Question

我是初学程序员，我从天气网站开始使用网络抓取工具。当我在每个Activity的前两个城市正常工作时运行应用程序时，其他人使用以下消息停止应用程序：“Current_Weather被中断。如果我的问题有解决方案，请帮助我。

错误消息：

06-24 16:03:04.805 18004-18004/com.example.junior_marg.current_weather E/AndroidRuntime: FATAL EXCEPTION: main
                                                                                         Process: com.example.junior_marg.current_weather, PID: 18004
                                                                                         java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.junior_marg.current_weather/com.example.junior_marg.current_weather.Main14Activity}: java.lang.IndexOutOfBoundsException: Index: 1, Size: 1
                                                                                             at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2927)
                                                                                             at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2988)
                                                                                             at android.app.ActivityThread.-wrap14(ActivityThread.java)
                                                                                             at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1631)
                                                                                             at android.os.Handler.dispatchMessage(Handler.java:102)
                                                                                             at android.os.Looper.loop(Looper.java:154)
                                                                                             at android.app.ActivityThread.main(ActivityThread.java:6682)
                                                                                             at java.lang.reflect.Method.invoke(Native Method)
                                                                                             at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1520)
                                                                                             at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1410)
                                                                                          Caused by: java.lang.IndexOutOfBoundsException: Index: 1, Size: 1
                                                                                             at java.util.ArrayList.get(ArrayList.java:411)
                                                                                             at com.example.junior_marg.current_weather.Main14Activity.onCreate(Main14Activity.java:94)
                                                                                             at android.app.Activity.performCreate(Activity.java:6942)
                                                                                             at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1126)
                                                                                             at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2880)
                                                                                             at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2988) 
                                                                                             at android.app.ActivityThread.-wrap14(ActivityThread.java) 
                                                                                             at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1631) 
                                                                                             at android.os.Handler.dispatchMessage(Handler.java:102) 
                                                                                             at android.os.Looper.loop(Looper.java:154) 
                                                                                             at android.app.ActivityThread.main(ActivityThread.java:6682) 
                                                                                             at java.lang.reflect.Method.invoke(Native Method) 
                                                                                             at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1520) 
                                                                                             at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1410)

Java代码：

package com.example.junior_marg.current_weather;

import android.os.StrictMode;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.widget.TextView;

import org.jsoup.Jsoup;
import org.jsoup.nodes.Document;
import org.jsoup.nodes.Element;
import org.jsoup.select.Elements;

import java.io.IOException;

public class Main14Activity extends AppCompatActivity {

    TextView mTextView_33;
    TextView mTextView_34;
    TextView mTextView_35;
    TextView mTextView_36;
    TextView mTextView_37;
    TextView mTextView_38;
    TextView mTextView_39;
    TextView mTextView_40;
    TextView mTextView_41;
    TextView mTextView_42;
    TextView mTextView_43;
    TextView mTextView_44;
    TextView mTextView_45;
    TextView mTextView_46;
    TextView mTextView_47;
    TextView mTextView_48;

    String therm_3;
    String ygrasia_3;
    String simdrosou_3;
    String anemos_3;
    String varom_3;
    String simerinosy_3;
    String ragd_3;
    String trexkak_3;
    String miniaiosy_3;
    String ethsiosy_3;
    String aisthpsix_3;
    String yperithriakt_3;
    String deiktisdis_3;
    String hliakiakt_3;
    String anatoli_3;
    String disi_3;

    String url;
    Document doc;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main14);

        StrictMode.ThreadPolicy policy = new StrictMode.ThreadPolicy.Builder().permitAll().build();
        StrictMode.setThreadPolicy(policy);

