCount = (TextView) view.findViewById(R.id.txtCount);spec = tabHost.newTabSpec("artists").setIndicator(view).setContent(intent);

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