Android实现手机震动效果

<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" />