handle 控制progressbar
发送一个请求执行progressbar加载条，直到服务器有响应就关闭progressbar
private void login(){
myHandler.sendEmptyMessage(1);
newThread(){
@Override
publicvoidrun(){
//TODOAuto-generatedmethodstub
super.run();
StringmobilePhone=et_mobile_phone.getText().toString();
Stringpwd=etPwd.getText().toString();
if(mobilePhone.length()<=0){
Toast.makeText(mainActivity.this,"请填写用户名",Toast.LENGTH_LONG).show();
return;
}
if(pwd.length()<=0){
Toast.makeText(mainActivity.this,"请填写密码",Toast.LENGTH_LONG).show();
return;
}
StringhttpGetString=null;
try{
httpGetString=httpClient.httpGet("login","?mobilePhone="+mobilePhone+"&password="+pwd);
}catch(ClientProtocolExceptione){
e.printStackTrace();
}catch(IOExceptione){
e.printStackTrace();
}
ArrayList<String>getJson=null;
try{
getJson=httpClient.getResponse(httpGetString,"user");
}catch(JSONExceptione){
//TODOAuto-generatedcatchblock
e.printStackTrace();
}
if(getJson.get(0).equals("0")){
backCode=0;
Log.i("login", " "+getJson.get(1));Log.i("login", " "+getJson.get(2));
backStr=getJson.get(2);
}
else{
backCode=-1;
backStr=getJson.get(1);
}
myHandler.sendEmptyMessage(0);
}
}.start();
}Handler myHandler = new Handler() {
@Override
publicvoidhandleMessage(Messagemsg){
super.handleMessage(msg);
switch(msg.what){
case1:
progressBar.setVisibility(View.VISIBLE);
break;
case0:
progressBar.setVisibility(View.GONE);
if(backCode==-1){
Toast.makeText(mainActivity.this,backStr,Toast.LENGTH_SHORT).show();
}
else{
settings.edit().putString(KEY,backStr).commit();
intent=newIntent(mainActivity.this,orderActivity.class);
startActivity(intent);
}
break;
default:
break;
}
}
};