a flexible android lottery view
<com.dreamlin.lottery.LotteryView
android:id="@+id/lotteryView"
android:layout_width="300dp"
android:layout_height="300dp"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintRight_toRightOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:lv_arrow_res="@mipmap/icon_arrow"
app:lv_drawer_type="colors" />- with kotlin
val lotteryView = findViewById<LotteryView>(R.id.lotteryView)
val size = 6
val builder = LotteryView.Builder().apply {
names = Array(size) {
"奖品$it"
}
icons = IntArray(6) {
return@IntArray R.mipmap.icon_arrow
}
colors = IntArray(size) {
when (it) {
0, 2, 4 -> Color.GREEN
else -> Color.YELLOW
}
}
nameTextColor = Color.parseColor("#FF7D360B")
showNumber = false
listener = object : LotteryView.LotteryListener {
override fun onStartClicked(startImageView: ImageView) {
lotteryView.startLottery(Random.nextInt(size))
}
override fun onLotteryStart(position: Int) {
}
override fun onLottery(position: Int, animator: ValueAnimator) {
}
override fun onLotteryEnd(position: Int) {
}
}
}
lotteryView.initWith(builder)- with java
final LotteryView lotteryView = rootView.findViewById(R.id.lotteryView);
final int size = 6;
String[] names = new String[size];
String[] numbers = new String[size];
int[] icons = new int[size];
int[] colors = new int[size];
for (int i = 0; i < size; i++) {
names[i] = "奖品" + i;
numbers[i] = "x" + i;
icons[i] = R.mipmap.icon_arrow;
if (i % 2 == 0) {
colors[i] = Color.YELLOW;
} else {
colors[i] = Color.GREEN;
}
}
LotteryView.Builder builder = new LotteryView.Builder();
builder.setNames(names);
builder.setIcons(icons);
builder.setNumbers(numbers);
builder.setColors(colors);
lotteryView.initWith(builder);
final Random random = new Random();
lotteryView.setListener(new LotteryView.LotteryListener() {
@Override
public void onStartClicked(@NotNull ImageView startImageView) {
lotteryView.startLottery(random.nextInt(size));
}
@Override
public void onLotteryStart(int position) {
}
@Override
public void onLottery(int position, @NotNull ValueAnimator animator) {
}
@Override
public void onLotteryEnd(int position) {
}
});Attention:This library is using kotlin to write,so make sure you are configure kotlin in your project.(How to configure kotlin with IDE; you can configure that Tools ==> kotlin ==>configure kotlin in project on Android Studio 4.0+)
dependencies {
implementation 'com.dreamlin.lottery:lottery:1.0.4'
}| Name | Value | Description |
|---|---|---|
| lv_drawer_type | one_image|colors|bg_image | There are three draw types,the type one_image means that only one image contains everyting,the type colors means the item background is a color and you can appoint it for every item,the type bg_image means the view backgroud is a full image. |
| lv_arrow_pos | top|middle | The arrow pos center in view or align to top. |
| lv_arrow_res | R.mipmap.arrow | The drawable res for arrow . |
| lv_bg_res | R.mipmap.lucky_base | The drawable res for bg_image .If lv_drawer_type is one_image or bg_image,you have to appoint it. |
| lv_name_textSize | 15sp | The item name textSize. |
| lv_number_textSize | 13sp | The item number textSize. |
| lv_name_textColor | @color/white | The item name textColor. |
| lv_number_textColor | @color/black | The item number textColor. |
| lv_icon_width | 44dp | The item icon width. |
| lv_icon_height | 54dp | The item icon height. |
| lv_name_factor | 0.16 (@FloatRange(0,1f)) | The name radial factor on radius.(from top to center of circle) |
| lv_number_factor | 0.62 (@FloatRange(0,1f)) | The number radial factor on radius.(from top to center of circle) |
| lv_icon_factor | 0.4 (@FloatRange(0,1f)) | The icon radial factor on radius.(from top to center of circle) |
| lv_show_number | true | Wheather to show numbers. |
| lv_duration | 2500L | The duration for lottery animation. |
| lv_stop_delay | 1000L | The callback delay when lottery was end. |
| lv_init_turn_count | 4 | That means lottery animation will turn the four laps at least. |
- Thanks for your star&issues.
MIT License
Copyright (c) 2021 dreamlin
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