Android动态生成Selector选择器代码
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package com.com.uuke.utils;
import android.content.Context;
import android.graphics.drawable.Drawable;
import android.graphics.drawable.StateListDrawable;
/**
* Created by Administrator on 2016/6/7.
*/
public class SelectorUtils {
/**
* 代码生成选择器
* @param context 当前上下文
* @param idNormal 默认图片id
* @param idPressed 触摸时图片id
* @param idFocused 获得焦点时图片id
* @param idUnable 没有选中时图片id
* @return
*/
public static StateListDrawable newSelector(Context context, int idNormal, int idPressed, int idFocused,int idUnable) {
StateListDrawable bg = new StateListDrawable();
Drawable normal = idNormal == -1 ? null : context.getResources().getDrawable(idNormal);
Drawable pressed = idPressed == -1 ? null : context.getResources().getDrawable(idPressed);
Drawable focused = idFocused == -1 ? null : context.getResources().getDrawable(idFocused);
Drawable unable = idUnable == -1 ? null : context.getResources().getDrawable(idUnable);
// View.PRESSED_ENABLED_STATE_SET
bg.addState(new int[] { android.R.attr.state_pressed, android.R.attr.state_enabled }, pressed);
// View.ENABLED_FOCUSED_STATE_SET
bg.addState(new int[] { android.R.attr.state_enabled, android.R.attr.state_focused }, focused);
// View.ENABLED_STATE_SET
bg.addState(new int[] { android.R.attr.state_enabled }, normal);
// View.FOCUSED_STATE_SET
bg.addState(new int[] { android.R.attr.state_focused }, focused);
// View.WINDOW_FOCUSED_STATE_SET
bg.addState(new int[] { android.R.attr.state_window_focused }, unable);
// View.EMPTY_STATE_SET
bg.addState(new int[] {}, normal);
return bg;
}
/**
* 控件选择器
*
* @param context 当前上下文
* @param idNormal 默认图片id
* @param idPressed 按压时图片id
* @return
*/
public static StateListDrawable setSelector(Context context,int idNormal,int idPressed){
StateListDrawable bg=new StateListDrawable();
Drawable normal = idNormal == -1 ? null : context.getResources().getDrawable(idNormal);
Drawable pressed = idPressed == -1 ? null : context.getResources().getDrawable(idPressed);
bg.addState(new int[] { android.R.attr.state_pressed, android.R.attr.state_enabled }, pressed);
bg.addState(new int[] { android.R.attr.state_enabled }, normal);
bg.addState(new int[] {}, normal);
return bg;
}
}
import android.content.Context;
import android.graphics.drawable.Drawable;
import android.graphics.drawable.StateListDrawable;
/**
* Created by Administrator on 2016/6/7.
*/
public class SelectorUtils {
/**
* 代码生成选择器
* @param context 当前上下文
* @param idNormal 默认图片id
* @param idPressed 触摸时图片id
* @param idFocused 获得焦点时图片id
* @param idUnable 没有选中时图片id
* @return
*/
public static StateListDrawable newSelector(Context context, int idNormal, int idPressed, int idFocused,int idUnable) {
StateListDrawable bg = new StateListDrawable();
Drawable normal = idNormal == -1 ? null : context.getResources().getDrawable(idNormal);
Drawable pressed = idPressed == -1 ? null : context.getResources().getDrawable(idPressed);
Drawable focused = idFocused == -1 ? null : context.getResources().getDrawable(idFocused);
Drawable unable = idUnable == -1 ? null : context.getResources().getDrawable(idUnable);
// View.PRESSED_ENABLED_STATE_SET
bg.addState(new int[] { android.R.attr.state_pressed, android.R.attr.state_enabled }, pressed);
// View.ENABLED_FOCUSED_STATE_SET
bg.addState(new int[] { android.R.attr.state_enabled, android.R.attr.state_focused }, focused);
// View.ENABLED_STATE_SET
bg.addState(new int[] { android.R.attr.state_enabled }, normal);
// View.FOCUSED_STATE_SET
bg.addState(new int[] { android.R.attr.state_focused }, focused);
// View.WINDOW_FOCUSED_STATE_SET
bg.addState(new int[] { android.R.attr.state_window_focused }, unable);
// View.EMPTY_STATE_SET
bg.addState(new int[] {}, normal);
return bg;
}
/**
* 控件选择器
*
* @param context 当前上下文
* @param idNormal 默认图片id
* @param idPressed 按压时图片id
* @return
*/
public static StateListDrawable setSelector(Context context,int idNormal,int idPressed){
StateListDrawable bg=new StateListDrawable();
Drawable normal = idNormal == -1 ? null : context.getResources().getDrawable(idNormal);
Drawable pressed = idPressed == -1 ? null : context.getResources().getDrawable(idPressed);
bg.addState(new int[] { android.R.attr.state_pressed, android.R.attr.state_enabled }, pressed);
bg.addState(new int[] { android.R.attr.state_enabled }, normal);
bg.addState(new int[] {}, normal);
return bg;
}
}
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