关于一个普通程序启动另外一个程序的命令pm install

本文链接：https://blog.youkuaiyun.com/han478270575/article/details/51219736
本文通过两个开源项目的实例，介绍如何使用`pm install`命令来安装程序，提供了一个简单的测试和演示。
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这里会采用两个开源项目的文件
这是对安装程序的简单的测试和demo
package com.example.demoinstall;
   用于判断是否为系统的运用


import android.app.ActivityManager;
import android.app.ActivityManager.RunningTaskInfo;
import android.content.Context;
import android.content.Intent;
import android.content.pm.ApplicationInfo;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.content.pm.PackageManager.NameNotFoundException;
import android.net.Uri;
import android.os.Build;
import android.provider.Settings;
import android.text.TextUtils;
import android.util.Log;

import java.io.File;
import java.util.List;

/**
 * PackageUtils
 * <ul>
 * <strong>Install package</strong>
 * <li>{@link PackageUtils#installNormal(Context, String)}</li>
 * <li>{@link PackageUtils#installSilent(Context, String)}</li>
 * <li>{@link PackageUtils#install(Context, String)}</li>
 * </ul>
 * <ul>
 * <strong>Uninstall package</strong>
 * <li>{@link PackageUtils#uninstallNormal(Context, String)}</li>
 * <li>{@link PackageUtils#uninstallSilent(Context, String)}</li>
 * <li>{@link PackageUtils#uninstall(Context, String)}</li>
 * </ul>
 * <ul>
 * <strong>Is system application</strong>
 * <li>{@link PackageUtils#isSystemApplication(Context)}</li>
 * <li>{@link PackageUtils#isSystemApplication(Context, String)}</li>
 * <li>{@link PackageUtils#isSystemApplication(PackageManager, String)}</li>
 * </ul>
 * <ul>
 * <strong>Others</strong>
 * <li>{@link PackageUtils#getInstallLocation()} get system install location</li>
 * <li>{@link PackageUtils#isTopActivity(Context, String)} whether the app whost package's name is packageName is on the
 * top of the stack</li>
 * <li>{@link PackageUtils#startInstalledAppDetails(Context, String)} start InstalledAppDetails Activity</li>
 * </ul>
 *
 * @author <a href="http://www.trinea.cn" target="_blank">Trinea</a> 2013-5-15
 */
public class PackageUtils {
   

    public static final String TAG = "PackageUtils";

    private PackageUtils() {
        throw new AssertionError();
    }

    /**
     * App installation location settings values, same to {@link #PackageHelper}
     */
    public static final int APP_INSTALL_AUTO     = 0;
    public static final int APP_INSTALL_INTERNAL = 1;
    public static final int APP_INSTALL_EXTERNAL = 2;

    /**
     * install according conditions
     * <ul>
     * <li>if system application or rooted, see {@link #installSilent(Context, String)}</li>
     * <li>else see {@link #installNormal(Context, String)}</li>
     * </ul>
     *
     * @param context
     * @param filePath
     * @return
     */
    public static final int install(Context context, String filePath) {
        if (PackageUtils.isSystemApplication(context) || ShellUtils.checkRootPermission()) {
            return installSilent(context, filePath);
        }
        return installNormal(context, filePath) ? INSTALL_SUCCEEDED : INSTALL_FAILED_INVALID_URI;
    }

    /**
     * install package normal by system intent
     *
     * @param context
     * @param filePath file path of package
     * @return whether apk exist
     */
    public static boolean installNormal(Context context, String filePath) {
        Intent i = new Intent(Intent.ACTION_VIEW);
        File file = new File(filePath);
        if (file == null || !file.exists() || !file.isFile() || file.length() <= 0) {
            return false;
        }

        i.setDataAndType(Uri.parse("file://" + filePath), "application/vnd.android.package-archive");
        i.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
        context.startActivity(i);
        return true;
    }

    /**
     * install package silent by root
     * <ul>
     * <strong>Attentions:</strong>
     * <li>Don't call this on the ui thread, it may costs some times.</li>
     * <li>You should add <strong>android.permission.INSTALL_PACKAGES</strong> in manifest, so no need to request root
     * permission, if you are system app.</li>
     * <li>Default pm install params is "-r".</li>
     * </ul>
     *
     * @param context
     * @param filePath file path of package
     * @return {@link PackageUtils#INSTALL_SUCCEEDED} means install success, other means failed. details see
     *         {@link PackageUtils}.INSTALL_FAILED_*. same to {@link PackageManager}.INSTALL_*
     * @see #installSilent(Context, String, String)
     */
    public static int installSilent(Context context, String filePath) {
        return installSilent(context, filePath, " -r " + getInstallLocationParams());
    }

