Android实现手机震动抖动效果的方法

<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" />