Single row marquee effect achieved Android

Reference website: https://www.jianshu.com/p/e6c1b825d322

At first, use the following XML layout:

 1 <TextView
 2                 android:id="@+id/tv_person_name"
 3                 android:layout_marginTop="16dp"
 4                 android:layout_width="125dp"
 5                 android:layout_height="wrap_content"
 6                 android:text="健康快乐的小..."
 7                 android:textSize="20sp"
 8                 android:textColor="#CE000000"
 9                 android:layout_alignParentLeft="true"
10                 android:layout_marginLeft="85dp"
11                 android:singleLine = "true" // single line set
12                 android: ellipsize = "marquee" // marquee
 13 is                  Android: marqueeRepeatLimit = "marquee_forever" // infinite loop
 14                  Android:'s focusable = "to true" // get the focus
 15                  Android: focusableInTouchMode = "to true" />

The result: Marquee realize the effect of temporarily, but easy to lose focus after multiple click event. And on Android4.4 realize there is a short pause.

The difference focusable and focusableInTouchMode: https://blog.csdn.net/SylG17/article/details/85047234

I tried to re-acquire focus by EvenBus, but with no eggs.

Later, using a custom marquee categories:

. 1  public  class MarqueeTextView the extends AppCompatTextView {
 2      / ** number of rolling * / 
. 3      Private  int marqueeNum = -1; // -1 permanent loop, the number of cycles is greater than 0. ` 
. 4      public  void setMarqueeNum ( int marqueeNum) {
 . 5          the this .marqueeNum = marqueeNum;
 . 6      }
 . 7      public MarqueeTextView (the Context context) {
 . 8          Super (context);
 . 9          setAttr ();
 10      }
 . 11      publicMarqueeTextView (the Context context, AttributeSet attrs) {
 12 is          Super (context, attrs);
 13 is          setAttr ();
 14      }
 15      public MarqueeTextView (the Context context, AttributeSet attrs, int defStyle) {
 16          Super (context, attrs, defStyle);
 . 17          setAttr ();
 18      }
 19      / ** 
20       * always get the focus
 21       times in focus state * Marquee in TextView will scroll
 22 is       * / 
23 is      @Override
 24      public  Boolean isFocused () {
 25          return  to true;
 26      }
 27      / ** 
28       * Set the properties
 29       * / 
30      Private  void setAttr () {
 31 is          the this .setEllipsize (TextUtils.TruncateAt.MARQUEE); // set Happy effects such as 
32          the this .setMarqueeRepeatLimit (marqueeNum); // Marquee provided repetitions 
33 is          the this .setSingleLine ( to true ); // set single line 
34      }
 35 }

Marquee using custom controls:

 1 <com.sz.cszj.intelligentrobot.cszjrobot.view.MarqueeTextView
 2                 android:id="@+id/tv_person_name"
 3                 android:layout_marginTop="16dp"
 4                 android:layout_width="125dp"
 5                 android:layout_height="wrap_content"
 6                 android:text="健康快乐的小..."
 7                 android:textSize="20sp"
 8                 android:textColor="#CE000000"
 9                 android:layout_alignParentLeft="true"
10                 android:layout_marginLeft="85dp"/>

Effect: not out of focus, Marquee effect can be achieved. But still there Caton.