Android 应用自动安装（无需提示静默安装）

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/** * 软件静默安装 * @param apkAbsolutePath apk文件所在路径 * @return 安装结果:获取到的result值<br> *  * 如果安装成功的话是“ * pkg: /data/local/tmp/Calculator.apk  /nSuccess”，<br> * 如果是失败的话，则没有结尾的“Success”。 */  public String silentInstall(String apkAbsolutePath) {  String[] args = { "pm", "install", "-r", apkAbsolutePath };  String result = "";  ProcessBuilder processBuilder = new ProcessBuilder(args);  Process process = null;  InputStream errIs = null;  InputStream inIs = null;  try {  ByteArrayOutputStream baos = new ByteArrayOutputStream();  int read = -1;  process = processBuilder.start();  errIs = process.getErrorStream();  while ((read = errIs.read()) != -1) {  baos.write(read);  }  baos.write("/n".getBytes());  inIs = process.getInputStream();  while ((read = inIs.read()) != -1) {  baos.write(read);  }  byte[] data = baos.toByteArray();  result = new String(data);  } catch (IOException e) {  e.printStackTrace();  } catch (Exception e) {  e.printStackTrace();  } finally {  try {  if (errIs != null) {  errIs.close();  }  if (inIs != null) {  inIs.close();  }  } catch (IOException e) {  e.printStackTrace();  }  if (process != null) {  process.destroy();  }  }  return result;  }

<!-- 以下是静默安装apk所需要到权限 -->  <uses-permission android:name="android.permission.INSTALL_PACKAGES" />  <uses-permission android:name="android.permission.DELETE_PACKAGES" />  <uses-permission android:name="android.permission.CLEAR_APP_CACHE" />  <uses-permission android:name="android.permission.CLEAR_APP_USER_DATA" />  <uses-permission android:name="android.permission.READ_PHONE_STATE" />