質問編集履歴
1
文法の修正、タグの追加、コードの修正
title
CHANGED
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File without changes
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body
CHANGED
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@@ -3,7 +3,7 @@
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3
3
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### 試していること
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4
4
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ListViewの更新
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5
5
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### 不明点
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6
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-
logcatでどこのアクティビティの何行目でヌルポが吐かれている
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6
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+
logcatで青文字でどこのアクティビティの何行目でヌルポが吐かれているか書かれておらず、わからないです。
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7
7
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### 知りたいこと
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8
8
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ヌルポがどこで吐かれているのか・できれば、何が原因でどうすればいいかを知りたいです。
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9
9
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### MainActivity
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@@ -92,4 +92,53 @@
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92
92
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### Error
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93
93
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```Java
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94
94
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java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.String java.lang.Object.toString()' on a null object reference
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95
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+
at android.widget.ArrayAdapter.createViewFromResource(ArrayAdapter.java:409)
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96
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+
at android.widget.ArrayAdapter.getView(ArrayAdapter.java:371)
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97
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+
at android.widget.AbsListView.obtainView(AbsListView.java:2362)
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98
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+
at android.widget.ListView.makeAndAddView(ListView.java:1970)
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99
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+
at android.widget.ListView.fillDown(ListView.java:704)
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100
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+
at android.widget.ListView.fillFromTop(ListView.java:765)
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101
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+
at android.widget.ListView.layoutChildren(ListView.java:1744)
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102
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+
at android.widget.AbsListView.onLayout(AbsListView.java:2161)
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103
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+
at android.view.View.layout(View.java:17523)
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104
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+
at android.view.ViewGroup.layout(ViewGroup.java:5612)
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105
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+
at android.support.constraint.ConstraintLayout.onLayout(ConstraintLayout.java:1915)
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106
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+
at android.view.View.layout(View.java:17523)
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107
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+
at android.view.ViewGroup.layout(ViewGroup.java:5612)
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108
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+
at android.widget.FrameLayout.layoutChildren(FrameLayout.java:323)
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109
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+
at android.widget.FrameLayout.onLayout(FrameLayout.java:261)
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110
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+
at android.view.View.layout(View.java:17523)
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111
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+
at android.view.ViewGroup.layout(ViewGroup.java:5612)
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112
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+
at android.support.v7.widget.ActionBarOverlayLayout.onLayout(ActionBarOverlayLayout.java:444)
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113
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+
at android.view.View.layout(View.java:17523)
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114
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+
at android.view.ViewGroup.layout(ViewGroup.java:5612)
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115
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+
at android.widget.FrameLayout.layoutChildren(FrameLayout.java:323)
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116
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+
at android.widget.FrameLayout.onLayout(FrameLayout.java:261)
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117
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+
at android.view.View.layout(View.java:17523)
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118
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+
at android.view.ViewGroup.layout(ViewGroup.java:5612)
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119
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+
at android.widget.LinearLayout.setChildFrame(LinearLayout.java:1741)
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120
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+
at android.widget.LinearLayout.layoutVertical(LinearLayout.java:1585)
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121
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+
at android.widget.LinearLayout.onLayout(LinearLayout.java:1494)
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122
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+
at android.view.View.layout(View.java:17523)
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123
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+
at android.view.ViewGroup.layout(ViewGroup.java:5612)
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124
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+
at android.widget.FrameLayout.layoutChildren(FrameLayout.java:323)
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125
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+
at android.widget.FrameLayout.onLayout(FrameLayout.java:261)
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126
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+
at com.android.internal.policy.DecorView.onLayout(DecorView.java:724)
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127
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+
at android.view.View.layout(View.java:17523)
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128
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+
at android.view.ViewGroup.layout(ViewGroup.java:5612)
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129
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+
at android.view.ViewRootImpl.performLayout(ViewRootImpl.java:2342)
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130
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+
at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:2069)
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131
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+
at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1246)
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132
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+
at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:6301)
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133
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+
at android.view.Choreographer$CallbackRecord.run(Choreographer.java:871)
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134
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+
at android.view.Choreographer.doCallbacks(Choreographer.java:683)
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135
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+
at android.view.Choreographer.doFrame(Choreographer.java:619)
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136
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+
at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:857)
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137
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+
at android.os.Handler.handleCallback(Handler.java:751)
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138
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+
at android.os.Handler.dispatchMessage(Handler.java:95)
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139
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+
at android.os.Looper.loop(Looper.java:154)
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140
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+
at android.app.ActivityThread.main(ActivityThread.java:6077)
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141
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+
at java.lang.reflect.Method.invoke(Native Method)
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142
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+
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:866)
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143
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+
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:756)
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95
144
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```
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