        mTextView_33 = (TextView) findViewById(R.id.textview77);
        mTextView_34 = (TextView) findViewById(R.id.textview79);
        mTextView_35 = (TextView) findViewById(R.id.textview81);
        mTextView_36 = (TextView) findViewById(R.id.textview83);
        mTextView_37 = (TextView) findViewById(R.id.textview85);
        mTextView_38 = (TextView) findViewById(R.id.textview87);
        mTextView_39 = (TextView) findViewById(R.id.textview89);
        mTextView_40 = (TextView) findViewById(R.id.textview91);
        mTextView_41 = (TextView) findViewById(R.id.textview93);
        mTextView_42 = (TextView) findViewById(R.id.textview95);
        mTextView_43 = (TextView) findViewById(R.id.textview97);
        mTextView_44 = (TextView) findViewById(R.id.textview99);
        mTextView_45 = (TextView) findViewById(R.id.textview101);
        mTextView_46 = (TextView) findViewById(R.id.textview103);
        mTextView_47 = (TextView) findViewById(R.id.textview105);
        mTextView_48 = (TextView) findViewById(R.id.textview107);

        doc = null;
        url = "http://penteli.meteo.gr/stations/larissa/";

        try {
            doc = Jsoup.connect(url).get();
        } catch (IOException e) {
            e.printStackTrace();
        }

        Element table_33 = doc.select("table").get(0);
        Elements rows_33 = table_33.select("tr");

        Element row_33 = rows_33.get(5);
        Elements cols_33 = row_33.select("td");

        therm_3 =  cols_33.get(1).text() ;

        mTextView_33.setText(therm_3);

        Element row_34 = rows_33.get(6);
        Elements cols_34= row_34.select("td");

        ygrasia_3 =  cols_34.get(1).text() ;

        mTextView_34.setText(ygrasia_3);

        Element row_35 = rows_33.get(7);
        Elements cols_35 = row_35.select("td");

        simdrosou_3 =  cols_35.get(1).text() ;

        mTextView_35.setText(simdrosou_3);

        Element row_36 = rows_33.get(8);
        Elements cols_36 = row_36.select("td");

        anemos_3 =  cols_36.get(1).text() ;

        mTextView_36.setText(anemos_3);

        Element row_37 = rows_33.get(9);
        Elements cols_37 = row_37.select("td");

        varom_3 =  cols_37.get(1).text() ;

        mTextView_37.setText(varom_3);

        Element row_38 = rows_33.get(10);
        Elements cols_38 = row_38.select("td");

        simerinosy_3 =  cols_38.get(1).text() ;

        mTextView_38.setText(simerinosy_3);

        Element row_39 = rows_33.get(11);
        Elements cols_39 = row_39.select("td");

        ragd_3 =  cols_39.get(1).text() ;

        mTextView_39.setText(ragd_3);

        Element row_40 = rows_33.get(12);
        Elements cols_40 = row_40.select("td");

        trexkak_3 =  cols_40.get(1).text() ;

        mTextView_40.setText(trexkak_3);

        Element row_41 = rows_33.get(13);
        Elements cols_41 = row_41.select("td");

        miniaiosy_3 =  cols_41.get(1).text() ;

        mTextView_41.setText(miniaiosy_3);

        Element row_42 = rows_33.get(14);
        Elements cols_42 = row_42.select("td");

        ethsiosy_3 =  cols_42.get(1).text() ;

        mTextView_42.setText(ethsiosy_3);

        Element row_43 = rows_33.get(15);
        Elements cols_43 = row_43.select("td");

        aisthpsix_3 =  cols_43.get(1).text() ;

        mTextView_43.setText(aisthpsix_3);

        Element row_44 = rows_33.get(16);
        Elements cols_44 = row_44.select("td");

        yperithriakt_3 =  cols_44.get(1).text() ;

        mTextView_44.setText(yperithriakt_3);

        Element row_45 = rows_33.get(17);
        Elements cols_45 = row_45.select("td");

        deiktisdis_3 =  cols_45.get(1).text() ;

        mTextView_45.setText(deiktisdis_3);

        Element row_46 = rows_33.get(18);
        Elements cols_46 = row_46.select("td");

        hliakiakt_3 =  cols_46.get(1).text() ;

        mTextView_46.setText(hliakiakt_3);

        Element row_47 = rows_33.get(19);
        Elements cols_47 = row_47.select("td");

        anatoli_3 =  cols_47.get(1).text() ;

        mTextView_47.setText(anatoli_3);

        Element row_48 = rows_33.get(20);
        Elements cols_48 = row_48.select("td");

        disi_3 =  cols_48.get(1).text() ;

        mTextView_48.setText(disi_3);
    }
}

XML代码：

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context="com.example.junior_marg.current_weather.Main14Activity">

