android 类似微信的摇一摇功能实现思路及代码
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package com.eboy.testyaoyiyao;
import java.text.simpledateformat;
import java.util.date;
import android.app.activity;
import android.hardware.sensor;
import android.hardware.sensorevent;
import android.hardware.sensoreventlistener;
import android.hardware.sensormanager;
import android.os.bundle;
import android.os.vibrator;
import android.view.menu;
import android.widget.textview;
public class mainactivity extends activity implements sensoreventlistener {
//sensor管理器
private sensormanager msensormanager = null;
//震动
private vibrator mvibrator = null;
@override
public void oncreate(bundle savedinstancestate) {
super.oncreate(savedinstancestate);
setcontentview(r.layout.activity_main);
msensormanager = (sensormanager)getsystemservice(sensor_service);
mvibrator = (vibrator)getsystemservice(vibrator_service);
}
@override
public boolean oncreateoptionsmenu(menu menu) {
getmenuinflater().inflate(r.menu.activity_main, menu);
return true;
}
public void onaccuracychanged(sensor arg0, int arg1) {
// todo auto-generated method stub
}
public void onsensorchanged(sensorevent arg0) {
// todo auto-generated method stub
int sensortype = arg0.sensor.gettype();
float[] values = arg0.values;
if (sensortype == sensor.type_accelerometer){
if (math.abs(values[0]) > 14 || math.abs(values[1]) > 14 || math.abs(values[2]) > 14){
mvibrator.vibrate(100);
textview tv1 = (textview)findviewbyid(r.id.textview1);
simpledateformat f=new simpledateformat("yyyy-mm-dd hh:mm:ss e");
tv1.settext(f.format(new date()) + "手机摇动了...");
}
}
}
@override
protected void onresume() {
// todo auto-generated method stub
super.onresume();
msensormanager.registerlistener(this, msensormanager.getdefaultsensor(sensor.type_accelerometer), sensormanager.sensor_delay_normal);
}
@override
protected void onstop() {
// todo auto-generated method stub
msensormanager.unregisterlistener(this);
super.onstop();
}
@override
protected void onpause() {
// todo auto-generated method stub
msensormanager.unregisterlistener(this);
super.onpause();
}
}
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