静默安装-优快云博客

本文链接：https://blog.youkuaiyun.com/canvas18/article/details/8754258

本文介绍了一个用于在Android设备上安装应用程序的方法。通过调用系统的pm install命令并传递.apk文件的绝对路径来实现安装过程。文章还展示了如何从外部存储获取文件路径，并使用Java代码处理安装过程中的输入和错误输出。

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btn_backinstall.setOnClickListener(new OnClickListener()
 {

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06              

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07              @Override

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08              public void onClick(View
 v) {

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09                  //文件时已经存在sd卡中了，也可以先从网络中下载，然后存入sd卡中

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10                  String
 fileName = Environment.getExternalStorageDirectory()

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11                          + "/ma"+"/MyHttpTest.apk";

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12                  install(fileName);

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13              }

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14          });

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15      }

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16  

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17  

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18  

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19  

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20          //方法体可以在任何地方可套用，不用修改任何东东哦！

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21      public String
 install(String apkAbsolutePath ){ 

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22          String[]
 args = { "pm", "install", "-r",
 apkAbsolutePath };

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23          String
 result = "";

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24          ProcessBuilder
 processBuilder = new ProcessBuilder(args);

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25          Process
 process = null;

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26          InputStream
 errIs = null;

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27          InputStream
 inIs = null;

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28          try {

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29              ByteArrayOutputStream
 baos = new ByteArrayOutputStream();

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30              int read
 = -1;

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31              process
 = processBuilder.start();

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32              errIs
 = process.getErrorStream();

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33              while ((read
 = errIs.read()) != -1)
 {

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34                  baos.write(read);

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35              }

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36              baos.write("/n".getBytes());

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37              inIs
 = process.getInputStream();

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38              while ((read
 = inIs.read()) != -1)
 {

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39                  baos.write(read);

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40              }

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41              byte[]
 data = baos.toByteArray();

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42              result
 = new String(data);

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43          } catch (IOException
 e) {

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44              e.printStackTrace();

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45          } catch (Exception
 e) {

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46              e.printStackTrace();

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47          } finally {

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48              try {

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49                  if (errIs
 != null)
 {

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50                      errIs.close();

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51                  }

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52                  if (inIs
 != null)
 {

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53                      inIs.close();

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54                  }

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55              } catch (IOException
 e) {

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56                  e.printStackTrace();

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57              }

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58              if (process
 != null)
 {

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59                  process.destroy();

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60              }

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61          }

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62          return result;

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63      }

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64  

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65  

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66  

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67        <uses-permission
 android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>

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68      <uses-permission
 android:name="android.permission.INSTALL_PACKAGES" />

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69      <uses-permission
 android:name="android.permission.DELETE_PACKAGES" />

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70      <uses-permission
 android:name="android.permission.CLEAR_APP_CACHE" />

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71      <uses-permission
 android:name="android.permission.CLEAR_APP_USER_DATA" />

68
72      <uses-permission
 android:name="android.permission.READ_PHONE_STATE" />