pan
4 years ago
parent
dc58940561
commit
df1349c089
@ -1,112 +1,75 @@ |
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package com.gyf.csams |
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|
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import android.app.Application |
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import android.content.res.Resources |
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import android.graphics.Bitmap |
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import android.graphics.BitmapFactory |
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import android.util.LruCache |
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import androidx.compose.ui.graphics.ImageBitmap |
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import androidx.compose.ui.graphics.asImageBitmap |
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import coil.ImageLoader |
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import coil.ImageLoaderFactory |
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import coil.imageLoader |
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import coil.memory.MemoryCache |
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import coil.request.ImageRequest |
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import coil.util.CoilUtils |
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import com.gyf.csams.uikit.BackgroundImage |
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import com.gyf.csams.util.ImageUtil |
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import com.orhanobut.logger.AndroidLogAdapter |
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import com.orhanobut.logger.DiskLogAdapter |
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import com.orhanobut.logger.Logger |
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import okhttp3.OkHttpClient |
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|
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class APP : Application() { |
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class APP : Application(), ImageLoaderFactory { |
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private val backgroundImage = mutableMapOf<BackgroundImage, MemoryCache.Key?>() |
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private lateinit var memoryCache: LruCache<BackgroundImage, Bitmap> |
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// Get max available VM memory, exceeding this amount will throw an |
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// OutOfMemory exception. Stored in kilobytes as LruCache takes an |
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// int in its constructor. |
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private val maxMemory = (Runtime.getRuntime().maxMemory() / 1024).toInt() |
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|
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// Use 1/8th of the available memory for this memory cache. |
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val cacheSize = maxMemory / 8 |
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fun getImage(image: BackgroundImage, reqWidth: Int, reqHeight: Int): ImageBitmap { |
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val bitmap = memoryCache.get(image) |
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return if (bitmap == null) { |
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Logger.i("reqWidth=$reqWidth,reqHeight=$reqHeight") |
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val cacheValue = decodeSampledBitmapFromResource( |
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res = resources, |
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image.id, |
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reqWidth = reqWidth, |
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reqHeight = reqHeight |
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) |
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memoryCache.put(image, cacheValue) |
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Logger.i("添加缓存：${image}") |
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cacheValue.asImageBitmap() |
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suspend fun getImage(image: BackgroundImage): ImageBitmap? { |
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val key = backgroundImage[image] |
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if (key != null) { |
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return applicationContext.imageLoader.memoryCache[key]?.asImageBitmap() |
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?: ImageUtil.getImage(applicationContext, image.id) |
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} else { |
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Logger.i("从缓存读取：${image}") |
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bitmap.asImageBitmap() |
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throw IllegalArgumentException("无法从${key}获取背景图！") |
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} |
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} |
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|
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private fun decodeSampledBitmapFromResource( |
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res: Resources, |
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resId: Int, |
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reqWidth: Int, |
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reqHeight: Int |
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): Bitmap { |
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// First decode with inJustDecodeBounds=true to check dimensions |
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return BitmapFactory.Options().run { |
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inJustDecodeBounds = true |
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BitmapFactory.decodeResource(res, resId, this) |
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|
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// Calculate inSampleSize |
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inSampleSize = calculateInSampleSize(this, reqWidth, reqHeight) |
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// Decode bitmap with inSampleSize set |
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inJustDecodeBounds = false |
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BitmapFactory.decodeResource(res, resId, this) |
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override fun newImageLoader(): ImageLoader { |
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return ImageLoader.Builder(applicationContext) |
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.crossfade(true) |
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.okHttpClient { |
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OkHttpClient.Builder() |
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.cache(CoilUtils.createDefaultCache(applicationContext)) |
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.build() |
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} |
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.build() |
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} |
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private fun calculateInSampleSize( |
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options: BitmapFactory.Options, |
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reqWidth: Int, |
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reqHeight: Int |
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): Int { |
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// Raw height and width of image |
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val (height: Int, width: Int) = options.run { outHeight to outWidth } |
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var inSampleSize = 1 |
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if (height > reqHeight || width > reqWidth) { |
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val halfHeight: Int = height / 2 |
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val halfWidth: Int = width / 2 |
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// Calculate the largest inSampleSize value that is a power of 2 and keeps both |
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// height and width larger than the requested height and width. |
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while (halfHeight / inSampleSize >= reqHeight && halfWidth / inSampleSize >= reqWidth) { |
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inSampleSize *= 2 |
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/** |
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* 预加载背景图 |
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* |
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*/ |
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private fun preloadImage() { |
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BackgroundImage.values().forEach { |
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Logger.i("预加载背景图:${it.name}") |
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val request = ImageRequest.Builder(applicationContext) |
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.data(it.id) |
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// Optional, but setting a ViewSizeResolver will conserve memory by limiting the size the image should be preloaded into memory at. |
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.size(800, 600) |
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.listener { _, metadata -> |
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Logger.i("metadata.memoryCacheKey=${metadata.memoryCacheKey}") |
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backgroundImage[it] = metadata.memoryCacheKey |
