//第二次进入跳转需要用到SharedPreferences记录
SharedPreferences share;
//注意一定要进行这一步
share = getSharedPreferences("xiahongwu",MODE_PRIVATE);
Handler handler=new Handler(){
@Override
public void handleMessage(Message msg) {
super.handleMessage(msg);
time--;
if(time<=0){
startActivity(new Intent(MainActivity.this,Two.class));
finish();
}else{
bt.setText(time+"");
handler.sendEmptyMessageDelayed(1,1000);
}
}
};
@Override
protected void onDestroy() {
if(handler!=null){
handler.removeMessages(1);
handler=null;
}
super.onDestroy();
}
handler.sendEmptyMessageDelayed(1,1000);
boolean finish = share.getBoolean("finish", false);
if(finish){
startActivity(new Intent(MainActivity.this,Two.class));
finish();
}else{
SharedPreferences.Editor edit=share.edit();
edit.putBoolean("finish",true);
edit.commit();
}
