一个可能的bug：关于64位系统运行32位的library

[heagoo]

Class:
com.morgoo.helper.compat.NativeLibraryHelperCompat

问题：原来的代码使得VM64无法安装32bit的library，但很多VM64的手机是可以运行32bit库的

参见下面的修改：

@TargetApi(Build.VERSION_CODES.LOLLIPOP)
private static int copyNativeBinariesAfterL(File apkFile, File sharedLibraryDir) {
try {
Object handleInstance = MethodUtils.invokeStaticMethod(handleClass(), "create", apkFile);
if (handleInstance == null) {
return -1;
}

        String abi = null;

        if (isVM64()) {
            if (Build.SUPPORTED_64_BIT_ABIS.length > 0) {
                Set<String> abis = getAbisFromApk(apkFile.getAbsolutePath());
                if (abis == null || abis.isEmpty()) {
                    return 0;
                }

                for (String item : Build.SUPPORTED_64_BIT_ABIS) {
                    abis.add(item);
                }
                String[] supportedAbis = new String[abis.size()];
                supportedAbis = abis.toArray(supportedAbis);

                int abiIndex = (int) MethodUtils.invokeStaticMethod(nativeLibraryHelperClass(), "findSupportedAbi", handleInstance, supportedAbis);
                if (abiIndex >= 0) {
                    abi = supportedAbis[abiIndex];
                }
            }
        } else {
            if (Build.SUPPORTED_32_BIT_ABIS.length > 0) {
                Set<String> abis = getAbisFromApk(apkFile.getAbsolutePath());
                if (abis == null || abis.isEmpty()) {
                    return 0;
                }

                for (String item : Build.SUPPORTED_32_BIT_ABIS) {
                    abis.add(item);
                }
                String[] supportedAbis = new String[abis.size()];
                supportedAbis = abis.toArray(supportedAbis);

                int abiIndex = (int) MethodUtils.invokeStaticMethod(nativeLibraryHelperClass(), "findSupportedAbi", handleInstance, supportedAbis);
                if (abiIndex >= 0) {
                    abi = supportedAbis[abiIndex];
                }
            }
        }

[JackCho]

@heagoo 64位手机是可以兼容32位的library，但这是有个条件的，就是在运行之前，系统会检测libs中是否只有arm，而非arm64-v8a。所以如果你的宿主运行中有arm64-v8a的话，那么进程就是以64位去运行的，但是你的插件里面只有32为的arm so包的话，是不能安装的，因为安装运行也会失败

[JackCho]

看下这个PR #170

[heagoo]

谢谢解惑！

On Tue, May 3, 2016 at 6:55 PM, jack_1900 [email protected] wrote:

看下这个PR #170 #170

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