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Added support for getAvailableFeatures
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It was already supported on SDK23+, now it should also be on SDK16+.
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@Frazew
Frazew committed Jul 25, 2016
1 parent 8507845 commit 2b0d784
Showing 1 changed file with 59 additions and 17 deletions.
76 changes: 59 additions & 17 deletions app/src/main/java/fr/frazew/virtualgyroscope/XposedMod.java
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Original file line number Diff line number Diff line change
Expand Up @@ -36,8 +36,7 @@ public class XposedMod implements IXposedHookLoadPackage {
@Override
public void handleLoadPackage(final LoadPackageParam lpparam) throws Throwable {
if(lpparam.packageName.equals("android")) {
// Disabled temporarily as it is not yet compatible with all supported SDK versions (at least I haven't verified wether it is or not)
//hookPackageFeatures(lpparam);
hookPackageFeatures(lpparam);
}
hookSensorValues(lpparam);
addSensors(lpparam);
Expand All @@ -60,23 +59,66 @@ protected void beforeHookedMethod(MethodHookParam param) throws Throwable {

@SuppressWarnings("unchecked")
private void hookPackageFeatures(final LoadPackageParam lpparam) {
Class<?> pkgMgrSrv = XposedHelpers.findClass("com.android.server.SystemConfig", lpparam.classLoader);
XposedBridge.hookAllMethods(pkgMgrSrv, "getAvailableFeatures", new XC_MethodHook() {
@Override
protected void afterHookedMethod(MethodHookParam param) throws Throwable {
Map<String, FeatureInfo> mAvailableFeatures = (Map<String, FeatureInfo>) param.getResult();
int openGLEsVersion = (int) XposedHelpers.callStaticMethod(XposedHelpers.findClass("android.os.SystemProperties", lpparam.classLoader), "getInt", "ro.opengles.version", FeatureInfo.GL_ES_VERSION_UNDEFINED);
if (!mAvailableFeatures.containsKey(PackageManager.FEATURE_SENSOR_GYROSCOPE)) {
FeatureInfo gyro = new FeatureInfo();
gyro.name = PackageManager.FEATURE_SENSOR_GYROSCOPE;
gyro.reqGlEsVersion = openGLEsVersion;
mAvailableFeatures.put(PackageManager.FEATURE_SENSOR_GYROSCOPE, gyro);
if (Build.VERSION.SDK_INT >= 21) {
Class<?> pkgMgrSrv = XposedHelpers.findClass("com.android.server.SystemConfig", lpparam.classLoader);
XposedBridge.hookAllMethods(pkgMgrSrv, "getAvailableFeatures", new XC_MethodHook() {
@Override
protected void afterHookedMethod(MethodHookParam param) throws Throwable {
Map<String, FeatureInfo> mAvailableFeatures = (Map<String, FeatureInfo>) param.getResult();
int openGLEsVersion = (int) XposedHelpers.callStaticMethod(XposedHelpers.findClass("android.os.SystemProperties", lpparam.classLoader), "getInt", "ro.opengles.version", FeatureInfo.GL_ES_VERSION_UNDEFINED);
if (!mAvailableFeatures.containsKey(PackageManager.FEATURE_SENSOR_GYROSCOPE)) {
FeatureInfo gyro = new FeatureInfo();
gyro.name = PackageManager.FEATURE_SENSOR_GYROSCOPE;
gyro.reqGlEsVersion = openGLEsVersion;
mAvailableFeatures.put(PackageManager.FEATURE_SENSOR_GYROSCOPE, gyro);
}
XposedHelpers.setObjectField(param.thisObject, "mAvailableFeatures", mAvailableFeatures);
param.setResult(mAvailableFeatures);
}
XposedHelpers.setObjectField(param.thisObject, "mAvailableFeatures", mAvailableFeatures);
param.setResult(mAvailableFeatures);
}
});
});
} else {
Class<?> pkgMgrSrv = XposedHelpers.findClass("com.android.server.pm.PackageManagerService", lpparam.classLoader);
XposedBridge.hookAllMethods(pkgMgrSrv, "getSystemAvailableFeatures", new XC_MethodHook() {
@Override
protected void beforeHookedMethod(MethodHookParam param) throws Throwable {
if (param.getResult() != null) {
Object mPackages = XposedHelpers.getObjectField(param.thisObject, "mPackages");
synchronized (mPackages) {
Map<String, FeatureInfo> mAvailableFeatures = (Map<String, FeatureInfo>) XposedHelpers.getObjectField(param.thisObject, "mAvailableFeatures");
int openGLEsVersion = (int) XposedHelpers.callStaticMethod(XposedHelpers.findClass("android.os.SystemProperties", lpparam.classLoader), "getInt", "ro.opengles.version", FeatureInfo.GL_ES_VERSION_UNDEFINED);
if (!mAvailableFeatures.containsKey(PackageManager.FEATURE_SENSOR_GYROSCOPE)) {
FeatureInfo gyro = new FeatureInfo();
gyro.name = PackageManager.FEATURE_SENSOR_GYROSCOPE;
gyro.reqGlEsVersion = openGLEsVersion;
mAvailableFeatures.put(PackageManager.FEATURE_SENSOR_GYROSCOPE, gyro);
}
XposedHelpers.setObjectField(param.thisObject, "mAvailableFeatures", mAvailableFeatures);
}
}
}
});

XposedBridge.hookAllMethods(pkgMgrSrv, "hasSystemFeature", new XC_MethodHook() {
@Override
protected void afterHookedMethod(MethodHookParam param) throws Throwable {
if (!(boolean)param.getResult() && (String)param.args[0] == PackageManager.FEATURE_SENSOR_GYROSCOPE) {
Object mPackages = XposedHelpers.getObjectField(param.thisObject, "mPackages");
synchronized (mPackages) {
Map<String, FeatureInfo> mAvailableFeatures = (Map<String, FeatureInfo>) param.getResult();
int openGLEsVersion = (int) XposedHelpers.callStaticMethod(XposedHelpers.findClass("android.os.SystemProperties", lpparam.classLoader), "getInt", "ro.opengles.version", FeatureInfo.GL_ES_VERSION_UNDEFINED);
FeatureInfo gyro = new FeatureInfo();
gyro.name = PackageManager.FEATURE_SENSOR_GYROSCOPE;
gyro.reqGlEsVersion = openGLEsVersion;
mAvailableFeatures.put(PackageManager.FEATURE_SENSOR_GYROSCOPE, gyro);
XposedHelpers.setObjectField(param.thisObject, "mAvailableFeatures", mAvailableFeatures);
param.setResult(true);
}
}
}
});
}
}

private void hookSensorValues(final LoadPackageParam lpparam) {
if (Build.VERSION.SDK_INT >= 18) {
XposedHelpers.findAndHookMethod("android.hardware.SystemSensorManager$SensorEventQueue", lpparam.classLoader, "dispatchSensorEvent", int.class, float[].class, int.class, long.class, new SensorChangeHook.API18Plus(lpparam));
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