    <TextView
        android:id="@+id/textview76"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="@string/c"
        android:layout_marginLeft="20dp"
        android:layout_marginStart="10dp"
        android:layout_marginTop="10dp" />

    <TextView
        android:id="@+id/textview77"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_toRightOf="@+id/textview76"
        android:layout_marginLeft="20dp"
        android:layout_marginStart="92dp"
        android:layout_marginTop="10dp" />

    <TextView
        android:id="@+id/textview78"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="@string/d"
        android:layout_below="@+id/textview76"
        android:layout_marginLeft="20dp"
        android:layout_marginStart="10dp"
        android:layout_marginTop="10dp"/>

    <TextView
        android:id="@+id/textview79"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_toRightOf="@+id/textview78"
        android:layout_below="@+id/textview77"
        android:layout_marginLeft="50dp"
        android:layout_marginStart="133dp"
        android:layout_marginTop="10dp" />

    <TextView
        android:id="@+id/textview80"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="@string/h2"
        android:layout_below="@+id/textview78"
        android:layout_marginLeft="20dp"
        android:layout_marginStart="10dp"
        android:layout_marginTop="10dp" />

    <TextView
        android:id="@+id/textview81"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_toRightOf="@+id/textview80"
        android:layout_marginLeft="20dp"
        android:layout_marginStart="77dp"
        android:layout_marginTop="63dp" />

    <TextView
        android:id="@+id/textview82"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="@string/i2"
        android:layout_below="@+id/textview80"
        android:layout_marginLeft="20dp"
        android:layout_marginStart="10dp"
        android:layout_marginTop="10dp"/>

    <TextView
        android:id="@+id/textview83"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_toRightOf="@+id/textview82"
        android:layout_marginLeft="50dp"
        android:layout_marginStart="130dp"
        android:layout_marginTop="90dp" />

    <TextView
        android:id="@+id/textview84"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="@string/j2"
        android:layout_marginLeft="20dp"
        android:layout_marginStart="10dp"
        android:layout_marginTop="10dp"
        android:layout_below="@+id/textview82"/>

    <TextView
        android:id="@+id/textview85"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_toRightOf="@+id/textview84"
        android:layout_below="@+id/textview83"
        android:layout_marginLeft="10dp"
        android:layout_marginStart="104dp"
        android:layout_marginTop="10dp" />

    <TextView
        android:id="@+id/textview86"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="@string/k2"
        android:layout_below="@+id/textview84"
        android:layout_marginLeft="20dp"
        android:layout_marginStart="10dp"
        android:layout_marginTop="10dp"/>

    <TextView
        android:id="@+id/textview87"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_toRightOf="@+id/textview86"
        android:layout_below="@+id/textview85"
        android:layout_marginLeft="50dp"
        android:layout_marginStart="63dp"
        android:layout_marginTop="11dp" />

    <TextView
        android:id="@+id/textview88"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="@string/l2"
        android:layout_below="@+id/textview86"
        android:layout_marginLeft="20dp"
        android:layout_marginStart="10dp"
        android:layout_marginTop="10dp" />

    <TextView
        android:id="@+id/textview89"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_toRightOf="@+id/textview88"
        android:layout_below="@+id/textview87"
        android:layout_marginLeft="20dp"
        android:layout_marginStart="94dp"
        android:layout_marginTop="10dp" />

    <TextView
        android:id="@+id/textview90"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="@string/m2"
        android:layout_below="@+id/textview88"
        android:layout_marginLeft="20dp"
        android:layout_marginStart="10dp"
        android:layout_marginTop="10dp"/>

    <TextView
        android:id="@+id/textview91"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_toRightOf="@+id/textview90"
        android:layout_below="@+id/textview89"
        android:layout_marginLeft="50dp"
        android:layout_marginStart="36dp"
        android:layout_marginTop="10dp" />

    <TextView
        android:id="@+id/textview92"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="@string/n2"
        android:layout_marginLeft="20dp"
        android:layout_marginStart="10dp"
        android:layout_marginTop="10dp"
        android:layout_below="@+id/textview90"/>

