files pointed at by * * this instance....in any of the dex files * */ public Class findClass(String name, List suppressed...if (dex !...= null) { Class clazz = dex.loadClassBinaryName(name, definingContext, suppressed);...com.zzw.baselibray.util; import java.io.File; import java.io.FileInputStream; import java.io.FileOutputStream; import java.io.IOException
ClassLoader.java:469) at android.app.ActivityThread.installProvider(ActivityThread.java:5141) … 10 more Suppressed...: java.io.IOException: No original dex files found for dex location /system/priv-app/Launcher3/Launcher3...解决方法是把dex文件拷贝到模拟器里，然后使用dex2oat编译下。...编译出来的dex文件（Launcher3.apk中不包含dex文件）路径是： out/target/common/obj/APPS/Launcher3_intermediates/classes.dex...--runtime-arg -Xms64m --runtime-arg -Xmx512m --dex-file=/data/local/tmp/Launcher3.dex --dex-location
Interpreted classes are found in a set of DEX files contained * in Jar or APK files. * * The path lists...and load the (direct or contained) dex files * up front. */ for (File file : files) { File zip = null...[elements.size()]); } files为dex文件的file对象list，判断是dex文件之后调用loadDexFile方法加载dex文件，返回DexFile对象。...implementation; * classes are not resolved. * @throws ClassNotFoundException * if the class can not be found...= null) { Class clazz = dex.loadClassBinaryName(name, definingContext, suppressed); if (clazz !
catch (ClassNotFoundException e) { // ClassNotFoundException thrown if class not found...class loader } if (c == null) { // If still not found...or contained) dex files 292 * up front. 293 */ 294 for (File file : files) {//...} catch (IOException suppressed) { 315 System.logE("Unable to load dex file: "...= null) { 418 Class clazz = dex.loadClassBinaryName(name, definingContext, suppressed)
} //找到根加载器依然为null,只能自己加载了 if (c == null) { // If still not found...* Raw ".dex" files (not inside a zip file)....Interpreted classes are found in a set of DEX files contained * in Jar or APK files....} catch (IOException suppressed) { System.logE("Unable to load dex file...if (suppressed !
Path to libraries in apk-files // 2....()]; int elementsPos = 0; /* * Open all files and load the (direct or contained) dex files...dex file: " + file, suppressed); suppressedExceptions.add(suppressed);...catch (ClassNotFoundException e) { // ClassNotFoundException thrown if class not found...class loader } if (c == null) { // If still not found
} files * should be found and written to, or {@code null} to use the default * system directory...element of * the given array. */ private static Element[] makeDexElements(ArrayList files...文件 * up front. */ for (File file : files) { File zip = null;...= loadDexFile(file, optimizedDirectory); } catch (IOException suppressed) {...* when findClass returns null. */ suppressedExceptions.add(suppressed
* @return the {@code Class} object that is found....Instead of loading Dalvik executable (“dex”) files from the default location, an application can load...We have created a sample app to demonstrate the partitioning of dex files and runtime class loading.....class files to be converted to the default dex and the secondary dex....staging directories into two separate dex files.
} catch (ClassNotFoundException e) { // ClassNotFoundException thrown if class not found...} //找到根加载器依然为null,只能自己加载了 if (c == null) { // If still not found...目的就是为了让findClass去实现 private static Element[] makeDexElements(List files, File optimizedDirectory...} catch (IOException suppressed) { System.logE("Unable to load dex file...if (suppressed !
ZygoteInit.java:886) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:776) Suppressed...or contained) dex files * up front. */ for (File file : files) {...DexPathList /** * Finds the named class in one of the dex files pointed at by * this...dex files */ public Class findClass(String name) { for (Element element : dexElements...the name of * a file in /data/dalvik-cache, as the named file is expected to be * in its original
Path to libraries in apk-files // 2....Path to libraries in apk-files // 2....) dex files * up front. */ for (File file : files) { File zip = null...} catch (IOException suppressed) { System.logE("Unable to load dex file: " + file...= null) { Class clazz = dex.loadClassBinaryName(name, definingContext, suppressed);
()]; int elementsPos = 0; /* * Open all files and load the (direct or contained) dex...files up front. */ for (File file : files) { if (file.isDirectory()) {...} } catch (IOException suppressed) { System.logE("Unable to load...dex file: " + file, suppressed); suppressedExceptions.add(suppressed);...suppressed) { /* * IOException might get thrown "legitimately
= null) { Class clazz = dex.loadClassBinaryName(name, definingContext, suppressed);...suppressedExceptions); /******部分代码省略******/ } private static Element[] makeDexElements(ArrayList files...* Note that all the *.jar and *.apk files from {@code dexPath} might be * first extracted in-memory...This can be avoided * by passing raw dex files (*.dex) in the {@code dexPath}....* * @param dexPath the list of jar/apk files containing classes and * resources, delimited by {@code
dex文件的结构 8位字节的二进制流文件 各个数据紧密排列，无间隙，减少了文件体积，加快加载速度 整个工程的类信息都存放在一个dex文件中（不考虑dex分包的情况下） class文件与dex文件的比较...} catch (ClassNotFoundException e) { // ClassNotFoundException thrown if class not found...// 如果父亲没有加载，那么最终由自己（实现类）负责加载 if (c == null) { // If still not found...= null) { Class clazz = dex.loadClassBinaryName(name, definingContext, suppressed);...(suppressed !
files loads are reported...* * This enables the framework to monitor the use of dex files....The * goal is to simplify the mechanism for optimizing foreign dex files and * enable further...optimizations of secondary dex files...= null) { Class clazz = dex.loadClassBinaryName(name, definingContext, suppressed);
apk"; //上面是支持的后缀，由于在下面这个方法用到了，我就放到到这里 private static Element[] makeDexElements(ArrayList files...catch (ClassNotFoundException e) { // ClassNotFoundException thrown if class not found...class loader } if (c == null) { // If still not found...= null) { Class clazz = dex.loadClassBinaryName(name, definingContext, suppressed);...{ if (suppressed !
dex_files.empty()) { jlongArray array = ConvertDexFilesToJavaArray(env, oat_file, dex_files);...added_image_space) { DCHECK(dex_files.empty()); dex_files = oat_file_assistant.LoadDexFiles...of the original dex file if we couldn't load any // dex_files from the oat file....} else { error_msgs->push_back("No original dex files found for dex location " +...and write while the group and others propagate // the reading access of the original dex file.
"load found " + files.size() + " secondary dex files"); return files; } } 查找dex...().getComponentType(), original.length + extraElements.length)); //新的数组 System.arraycopy(original..., original.length, extraElements.length); //dex2、dex3...拷贝到新的数组 jlrField.set(instance, combined...数组，从dex文件里面去加载一个类，加载成功就返回，加载失败则抛出Class Not Found 异常。...需要注意的是闪屏页的Activity，包括闪屏页中引用到的其它类必须在主dex中，不然在MultiDex.install之前加载这些不在主dex中的类会报错Class Not Found。
dexCheck) { //file not found, do not load patch Log.w(TAG, "tryLoadPatchFiles:dex check fail"); return...//it won't fail at dex2optif (Build.VERSION.SDK_INT >= 23) { V23.install(classLoader, files, dexOptDir..., files, dexOptDir); }if (!...().getComponentType(), original.length + extraElements.length); // NOTE: changed to copy extraElements..., 0, combined, extraElements.length, original.length); jlrField.set(instance, combined); } Tinker
We’ve found the first slow operation of getResourceAsStream....A: Android extracts DEX files from an APK during installation....) { for (Element element : dexElements) { DexFile dex = element.dexFile; if (dex !...= null) { Class clazz = dex.loadClassBinaryName(name, definingContext, suppressed);...= null) { suppressed.addAll(Arrays.asList(dexElementsSuppressedExceptions)); } return null;
领取专属 10元无门槛券
手把手带您无忧上云
云服务器
ICP备案
实时音视频
对象存储
即时通信 IM
