質問編集履歴
2
すみません。この投稿用に作ったこのソースでのコーディングミスで、本物は正しくコーディングしていました。確認不足で申し訳ございません。
test
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File without changes
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test
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@@ -122,7 +122,7 @@
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122
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android:layout_width="match_parent"
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android:layout_height="match_parent"
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android:background="#20FF0000"
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-
tools:context=".
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+
tools:context=".NextActivity">
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<TextView
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android:id="@+id/txtNext"
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1
反応ありがとうございます。再現するソースを貼りました。よろしくお願いいたします。
test
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File without changes
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test
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@@ -16,9 +16,156 @@
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ActivityThread: handleWindowVisibility: no activity for token android.os.BinderProxy@XXXXX
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### 該当のソースコード
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19
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+
```AndroidManifest.xml
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<?xml version="1.0" encoding="utf-8"?>
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<manifest xmlns:android="http://schemas.android.com/apk/res/android"
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xmlns:tools="http://schemas.android.com/tools"
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package="com.example.sample">
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<application
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android:allowBackup="true"
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android:dataExtractionRules="@xml/data_extraction_rules"
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android:fullBackupContent="@xml/backup_rules"
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android:icon="@mipmap/ic_launcher"
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android:label="@string/app_name"
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android:roundIcon="@mipmap/ic_launcher_round"
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android:supportsRtl="true"
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android:theme="@style/Theme.Sample"
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tools:targetApi="31">
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<activity
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android:name=".MainActivity"
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android:exported="true">
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<intent-filter>
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-
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<action android:name="android.intent.action.MAIN" />
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21
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<category android:name="android.intent.category.LAUNCHER" />
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</intent-filter>
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</activity>
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<activity
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android:name=".NextActivity"
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android:exported="false">
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</activity>
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</application>
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</manifest>
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```
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```activity_main.xml
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<?xml version="1.0" encoding="utf-8"?>
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<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
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xmlns:tools="http://schemas.android.com/tools"
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xmlns:app="http://schemas.android.com/apk/res-auto"
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android:layout_width="match_parent"
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android:layout_height="match_parent"
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tools:context=".MainActivity">
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60
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<TextView
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android:id="@+id/txtHello"
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android:layout_width="wrap_content"
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64
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android:layout_height="wrap_content"
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android:text="Hello World!"
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66
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app:layout_constraintBottom_toBottomOf="parent"
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app:layout_constraintStart_toStartOf="parent"
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68
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app:layout_constraintEnd_toEndOf="parent"
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app:layout_constraintTop_toTopOf="parent" />
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70
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71
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<Button
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android:id="@+id/btnNext"
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android:layout_width="wrap_content"
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android:layout_height="wrap_content"
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75
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android:text="NEXT"
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app:layout_constraintBottom_toBottomOf="parent"
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app:layout_constraintStart_toEndOf="@id/txtHello"
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app:layout_constraintEnd_toEndOf="parent"
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app:layout_constraintTop_toBottomOf="@id/txtHello" />
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80
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81
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<Button
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82
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android:id="@+id/btnExit"
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android:layout_width="wrap_content"
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84
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android:layout_height="wrap_content"
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85
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android:text="EXIT"
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86
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app:layout_constraintBottom_toBottomOf="parent"
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87
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app:layout_constraintStart_toStartOf="parent"
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88
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app:layout_constraintEnd_toStartOf="@id/txtHello"
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app:layout_constraintTop_toBottomOf="@id/txtHello" />
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90
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+
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91
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</androidx.constraintlayout.widget.ConstraintLayout>
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92
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```
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93
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```MainActivity.java
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94
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package com.example.sample;
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95
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96
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import androidx.appcompat.app.AppCompatActivity;
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97
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98
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import android.content.Intent;
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import android.os.Bundle;
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import android.widget.Button;
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101
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102
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public class MainActivity extends AppCompatActivity{
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104
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@Override
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protected void onCreate( Bundle savedInstanceState ){
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super.onCreate( savedInstanceState );
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107
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setContentView( R.layout.activity_main );
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108
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+
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109
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// (ﾎﾞﾀﾝ)NEXT
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110
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findViewById(R.id.btnNext).setOnClickListener( view -> startActivity( new Intent( this, NextActivity.class ) ) );
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111
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+
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112
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// (ﾎﾞﾀﾝ)EXIT
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113
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findViewById(R.id.btnExit).setOnClickListener( view -> finishAndRemoveTask() );
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114
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}
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115
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}
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116
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```
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117
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```activity_next.xml
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118
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<?xml version="1.0" encoding="utf-8"?>
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119
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<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
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120
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xmlns:tools="http://schemas.android.com/tools"
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121
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xmlns:app="http://schemas.android.com/apk/res-auto"
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122
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android:layout_width="match_parent"
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123
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android:layout_height="match_parent"
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124
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android:background="#20FF0000"
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125
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+
tools:context=".MainActivity">
|
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126
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+
|
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127
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+
<TextView
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128
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android:id="@+id/txtNext"
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|
129
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+
android:layout_width="wrap_content"
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130
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+
android:layout_height="wrap_content"
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131
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android:text="Next Acivity."
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132
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app:layout_constraintBottom_toBottomOf="parent"
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133
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app:layout_constraintStart_toStartOf="parent"
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134
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+
app:layout_constraintEnd_toEndOf="parent"
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135
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+
app:layout_constraintTop_toTopOf="parent" />
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136
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+
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137
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+
<Button
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138
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+
android:id="@+id/btnBack"
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139
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android:layout_width="wrap_content"
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140
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android:layout_height="wrap_content"
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141
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android:text="BACK"
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142
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+
app:layout_constraintBottom_toBottomOf="parent"
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143
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+
app:layout_constraintStart_toStartOf="parent"
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144
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+
app:layout_constraintEnd_toStartOf="@id/txtNext"
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145
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+
app:layout_constraintTop_toBottomOf="@id/txtNext" />
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146
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+
|
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147
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+
</androidx.constraintlayout.widget.ConstraintLayout>
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148
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+
```
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|
149
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+
```NextActivity.java
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|
150
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+
package com.example.sample;
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151
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+
|
|
152
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+
import android.content.Intent;
|
|
153
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+
import android.os.Bundle;
|
|
154
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+
|
|
155
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+
import androidx.appcompat.app.AppCompatActivity;
|
|
156
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+
|
|
157
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+
public class NextActivity extends AppCompatActivity{
|
|
158
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+
|
|
159
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+
@Override
|
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160
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+
protected void onCreate( Bundle savedInstanceState ){
|
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161
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+
super.onCreate( savedInstanceState );
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162
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+
setContentView( R.layout.activity_next );
|
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163
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+
|
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164
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+
// (ﾎﾞﾀﾝ)BACK
|
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165
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+
findViewById(R.id.btnBack).setOnClickListener( view -> finish() );
|
|
166
|
+
}
|
|
167
|
+
}
|
|
168
|
+
```
|
|
22
169
|
### 試したこと
|
|
23
170
|
|
|
24
171
|
this を getApplicationContext() に変えてみたぐらいです。。
|