invoke method Android-阿里云

java.lang.NullPointerException: Attempt to invoke virtual method ‘int android.database.sqlite异常

具体报的错误：java.lang.NullPointerException: Attempt to invoke virtual method 'int android.database.sqlite.SQLiteDatabase.delete(java.lang.String, java.lang...

【错误记录】布局组件加载错误 ( Attempt to invoke virtual method ‘xxx$Callback android.view.Window.getCallback()‘ )

文章目录一、报错信息二、解决方案一、报错信息使用环境 :Kotlin 编写的 Activity使用了 kotlin-android-extensions 扩展插件 , 在 build.gradle 中配置的 apply plugin: 'kotlin-android-extensions' ;在 A...

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java.lang.NullPointerException: Attempt to invoke virtual method 'int android.content.Intent.getI...

这个报错比较骚，完全只是因为Intent没有写好而已，下面是错误的写法（最好不要在方法外赋值）：进入本活动时即刻报错： 11-10 18:23:24.231 17152-17152/? E/AndroidRuntime: FATAL EXCEPTION: main ...

Attempt to invoke interface method 'void com.alibaba.sdk.android.push.CommonCallback.onSuccess(java.lang.String)' on a null object reference

云推送，sdk安装完第一次登录，sdk注册时报错：Attempt to invoke interface method 'void com.alibaba.sdk.android.push.CommonCallback.onSuccess(java.lang.String)' on a null o...

java.lang.NullPointerException: Attempt to invoke interface method 'void com.alibaba.sdk.android.push.CommonCallback.onSuccess(java.lang.String)' on a null object reference

安装后第一次登录后报：java.lang.NullPointerException: Attempt to invoke interface method 'void com.alibaba.sdk.android.push.CommonCallback.onSuccess(java.lang.St...

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