#layout_weight

android:layout_weight的真实含义

首先声明只有在Linearlayout中,该属性才有效。之所以android:layout_weight会引起争议,是因为在设置该属性的同时,设置android:layout_width为wrap_content和match_parent会造成两种截然相反的效果。如下所示: <LinearLayouta...

Android:Layout_weight的深刻理解

最近写Demo,突然发现了Layout_weight这个属性,发现网上有很多关于这个属性的有意思的讨论,可是找了好多资料都没有找到一个能够说的清楚的,于是自己结合网上资料研究了一下,终于迎刃而解,写出来和大家分享。首先看一下Layout_weight属性的作用:它是用来分配属于空间的一个属性,你可以设置他的权重。很多人...

Android Layout_weight 属性

Android对Layout_weight属性完全解析以及使用ListView来实现表格http://blog.csdn.net/xiaanming/article/details/13630837 Layout_weight属性:如果我们想要按照权重比例来分配LinearLayout,我们需要将其宽度设置为...
代码星球 ·2020-05-29

Android知识点剖析系列:深入了解layout_weight属性

Android中layout_weight这个属性对于经常捣鼓UI的我们来说,肯定不会陌生。但是我们在真正使用这个属性时,经常会出现一些莫名奇妙的布局效果;如果仅仅知其然而不知其所以然,一些意外的布局效果一定让我们颇为头疼。在本文中,将对layout_weight这个属性详细剖析。正文从代码讲起:<LinearL...

ORA-18175: FTDY0016 weights invalid

文档解释ORA-18175:FTDY0016weightsinvalidCause:Itisadynamicerrorifanimplementationthatdoesnotsupportnegativeweightsencountersaweightexpressionthatdoesnotmeettherestr...

ORA-40122: invalid data type for row weights column string.

文档解释ORA-40122:invaliddatatypeforrowweightscolumnstring.Cause:Rowweightscolumnwasnotassignedoneofthealloweddatatypes.Action:ChoosearowweightcolumnoftypeNUMBERorF...

ORA-40117: repeated target values found in weights table

文档解释ORA-40117:repeatedtargetvaluesfoundinweightstableCause:Theweightstablehadrepeatedtargetvalues.Action:Removetherepeatedtargetvaluesfromtheweightstable.ORA-40...

ORA-40114: weights table target values mismatched with build data

文档解释ORA-40114:weightstabletargetvaluesmismatchedwithbuilddataCause:Theentriesintheweightstabledidnotcorrespondtothetargetvaluesinthebuilddata.Action:Verifytheen...

ORA-46075: Already attached to a lightweight user session

文档解释ORA-46075:AlreadyattachedtoalightweightusersessionCause:Thecurrentdatabasesessionisalreadyattachedtoalightweightusersession.Action:Detachfromthecurrentlight...

ORA-40255: specified priors or weights table has an incorrect schema

文档解释ORA-40255:specifiedpriorsorweightstablehasanincorrectschemaCause:Thepriorsorclassweightstablewhosenameisspecifiedininthesettingsdoesnothavetheprescribedsche...

ORA-40026: reference class name not found in the weights table

文档解释ORA-40026:referenceclassnamenotfoundintheweightstableCause:Theprovidedreferenceclassnamedidnotcorrespondtoanyoftheentriesintheweightstable.Action:Providecon...

ORA-27363: invalid program for lightweight job

文档解释ORA-27363:invalidprogramforlightweightjobCause:Youtriedtocreatealightweightjobusinganinvalidprogram.Aprogramusedinalightweightjobhastobeenabled,hastobeinthe...

ORA-27354: attribute string cannot be set for lightweight jobs

文档解释ORA-27354:attributestringcannotbesetforlightweightjobsCause:TheCREATE_JOBScallortheJOBobjectconstructorwascalledwithanargumentthatisillegalinthecaseoflightw...

ORA-40120: invalid weight value in the weights table

文档解释ORA-40120:invalidweightvalueintheweightstableCause:Negativeorzeroweightvalueswerefoundintheweightstable.Action:Ensurethatweightvaluesintheweightstablearepos...

ORA-40115: weights table schema is incorrect

文档解释ORA-40115:weightstableschemaisincorrectCause:Theweightstabledidnothavetherequiredschema.Action:Provideaweightstablewithschema:(target_value,weight),wherethe...
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