Android 开发工具类 35_PatchUtils-白红宇

Android 开发工具类 35_PatchUtils

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发布时间：2019-06-13

本文共 12394 字，大约阅读时间需要 41 分钟。

增量更新工具类【https://github.com/cundong/SmartAppUpdates】

1 import java.io.File;  2   3 import android.app.Activity;  4 import android.app.ProgressDialog;  5 import android.content.Context;  6 import android.content.Intent;  7 import android.net.Uri;  8 import android.os.AsyncTask;  9 import android.os.Bundle; 10 import android.text.TextUtils; 11 import android.view.View; 12 import android.view.View.OnClickListener; 13 import android.widget.Button; 14 import android.widget.TextView; 15 import android.widget.Toast; 16  17 import com.cundong.utils.PatchUtils; 18 import com.example.test.util.ApkUtils; 19 import com.example.test.util.SignUtils; 20 import com.example.test2.R; 21  22 /** 23  * 类说明： ApkPatchLibrary 使用 Demo 24  *  25  * @author  Cundong 26  * @version 1.5 27  */ 28 public class MainActivity extends Activity { 29  30     // 合成成功 31     private static final int WHAT_SUCCESS = 1; 32  33     // 合成的APK签名和已安装的签名不一致 34     private static final int WHAT_FAIL_SING = -1; 35  36     // 合成失败 37     private static final int WHAT_FAIL_ERROR = -2; 38  39     // 获取源文件失败 40     private static final int WHAT_FAIL_GET_SOURCE = -3; 41  42     private Context mContext = null; 43  44     private ProgressDialog mProgressDialog; 45     private TextView mResultView; 46     private Button mStartButton, mGithubButton; 47  48     private long mBeginTime, mEndTime; 49  50     @Override 51     protected void onCreate(Bundle savedInstanceState) { 52         super.onCreate(savedInstanceState); 53         setContentView(R.layout.activity_main); 54  55         mContext = getApplicationContext(); 56  57         mProgressDialog = new ProgressDialog(this); 58         mProgressDialog.setProgressStyle(ProgressDialog.STYLE_SPINNER); 59         mProgressDialog.setMessage("doing.."); 60         mProgressDialog.setCancelable(false); 61  62         mResultView = (TextView) findViewById(R.id.textview4); 63         mStartButton = (Button) findViewById(R.id.start_btn); 64         mGithubButton = (Button) findViewById(R.id.github_btn); 65  66         mStartButton.setOnClickListener(new OnClickListener() { 67  68             @Override 69             public void onClick(View arg0) { 70  71                 File patchFile = new File(Constants.PATCH_PATH); 72                  73                 if (!ApkUtils.isInstalled(mContext, Constants.TEST_PACKAGENAME)) { 74                     Toast.makeText(mContext, getString(R.string.demo_info1), 75                             Toast.LENGTH_LONG).show(); 76                 } else if (!patchFile.exists()) { 77                     Toast.makeText(mContext, getString(R.string.demo_info2), 78                             Toast.LENGTH_LONG).show(); 79                 } else { 80                     new PatchApkTask().execute(); 81                 } 82             } 83         }); 84  85         mGithubButton.setOnClickListener(new OnClickListener() { 86  87             @Override 88             public void onClick(View v) { 89                 Intent intent = new Intent("android.intent.action.VIEW", Uri.parse("https://github.com/cundong/SmartAppUpdates")); 90                 startActivity(intent); 91             } 92         }); 93     } 94      95     private class PatchApkTask extends AsyncTask
     
