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Java 跳过了60帧！应用程序可能在其主线程上做了太多工作

java android

Java 跳过了60帧！应用程序可能在其主线程上做了太多工作,java,android,Java,Android,我是android新手。我正在建立一个登录活动。一切看起来都很好，但在我提交正确的用户名和密码后，应用程序不会进入下一页 以下是我运行应用程序后的日志： 11-12 15:20:37.223 1585-1585/com.infinidea.loginapplication D/dalvikvm﹕ GC_FOR_ALLOC freed 137K, 7% free 3002K/3216K, paused 40ms, total 50ms 11-12 15:20:37.373 15

我是android新手。我正在建立一个登录活动。一切看起来都很好，但在我提交正确的用户名和密码后，应用程序不会进入下一页

以下是我运行应用程序后的日志：

11-12 15:20:37.223    1585-1585/com.infinidea.loginapplication D/dalvikvm﹕ GC_FOR_ALLOC freed     137K, 7% free 3002K/3216K, paused 40ms, total 50ms
11-12 15:20:37.373    1585-1598/com.infinidea.loginapplication D/request!﹕ starting
11-12 15:20:37.513    1585-1585/com.infinidea.loginapplication I/Choreographer﹕ Skipped 70 frames!  The application may be doing too much work on its main thread.
11-12 15:20:37.643    1585-1585/com.infinidea.loginapplication I/Choreographer﹕ Skipped 70 frames!  The application may be doing too much work on its main thread.
11-12 15:20:37.953    1585-1585/com.infinidea.loginapplication I/Choreographer﹕ Skipped 132 frames!  The application may be doing too much work on its main thread.
11-12 15:20:38.073    1585-1585/com.infinidea.loginapplication I/Choreographer﹕ Skipped 61 frames!  The application may be doing too much work on its main thread.
11-12 15:20:38.363    1585-1585/com.infinidea.loginapplication I/Choreographer﹕ Skipped 50 frames!  The application may be doing too much work on its main thread.
11-12 15:20:38.493    1585-1585/com.infinidea.loginapplication I/Choreographer﹕ Skipped 33 frames!  The application may be doing too much work on its main thread.
11-12 15:20:38.743    1585-1585/com.infinidea.loginapplication I/Choreographer﹕ Skipped 31 frames!  The application may be doing too much work on its main thread.
11-12 15:20:38.873    1585-1585/com.infinidea.loginapplication I/Choreographer﹕ Skipped 52 frames!  The application may be doing too much work on its main thread.
11-12 15:20:38.933    1585-1585/com.infinidea.loginapplication I/Choreographer﹕ Skipped 32 frames!  The application may be doing too much work on its main thread.
11-12 15:20:39.243    1585-1585/com.infinidea.loginapplication I/Choreographer﹕ Skipped 37 frames!  The application may be doing too much work on its main thread.
11-12 15:20:39.433    1585-1585/com.infinidea.loginapplication I/Choreographer﹕ Skipped 40 frames!  The application may be doing too much work on its main thread.
11-12 15:20:39.843    1585-1585/com.infinidea.loginapplication I/Choreographer﹕ Skipped 42 frames!  The application may be doing too much work on its main thread.
11-12 15:20:40.593    1585-1585/com.infinidea.loginapplication I/Choreographer﹕ Skipped 44 frames!  The application may be doing too much work on its main thread.
11-12 15:20:40.743    1585-1585/com.infinidea.loginapplication I/Choreographer﹕ Skipped 42 frames!  The application may be doing too much work on its main thread.
11-12 15:20:41.663    1585-1585/com.infinidea.loginapplication I/Choreographer﹕ Skipped 38 frames!  The application may be doing too much work on its main thread.
11-12 15:20:42.493    1585-1585/com.infinidea.loginapplication I/Choreographer﹕ Skipped 42 frames!  The application may be doing too much work on its main thread.
11-12 15:20:42.813    1585-1585/com.infinidea.loginapplication I/Choreographer﹕ Skipped 39 frames!  The application may be doing too much work on its main thread.
11-12 15:20:42.923    1585-1585/com.infinidea.loginapplication I/Choreographer﹕ Skipped 32 frames!  The application may be doing too much work on its main thread.
11-12 15:20:43.233    1585-1598/com.infinidea.loginapplication D/dalvikvm﹕ GC_FOR_ALLOC freed 126K, 6% free 3390K/3588K, paused 80ms, total 80ms
11-12 15:20:43.243    1585-1585/com.infinidea.loginapplication I/Choreographer﹕ Skipped 53 frames!  The application may be doing too much work on its main thread.
11-12 15:20:43.693    1585-1585/com.infinidea.loginapplication I/Choreographer﹕ Skipped 33 frames!  The application may be doing too much work on its main thread.
11-12 15:20:44.263    1585-1585/com.infinidea.loginapplication I/Choreographer﹕ Skipped 58 frames!  The application may be doing too much work on its main thread.
11-12 15:20:44.563    1585-1585/com.infinidea.loginapplication I/Choreographer﹕ Skipped 45 frames!  The application may be doing too much work on its main thread.
11-12 15:20:44.803    1585-1598/com.infinidea.loginapplication W/System.err﹕ org.apache.http.conn.HttpHostConnectException: Connection to http://localhost:8090 refused
11-12 15:20:44.803    1585-1598/com.infinidea.loginapplication W/System.err﹕ at org.apache.http.impl.conn.DefaultClientConnectionOperator.openConnection(DefaultClientConnectionOperator.java:183)
