Android手机震动抖动效果的实现

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
tools:context=".MainActivity" >

<EditText
android:id="@+id/et_text"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_alignParentRight="true"
android:layout_alignParentTop="true"
android:layout_marginTop="16dp"
android:ems="10" >

<requestFocus />
</EditText>

<Button
android:id="@+id/btn_submit"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignLeft="@+id/et_text"
android:layout_below="@+id/et_text"
android:layout_marginTop="38dp"
android:text="提交" />

</RelativeLayout>

package com.example.test11;

import android.app.Activity;
import android.os.Bundle;
import android.os.Vibrator;
import android.text.TextUtils;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.animation.Animation;
import android.view.animation.AnimationUtils;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;

public class MainActivity extends Activity {

private EditText et_text;
private Button btn_submit;
/**
* 手机振动器
*/
private Vibrator vibrator;

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
et_text = (EditText) this.findViewById(R.id.et_text);
btn_submit = (Button) this.findViewById(R.id.btn_submit);

// 震动效果的系统服务
vibrator = (Vibrator) getSystemService(VIBRATOR_SERVICE);

btn_submit.setOnClickListener(new OnClickListener() {
String text = et_text.getText().toString().trim();

public void onClick(View v) {
if (TextUtils.isEmpty(text)) {
Toast.makeText(MainActivity.this, "内容为空", 0).show();
Animation shake = AnimationUtils.loadAnimation(
MainActivity.this, R.anim.shake);
et_text.startAnimation(shake);

/*
* 震动的方式
*/
// vibrator.vibrate(2000);//振动两秒

// 下边是可以使震动有规律的震动   -1：表示不重复 0：循环的震动
long[] pattern = { 200, 2000, 2000, 200, 200, 200 };
vibrator.vibrate(pattern, -1);
}
}
});
}
}

<?xml version="1.0" encoding="utf-8"?>
<cycleInterpolator xmlns:android="http://schemas.android.com/apk/res/android"
android:cycles="7" />

<?xml version="1.0" encoding="utf-8"?>
<translate xmlns:android="http://schemas.android.com/apk/res/android"
android:duration="1000"
android:fromXDelta="0"
android:interpolator="@anim/cycle_7"
android:toXDelta="10" />

<uses-permission android:name="android.permission.VIBRATE" />