       { 96  97         @Override 98         protected void onPreExecute() { 99             super.onPreExecute();100             101             mProgressDialog.show();102             103             mResultView.setText("");104             mBeginTime = System.currentTimeMillis();105         }106 107         @Override108         protected Integer doInBackground(String... params) {109 110             String oldApkSource = ApkUtils.getSourceApkPath(mContext,111                     Constants.TEST_PACKAGENAME);112 113             if (!TextUtils.isEmpty(oldApkSource)) {114 115                 int patchResult = PatchUtils.patch(oldApkSource,116                         Constants.NEW_APK_PATH, Constants.PATCH_PATH);117 118                 if (patchResult == 0) {119 120                     String signatureNew = SignUtils121                             .getUnInstalledApkSignature(Constants.NEW_APK_PATH);122 123                     String signatureSource = SignUtils124                             .getInstalledApkSignature(mContext,125                                     Constants.TEST_PACKAGENAME);126                     127                     if (!TextUtils.isEmpty(signatureNew)128                             && !TextUtils.isEmpty(signatureSource)129                             && signatureNew.equals(signatureSource)) {130                         return WHAT_SUCCESS;131                     } else {132                         return WHAT_FAIL_SING;133                     }134                 } else {135                     return WHAT_FAIL_ERROR;136                 }137             } else {138                 return WHAT_FAIL_GET_SOURCE;139             }140         }141         142         @Override143         protected void onPostExecute(Integer result) {144             super.onPostExecute(result);145             146             if (mProgressDialog.isShowing()) {147                 mProgressDialog.dismiss();148             }149             150             mEndTime = System.currentTimeMillis();151             mResultView.setText("耗时: " + (mEndTime - mBeginTime) + "ms");152             153             switch (result) {154                 case WHAT_SUCCESS: {155                     156                     String text = "新apk已合成成功：" + Constants.NEW_APK_PATH;157                     showShortToast(text);158                     159                     ApkUtils.installApk(MainActivity.this, Constants.NEW_APK_PATH);160                     break;161                 }162                 case WHAT_FAIL_SING: {163                     String text = "新apk已合成失败，签名不一致";164                     showShortToast(text);165                     break;166                 }167                 case WHAT_FAIL_ERROR: {168                     String text = "新apk已合成失败";169                     showShortToast(text);170                     break;171                 }172                 case WHAT_FAIL_GET_SOURCE: {173                     String text = "无法获取packageName为" + Constants.TEST_PACKAGENAME174                             + "的源apk文件，只能整包更新了！";175                     showShortToast(text);176                     break;177                 }178             }179         }180     }181     182     private void showShortToast(final String text) {183 184         Toast.makeText(mContext, text, Toast.LENGTH_SHORT).show();185     }186     187     static {188         System.loadLibrary("ApkPatchLibrary");189     }190 }

APK 工具类

1 import android.content.Context; 2 import android.content.Intent; 3 import android.content.pm.ApplicationInfo; 4 import android.content.pm.PackageManager; 5 import android.content.pm.PackageManager.NameNotFoundException; 6 import android.net.Uri; 7 import android.text.TextUtils; 8  9 /**10  * 类说明：  Apk工具类11  * 12  * @author     Cundong13  * @date     2013-9-614  * @version 1.015  */16 public class ApkUtils {17 18     public static boolean isInstalled(Context context, String packageName) {19         PackageManager pm = context.getPackageManager();20         boolean installed = false;21         try {22             pm.getPackageInfo(packageName, PackageManager.GET_ACTIVITIES);23             installed = true;24         } catch (Exception e) {25             e.printStackTrace();26         }27 28         return installed;29     }30 31     /**32      * 获取已安装Apk文件的源Apk文件33      * 如：/data/app/com.sina.weibo-1.apk34      * 35      * @param context36      * @param packageName37      * @return38      */39     public static String getSourceApkPath(Context context, String packageName) {40         if (TextUtils.isEmpty(packageName))41             return null;42 43         try {44             ApplicationInfo appInfo = context.getPackageManager()45                     .getApplicationInfo(packageName, 0);46             return appInfo.sourceDir;47         } catch (NameNotFoundException e) {48             e.printStackTrace();49         }50 51         return null;52     }53 54     /**55      * 安装Apk56      * 57      * @param context58      * @param apkPath59      */60     public static void installApk(Context context, String apkPath) {61 62         Intent intent = new Intent(Intent.ACTION_VIEW);63         intent.setDataAndType(Uri.parse("file://" + apkPath),64                 "application/vnd.android.package-archive");65 66         context.startActivity(intent);67     }68 }

