嘿伙计们,我仍然是一个 Android 和 Java 菜鸟,但我所看到的一切都告诉我这应该完全有效,但事实并非如此!不在模拟器中,不在电话中..我正在尝试使用振动器使用振动器(500);..我收到“应用程序意外停止”错误
我错过了什么?
下面的代码:
package com.phys;
import android.app.Activity;
import android.content.Context;
import android.os.Bundle;
import android.os.Vibrator;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.TextView;
public class phys extends Activity {
Vibrator vibr;
Button but;
TextView txt;
int counter = 0;
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
vibr = (Vibrator)getSystemService(Context.VIBRATOR_SERVICE);
but = (Button)findViewById(R.id.Button01);
txt = (TextView)findViewById(R.id.txt);
but.setOnClickListener(clk);
}
OnClickListener clk = new OnClickListener(){
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
txt.setText(Integer.toString(counter));
//do something else
vibr.vibrate(500);
counter++;
}
};
}