android LinearLayout等view如何擷取button效果

我們可以給LinearLayout以及一切繼承自View的控制項，設定View.onClickListener監聽，例如LInearLayout。

但是我們發現LinearLayout可以執行監聽方法體，但是沒有點擊效果。

所謂的點擊效果就是當我們用滑鼠點擊控制項時，可以高亮或者動一下，給使用者一個操作反饋。

如何給LinearLayout實現上述效果那，最簡單的就是給LinearLayout配置上以下屬性

 

style="?android:attr/actionButtonStyle" style="?android:attr/actionButtonStyle"

那麼我們的按鈕就具有了Button的樣式效果。點擊等操作和Button一樣。

另外：我們也可以配置一個檔案，在檔案內配置上點擊時圖片效果，按下時圖片效果等，例如：

 

?<selector xmlns:android="http://schemas.android.com/apk/res/android"                                                                      |~                                        android:exitFadeDuration="@android:integer/config_mediumAnimTime">                                                              |~                                                                                                                                                                        |~                                  <!-- Even though these two point to the same resource, have two states so the drawable will invalidate itself when coming out of      |~                              pressed state. -->                                                                                                                        |~                                  <item android:state_focused="true"  android:state_enabled="false" android:state_pressed="true" android:drawable="@drawable/           |~                              list_selector_disabled_holo_dark" />                                                                                                      |~                                  <item android:state_focused="true"  android:state_enabled="false"                              android:drawable="@drawable/           |~                              list_selector_disabled_holo_dark" />                                                                                                      |~                                  <item android:state_focused="true"                                android:state_pressed="true" android:drawable="@drawable/           |~                              list_selector_background_transition_holo_dark" />                                                                                         |~                                  <item android:state_focused="false"                               android:state_pressed="true" android:drawable="@drawable/           |~                              list_selector_background_transition_holo_dark" />                                                                                         |~                                  <item android:state_focused="true"                                                             android:drawable="@drawable/           |~                              list_focused_holo" />                                                                                                                     |~                                  <item                                                                                          android:drawable="@color/transparent" /|~                              >                                                                                                                                         |~                              </selector> <selector xmlns:android="http://schemas.android.com/apk/res/android"                                                                      |~                                      android:exitFadeDuration="@android:integer/config_mediumAnimTime">                                                              |~                                                                                                                                                                      |~                                <!-- Even though these two point to the same resource, have two states so the drawable will invalidate itself when coming out of      |~                            pressed state. -->                                                                                                                        |~                                <item android:state_focused="true"  android:state_enabled="false" android:state_pressed="true" android:drawable="@drawable/           |~                            list_selector_disabled_holo_dark" />                                                                                                      |~                                <item android:state_focused="true"  android:state_enabled="false"                              android:drawable="@drawable/           |~                            list_selector_disabled_holo_dark" />                                                                                                      |~                                <item android:state_focused="true"                                android:state_pressed="true" android:drawable="@drawable/           |~                            list_selector_background_transition_holo_dark" />                                                                                         |~                                <item android:state_focused="false"                               android:state_pressed="true" android:drawable="@drawable/           |~                            list_selector_background_transition_holo_dark" />                                                                                         |~                                <item android:state_focused="true"                                                             android:drawable="@drawable/           |~                            list_focused_holo" />                                                                                                                     |~                                <item                                                                                          android:drawable="@color/transparent" /|~                            >                                                                                                                                         |~                            </selector>