statelist | 易学教程

android - how to have a clickable AND checkable textview

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问题 I want to have the following: a textview that .)changes its background when clicked .)maintains that background until it is clicked again it all comes down to the "checkable" state, but i couldnt figure out how this exactly works. here is the xml i am using for background: <?xml version="1.0" encoding="utf-8"?> <selector xmlns:android="http://schemas.android.com/apk/res/android">  <item android:drawable="@drawable/menuselected" android:state_pressed="true" />

How to update the selector(StateListDrawable) images using picasso

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问题 I want to load a two images from their own url using picasso and use them as a statelist like: <item android:drawable="@drawable/sidebar_news_selected" android:state_selected="true"/> <item android:drawable="@drawable/sidebar_news_selected" android:state_activated="true"/> <item android:drawable="@drawable/sidebar_news_normal"/> how can i do that? Update : Thanks to Maddy , i tried his answer and now i stock in that like this: final StateListDrawable drawable = new StateListDrawable(); final

StateListDrawable and tiled bitmap

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问题 This is my custom selector (StateListDrawable) <selector xmlns:android="http://schemas.android.com/apk/res/android"> <item android:drawable="@drawable/common_cell_background" /> <item android:state_pressed="true" android:drawable="@drawable/common_cell_background_highlight" /> <item android:state_focused="true" android:drawable="@drawable/common_cell_background_highlight" /> <item android:state_selected="true" android:drawable="@drawable/common_cell_background_highlight" /> </selector> Both,

Android: How to create a StateListDrawable programmatically

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I have a GridView to display some objects, and visually each of the objects will have an image icon and a text label. I also want the image icon to have some "push and pop" effect when clicked, that is, when pressed, the image will move a small distance to the bottom right direction, and when released get back to its original position. The objects (and their image icons) are from some dynamic sources. My intuition is to create a StateListDrawable for each item, which will have two states: pressed or not. For GridView item view, I would use a Button, which can accomodate a Drawable and a label,

Android: How to create a StateListDrawable programmatically

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问题 I have a GridView to display some objects, and visually each of the objects will have an image icon and a text label. I also want the image icon to have some "push and pop" effect when clicked, that is, when pressed, the image will move a small distance to the bottom right direction, and when released get back to its original position. The objects (and their image icons) are from some dynamic sources. My intuition is to create a StateListDrawable for each item, which will have two states: