animation在手机上直角坐标系，即动画移动的轴

以下是一个进入Activity的动画

overridePendingTransition(R.anim.slide_in_right,R.anim.slide_in_left);

slide_in_left.xml

<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android">
    <translate
        android:duration="1000"
        android:fromXDelta="0%p"
        android:toXDelta="-100%"
        />

</set>

slide_in_right.xml

<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android">
    <translate
        android:duration="1000"
        android:fromXDelta="100%p"
        android:toXDelta="0"
        />

</set>