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Android9.0中怎么实现静默安装源码，很多新手对此不是很清楚，为了帮助大家解决这个难题，下面小编将为大家详细讲解，有这方面需求的人可以来学习下，希望你能有所收获。
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import android.content.BroadcastReceiver;import android.content.Context;import android.content.IIntentReceiver;import android.content.IIntentSender;import android.content.Intent;import android.content.IntentFilter;import android.content.IntentSender;import android.content.pm.ApplicationInfo;import android.content.pm.PackageInfo;import android.content.pm.PackageInstaller;import android.content.pm.PackageManager;import android.net.Uri;import android.os.Bundle;import android.os.Environment;import android.os.IBinder;import android.os.RemoteException;import android.util.Log;import java.io.File;import java.io.FileInputStream;import java.io.IOException;import java.io.InputStream;import java.io.OutputStream;import java.lang.reflect.Constructor;import java.lang.reflect.Field;import java.lang.reflect.InvocationTargetException;import java.util.concurrent.SynchronousQueue;import java.util.concurrent.TimeUnit public class PackageManagerCompatP { private final static String TAG = PackageManagerCompatP.class.getSimpleName(); public static final long MAX_WAIT_TIME = 25 * 1000; public static final long WAIT_TIME_INCR = 5 * 1000; private static final String SECURE_CONTAINERS_PREFIX = "/mnt/asec"; private Context mContext; public PackageManagerCompatQ(Context context) { this.mContext = context; } private static class LocalIntentReceiver { private final SynchronousQueue mResult = new SynchronousQueue<>(); private IIntentSender.Stub mLocalSender = new IIntentSender.Stub() { @Override public void send(int code, Intent intent, String resolvedType, IBinder whitelistToken, IIntentReceiver finishedReceiver, String requiredPermission, Bundle options) { try { mResult.offer(intent, 5, TimeUnit.SECONDS); } catch (InterruptedException e) { throw new RuntimeException(e); } } }; public IntentSender getIntentSender() { Class aClass = null; try { aClass = Class.forName("android.content.IntentSender"); } catch (ClassNotFoundException e) { e.printStackTrace(); } if (aClass == null) { return null; } try { Constructor[] declaredConstructors = aClass.getDeclaredConstructors(); for (Constructor declaredConstructor : declaredConstructors) { Log.i(TAG, "declaredConstructor.toString():" + declaredConstructor.toString()); Log.i(TAG, "declaredConstructor.getName():" + declaredConstructor.getName()); Class[] parameterTypes = declaredConstructor.getParameterTypes(); for (Class parameterType : parameterTypes) { Class aClass1 = parameterType.getClass(); Log.i(TAG, "parameterTypes...aClass1:" + aClass1.getName()); } } } catch (Exception e) { e.printStackTrace(); } Constructor constructor = null; try { constructor = aClass.getDeclaredConstructor(IIntentSender.class); } catch (NoSuchMethodException e) { e.printStackTrace(); } if (constructor == null) { return null; } Object o = null; try { o = constructor.newInstance((IIntentSender) mLocalSender); } catch (IllegalAccessException e) { e.printStackTrace(); } catch (InstantiationException e) { e.printStackTrace(); } catch (InvocationTargetException e) { e.printStackTrace(); } return (IntentSender) o;// new IntentSender((IIntentSender) mLocalSender) } public Intent getResult() { try { return mResult.take(); } catch (InterruptedException e) { throw new RuntimeException(e); } } } private PackageManager getPm() { return mContext.getPackageManager(); } private PackageInstaller getPi() { return getPm().getPackageInstaller(); } private void writeSplitToInstallSession(PackageInstaller.Session session, String inPath, String splitName) throws RemoteException { long sizeBytes = 0; final File file = new File(inPath); if (file.isFile()) { sizeBytes = file.length(); } else { return; } InputStream in = null; OutputStream out = null; try { in = new FileInputStream(inPath); out = session.openWrite(splitName, 0, sizeBytes); int total = 0; byte[] buffer = new byte[65536]; int c; while ((c = in.read(buffer)) != -1) { total += c; out.write(buffer, 0, c); } session.fsync(out); } catch (IOException e) { e.printStackTrace(); } finally { IoUtils.closeQuietly(out); IoUtils.closeQuietly(in); IoUtils.closeQuietly(session); } } /** * 入口方法 * String apkPackageName = ""; //填写安装的包名 * String apkPath = "";//填写安装的路径 **/ public void testReplaceFlagSdcardInternal(String apkPackageName, String apkPath) throws Exception { // Do not run on devices with emulated external storage. if (Environment.isExternalStorageEmulated()) { return; } int iFlags = 0x00000008;// PackageManager.INSTALL_EXTERNAL 0x00000008 int rFlags = 0; //这个暂时用不上 //InstallParams ip = sampleInstallFromRawResource(iFlags, false); Uri uri = Uri.fromFile(new File(apkPath)); GenericReceiver receiver = new ReplaceReceiver(apkPackageName); int replaceFlags = rFlags | 0x00000002;//PackageManager.INSTALL_REPLACE_EXISTING 0x00000002 try { invokeInstallPackage(uri, replaceFlags, receiver, true); //assertInstall(ip.pkg, iFlags, ip.pkg.installLocation); } catch (Exception e) { Log.e(TAG, "Failed with exception : " + e); } finally {// cleanUpInstall(ip); } }// class InstallParams {// Uri packageURI;//// PackageParser.Package pkg;//// InstallParams(String outFileName, int rawResId) throws PackageParserException {// this.pkg = getParsedPackage(outFileName, rawResId);// this.packageURI = Uri.fromFile(new File(pkg.codePath));// }//// InstallParams(PackageParser.Package pkg) {// this.packageURI = Uri.fromFile(new File(pkg.codePath));// this.pkg = pkg;// }//// long getApkSize() {// File file = new File(pkg.codePath);// return file.length();// }// }//// private InstallParams sampleInstallFromRawResource(int flags, boolean cleanUp)// throws Exception {// return installFromRawResource("install.apk", android.R.raw.install, flags, cleanUp, false, -1,// PackageInfo.INSTALL_LOCATION_UNSPECIFIED);// }// private void cleanUpInstall(InstallParams ip) {//// } private void cleanUpInstall(String pkgName) throws Exception { if (pkgName == null) { return; } Log.i(TAG, "Deleting package : " + pkgName); try { final ApplicationInfo info = getPm().getApplicationInfo(pkgName, PackageManager.MATCH_UNINSTALLED_PACKAGES); if (info != null) { //PackageManager.DELETE_ALL_USERS final LocalIntentReceiver localReceiver = new LocalIntentReceiver(); //这是卸载，不调用// getPi().uninstall(pkgName,// 0x00000002,// localReceiver.getIntentSender()); localReceiver.getResult(); assertUninstalled(info); } } catch (IllegalArgumentException | PackageManager.NameNotFoundException e) { e.printStackTrace(); } } private static void assertUninstalled(ApplicationInfo info) throws Exception { File nativeLibraryFile = new File(info.nativeLibraryDir); Log.e(TAG, "Native library directory " + info.nativeLibraryDir + " should be erased" + nativeLibraryFile.exists()); } private void invokeInstallPackage(Uri packageUri, int flags, GenericReceiver receiver, boolean shouldSucceed) { mContext.registerReceiver(receiver, receiver.filter); synchronized (receiver) { final String inPath = packageUri.getPath(); PackageInstaller.Session session = null; try { final PackageInstaller.SessionParams sessionParams = new PackageInstaller.SessionParams(PackageInstaller.SessionParams.MODE_FULL_INSTALL); try { //sessionParams.installFlags = flags; Field installFlags = sessionParams.getClass().getDeclaredField("installFlags"); installFlags.set(sessionParams, flags); } catch (NoSuchFieldException e) { e.printStackTrace(); } catch (IllegalAccessException e) { e.printStackTrace(); } final int sessionId = getPi().createSession(sessionParams); session = getPi().openSession(sessionId); writeSplitToInstallSession(session, inPath, "base.apk"); final LocalIntentReceiver localReceiver = new LocalIntentReceiver(); session.commit(localReceiver.getIntentSender()); final Intent result = localReceiver.getResult(); final int status = result.getIntExtra(PackageInstaller.EXTRA_STATUS, PackageInstaller.STATUS_FAILURE); if (shouldSucceed) { if (status != PackageInstaller.STATUS_SUCCESS) { Log.e(TAG, "Installation should have succeeded, but got code " + status); } } else { if (status == PackageInstaller.STATUS_SUCCESS) { Log.e(TAG, "Installation should have failed"); } // We'll never get a broadcast since the package failed to install return; } // Verify we received the broadcast long waitTime = 0; while ((!receiver.isDone()) && (waitTime < MAX_WAIT_TIME)) { try { receiver.wait(WAIT_TIME_INCR); waitTime += WAIT_TIME_INCR; } catch (InterruptedException e) { Log.i(TAG, "Interrupted during sleep", e); } } if (!receiver.isDone()) { Log.e(TAG, "Timed out waiting for PACKAGE_ADDED notification"); } } catch (IllegalArgumentException | IOException | RemoteException e) { Log.e(TAG, "Failed to install package; path=" + inPath, e); } finally { IoUtils.closeQuietly(session); mContext.unregisterReceiver(receiver); } } } private abstract static class GenericReceiver extends BroadcastReceiver { private boolean doneFlag = false; boolean received = false; Intent intent; IntentFilter filter; abstract boolean notifyNow(Intent intent); @Override public void onReceive(Context context, Intent intent) { if (notifyNow(intent)) { synchronized (this) { received = true; doneFlag = true; this.intent = intent; notifyAll(); } } } public boolean isDone() { return doneFlag; } public void setFilter(IntentFilter filter) { this.filter = filter; } } class ReplaceReceiver extends GenericReceiver { String pkgName; final static int INVALID = -1; final static int REMOVED = 1; final static int ADDED = 2; final static int REPLACED = 3; int removed = INVALID; // for updated system apps only boolean update = false; ReplaceReceiver(String pkgName) { this.pkgName = pkgName; filter = new IntentFilter(Intent.ACTION_PACKAGE_REMOVED); filter.addAction(Intent.ACTION_PACKAGE_ADDED); if (update) { filter.addAction(Intent.ACTION_PACKAGE_REPLACED); } filter.addDataScheme("package"); super.setFilter(filter); } public boolean notifyNow(Intent intent) { String action = intent.getAction(); Uri data = intent.getData(); String installedPkg = data.getEncodedSchemeSpecificPart(); if (pkgName == null || !pkgName.equals(installedPkg)) { return false; } if (Intent.ACTION_PACKAGE_REMOVED.equals(action)) { removed = REMOVED; } else if (Intent.ACTION_PACKAGE_ADDED.equals(action)) { if (removed != REMOVED) { return false; } boolean replacing = intent.getBooleanExtra(Intent.EXTRA_REPLACING, false); if (!replacing) { return false; } removed = ADDED; if (!update) { return true; } } else if (Intent.ACTION_PACKAGE_REPLACED.equals(action)) { if (removed != ADDED) { return false; } removed = REPLACED; return true; } return false; } }} 看完上述内容是否对您有帮助呢？如果还想对相关知识有进一步的了解或阅读更多相关文章，请关注创新互联行业资讯频道，感谢您对创新互联的支持。