appium=== error failure [install_failed_already_exists:attempt to re-install Io.appium.settings without first Uninstalling. The solution

Problem to solve: Appium run times error Failure on androidV7.0 system [install_failed_already_exists:attempt to re-install Io.appium.settings Without first uninstalling.]

Cause Analysis: The uiautomator version of Appium is not suitable for androidV7.0.

Pre-set conditions: Mobile phone end has been installed Appium Settings and unlock two applications

Resolution steps: 1. Modify the source file-note two lines of code to install Appiumsettings and unlock

File path: C:\Program files (x86) \appium\node_modules\appium\lib\devices\android\android.js

2. Modify the source file as follows:

A. Open \program Files (x86) \appium\node_modules\appium\node_modules\appium-adb\lib\adb.js

B. Found in line 1035 of Adb.js

     this.shell("ps ‘"+ name +"‘", function (err, stdout) {

      if (err)  return cb(err);       替换成       this.shell_grep( "ps" , name, function (err, stdout) {       if (err) {       logger.debug( "No matching processes found" );       return cb(null, []);      } 并增加上面用到的shell_grep函数：     ADB.prototype.shell_grep  = function (cmd, grep, cb) {     if (cmd.indexOf( ‘"‘) === -1) {     cmd = ‘"‘ + cmd  + ‘"‘ ;     }    var execCmd  = ‘shell ‘ + cmd  + ‘| grep ‘ + grep;    this. exec (execCmd, cb);    };

3. Restart Appium

appium=== error failure [install_failed_already_exists:attempt to re-install Io.appium.settings without first Uninstalling. The solution