CarouselTestActivity.java revision 420b44b8b11ec1c309ea130e69a6876325dbfef9 
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.PixelFormat;
35import android.graphics.Rect;
36import android.os.Bundle;
37import android.util.Log;
38import android.view.WindowManager;
39
40public class CarouselTestActivity extends Activity {
41    private static final String TAG = "CarouselTestActivity";
42    private static final int CARD_SLOTS = 56;
43    private static final int TOTAL_CARDS = 1000;
44    private static final int TEXTURE_HEIGHT = 256;
45    private static final int TEXTURE_WIDTH = 256;
46    private static final int SLOTS_VISIBLE = 7;
47
48    protected static final boolean DBG = false;
49    private static final int DETAIL_TEXTURE_WIDTH = 200;
50    private static final int DETAIL_TEXTURE_HEIGHT = 80;
51    private CarouselView mView;
52    private Paint mPaint = new Paint();
53    private CarouselViewHelper mHelper;
54    private Bitmap mGlossyOverlay;
55    private Bitmap mBorder;
56
57    class LocalCarouselViewHelper extends CarouselViewHelper {
58        private static final int PIXEL_BORDER = 3;
59        private DetailTextureParameters mDetailTextureParameters
60                = new DetailTextureParameters(5.0f, 5.0f);
61
62        LocalCarouselViewHelper(Context context) {
63            super(context);
64        }
65
66        @Override
67        public void onCardSelected(int id) {
68            Log.v(TAG, "Yay, card " + id + " was selected!");
69        }
70
71        @Override
72        public DetailTextureParameters getDetailTextureParameters(int id) {
73            return mDetailTextureParameters;
74        }
75
76        @Override
77        public Bitmap getTexture(int n) {
78            Bitmap bitmap = Bitmap.createBitmap(TEXTURE_WIDTH, TEXTURE_HEIGHT,
79                    Bitmap.Config.ARGB_8888);
80            Canvas canvas = new Canvas(bitmap);
81            canvas.drawARGB(0, 0, 0, 0);
82            mPaint.setColor(0x40808080);
83            canvas.drawRect(2, 2, TEXTURE_WIDTH-2, TEXTURE_HEIGHT-2, mPaint);
84            mPaint.setTextSize(100.0f);
85            mPaint.setAntiAlias(true);
86            mPaint.setColor(0xffffffff);
87            canvas.drawText("" + n, 2, TEXTURE_HEIGHT-10, mPaint);
88            canvas.drawBitmap(mGlossyOverlay, null,
89                    new Rect(PIXEL_BORDER, PIXEL_BORDER,
90                            TEXTURE_WIDTH - PIXEL_BORDER, TEXTURE_HEIGHT - PIXEL_BORDER), mPaint);
91            return bitmap;
92        }
93
94        @Override
95        public Bitmap getDetailTexture(int n) {
96            Bitmap bitmap = Bitmap.createBitmap(DETAIL_TEXTURE_WIDTH, DETAIL_TEXTURE_HEIGHT,
97                    Bitmap.Config.ARGB_8888);
98            Canvas canvas = new Canvas(bitmap);
99            canvas.drawARGB(32, 10, 10, 10);
100            mPaint.setTextSize(15.0f);
101            mPaint.setAntiAlias(true);
102            canvas.drawText("Detail text for card " + n, 0, DETAIL_TEXTURE_HEIGHT/2, mPaint);
103            return bitmap;
104        }
105    };
106
107    @Override
108    public CharSequence onCreateDescription() {
109        return getText(R.string.carousel_test_activity_description);
110    }
111
112    @Override
113    protected void onCreate(Bundle savedInstanceState) {
114        super.onCreate(savedInstanceState);
115
116        mView = new MyCarouselView(this);
117        mView.getHolder().setFormat(PixelFormat.TRANSLUCENT);
118        mPaint.setColor(0xffffffff);
119        final Resources res = getResources();
120
121        mHelper = new LocalCarouselViewHelper(this);
122        mHelper.setCarouselView(mView);
123        mView.setSlotCount(CARD_SLOTS);
124        mView.createCards(TOTAL_CARDS);
125        mView.setVisibleSlots(SLOTS_VISIBLE);
126        mView.setStartAngle((float) -(2.0f*Math.PI * 5 / CARD_SLOTS));
127        mBorder = BitmapFactory.decodeResource(res, R.drawable.border);
128        mView.setDefaultBitmap(mBorder);
129        mView.setLoadingBitmap(mBorder);
130        mView.setBackgroundColor(0.25f, 0.25f, 0.5f, 0.5f);
131        mView.setRezInCardCount(3.0f);
132        mView.setFadeInDuration(250);
133
134        mGlossyOverlay = BitmapFactory.decodeResource(res, R.drawable.glossy_overlay);
135
136        /*
137        mView.setBackgroundColor(0x80ffffff);
138        int flags = WindowManager.LayoutParams.FLAG_SHOW_WALLPAPER;
139        WindowManager.LayoutParams lp = new WindowManager.LayoutParams(
140                mView.getWidth(), mView.getHeight(),
141                WindowManager.LayoutParams.TYPE_APPLICATION,
142                flags, PixelFormat.TRANSLUCENT);
143        getWindow().setAttributes(lp);
144        */
145
146        setContentView(mView);
147    }
148
149    @Override
150    protected void onResume() {
151        super.onResume();
152        mHelper.onResume();
153    }
154
155    @Override
156    protected void onPause() {
157        super.onPause();
158        mHelper.onPause();
159    }
160
161}
162