    <TextView
        android:id="@+id/textview93"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_toRightOf="@+id/textview92"
        android:layout_below="@+id/textview91"
        android:layout_marginLeft="20dp"
        android:layout_marginStart="75dp"
        android:layout_marginTop="10dp" />

    <TextView
        android:id="@+id/textview94"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="@string/o2"
        android:layout_below="@+id/textview92"
        android:layout_marginLeft="20dp"
        android:layout_marginStart="10dp"
        android:layout_marginTop="10dp"/>

    <TextView
        android:id="@+id/textview95"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_toRightOf="@+id/textview94"
        android:layout_below="@+id/textview93"
        android:layout_marginLeft="50dp"
        android:layout_marginStart="85dp"
        android:layout_marginTop="10dp" />

    <TextView
        android:id="@+id/textview96"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="@string/p2"
        android:layout_below="@+id/textview94"
        android:layout_marginLeft="20dp"
        android:layout_marginStart="10dp"
        android:layout_marginTop="10dp" />

    <TextView
        android:id="@+id/textview97"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_toRightOf="@+id/textview96"
        android:layout_below="@+id/textview95"
        android:layout_marginLeft="20dp"
        android:layout_marginStart="73dp"
        android:layout_marginTop="10dp" />

    <TextView
        android:id="@+id/textview98"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="@string/q2"
        android:layout_below="@+id/textview96"
        android:layout_marginLeft="20dp"
        android:layout_marginStart="10dp"
        android:layout_marginTop="10dp"/>

    <TextView
        android:id="@+id/textview99"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_toRightOf="@+id/textview98"
        android:layout_below="@+id/textview97"
        android:layout_marginLeft="50dp"
        android:layout_marginStart="24dp"
        android:layout_marginTop="10dp" />

    <TextView
        android:id="@+id/textview100"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="@string/r2"
        android:layout_marginLeft="20dp"
        android:layout_marginStart="10dp"
        android:layout_marginTop="10dp"
        android:layout_below="@+id/textview98"/>

    <TextView
        android:id="@+id/textview101"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_toRightOf="@+id/textview100"
        android:layout_below="@+id/textview99"
        android:layout_marginLeft="10dp"
        android:layout_marginStart="52dp"
        android:layout_marginTop="10dp" />

    <TextView
        android:id="@+id/textview102"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="@string/s2"
        android:layout_below="@+id/textview100"
        android:layout_marginLeft="20dp"
        android:layout_marginStart="10dp"
        android:layout_marginTop="10dp"/>

    <TextView
        android:id="@+id/textview103"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_toRightOf="@+id/textview102"
        android:layout_below="@+id/textview101"
        android:layout_marginLeft="50dp"
        android:layout_marginStart="45dp"
        android:layout_marginTop="11dp" />

    <TextView
        android:id="@+id/textview104"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="@string/t2"
        android:layout_below="@+id/textview102"
        android:layout_marginLeft="20dp"
        android:layout_marginStart="10dp"
        android:layout_marginTop="10dp" />

    <TextView
        android:id="@+id/textview105"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_toRightOf="@+id/textview104"
        android:layout_below="@+id/textview103"
        android:layout_marginLeft="20dp"
        android:layout_marginStart="122dp"
        android:layout_marginTop="10dp" />

    <TextView
        android:id="@+id/textview106"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="@string/u2"
        android:layout_below="@+id/textview104"
        android:layout_marginLeft="20dp"
        android:layout_marginStart="10dp"
        android:layout_marginTop="10dp"/>

    <TextView
        android:id="@+id/textview107"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_toRightOf="@+id/textview106"
        android:layout_below="@+id/textview105"
        android:layout_marginLeft="50dp"
        android:layout_marginStart="151dp"
        android:layout_marginTop="10dp" />

</RelativeLayout>

Answer 1

我认为您的问题出在therm_3 = cols_33.get(1).text() ;。当你试图得到它的第二个元素时，你的cols_33似乎只有一个元素。如果你用这个代替那行，我希望你的问题能解决： therm_3 = cols_33.get(0).text() ;

FATAL EXCEPTION：main，能够启动活动ComponentInfo，java.lang.IndexOutOfBoundsException

1 个答案: