android - 如何使用 IconCompat.createWithAdaptiveBitmap

Question

我想将自适应图标应用于以下代码生成的快捷方式(代码仅供引用，不编译):

ShortcutInfoCompat shortcut = new ShortcutInfoCompat.Builder(context, "com.myapp.mainactivity")
                    .setShortLabel(context.getResources().getString("short label"))
                    .setLongLabel(context.getResources().getString("long label"))
                    .setIcon(IconCompat.createWithAdaptiveBitmap(bitmap)
                    .setIntent(targetActivityIntent)
                    .build();

public Bitmap getLauncherIcon(final Context context) {
    if (Build.VERSION.SDK_INT < Build.VERSION_CODES.O) {
        return null;
    } else {
        Drawable backgroundDrawable = context.getDrawable(R.mipmap.ic_launcher_background);
        Drawable vectorDrawable = context.getDrawable(R.drawable.ic_launcher_main_foreground);
        AdaptiveIconDrawable adaptiveIconDrawable = new AdaptiveIconDrawable(backgroundDrawable, vectorDrawable);
        Bitmap bitmap = drawableToBitmap(adaptiveIconDrawable);
        return bitmap;
    }
}

private static Bitmap drawableToBitmap(Drawable drawable) {
    Bitmap bitmap = Bitmap.createBitmap(drawable.getIntrinsicWidth(), drawable.getIntrinsicHeight(), Bitmap.Config.ARGB_8888);
    Canvas canvas = new Canvas(bitmap);
    drawable.setBounds(0, 0, canvas.getWidth(), canvas.getHeight());
    drawable.draw(canvas);
    return bitmap;
}

这是我的图标 (ic_main_white.xml)

<?xml version="1.0" encoding="utf-8"?>
<vector xmlns:android="http://schemas.android.com/apk/res/android"
        android:width="45dp"
        android:height="45dp"
        android:viewportHeight="1024"
        android:viewportWidth="1024">
    <path
        android:fillColor="#FFFFFF"
        android:pathData="M511.5 74C269.87847 74 74 269.87847 74 511.5 74 753.13368 269.87847 949 511.5 949 753.12153 949 949 753.13368 949 511.5 949 269.87847 753.12153 74 511.5 74l0 0 0 0 0 0zm30.10243 764.20312l0 -140.08506 -57.72569 0 0 140.27951C325.65972 825.12674 199.05208 699.1875 184.78472 541.25l142.21181 0 0 -57.72569 -142.34549 0C198.12847 324.77257 325.07639 197.95833 483.87674 184.63889l0 142.00521 57.72569 0 0 -141.81077c157.64583 14.40104 283.32986 140.76563 296.74653 298.69098l-139.87847 0 0 57.72569 139.74479 0C824.02083 698.34896 698.66493 823.85069 541.60243 838.20312l0 0z"/>
</vector>

我使用 Android Asset Generator 创建了一个 Image Asset，我在其中生成了所有需要的文件。这与您为应用的启动器图标创建自适应图标时要经历的过程相同。

但结果只显示了图标的一部分，看起来生成的图标对于预期的来说太大了，或者我在某处遗漏了一些东西。

还有this说明以下内容的文档:

For dynamic shortcuts, call the createWithAdaptiveBitmap() method when you create them.

图标由 Android Studio 本身生成，这也适用于我的启动器图标，但为什么使用 createWithAdaptiveBitmap 无法正常工作？我是否遗漏了一些 Java 代码，或者您是否知道使用带有快捷方式的自适应图标的示例，但我在 GitHub 或其他地方找不到任何可用的东西。

Answer 1

这是我使用的:

    fun convertAppIconDrawableToBitmap(context: Context, drawable: Drawable): Bitmap {
        if (drawable is BitmapDrawable)
            return drawable.bitmap
        val appIconSize = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O && drawable is AdaptiveIconDrawable)
            TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, 108f, context.resources.displayMetrics).toInt()
        else getAppIconSize(context)
        return drawable.toBitmap(appIconSize, appIconSize, Bitmap.Config.ARGB_8888)
    }

    fun getAppIconSize(context: Context): Int {
        val activityManager = ContextCompat.getSystemService(this, ActivityManager::class.java)!!
        val appIconSize = try {
            activityManager.launcherLargeIconSize
        } catch (e: Exception) {
            TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, 48f, context.resources.displayMetrics).toInt()
        }
        return appIconSize
    }