CarouselTestActivity.java revision a3cb716626b477c98ba912698c765eab20f27286 
1/*
2 * Copyright (C) 2010 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package com.android.carouseltest;
18
19import com.android.carouseltest.MyCarouselView;
20import com.android.carouseltest.TaskSwitcherActivity.ActivityDescription;
21import com.android.ex.carousel.CarouselView;
22import com.android.ex.carousel.CarouselViewHelper;
23import com.android.ex.carousel.CarouselViewHelper.DetailTextureParameters;
24
25import android.app.Activity;
26import android.content.ActivityNotFoundException;
27import android.content.Context;
28import android.content.Intent;
29import android.content.res.Resources;
30import android.graphics.Bitmap;
31import android.graphics.BitmapFactory;
32import android.graphics.Canvas;
33import android.graphics.Paint;
34import android.graphics.Rect;
35import android.os.Bundle;
36import android.util.Log;
37
38public class CarouselTestActivity extends Activity {
39    private static final String TAG = "CarouselTestActivity";
40    private static final int CARD_SLOTS = 56;
41    private static final int TOTAL_CARDS = 1000;
42    private static final int TEXTURE_HEIGHT = 512;
43    private static final int TEXTURE_WIDTH = 512;
44    private static final int SLOTS_VISIBLE = 7;
45
46    protected static final boolean DBG = false;
47    private static final int DETAIL_TEXTURE_WIDTH = 200;
48    private static final int DETAIL_TEXTURE_HEIGHT = 80;
49    private CarouselView mView;
50    private Paint mPaint = new Paint();
51    private CarouselViewHelper mHelper;
52    private Bitmap mGlossyOverlay;
53    private Bitmap mBorder;
54
55    class LocalCarouselViewHelper extends CarouselViewHelper {
56        private static final int PIXEL_BORDER = 3;
57        private DetailTextureParameters mDetailTextureParameters
58                = new DetailTextureParameters(5.0f, 5.0f);
59
60        LocalCarouselViewHelper(Context context) {
61            super(context);
62        }
63
64        @Override
65        public void onCardSelected(int id) {
66            Log.v(TAG, "Yay, card " + id + " was selected!");
67        }
68
69        @Override
70        public DetailTextureParameters getDetailTextureParameters(int id) {
71            return mDetailTextureParameters;
72        }
73
74        @Override
75        public Bitmap getTexture(int n) {
76            Bitmap bitmap = Bitmap.createBitmap(TEXTURE_WIDTH, TEXTURE_HEIGHT,
77                    Bitmap.Config.ARGB_8888);
78            Canvas canvas = new Canvas(bitmap);
79            canvas.drawARGB(0, 0, 0, 0);
80            mPaint.setTextSize(100.0f);
81            mPaint.setAntiAlias(true);
82            mPaint.setColor(0xffffffff);
83            canvas.drawText(""+n, 0, TEXTURE_HEIGHT-10, mPaint);
84            canvas.drawBitmap(mGlossyOverlay, null,
85                    new Rect(PIXEL_BORDER, PIXEL_BORDER,
86                            TEXTURE_WIDTH - PIXEL_BORDER, TEXTURE_HEIGHT - PIXEL_BORDER), mPaint);
87            return bitmap;
88        }
89
90        @Override
91        public Bitmap getDetailTexture(int n) {
92            Bitmap bitmap = Bitmap.createBitmap(DETAIL_TEXTURE_WIDTH, DETAIL_TEXTURE_HEIGHT,
93                    Bitmap.Config.ARGB_8888);
94            Canvas canvas = new Canvas(bitmap);
95            canvas.drawARGB(200, 200, 200, 255);
96            mPaint.setTextSize(15.0f);
97            mPaint.setAntiAlias(true);
98            canvas.drawText("Detail text for card " + n, 0, DETAIL_TEXTURE_HEIGHT/2, mPaint);
99            return bitmap;
100        }
101    };
102
103    @Override
104    protected void onCreate(Bundle savedInstanceState) {
105        super.onCreate(savedInstanceState);
106
107        mView = new MyCarouselView(this);
108        mPaint.setColor(0xffffffff);
109        final Resources res = getResources();
110
111        mHelper = new LocalCarouselViewHelper(this);
112        mHelper.setCarouselView(mView);
113        mView.setSlotCount(CARD_SLOTS);
114        mView.createCards(TOTAL_CARDS);
115        mView.setVisibleSlots(SLOTS_VISIBLE);
116        mView.setStartAngle((float) -(2.0f*Math.PI * 5 / CARD_SLOTS));
117        mBorder = BitmapFactory.decodeResource(res, R.drawable.border);
118        mView.setDefaultBitmap(mBorder);
119        mView.setLoadingBitmap(mBorder);
120        mView.setBackgroundColor(0.25f, 0.25f, 0.5f, 1.0f);
121
122        mGlossyOverlay = BitmapFactory.decodeResource(res, R.drawable.glossy_overlay);
123        setContentView(mView);
124    }
125
126    @Override
127    protected void onResume() {
128        super.onResume();
129        mHelper.onResume();
130    }
131
132    @Override
133    protected void onPause() {
134        super.onPause();
135        mHelper.onPause();
136    }
137
138}
139