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} |
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.build() |
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applicationContext.imageLoader.enqueue(request = request) |
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} |
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return inSampleSize |
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} |
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override fun onCreate() { |
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super.onCreate() |
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memoryCache = object : LruCache<BackgroundImage, Bitmap>(cacheSize) { |
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override fun sizeOf(key: BackgroundImage, bitmap: Bitmap): Int { |
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// The cache size will be measured in kilobytes rather than |
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// number of items. |
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return bitmap.byteCount / 1024 |
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} |
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} |
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//初始化日志 |
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Logger.addLogAdapter(AndroidLogAdapter()) |
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Logger.addLogAdapter(DiskLogAdapter()) |
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Logger.i("${BuildConfig.foreground_app_name}启动") |
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preloadImage() |
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} |
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} |
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@ -0,0 +1,46 @@ |
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package com.gyf.csams.util |
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import android.content.Context |
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import androidx.compose.ui.graphics.ImageBitmap |
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import androidx.compose.ui.graphics.asImageBitmap |
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import androidx.core.graphics.drawable.toBitmap |
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import coil.imageLoader |
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import coil.request.ErrorResult |
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import coil.request.ImageRequest |
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import coil.request.SuccessResult |
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import com.orhanobut.logger.Logger |
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class ImageUtil { |
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companion object { |
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/** |
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* |
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* |
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* @param data Set the data to load. |
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* The default supported data types are: |
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* String (mapped to a Uri) |
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* Uri ("android.resource", "content", "file", "http", and "https" schemes only) |
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* HttpUrl |
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* File |
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* DrawableRes |
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* Drawable |
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* Bitmap |
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*/ |
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suspend fun getImage(context: Context, data: Any?): ImageBitmap? { |
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val request = ImageRequest.Builder(context) |
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.data(data = data) |
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.build() |
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return when (val result = context.imageLoader.execute(request)) { |
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is SuccessResult -> result.drawable.toBitmap().asImageBitmap() |
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is ErrorResult -> { |
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val drawable = result.drawable |
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return if (drawable == null) { |
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Logger.e("${data}图片加载失败") |
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null |
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} else { |
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drawable.toBitmap().asImageBitmap() |
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} |
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} |
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} |
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} |
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} |
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} |
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@ -1,6 +1,5 @@ |
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#Sat Apr 17 15:25:36 CST 2021 |
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distributionBase=GRADLE_USER_HOME |
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distributionUrl=https\://services.gradle.org/distributions/gradle-7.0-bin.zip |
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distributionPath=wrapper/dists |
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zipStorePath=wrapper/dists |
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distributionUrl=https\://services.gradle.org/distributions/gradle-7.0.2-bin.zip |
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zipStoreBase=GRADLE_USER_HOME |
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zipStorePath=wrapper/dists |
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@ -0,0 +1 @@ |
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/build |
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@ -0,0 +1,106 @@ |
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plugins { |
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id("com.android.library") |
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id("kotlin-android") |
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id("org.jetbrains.kotlin.plugin.serialization") version "1.4.32" |
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} |
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android { |
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compileSdk = 30 |
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defaultConfig { |
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minSdk = 21 |
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targetSdk = 30 |
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testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner" |
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consumerProguardFiles("consumer-rules.pro") |
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} |
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buildTypes { |
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release { |
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isMinifyEnabled = false |
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proguardFiles( |
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getDefaultProguardFile("proguard-android-optimize.txt"), |
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"proguard-rules.pro" |
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) |
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} |
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} |
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compileOptions { |
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sourceCompatibility = JavaVersion.VERSION_1_8 |
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targetCompatibility = JavaVersion.VERSION_1_8 |
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} |
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kotlinOptions { |
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jvmTarget = "1.8" |
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} |
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} |
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dependencies { |
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/** |
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* 针对最新的平台功能和 API 调整应用，同时还支持旧设备。 |
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* https://developer.android.com/jetpack/androidx/releases/core |
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*/ |
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api("androidx.core:core-ktx:1.3.2") |
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/** |
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* 允许在平台旧版 API 上访问新 API（很多使用 Material Design）。 |
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* https://developer.android.com/jetpack/androidx/releases/appcompat |
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*/ |
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api("androidx.appcompat:appcompat:1.2.0") |
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/** |
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* 与设备互动所需的 Compose UI 的基本组件，包括布局、绘图和输入。 |
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* https://developer.android.com/jetpack/androidx/releases/compose-ui |
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*/ |
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api("androidx.compose.ui:ui:${rootProject.extra["compose_version"]}") |
