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AssetManager: update to use v2 of libandroidfw C api

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This commit is contained in:
Mis012
2025-02-21 00:54:55 +01:00
parent ca39c81224
commit d97c3ee048
3 changed files with 179 additions and 143 deletions
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54
src/api-impl/android/content/res/AssetManager.java
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@@ -21,6 +21,7 @@ import android.os.Environment;
import android.os.ParcelFileDescriptor;
import android.util.AttributeSet;
import android.util.Log;
import android.util.Slog;
import android.util.TypedValue;
import java.io.FileDescriptor;
@@ -91,6 +92,9 @@ public final class AssetManager {
private boolean mOpen = true;
private HashMap<Integer, RuntimeException> mRefStacks;
private ArrayList<String> asset_paths = new ArrayList<String>();
/**
* Create a new AssetManager containing only the basic system assets.
* Applications will not generally use this method, instead retrieving the
@@ -99,7 +103,6 @@ public final class AssetManager {
* {@hide}
*/
public AssetManager() {
// FIXME: evaluate if this can be axed
synchronized (this) {
if (DEBUG_REFS) {
mNumRefs = 0;
@@ -124,13 +127,15 @@ public final class AssetManager {
for (String path : paths) {
if (path != null) {
path = path.substring(path.indexOf("file:") + 5, path.indexOf("!/AndroidManifest.xml"));
addAssetPath(path);
asset_paths.add(path);
}
}
} catch (IOException e) {
Log.e(TAG, "failed to load resources.arsc" + e);
}
addAssetPath(android.os.Environment.getExternalStorageDirectory().getAbsolutePath());
asset_paths.add(android.os.Environment.getExternalStorageDirectory().getAbsolutePath() + "/");
/*String*/Object[] asset_paths_arr = asset_paths.toArray();
native_setApkAssets(asset_paths_arr, asset_paths_arr.length);
}
}
@@ -598,33 +603,15 @@ public final class AssetManager {
* the cookie of the added asset, or 0 on failure.
* {@hide}
*/
public final int addAssetPath(String path) {
int res = addAssetPathNative(path);
return res;
/* this is not particularly efficient, avoid if possible */
public final void addAssetPath(String path) {
asset_paths.add(path);
/*String*/Object[] asset_paths_arr = asset_paths.toArray();
native_setApkAssets(asset_paths_arr, asset_paths_arr.length);
}
private native final int addAssetPathNative(String path);
/**
* Add multiple sets of assets to the asset manager at once. See
* {@link #addAssetPath(String)} for more information. Returns array of
* cookies for each added asset with 0 indicating failure, or null if
* the input array of paths is null.
* {@hide}
*/
public final int[] addAssetPaths(String[] paths) {
if (paths == null) {
return null;
}
int[] cookies = new int[paths.length];
for (int i = 0; i < paths.length; i++) {
cookies[i] = addAssetPath(paths[i]);
}
return cookies;
}
public static void extractFromAPK(String path, String target) throws IOException {
if (path.endsWith("/")) { // directory
try (JarFile apk = new JarFile(Context.this_application.getPackageCodePath())) {
@@ -685,16 +672,7 @@ public final class AssetManager {
*/
/*package*/ native final int getResourceIdentifier(String name, String type, String defPackage);
public /*native*/ final String getResourceName(int resid) {
String name = getResourcePackageName(resid);
String type = getResourceTypeName(resid);
if (type != null)
name += ':' + type;
String entry = getResourceEntryName(resid);
if (entry != null)
name += '/' + entry;
return name;
}
public native final String getResourceName(int resid);
/*package*/ native final String getResourcePackageName(int resid);
/*package*/ native final String getResourceTypeName(int resid);
/*package*/ native final String getResourceEntryName(int resid);
@@ -872,7 +850,7 @@ public final class AssetManager {
private native final void init();
private /*native*/ final void destroy() {
System.out.println("AssetManager.destroy(): STUB");
Slog.w(TAG, "AssetManager.destroy(): STUB");
}
private final void incRefsLocked(int id) {
@@ -898,4 +876,6 @@ public final class AssetManager {
destroy();
}
}
private native final void native_setApkAssets(/*String*/Object[] paths, int num_assets);
}