apk 签名信息获取工具类

1 import java.io.File;  2 import java.lang.reflect.Constructor;  3 import java.lang.reflect.Field;  4 import java.lang.reflect.Method;  5 import java.util.Iterator;  6 import java.util.List;  7   8 import android.content.Context;  9 import android.content.pm.PackageInfo; 10 import android.content.pm.PackageManager; 11 import android.content.pm.Signature; 12 import android.util.DisplayMetrics; 13  14 /** 15  * 类说明：  apk 签名信息获取工具类 16  *  17  * @author     Cundong 18  * @date     2013-9-6 19  * @version 1.0 20  */ 21 public class SignUtils { 22  23     /** 24      * 获取未安装Apk的签名 25      *  26      * @param apkPath 27      * @return 28      */ 29     public static String getUnInstalledApkSignature(String apkPath) { 30         String PATH_PackageParser = "android.content.pm.PackageParser"; 31  32         try { 33             Class
      pkgParserCls = Class.forName(PATH_PackageParser); 34             Class
     [] typeArgs = new Class[1]; 35             typeArgs[0] = String.class; 36             Constructor
      pkgParserCt = pkgParserCls.getConstructor(typeArgs); 37             Object[] valueArgs = new Object[1]; 38             valueArgs[0] = apkPath; 39             Object pkgParser = pkgParserCt.newInstance(valueArgs); 40  41             DisplayMetrics metrics = new DisplayMetrics(); 42             metrics.setToDefaults(); 43  44             typeArgs = new Class[4]; 45             typeArgs[0] = File.class; 46             typeArgs[1] = String.class; 47             typeArgs[2] = DisplayMetrics.class; 48             typeArgs[3] = Integer.TYPE; 49  50             Method pkgParser_parsePackageMtd = pkgParserCls.getDeclaredMethod( 51                     "parsePackage", typeArgs); 52             valueArgs = new Object[4]; 53             valueArgs[0] = new File(apkPath); 54             valueArgs[1] = apkPath; 55             valueArgs[2] = metrics; 56             valueArgs[3] = PackageManager.GET_SIGNATURES; 57             Object pkgParserPkg = pkgParser_parsePackageMtd.invoke(pkgParser, 58                     valueArgs); 59  60             typeArgs = new Class[2]; 61             typeArgs[0] = pkgParserPkg.getClass(); 62             typeArgs[1] = Integer.TYPE; 63  64             Method pkgParser_collectCertificatesMtd = pkgParserCls 65                     .getDeclaredMethod("collectCertificates", typeArgs); 66             valueArgs = new Object[2]; 67             valueArgs[0] = pkgParserPkg; 68             valueArgs[1] = PackageManager.GET_SIGNATURES; 69             pkgParser_collectCertificatesMtd.invoke(pkgParser, valueArgs); 70  71             Field packageInfoFld = pkgParserPkg.getClass().getDeclaredField( 72                     "mSignatures"); 73             Signature[] info = (Signature[]) packageInfoFld.get(pkgParserPkg); 74             return info[0].toCharsString(); 75         } catch (Exception e) { 76             e.printStackTrace(); 77         } 78  79         return null; 80     } 81  82     /** 83      * 获取已安装apk签名 84      *  85      * @param context 86      * @param packageName 87      * @return 88      */ 89     public static String getInstalledApkSignature(Context context, 90             String packageName) { 91         PackageManager pm = context.getPackageManager(); 92         List
     
       apps = pm 93                 .getInstalledPackages(PackageManager.GET_SIGNATURES); 94  95         Iterator
      
        iter = apps.iterator(); 96         while (iter.hasNext()) { 97             PackageInfo packageinfo = iter.next(); 98             String thisName = packageinfo.packageName; 99             if (thisName.equals(packageName)) {100                 return packageinfo.signatures[0].toCharsString();101             }102         }103 104         return null;105     }106 }