java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.love5/com.example.love5.Main11Activity}: java.lang.NullPointerException: Attempt to invoke virtual method 'void android.

其他 2019-03-17 14:08:03 阅读次数: 0

若有 java.lang.RuntimeException和 java.lang.NullPointerException: Attempt to invoke virtual method 'void android.一起的异常报错，

很大几率是因为控件实列写错了，好好检查R.id.xx有没有写错，

多次的粗心大意犯的同样的错误，以此记录。

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转载自www.cnblogs.com/c2g5201314/p/10546694.html

java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.love5/com.example.love5.Main11Activity}: java.lang.NullPointerException: Attempt to invoke virtual method 'void android.

java.lang.NullPointerException: Attempt to invoke virtual method 'void android.widget.TextView.setTe

Caused by: java.lang.NullPointerException: Attempt to invoke virtual method 'void android.widget错误解

报错：java.lang.NullPointerException: Attempt to invoke virtual method 'void android.widget.ImageView

java.lang.NullPointerException: Attempt to invoke virtual method ‘void android.widget.RadioGroup.set

java.lang.NullPointerException: Attempt to invoke virtual method ‘void android.view.View.setDrawingC

java.lang.NullPointerException: Attempt to invoke virtual method ‘void android.view.View.setScaleX(f

java.lang.NullPointerException: Attempt to invoke virtual method ‘void android.view.View...的解决方法

遇到java.lang.NullPointerException: Attempt to invoke virtual method 'void android.view.View...的解决方法

java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.paipaixiu/com.example.paipaixiu.MASetSomeThing}: android.view.InflateException: Binary XML file line #19: Attempt to invo

java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.String android.content.C

调试很久的java.lang.NullPointerException: Attempt to invoke virtual method ...

Android秒退并出现“java.lang.NullPointerException: Attempt to invoke virtual method 'void androidx.appcompat.app.ActionBar.setTitle(java.lang.CharSequence)”时解决办法

Android错误：java.lang.RuntimeException: Unable to start activity ComponentInfo

java.lang.NullPointerException: Attempt to invoke virtual method 'android.view.View android.view.Vie

java.lang.NullPointerException: Attempt to invoke virtual method 'int android.view.View.getImportant

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

android studio 运行活动闪退Caused by: java.lang.NullPointerException: Attempt to invoke virtual method 'vo

Java.lang.RuntimeException: Unable to start activity

Android无法打开活动单元java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.app0

Caused by: java.lang.NullPointerException: Attempt to invoke virtual method 'boolean java.lang.

java.lang.NullPointerException: Attempt to invoke virtual method 'int java.lang.Integer.intValue()'

java.lang.NullPointerException: Attempt to invoke virtual method ‘boolean java.lang.String.equals(j

Error：Attempt to invoke virtual method ‘void android.widget.TextView.setText(java.lang.CharSeq

记录错误：java.lang.RuntimeException: Unable to start activity ComponentInfo

java.lang.RuntimeException: Unable to start activity ComponentInfo

Attempt to invoke virtual method 'void com.loopj.android.image.SmartImageView.setImageUrl(java.lang.String, java.lang.Integer, java.lang.Integer)' on a null object reference

Android开发中java.lang.RuntimeException: Unable to start activity ComponentInfo{xx

android中使用fragment时出现如下错误 java.lang.RuntimeException: Unable to start activity ComponentInfo{com.fra

Attempt to invoke virtual method 'void java.lang.reflect.Field.setAccessible(boolean)' on a null obj

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