Damn it! You require high level patient while dealing with no tech client and normally clients are non tech. Anyway! sometimes its happened that you didn't receive any error or problem but client, in that case you are not able to trace what error exactly. Here I will explain you how to trace log when client face and he/she failed to explain, simply follow below steps: step1# Download jar file and integrate in your project. acra-4.4.0-javadoc.jar step2# Generate ReportCrashes Key from your Google Drive. Open Gmail account>Go to Drive>Upload One .csv file, While uploading keep conversation option to be on instead off. Your csv file look like this CSV file Step3# Open CSV file where you find Tools option within menu. Click on option>click on create Legacy Form. It will open new window with appropriate form like below. It will provide you form key, copied it. Step4# Create one java file named "MyApplication" and extends Ap...