Android实现手机震动抖动效果的方法

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);
        }
      }
    });
  }
}

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