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api("androidx.compose.ui:ui-tooling:${rootProject.extra["compose_version"]}") |
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/** |
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* Compose 的编程模型和状态管理的基本构建块，以及 Compose 编译器插件针对的核心运行时。 |
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* https://developer.android.com/jetpack/androidx/releases/compose-runtime |
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*/ |
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api("androidx.compose.runtime:runtime-livedata:${rootProject.extra["compose_version"]}") |
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//Material Components |
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api("com.google.android.material:material:1.3.0") |
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/** |
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* 使用现成可用的 Material Design 组件构建 Jetpack Compose UI。这是更高层级的 Compose 入口点，旨在提供与 www.material.io 上描述的组件一致的组件。 |
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* https://developer.android.com/jetpack/androidx/releases/compose-material |
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*/ |
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api("androidx.compose.material:material:${rootProject.extra["compose_version"]}") |
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/** |
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* 生命周期感知型组件 |
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* https://developer.android.com/jetpack/androidx/releases/lifecycle |
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*/ |
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api("androidx.lifecycle:lifecycle-runtime-ktx:${rootProject.extra["lifecycle_version"]}") |
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api("androidx.lifecycle:lifecycle-viewmodel-compose:1.0.0-alpha04") |
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/** |
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* 访问基于 Activity 构建的可组合 API。 |
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* https://developer.android.com/jetpack/androidx/releases/activity |
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*/ |
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api("androidx.activity:activity-compose:1.3.0-alpha07") |
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/** |
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* Simple, pretty and powerful logger for android |
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* https://github.com/orhanobut/logger |
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*/ |
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api("com.orhanobut:logger:2.2.0") |
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/** |
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* |
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* https://github.com/square/okhttp |
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*/ |
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api("com.squareup.okhttp3:okhttp:4.9.1") |
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/** |
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* https://github.com/google/gson |
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*/ |
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api("com.google.code.gson:gson:2.8.6") |
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/** |
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* https://kotlinlang.org/docs/serialization.html |
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*/ |
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api("org.jetbrains.kotlinx:kotlinx-serialization-json:1.1.0") |
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/** |
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* https://developer.android.com/jetpack/androidx/releases/navigation |
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*/ |
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api("androidx.navigation:navigation-compose:1.0.0-alpha10") |
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/** |
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* https://developer.android.com/jetpack/androidx/releases/room |
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*/ |
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api("androidx.room:room-runtime:${rootProject.extra["room_version"]}") |
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// optional - Kotlin Extensions and Coroutines support for Room |
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api("androidx.room:room-ktx:${rootProject.extra["room_version"]}") |
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// https://github.com/coil-kt/coil/blob/master/README-zh.md |
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api("io.coil-kt:coil:1.2.1") |
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} |
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@ -0,0 +1,21 @@ |
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# Add project specific ProGuard rules here. |
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# You can control the set of applied configuration files using the |
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# proguardFiles setting in build.gradle. |
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# |
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# For more details, see |
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# http://developer.android.com/guide/developing/tools/proguard.html |
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# If your project uses WebView with JS, uncomment the following |
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# and specify the fully qualified class name to the JavaScript interface |
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# class: |
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#-keepclassmembers class fqcn.of.javascript.interface.for.webview { |
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# public *; |
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#} |
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# Uncomment this to preserve the line number information for |
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# debugging stack traces. |
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#-keepattributes SourceFile,LineNumberTable |
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# If you keep the line number information, uncomment this to |
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# hide the original source file name. |
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#-renamesourcefileattribute SourceFile |
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@ -0,0 +1,22 @@ |
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package com.gyf.lib |
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import androidx.test.ext.junit.runners.AndroidJUnit4 |
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import androidx.test.platform.app.InstrumentationRegistry |
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import org.junit.Assert.* |
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import org.junit.Test |
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import org.junit.runner.RunWith |
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/** |
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* Instrumented test, which will execute on an Android device. |
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* |
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* See [testing documentation](http://d.android.com/tools/testing). |
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*/ |
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@RunWith(AndroidJUnit4::class) |
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class ExampleInstrumentedTest { |
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@Test |
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fun useAppContext() { |
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// Context of the app under test. |
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val appContext = InstrumentationRegistry.getInstrumentation().targetContext |
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assertEquals("com.gyf.lib.test", appContext.packageName) |
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} |
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} |
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@ -0,0 +1,4 @@ |
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<?xml version="1.0" encoding="utf-8"?> |
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<manifest package="com.gyf.lib"> |
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</manifest> |
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@ -0,0 +1,16 @@ |
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package com.gyf.lib |
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import org.junit.Assert.* |
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import org.junit.Test |
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/** |
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* Example local unit test, which will execute on the development machine (host). |
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* |
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* See [testing documentation](http://d.android.com/tools/testing). |
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*/ |
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class ExampleUnitTest { |
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@Test |
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fun addition_isCorrect() { |
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assertEquals(4, 2 + 2) |
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} |
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} |
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