Warning: file_get_contents(/data/phpspider/zhask/data//catemap/9/java/374.json): failed to open stream: No such file or directory in /data/phpspider/zhask/libs/function.php on line 167

Warning: Invalid argument supplied for foreach() in /data/phpspider/zhask/libs/tag.function.php on line 1116

Notice: Undefined index: in /data/phpspider/zhask/libs/function.php on line 180

Warning: array_chunk() expects parameter 1 to be array, null given in /data/phpspider/zhask/libs/function.php on line 181

Warning: file_get_contents(/data/phpspider/zhask/data//catemap/3/android/202.json): failed to open stream: No such file or directory in /data/phpspider/zhask/libs/function.php on line 167

Warning: Invalid argument supplied for foreach() in /data/phpspider/zhask/libs/tag.function.php on line 1116

Notice: Undefined index: in /data/phpspider/zhask/libs/function.php on line 180

Warning: array_chunk() expects parameter 1 to be array, null given in /data/phpspider/zhask/libs/function.php on line 181

Warning: file_get_contents(/data/phpspider/zhask/data//catemap/6/google-chrome/4.json): failed to open stream: No such file or directory in /data/phpspider/zhask/libs/function.php on line 167

Warning: Invalid argument supplied for foreach() in /data/phpspider/zhask/libs/tag.function.php on line 1116

Notice: Undefined index: in /data/phpspider/zhask/libs/function.php on line 180

Warning: array_chunk() expects parameter 1 to be array, null given in /data/phpspider/zhask/libs/function.php on line 181
Java 在Android Studio中,当在键盘上按两次enter键时,如何不切换开关_Java_Android_Android Studio_Kotlin_Android Switch - Fatal编程技术网

Java 在Android Studio中,当在键盘上按两次enter键时,如何不切换开关

Java 在Android Studio中,当在键盘上按两次enter键时,如何不切换开关,java,android,android-studio,kotlin,android-switch,Java,Android,Android Studio,Kotlin,Android Switch,在editText“textbox”上按两次enter键时,第一次按将像往常一样提交按钮,但第二次按将切换开关。如何确保开关不被切换 <com.google.android.material.textfield.TextInputEditText android:id="@+id/textbox" android:layout_width="match_parent" android:la

在editText“textbox”上按两次enter键时,第一次按将像往常一样提交按钮,但第二次按将切换开关。如何确保开关不被切换

 <com.google.android.material.textfield.TextInputEditText
          android:id="@+id/textbox"
          android:layout_width="match_parent"
          android:layout_height="wrap_content"
          android:inputType="textCapCharacters" />

      <Switch
        android:id="@+id/switch"
        android:layout_width="match_parent"
        android:layout_height="30dp"
        android:checked="false"
        android:gravity="left" />

      <Button
        android:id="@+id/button"
        android:layout_width="match_parent"
        android:layout_height="50dp"
        android:layout_marginTop="16dp" />

您可以将其设置为不可单击,或者确保其保持相同的isChecked状态,这两种方法都可以工作

    switch.setOnKeyListener(object : View.OnKeyListener{
      override fun onKey(v: View?, keyCode: Int, event: KeyEvent?): Boolean {
        if (event?.action == KeyEvent.ACTION_DOWN){
          when(keyCode){
            KeyEvent.KEYCODE_ENTER ->{
             // switch.isClickable = false
              if (!switch.isChecked){
                !switch.isChecked
              }else{
                switch.isChecked
              }

              return true
            }
          }
        }

//        switch.isClickable = true
        return false
      }
    })