Java tutorial
//package com.java2s; import android.content.Context; import android.graphics.drawable.Drawable; import android.graphics.drawable.StateListDrawable; public class Main { 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; } }