Vibrator vb = (Vibrator)getSystemService(Service.VIBRATOR_SERVICE);

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
  android:layout_width="match_parent"
  android:layout_height="match_parent"
  android:orientation="vertical">
  
  <Button
    android:id="@+id/btn_hasVibrator"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:text="判断是否有振动器" />


  <Button
    android:id="@+id/btn_short"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:text="短振动" />

  <Button
    android:id="@+id/btn_long"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:text="长振动" />

  <Button
    android:id="@+id/btn_rhythm"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:text="节奏振动" />

  <Button
    android:id="@+id/btn_cancle"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:text="取消振动" />
</LinearLayout>

public class MainActivity extends AppCompatActivity implements View.OnClickListener {

  private Button btn_hasVibrator;
  private Button btn_short;
  private Button btn_long;
  private Button btn_rhythm;
  private Button btn_cancle;
  private Vibrator myVibrator;
  private Context mContext;

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    //获得系统的Vibrator实例:
    myVibrator = (Vibrator) getSystemService(Service.VIBRATOR_SERVICE);
    mContext = MainActivity.this;
    bindViews();
  }

  private void bindViews() {
    btn_hasVibrator = (Button) findViewById(R.id.btn_hasVibrator);
    btn_short = (Button) findViewById(R.id.btn_short);
    btn_long = (Button) findViewById(R.id.btn_long);
    btn_rhythm = (Button) findViewById(R.id.btn_rhythm);
    btn_cancle = (Button) findViewById(R.id.btn_cancle);

    btn_hasVibrator.setOnClickListener(this);
    btn_short.setOnClickListener(this);
    btn_long.setOnClickListener(this);
    btn_rhythm.setOnClickListener(this);
    btn_cancle.setOnClickListener(this);
  }


  @Override
  public void onClick(View v) {
    switch (v.getId()) {
      case R.id.btn_hasVibrator:
        Toast.makeText(mContext, myVibrator.hasVibrator() ? "当前设备有振动器" : "当前设备无振动器",
            Toast.LENGTH_SHORT).show();
        break;
      case R.id.btn_short:
        myVibrator.cancel();
        myVibrator.vibrate(new long[]{100, 200, 100, 200}, 0);
        Toast.makeText(mContext, "短振动", Toast.LENGTH_SHORT).show();
        break;
      case R.id.btn_long:
        myVibrator.cancel();
        myVibrator.vibrate(new long[]{100, 100, 100, 1000}, 0);
        Toast.makeText(mContext, "长振动", Toast.LENGTH_SHORT).show();
        break;
      case R.id.btn_rhythm:
        myVibrator.cancel();
        myVibrator.vibrate(new long[]{500, 100, 500, 100, 500, 100}, 0);
        Toast.makeText(mContext, "节奏振动", Toast.LENGTH_SHORT).show();
        break;
      case R.id.btn_cancle:
        myVibrator.cancel();
        Toast.makeText(mContext, "取消振动", Toast.LENGTH_SHORT).show();
    }
  }
}