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scale UIL parallelization based on amount of RAM the device comes with

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This uses the total RAM that the device comes with as a rough measure of
the devices capabilities.  That is then used to set how many parallel
threads UIL can use.
This commit is contained in:
Hans-Christoph Steiner 2018-03-26 11:28:29 +02:00
parent 504286d44b
commit b10fa425b5
1 changed files with 19 additions and 1 deletions
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20
app/src/main/java/org/fdroid/fdroid/FDroidApp.java
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@ -397,7 +397,7 @@ public class FDroidApp extends Application {
ImageLoaderConfiguration config = new ImageLoaderConfiguration.Builder(getApplicationContext())
.imageDownloader(new ImageLoaderForUIL(getApplicationContext()))
.defaultDisplayImageOptions(Utils.getDefaultDisplayImageOptionsBuilder().build())
.threadPoolSize(4)
.threadPoolSize(getThreadPoolSize())
.build();
ImageLoader.getInstance().init(config);
@ -470,6 +470,24 @@ public class FDroidApp extends Application {
return false;
}
/**
* Return the number of threads Universal Image Loader should use, based on
* the total RAM in the device. Devices with lots of RAM can do lots of
* parallel operations for fast icon loading.
*/
@TargetApi(16)
private int getThreadPoolSize() {
if (Build.VERSION.SDK_INT >= 16) {
ActivityManager activityManager = (ActivityManager) getSystemService(Context.ACTIVITY_SERVICE);
ActivityManager.MemoryInfo memInfo = new ActivityManager.MemoryInfo();
if (activityManager != null) {
activityManager.getMemoryInfo(memInfo);
return (int) Math.max(1, Math.min(16, memInfo.totalMem / 256 / 1024 / 1024));
}
}
return 2;
}
@TargetApi(18)
private BluetoothAdapter getBluetoothAdapter() {
// to use the new, recommended way of getting the adapter