小编And*_*shi的帖子

插播广告有一个问题.当我尝试处理onAdClosed()方法时,我收到错误无法暂停活动

我在这里使用片段

我在这里发布我的logcat输出

03-18 19:28:50.169: E/AndroidRuntime(26349): FATAL EXCEPTION: main
03-18 19:28:50.169: E/AndroidRuntime(26349): java.lang.RuntimeException: Unable to pause  
activity {com.social_sweep.app/com.google.android.gms.ads.AdActivity}:
java.lang.IllegalStateException: Can not perform this action after onSaveInstanceState

03-18 19:28:50.169: E/AndroidRuntime(26349):at
android.app.ActivityThread.performPauseActivity(ActivityThread.java:2846)

03-18 19:28:50.169: E/AndroidRuntime(26349): at
android.app.ActivityThread.performPauseActivity(ActivityThread.java:2802)
03-18 19:28:50.169: E/AndroidRuntime(26349): at
android.app.ActivityThread.handlePauseActivity(ActivityThread.java:2780)
03-18 19:28:50.169: E/AndroidRuntime(26349):at
android.app.ActivityThread.access$800(ActivityThread.java:133)
 03-18 19:28:50.169: E/AndroidRuntime(26349):at
android.app.ActivityThread$H.handleMessage(ActivityThread.java:1220)
03-18 19:28:50.169: E/AndroidRuntime(26349):at
android.os.Handler.dispatchMessage(Handler.java:99)
03-18 19:28:50.169: E/AndroidRuntime(26349):    at
android.os.Looper.loop(Looper.java:137)
03-18 19:28:50.169: E/AndroidRuntime(26349):    at
android.app.ActivityThread.main(ActivityThread.java:4794)
03-18 19:28:50.169: E/AndroidRuntime(26349):    at
java.lang.reflect.Method.invokeNative(Native Method)
03-18 19:28:50.169: E/AndroidRuntime(26349):    at
java.lang.reflect.Method.invoke(Method.java:511)
03-18 19:28:50.169: E/AndroidRuntime(26349):    at
com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:789) …

嗨，我有一个与数据库有关的问题

在我的项目中，我需要在特定的文件夹中建立数据库，所以任何伙伴都可以告诉我哪里错了

此类在以下位置创建数据库 /data/data/package_folder/database_name

我想将其更改为 sdcard/database_folder/database_name

请检查我下面的代码

    package com.example.qrcode.data;
    public class LocalDatabase extends SQLiteOpenHelper {

    public static final int DATABASE_VERSION = 1;

    // database name
    public static final String DATABASE_NAME = "qrcode_database";

    // table name
    public static final String TABLE_NAME = "scan_result";

    // table field name
    public static final String COLUMN_ID = "id";
    public static final String COLUMN_NAME = "scan_url";

    public static final String SAVE_TABLE_NAME = "DEVICE";

    public static final String SAVE_COLUMN_ID = "ID";
    public static final String SAVE_COLUMN_NAME = …