    /**
     * install package silent by root
     * <ul>
     * <strong>Attentions:</strong>
     * <li>Don't call this on the ui thread, it may costs some times.</li>
     * <li>You should add <strong>android.permission.INSTALL_PACKAGES</strong> in manifest, so no need to request root
     * permission, if you are system app.</li>
     * </ul>
     *
     * @param context
     * @param filePath file path of package
     * @param pmParams pm install params
     * @return {@link PackageUtils#INSTALL_SUCCEEDED} means install success, other means failed. details see
     *         {@link PackageUtils}.INSTALL_FAILED_*. same to {@link PackageManager}.INSTALL_*
     */
    public static int installSilent(Context context, String filePath, String pmParams) {
        if (filePath == null || filePath.length() == 0) {
            return INSTALL_FAILED_INVALID_URI;
        }

        File file = new File(filePath);
        if (file == null || file.length() <= 0 || !file.exists() || !file.isFile()) {
            return INSTALL_FAILED_INVALID_URI;
        }

        /**
         * if context is system app, don't need root permission, but should add <uses-permission
         * android:name="android.permission.INSTALL_PACKAGES" /> in mainfest
         **/
        StringBuilder command = new StringBuilder().append("LD_LIBRARY_PATH=/vendor/lib:/system/lib pm install ")
                .append(pmParams == null ? "" : pmParams).append(" ").append(filePath.replace(" ", "\\ "));
        ShellUtils.CommandResult commandResult = ShellUtils.execCommand(command.toString(), !isSystemApplication(context), true);
        if (commandResult.successMsg != null
                && (commandResult.successMsg.contains("Success") || commandResult.successMsg.contains("success"))) {
            return INSTALL_SUCCEEDED;
        }

        Log.e(TAG,
                new StringBuilder().append("installSilent successMsg:").append(commandResult.successMsg)
                        .append(", ErrorMsg:").append(commandResult.errorMsg).toString());
        if (commandResult.errorMsg == null) {
            return INSTALL_FAILED_OTHER;
        }
        if (commandResult.errorMsg.contains("INSTALL_FAILED_ALREADY_EXISTS")) {
            return INSTALL_FAILED_ALREADY_EXISTS;
        }
        if (commandResult.errorMsg.contains("INSTALL_FAILED_INVALID_APK")) {
            return INSTALL_FAILED_INVALID_APK;
        }
        if (commandResult.errorMsg.contains("INSTALL_FAILED_INVALID_URI")) {
            return INSTALL_FAILED_INVALID_URI;
        }
        if (commandResult.errorMsg.contains("INSTALL_FAILED_INSUFFICIENT_STORAGE")) {
            return INSTALL_FAILED_INSUFFICIENT_STORAGE;
        }
        if (commandResult.errorMsg.contains("INSTALL_FAILED_DUPLICATE_PACKAGE")) {
            return INSTALL_FAILED_DUPLICATE_PACKAGE;
        }
        if (commandResult.errorMsg.contains("INSTALL_FAILED_NO_SHARED_USER")) {
            return INSTALL_FAILED_NO_SHARED_USER;
        }
        if (commandResult.errorMsg.contains("INSTALL_FAILED_UPDATE_INCOMPATIBLE")) {
            return INSTALL_FAILED_UPDATE_INCOMPATIBLE;
        }
        if (commandResult.errorMsg.contains("INSTALL_FAILED_SHARED_USER_INCOMPATIBLE")) {
            return INSTALL_FAILED_SHARED_USER_INCOMPATIBLE;
        }
        if (commandResult.errorMsg.contains("INSTALL_FAILED_MISSING_SHARED_LIBRARY")) {
            return INSTALL_FAILED_MISSING_SHARED_LIBRARY;
        }
        if (commandResult.errorMsg.contains("INSTALL_FAILED_REPLACE_COULDNT_DELETE")) {
            return INSTALL_FAILED_REPLACE_COULDNT_DELETE;
        }
        if (commandResult.errorMsg.contains("INSTALL_FAILED_DEXOPT")) {
            return INSTALL_FAILED_DEXOPT;
        }
        if (commandResult.errorMsg.contains("INSTAL