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Small optimization in EclairChecker

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This commit is contained in:
Henrik Tunedal 2011-03-06 20:50:40 +01:00
parent 1d025c1e7d
commit 06253a94cf
1 changed files with 18 additions and 5 deletions
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23
src/org/fdroid/fdroid/DB.java
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@ -20,6 +20,7 @@
package org.fdroid.fdroid;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
@ -28,6 +29,7 @@ import java.util.Vector;
import android.content.ContentValues;
import android.content.Context;
import android.content.SharedPreferences;
import android.content.pm.FeatureInfo;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.database.Cursor;
@ -191,9 +193,13 @@ public class DB {
// Call isCompatible(apk) on an instance of this class to
// check if an APK is compatible with the user's device.
public static abstract class CompatibilityChecker {
// Because Build.VERSION.SDK_INT requires API level 5
protected final static int SDK_INT
= Integer.parseInt(Build.VERSION.SDK);
public abstract boolean isCompatible(Apk apk);
public static CompatibilityChecker getChecker(Context ctx) {
CompatibilityChecker checker;
if (SDK_INT >= 5)
@ -204,25 +210,32 @@ public class DB {
+ SDK_INT + ": " + checker.getClass().getName());
return checker;
}
public abstract boolean isCompatible(Apk apk);
}
private static class BasicChecker extends CompatibilityChecker {
public boolean isCompatible(Apk apk) {
return (apk.minSdkVersion <= SDK_INT);
}
}
private static class EclairChecker extends CompatibilityChecker {
private PackageManager pm;
private HashSet features;
public EclairChecker(Context ctx) {
pm = ctx.getPackageManager();
PackageManager pm = ctx.getPackageManager();
features = new HashSet();
for (FeatureInfo fi : pm.getSystemAvailableFeatures()) {
features.add(fi.name);
}
}
public boolean isCompatible(Apk apk) {
if (apk.minSdkVersion > SDK_INT)
return false;
if (apk.features != null) {
for (String feat : apk.features) {
if (!pm.hasSystemFeature(feat))
return false;
if (!features.contains(feat)) return false;
}
}
return true;