11-12 15:20:44.803    1585-1598/com.infinidea.loginapplication W/System.err﹕ at org.apache.http.impl.conn.AbstractPoolEntry.open(AbstractPoolEntry.java:164)
11-12 15:20:44.813    1585-1598/com.infinidea.loginapplication W/System.err﹕ at org.apache.http.impl.conn.AbstractPooledConnAdapter.open(AbstractPooledConnAdapter.java:119)
11-12 15:20:44.813    1585-1598/com.infinidea.loginapplication W/System.err﹕ at org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:360)
11-12 15:20:44.813    1585-1598/com.infinidea.loginapplication W/System.err﹕ at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:555)
11-12 15:20:44.813    1585-1598/com.infinidea.loginapplication W/System.err﹕ at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:487)
11-12 15:20:44.863    1585-1585/com.infinidea.loginapplication I/Choreographer﹕ Skipped 49 frames!  The application may be doing too much work on its main thread.
11-12 15:20:45.173    1585-1598/com.infinidea.loginapplication W/System.err﹕ at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:465)
11-12 15:20:45.173    1585-1598/com.infinidea.loginapplication W/System.err﹕ at com.infinidea.loginapplication.JSONParser.makeHttpRequest(JSONParser.java:106)
11-12 15:20:45.183    1585-1598/com.infinidea.loginapplication W/System.err﹕ at com.infinidea.loginapplication.MainActivity$AttemptLogin.doInBackground(MainActivity.java:84)
11-12 15:20:45.183    1585-1598/com.infinidea.loginapplication W/System.err﹕ at com.infinidea.loginapplication.MainActivity$AttemptLogin.doInBackground(MainActivity.java:53)
11-12 15:20:45.183    1585-1598/com.infinidea.loginapplication W/System.err﹕ at android.os.AsyncTask$2.call(AsyncTask.java:288)
11-12 15:20:45.223    1585-1598/com.infinidea.loginapplication W/System.err﹕ at java.util.concurrent.FutureTask.run(FutureTask.java:237)
11-12 15:20:45.223    1585-1598/com.infinidea.loginapplication W/System.err﹕ at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:231)
11-12 15:20:45.233    1585-1598/com.infinidea.loginapplication W/System.err﹕ at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1112)
11-12 15:20:45.233    1585-1598/com.infinidea.loginapplication W/System.err﹕ at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:587)
11-12 15:20:45.233    1585-1598/com.infinidea.loginapplication W/System.err﹕ at java.lang.Thread.run(Thread.java:841)
11-12 15:20:45.233    1585-1598/com.infinidea.loginapplication W/System.err﹕ Caused by: java.net.ConnectException: failed to connect to /127.0.0.1 (port 8090): connect failed: ECONNREFUSED (Connection refused)
11-12 15:20:45.243    1585-1598/com.infinidea.loginapplication W/System.err﹕ at libcore.io.IoBridge.connect(IoBridge.java:114)
11-12 15:20:45.243    1585-1598/com.infinidea.loginapplication W/System.err﹕ at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:192)
11-12 15:20:45.243    1585-1598/com.infinidea.loginapplication W/System.err﹕ at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:459)
11-12 15:20:45.243    1585-1598/com.infinidea.loginapplication W/System.err﹕ at java.net.Socket.connect(Socket.java:843)
11-12 15:20:45.243    1585-1598/com.infinidea.loginapplication W/System.err﹕ at org.apache.http.conn.scheme.PlainSocketFactory.connectSocket(PlainSocketFactory.java:119)
11-12 15:20:45.243    1585-1598/com.infinidea.loginapplication W/System.err﹕ at org.apache.http.impl.conn.DefaultClientConnectionOperator.openConnection(DefaultClientConnectionOperator.java:144)
11-12 15:20:45.243    1585-1598/com.infinidea.loginapplication W/System.err﹕ ... 15 more
11-12 15:20:45.243    1585-1598/com.infinidea.loginapplication W/System.err﹕ Caused by: libcore.io.ErrnoException: connect failed: ECONNREFUSED (Connection refused)
11-12 15:20:45.293    1585-1585/com.infinidea.loginapplication I/Choreographer﹕ Skipped 75 frames!  The application may be doing too much work on its main thread.
11-12 15:20:45.463    1585-1598/com.infinidea.loginapplication W/System.err﹕ at libcore.io.Posix.connect(Native Method)
11-12 15:20:45.533    1585-1598/com.infinidea.loginapplication W/System.err﹕ at libcore.io.BlockGuardOs.connect(BlockGuardOs.java:85)
11-12 15:20:45.563    1585-1598/com.infinidea.loginapplication W/System.err﹕ at libcore.io.IoBridge.connectErrno(IoBridge.java:127)
11-12 15:20:45.623    1585-1598/com.infinidea.loginapplication W/System.err﹕ at libcore.io.IoBridge.connect(IoBridge.java:112)
11-12 15:20:45.623    1585-1598/com.infinidea.loginapplication W/System.err﹕ ... 20 more
11-12 15:20:45.823    1585-1585/com.infinidea.loginapplication I/Choreographer﹕ Skipped 68 frames!  The application may be doing too much work on its main thread.
11-12 15:20:45.913    1585-1585/com.infinidea.loginapplication I/Choreographer﹕ Skipped 48 frames!  The application may be doing too much work on its main thread.
这是源代码

