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dont try loading user-supplied library if it doesn't exist

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Helium314 2023-11-04 14:01:56 +01:00
parent 2dc9b12b13
commit fce6805018
1 changed files with 29 additions and 23 deletions
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52
app/src/main/java/org/dslul/openboard/inputmethod/latin/utils/JniUtils.java
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@ -9,44 +9,50 @@ package org.dslul.openboard.inputmethod.latin.utils;
import android.app.Application;
import android.util.Log;
import org.dslul.openboard.inputmethod.latin.BuildConfig;
import org.dslul.openboard.inputmethod.latin.define.JniLibName;
import java.io.File;
public final class JniUtils {
private static final String TAG = JniUtils.class.getSimpleName();
// try loading keyboard libraries
// first try user-provided library
// then try google library for gesture typing (needs library in system, and app as system app)
// finally fall back to internal library
public static boolean sHaveGestureLib = false;
static {
String filesDir;
try {
// first try loading imported library, and fall back to default
String filesDir;
// try using reflection to get (app)context: https://stackoverflow.com/a/38967293
final Application app = (Application) Class.forName("android.app.ActivityThread")
.getMethod("currentApplication").invoke(null, (Object[]) null);
filesDir = app.getFilesDir().getAbsolutePath();
} catch (Exception e) {
// fall back to hardcoded default path, may not work on all phones
filesDir = "/data/data/" + BuildConfig.APPLICATION_ID + "/files";
}
final File userSuppliedLibrary = new File(filesDir + File.separator + JniLibName.JNI_LIB_IMPORT_FILE_NAME);
if (userSuppliedLibrary.exists()) {
try {
// try using reflection to get (app)context: https://stackoverflow.com/a/38967293
final Application app = (Application) Class.forName("android.app.ActivityThread")
.getMethod("currentApplication").invoke(null, (Object[]) null);
filesDir = app.getFilesDir().getAbsolutePath();
} catch (Exception e) {
// fall back to hardcoded default path, may not work on all phones
filesDir = "/data/data/org.dslul.openboard.inputmethod.latin/files";
System.load(filesDir + File.separator + JniLibName.JNI_LIB_IMPORT_FILE_NAME);
sHaveGestureLib = true; // this is an assumption, any way to actually check?
} catch (Throwable t) { // catch everything, maybe provided library simply doesn't work
Log.w(TAG, "Could not load user-supplied library", t);
}
System.load(filesDir + File.separator + JniLibName.JNI_LIB_IMPORT_FILE_NAME);
sHaveGestureLib = true; // this is an assumption, any way to actually check?
} catch (Throwable t) { // catch everything, maybe provided library simply doesn't work
Log.e(TAG, "Could not load native library " + JniLibName.JNI_LIB_IMPORT_FILE_NAME, t);
}
if (!sHaveGestureLib) {
// try loading google library, will fail unless it's in system and this is a system app
try {
System.loadLibrary(JniLibName.JNI_LIB_NAME_GOOGLE);
sHaveGestureLib = true;
} catch (UnsatisfiedLinkError ul) {
Log.e(TAG, "Could not load native library " + JniLibName.JNI_LIB_NAME_GOOGLE, ul);
try {
System.loadLibrary(JniLibName.JNI_LIB_NAME);
} catch (UnsatisfiedLinkError ule) {
Log.e(TAG, "Could not load native library " + JniLibName.JNI_LIB_NAME, ule);
}
Log.w(TAG, "Could not load system glide typing library " + JniLibName.JNI_LIB_NAME_GOOGLE, ul);
}
}
if (!sHaveGestureLib) {
// try loading built-in library
try {
System.loadLibrary(JniLibName.JNI_LIB_NAME);
} catch (UnsatisfiedLinkError ul) {
Log.w(TAG, "Could not load native library " + JniLibName.JNI_LIB_NAME, ul);
}
}
}