//调用方法为：
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//InstallUtils.install28(MainActivity.this,"/data/local/tmp/test.apk",InstallResultReceiver.class)
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//需系统签名和添加以下权限
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//<uses-permission android:name="android.permission.INSTALL_PACKAGES" />
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//<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
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package com.android.settings;
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import android.app.PendingIntent;
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import android.content.BroadcastReceiver;
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import android.content.Context;
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import android.content.Intent;
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import android.content.pm.PackageInstaller;
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import android.util.Log;
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import java.io.File;
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import java.io.FileInputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.OutputStream;
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public class InstallUtils {
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private static final String TAG = "myLog";
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// 适配android9的安装方法。
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public static void install28(Context context, String apkFilePath,Class<InstallResultReceiver> receiver) {
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Log.d(TAG,"install28 path="+apkFilePath);
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File apkFile = new File(apkFilePath);
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PackageInstaller packageInstaller = context.getPackageManager().getPackageInstaller();
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PackageInstaller.SessionParams sessionParams
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= new PackageInstaller.SessionParams(PackageInstaller
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.SessionParams.MODE_FULL_INSTALL);
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sessionParams.setSize(apkFile.length());
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int sessionId = createSession(packageInstaller, sessionParams);
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Log.d(TAG,"install28 sessionId="+sessionId);
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if (sessionId != -1) {
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boolean copySuccess = copyInstallFile(packageInstaller, sessionId, apkFilePath);
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Log.d(TAG,"install28 copySuccess="+copySuccess);
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if (copySuccess) {
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execInstallCommand(context,packageInstaller, sessionId,receiver);
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}
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}
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}
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private static int createSession(PackageInstaller packageInstaller,
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PackageInstaller.SessionParams sessionParams) {
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int sessionId = -1;
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try {
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sessionId = packageInstaller.createSession(sessionParams);
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} catch (IOException e) {
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e.printStackTrace();
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}
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return sessionId;
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}
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private static boolean copyInstallFile(PackageInstaller packageInstaller,int sessionId, String apkFilePath) {
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InputStream in = null;
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OutputStream out = null;
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PackageInstaller.Session session = null;
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boolean success = false;
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try {
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File apkFile = new File(apkFilePath);
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session = packageInstaller.openSession(sessionId);
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out = session.openWrite("base.apk", 0, apkFile.length());
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in = new FileInputStream(apkFile);
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int total = 0, c;
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byte[] buffer = new byte[65536];
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while ((c = in.read(buffer)) != -1) {
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total += c;
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out.write(buffer, 0, c);
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}
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session.fsync(out);
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Log.i(TAG, "streamed " + total + " bytes");
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success = true;
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} catch (IOException e) {
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e.printStackTrace();
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} finally {
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try {
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if (out!=null){
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out.close();
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}
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if (in!=null){
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in.close();
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}
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if (session!=null){
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session.close();
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}
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} catch (IOException e) {
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e.printStackTrace();
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}
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}
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return success;
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}
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private static void execInstallCommand(Context context, PackageInstaller packageInstaller, int sessionId, Class<InstallResultReceiver> receiver) {
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PackageInstaller.Session session = null;
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try {
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session = packageInstaller.openSession(sessionId);
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Intent intent = new Intent(context, receiver);
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PendingIntent pendingIntent = PendingIntent.getBroadcast(context,
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1, intent,
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PendingIntent.FLAG_UPDATE_CURRENT);
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session.commit(pendingIntent.getIntentSender());
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Log.i(TAG, "begin session");
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} catch (IOException e) {
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e.printStackTrace();
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} catch (Exception e) {
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e.printStackTrace();
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} finally {
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session.close();
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}
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}
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}
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