public class MainActivity extends Activity implements OnClickListener{
private EditText user, pass;
private Button bLogin;
// Progress Dialog
private ProgressDialog pDialog;
// JSON parser class
JSONParser jsonParser = new JSONParser();
private static final String LOGIN_URL = "http://localhost/xampp/android_api/login.php";
private static final String TAG_SUCCESS = "success";
private static final String TAG_MESSAGE = "message";
@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.login);
    user = (EditText)findViewById(R.id.username);
    pass = (EditText)findViewById(R.id.password);
    bLogin = (Button)findViewById(R.id.login);
    bLogin.setOnClickListener(this);
}

@Override
public void onClick(View v) {
    // TODO Auto-generated method stub
    switch (v.getId()) {
        case R.id.login:
            new AttemptLogin().execute();
            // here we have used, switch case, because on login activity you may //also want to show registration button, so if the user is new ! we can go the //registration activity , other than this we could also do this without switch //case.
        default:
            break;
    }
}

class AttemptLogin extends AsyncTask<String, String, String> {
    /**
     * Before starting background thread Show Progress Dialog
     * */
    boolean failure = false;

    @Override
    protected void onPreExecute() {
        super.onPreExecute();
        pDialog = new ProgressDialog(MainActivity.this);
        pDialog.setMessage("Attempting for login...");
        pDialog.setIndeterminate(false);
        pDialog.setCancelable(true);
        pDialog.show();
    }

    @Override
    protected String doInBackground(String... args) {
        // TODO Auto-generated method stub
        // here Check for success tag
        int success;
        String username = user.getText().toString();
        String password = pass.getText().toString();
        try {

            List<NameValuePair> params = new ArrayList<NameValuePair>();
            params.add(new BasicNameValuePair("username", username));
            params.add(new BasicNameValuePair("password", password));

            Log.d("request!", "starting");

            JSONObject json = jsonParser.makeHttpRequest(
                    LOGIN_URL, "POST", params);

            if(json!=null){
                // checking  log for json response
                Log.d("Login attempt", json.toString());

                // success tag for json
                success = json.getInt(TAG_SUCCESS);

                if (success == 1) {
                    Log.d("Successfully Login!", json.toString());

