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 17 package com.android.carouseltest; 18 19 import com.android.ex.carousel.CarouselView; 20 import com.android.ex.carousel.CarouselViewHelper; 21 22 import android.app.Activity; 23 import android.app.AlertDialog; 24 import android.content.Context; 25 import android.content.res.Resources; 26 import android.graphics.Bitmap; 27 import android.graphics.BitmapFactory; 28 import android.graphics.Canvas; 29 import android.graphics.Paint; 30 import android.graphics.PixelFormat; 31 import android.graphics.Rect; 32 import android.os.Bundle; 33 import android.util.Log; 34 35 public class CarouselTestActivity extends Activity { 36 private static final String TAG = "CarouselTestActivity"; 37 private static final int CARD_SLOTS = 56; 38 private static final int TOTAL_CARDS = 100; 39 private static final int TEXTURE_HEIGHT = 256; 40 private static final int TEXTURE_WIDTH = 256; 41 private static final int SLOTS_VISIBLE = 7; 42 43 protected static final boolean DBG = false; 44 private static final int DETAIL_TEXTURE_WIDTH = 200; 45 private static final int DETAIL_TEXTURE_HEIGHT = 80; 46 private static final int VISIBLE_DETAIL_COUNT = 3; 47 private static boolean INCREMENTAL_ADD = false; // To debug incrementally adding cards 48 private CarouselView mView; 49 private Paint mPaint = new Paint(); 50 private CarouselViewHelper mHelper; 51 private Bitmap mGlossyOverlay; 52 private Bitmap mBorder; 53 54 class LocalCarouselViewHelper extends CarouselViewHelper { 55 private static final int PIXEL_BORDER = 3; 56 private DetailTextureParameters mDetailTextureParameters 57 = new DetailTextureParameters(5.0f, 5.0f, 3.0f, 10.0f); 58 59 LocalCarouselViewHelper(Context context) { 60 super(context); 61 } 62 63 @Override 64 public void onCardSelected(final int id) { 65 postMessage("Selection", "Card " + id + " was selected"); 66 } 67 68 @Override 69 public void onDetailSelected(final int id, int x, int y) { 70 postMessage("Selection", "Detail for card " + id + " was selected"); 71 } 72 73 @Override 74 public void onCardLongPress(int n, int touchPosition[], Rect detailCoordinates) { 75 postMessage("Selection", "Long press on card " + n); 76 } 77 78 @Override 79 public DetailTextureParameters getDetailTextureParameters(int id) { 80 return mDetailTextureParameters; 81 } 82 83 @Override 84 public Bitmap getTexture(int n) { 85 Bitmap bitmap = Bitmap.createBitmap(TEXTURE_WIDTH, TEXTURE_HEIGHT, 86 Bitmap.Config.ARGB_8888); 87 Canvas canvas = new Canvas(bitmap); 88 canvas.drawARGB(0, 0, 0, 0); 89 mPaint.setColor(0x40808080); 90 canvas.drawRect(2, 2, TEXTURE_WIDTH-2, TEXTURE_HEIGHT-2, mPaint); 91 mPaint.setTextSize(100.0f); 92 mPaint.setAntiAlias(true); 93 mPaint.setColor(0xffffffff); 94 canvas.drawText("" + n, 2, TEXTURE_HEIGHT-10, mPaint); 95 canvas.drawBitmap(mGlossyOverlay, null, 96 new Rect(PIXEL_BORDER, PIXEL_BORDER, 97 TEXTURE_WIDTH - PIXEL_BORDER, TEXTURE_HEIGHT - PIXEL_BORDER), mPaint); 98 return bitmap; 99 } 100 101 @Override 102 public Bitmap getDetailTexture(int n) { 103 Bitmap bitmap = Bitmap.createBitmap(DETAIL_TEXTURE_WIDTH, DETAIL_TEXTURE_HEIGHT, 104 Bitmap.Config.ARGB_8888); 105 Canvas canvas = new Canvas(bitmap); 106 canvas.drawARGB(32, 10, 10, 10); 107 mPaint.setTextSize(15.0f); 108 mPaint.setAntiAlias(true); 109 canvas.drawText("Detail text for card " + n, 0, DETAIL_TEXTURE_HEIGHT/2, mPaint); 110 return bitmap; 111 } 112 }; 113 114 @Override 115 public CharSequence onCreateDescription() { 116 return getText(R.string.carousel_test_activity_description); 117 } 118 119 private Runnable mAddCardRunnable = new Runnable() { 120 public void run() { 121 if (mView.getCardCount() < TOTAL_CARDS) { 122 mView.createCards(mView.getCardCount() + 1); 123 mView.postDelayed(mAddCardRunnable, 2000); 124 } 125 } 126 }; 127 128 void postMessage(final CharSequence title, final CharSequence msg) { 129 runOnUiThread(new Runnable() { 130 public void run() { 131 new AlertDialog.Builder(CarouselTestActivity.this) 132 .setTitle(title) 133 .setMessage(msg) 134 .setPositiveButton("OK", null) 135 .create() 136 .show(); 137 } 138 }); 139 } 140 141 @Override 142 protected void onCreate(Bundle savedInstanceState) { 143 super.onCreate(savedInstanceState); 144 145 setContentView(R.layout.carousel_test); 146 mView = (CarouselView) findViewById(R.id.carousel); 147 mView.getHolder().setFormat(PixelFormat.RGBA_8888); 148 mPaint.setColor(0xffffffff); 149 final Resources res = getResources(); 150 151 mHelper = new LocalCarouselViewHelper(this); 152 mHelper.setCarouselView(mView); 153 mView.setSlotCount(CARD_SLOTS); 154 mView.createCards(INCREMENTAL_ADD ? 1: TOTAL_CARDS); 155 mView.setVisibleSlots(SLOTS_VISIBLE); 156 mView.setStartAngle((float) -(2.0f*Math.PI * 5 / CARD_SLOTS)); 157 mBorder = BitmapFactory.decodeResource(res, R.drawable.border); 158 mView.setDefaultBitmap(mBorder); 159 mView.setLoadingBitmap(mBorder); 160 mView.setBackgroundColor(0.25f, 0.25f, 0.5f, 0.5f); 161 mView.setRezInCardCount(3.0f); 162 mView.setFadeInDuration(250); 163 mView.setVisibleDetails(VISIBLE_DETAIL_COUNT); 164 mView.setDragModel(CarouselView.DRAG_MODEL_PLANE); 165 if (INCREMENTAL_ADD) { 166 mView.postDelayed(mAddCardRunnable, 2000); 167 } 168 169 mGlossyOverlay = BitmapFactory.decodeResource(res, R.drawable.glossy_overlay); 170 } 171 172 @Override 173 protected void onResume() { 174 super.onResume(); 175 mHelper.onResume(); 176 } 177 178 @Override 179 protected void onPause() { 180 super.onPause(); 181 mHelper.onPause(); 182 } 183 184 } 185