android - FragmentTransacation with slide in/out animation on >4 performance -

i'm trying implement fragment transaction slide in/out animation. i'm developing on minimum 14 sdk objectanimator option me (is there other way? translate animation not available understand).

the code simple:

animationview.java - wrapper class

public class animationview extends linearlayout {  public animationview(context context, attributeset attrs) {     super(context, attrs); }   public float getyfraction() {     return getheight(); }  public void setyfraction(float yfraction) {     final int height = this.getheight();     sety((height > 0) ? (yfraction * height) : -9999); } } 

slide in & out xml's

<?xml version="1.0" encoding="utf-8"?> <set> <objectanimator xmlns:android="http://schemas.android.com/apk/res/android"                 android:interpolator="@android:anim/accelerate_decelerate_interpolator"                 android:propertyname="yfraction"                 android:valuetype="floattype"                 android:valuefrom="-1"                 android:valueto="0"                 android:duration="600"/> 

<?xml version="1.0" encoding="utf-8"?> <set> <objectanimator xmlns:android="http://schemas.android.com/apk/res/android"                 android:interpolator="@android:anim/accelerate_decelerate_interpolator"                 android:propertyname="yfraction"                 android:valuetype="floattype"                 android:valuefrom="0"                 android:valueto="1"                 android:duration="600"/> 

animations works perfect, can see used custom property yfraction. performance bad... in tablets noticed horizontal white line (around 3 px height) during animation, in other smartphone device went slow (not duration slow flickering).

i found way fix if set valuefrom & valueto fit view dimension, it's not generic , need 0 1 generic views

would appreciate if can me or tell me if there's way implement on android 14 , up.

thanks.

try this:

if (mlastmenuweight > mmenuweight) { transaction.setcustomanimations(android.r.anim.slide_in_left, android.r.anim.slide_out_right); }else{transaction.setcustomanimations(r.anim.slide_in_right, r.anim.slide_out_left);}