                    Intent ii = new Intent(MainActivity.this,Otheractivity.class);
                    finish();
                    // this finish() method is used to tell android os that we are done with current //activity now! Moving to other activity
                    startActivity(ii);
                    return json.getString(TAG_MESSAGE);
                }else{

                    return json.getString(TAG_MESSAGE);

                }
            }
        } catch (JSONException e) {
            e.printStackTrace();
        }

        return null;
    }
    /**
     * Once the background process is done we need to  Dismiss the progress dialog asap
     * **/
    protected void onPostExecute(String message) {

        pDialog.dismiss();
        if (message != null){
            Toast.makeText(MainActivity.this, message, Toast.LENGTH_LONG).show();
        }
    }
}

public类MainActivity扩展活动实现OnClickListener{
私人编辑文本用户，通过；
私人按钮博客；
//进度对话框
私人对话；
//JSON解析器类
JSONParser JSONParser=新的JSONParser（）；
私有静态最终字符串登录\u URL=”http://localhost/xampp/android_api/login.php";
私有静态最终字符串标记_SUCCESS=“SUCCESS”；
私有静态最终字符串标记_MESSAGE=“MESSAGE”；
@凌驾
创建时受保护的void（Bundle savedInstanceState）{
super.onCreate（savedInstanceState）；
setContentView（R.layout.login）；
user=（EditText）findViewById（R.id.username）；
pass=（EditText）findViewById（R.id.password）；
bLogin=（按钮）findviewbyd（R.id.login）；
setOnClickListener（this）；
}
@凌驾
公共void onClick（视图v）{
//TODO自动生成的方法存根
开关（v.getId（））{
案例R.id.login：
新建AttemptLogin（）.execute（）；
//这里我们使用了switch case，因为在登录活动中，您可能//还希望显示注册按钮，因此如果用户是新用户！我们可以进行//注册活动，除此之外，我们也可以不使用switch//case来进行此操作。
违约：
打破
}
}
类AttemptLogin扩展了AsyncTask{
/**
*在启动后台线程显示进度对话框之前
* */
布尔失败=假；
@凌驾
受保护的void onPreExecute（）{
super.onPreExecute（）；
pDialog=新建进度对话框（MainActivity.this）；
setMessage（“正在尝试登录…”）；
pDialog.setUndeterminate（假）；
pDialog.setCancelable（真）；
pDialog.show（）；
}
@凌驾
受保护的字符串doInBackground（字符串…args）{
//TODO自动生成的方法存根
//在这里检查成功标签
成功；
字符串username=user.getText（）.toString（）；
字符串密码=pass.getText（）.toString（）；
试一试{
List params=new ArrayList（）；
添加（新的BasicNameValuePair（“用户名”，用户名））；
添加（新的BasicNameValuePair（“密码”，password））；
Log.d（“请求！”，“启动”）；
JSONObject json=jsonParser.makeHttpRequest(
登录URL，“POST”，参数）；
if（json！=null）{
//检查日志中的json响应
Log.d（“登录尝试”，json.toString（））；
//json的成功标记
success=json.getInt（TAG_success）；
如果（成功==1）{
Log.d（“成功登录！”，json.toString（））；
意图ii=新意图（MainActivity.this，Otheractivity.class）；
完成（）；
//此finish（）方法用于告诉android操作系统当前//活动已完成，请转到其他活动
星触觉（ii）；
返回json.getString（TAG_消息）；
}否则{
返回json.getString（TAG_消息）；
}
}
}捕获（JSONException e）{
e、 printStackTrace（）；
}
返回null；
}
/**
*后台处理完成后，我们需要尽快关闭进度对话框
* **/
受保护的void onPostExecute（字符串消息）{
pDialog.disclose（）；
如果（消息！=null）{
Toast.makeText（MainActivity.this，message，Toast.LENGTH_LONG.show（）；
}
}
}
}

您不能在Android模拟器中使用
localhost://
访问PC上的内容，您需要使用端口转发ip地址
10.0.2.2
，

您的实际错误是W/System.err﹕ org.apache.http.conn.HttpHostConnectException:到的连接被拒绝--您是否在模拟器上运行？可能与Ya重复。我正在运行Emulator。我正在使用xampp，所以端口转发ip地址是什么？那么我需要编写10.0.2.2/xampp/android_api/login.php？ 
W/System.err﹕ org.apache.http.conn.HttpHostConnectException: Connection to http://localhost:8090 refused