Android抖动的EditText

Java代码：启动动画

Animation shake = AnimationUtils.loadAnimation(this, R.anim.shake);
        findViewById(R.id.pw).startAnimation(shake);  

anim/shake.xml

<translate xmlns:android="http://schemas.android.com/apk/res/android"
    android:duration="500"
    android:fromXDelta="0"
    android:interpolator="@anim/cycle_7"
    android:toXDelta="10" />  

duration为抖动时间，fromXDelta，toXDelta抖动幅度

anim/cycle_7.xml

<cycleInterpolator xmlns:android="http://schemas.android.com/apk/res/android"
    android:cycles="10" />  

EditText

<EditText android:id="@+id/pw"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
    />