Set State View Background to StateListDrawable - Android User Interface

Android examples for User Interface:View Background

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Description

Set State View Background to StateListDrawable

Demo Code


//package com.java2s;

import android.content.Context;
import android.graphics.drawable.Drawable;
import android.graphics.drawable.StateListDrawable;
import android.view.View;

public class Main {
    public static void SetStateViewBkg(View view, Context context,
            int nNormalImgId, int nDownImgId, int nFocusImgId,
            int nDisableImgId) {
        StateListDrawable selector = newSelector(context, nNormalImgId,
                nDownImgId, nFocusImgId, nDisableImgId);
        view.setBackgroundDrawable(selector);
    }/* w w w  .  j  a va  2 s .  c  o  m*/

    public static void SetStateViewBkg(View view, Context context,
            int nNormalImgId, int nDownImgId, int nDisableImgId) {
        StateListDrawable selector = newSelector(context, nNormalImgId,
                nDownImgId, nNormalImgId, nDisableImgId);
        view.setBackgroundDrawable(selector);
    }

    public static void SetStateViewBkg(View view, Context context,
            int nNormalImgId, int nDownImgId) {
        StateListDrawable selector = newSelector(context, nNormalImgId,
                nDownImgId, nNormalImgId, nNormalImgId);
        view.setBackgroundDrawable(selector);
    }

    public static StateListDrawable newSelector(Context context,
            int nNormaImgId, int nDownImgId, int nFocusImgId,
            int nDisableImgId) {
        StateListDrawable selector = new StateListDrawable();
        Drawable normalDrawable = (nNormaImgId <= 0) ? null : context
                .getResources().getDrawable(nNormaImgId);
        Drawable downDrawable = (nDownImgId <= 0) ? null : context
                .getResources().getDrawable(nDownImgId);
        Drawable focusDrawable = (nFocusImgId <= 0) ? null : context
                .getResources().getDrawable(nFocusImgId);
        Drawable disableDrawable = (nDisableImgId <= 0) ? null : context
                .getResources().getDrawable(nDisableImgId);

        // View.PRESSED_ENABLED_STATE_SET
        selector.addState(new int[] { android.R.attr.state_pressed,
                android.R.attr.state_enabled }, downDrawable);

        // View.ENABLED_FOCUSED_STATE_SET
        selector.addState(new int[] { android.R.attr.state_enabled,
                android.R.attr.state_focused }, focusDrawable);

        // View.ENABLED_STATE_SET
        selector.addState(new int[] { android.R.attr.state_enabled },
                normalDrawable);

        // View.FOCUSED_STATE_SET
        selector.addState(new int[] { android.R.attr.state_focused },
                focusDrawable);

        // View.WINDOW_FOCUSED_STATE_SET
        selector.addState(
                new int[] { android.R.attr.state_window_focused },
                disableDrawable);

        // View.EMPTY_STATE_SET
        selector.addState(new int[] {}, normalDrawable);
        return selector;
    }
}

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