Question

我看到很多人在这里遇到了iPhone的这个问题，但这是一台Nexus 7设备。应用程序崩溃与发布版本，但当我直接在设备上调试时，崩溃不会发生。我可以说它是该软件的最新版本。

其他人遇到这个？

发布版本和调试版本甚至在同一个数据库上运行。

这是崩溃的代码（空指针异常 - 指示行）：

        mTabHost = (TabHost)findViewById(R.id.tabHost);
    mTabHost.setup();
    mTabHost.setOnTabChangedListener(this);

    String className = this.getLocalClassName();

    if (surveyID < 68) { 
        String sql = "Select * FROM L_Options WHERE Type = 'TabSetup' AND Setting = '" + optIncludeSurvey + "' " 
                   + "AND Value = " + surveyID;
        Cursor c = DataBaseConnector.query(sql);
        if (c != null) { 
            if (c.moveToFirst()) { 
                surveyID = c.getInt(c.getColumnIndex("FK_RecID"));
            }
        }
    }

    String sql = "SELECT TS.TextID, TS.TabClass, TS.TabHeaderID, TS.Comments,O.Value "//
            + "FROM L_TabSetup AS TS LEFT JOIN L_Options O ON "//
            + "O.FK_RecID = TS.TabSurveyID AND O.Type = 'TabSetup' AND O.Setting = '" + optIncludeSurvey + "' "//
            + "WHERE TS.ScreenClass = '" + className + "' "//
            + "AND TS.Active = 1 "//
            + "AND O.Active = 1 "//
            + "AND TS.TabSurveyID = " + surveyID + " ";

    if (GlobalVars.subjectLeftToRight == 1) {
        sql += "ORDER BY TS.DisplayOrder ASC";
    } else {
        sql += "ORDER BY TS.DisplayOrder DESC";
    }

    Cursor c = DataBaseConnector.query(sql);

    if (c != null) {
        if (c.moveToFirst()) {
            TabInfo tabInfo = null;

            do {
                String comment = c.getString(c.getColumnIndex("Comments"));
                int includeSurveyID = c.getInt(c.getColumnIndex("Value"));
                Class<?> tabClass = getClass(c.getString(c.getColumnIndex("TabClass")));
                int tabHeaderID = c.getInt(c.getColumnIndex("TabHeaderID"));
                //put in included SurveyID
                if (args != null) { 
                    if (args.getInt(optIncludeSurvey, -1) == -1) {                  
                        args.putInt(optIncludeSurvey, includeSurveyID);
                    }
                }
                else { 
                    args = new Bundle();
                    args.putInt(optIncludeSurvey, includeSurveyID);
                }

                String[] texts = Lookups.getText(c.getInt(c.getColumnIndex("TextID")));

                //crash line
                ////////////////////////////////////////////////////////
                tabInfo = new TabInfo(tabClass, args, texts, c.getInt(c.getColumnIndex("TextID")), tabHeaderID, comment, surveyID);
                //end crash line
                //////////////////////////////////////////////////////////

                addTab(this, tabInfo);
                this.mapTabInfo.put(tabInfo.texts[0], tabInfo);

            } while (c.moveToNext());
        }
        c.close();
        c = null;
    }

请善待编码实践 - 这是遗留代码。

已编辑：Logcat文件

08-15 10:07:09.818: E/AndroidRuntime(1221): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.assistek.ediary/com.assistek.ediary.SubjectMenuEvent}: java.lang.NullPointerException
08-15 10:07:09.818: E/AndroidRuntime(1221):     at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2180)
08-15 10:07:09.818: E/AndroidRuntime(1221):     at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2230)
08-15 10:07:09.818: E/AndroidRuntime(1221):     at android.app.ActivityThread.access$600(ActivityThread.java:141)
08-15 10:07:09.818: E/AndroidRuntime(1221):     at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1234)
08-15 10:07:09.818: E/AndroidRuntime(1221):     at android.os.Handler.dispatchMessage(Handler.java:99)
08-15 10:07:09.818: E/AndroidRuntime(1221):     at android.os.Looper.loop(Looper.java:137)
08-15 10:07:09.818: E/AndroidRuntime(1221):     at android.app.ActivityThread.main(ActivityThread.java:5039)
08-15 10:07:09.818: E/AndroidRuntime(1221):     at java.lang.reflect.Method.invokeNative(Native Method)
08-15 10:07:09.818: E/AndroidRuntime(1221):     at java.lang.reflect.Method.invoke(Method.java:511)
 08-15 10:07:09.818: E/AndroidRuntime(1221):    at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:793)
 08-15 10:07:09.818: E/AndroidRuntime(1221):    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:560)
 08-15 10:07:09.818: E/AndroidRuntime(1221):    at dalvik.system.NativeStart.main(Native Method)
08-15 10:07:09.818: E/AndroidRuntime(1221): Caused by: java.lang.NullPointerException
08-15 10:07:09.818: E/AndroidRuntime(1221):     at com.assistek.ediary.SubjectMenuEvent.setupTabHost(SubjectMenuEvent.java:255)
08-15 10:07:09.818: E/AndroidRuntime(1221):     at com.assistek.ediary.SubjectMenuEvent.onCreate(SubjectMenuEvent.java:96)
08-15 10:07:09.818: E/AndroidRuntime(1221):     at android.app.Activity.performCreate(Activity.java:5104)
08-15 10:07:09.818: E/AndroidRuntime(1221):     at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1080)
08-15 10:07:09.818: E/AndroidRuntime(1221):     at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2144)
08-15 10:07:09.818: E/AndroidRuntime(1221):     ... 11 more

相关问题： Reinstalling app does not bring over all the changes of released app android

Answer 1

看起来应用程序没有使用最新版本进行更新（之前下载的旧apk未被删除）。所以这不是问题。不过，我确实学到了很多东西。

发布应用程序崩溃，在设备上调试工作正常 - 安卓

1 个答案: