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Android studio “SDK tools directory is missing”

Following 2 possible solutions will resolve this problem :  Solution1 : To fix the problem, it was required that I list the path to my corporate PAC file by using  Configure -> "Appearance and Behavior" -> System Settings -> HTTP Proxy . I selected "Automatic proxy configuration url:" Delete your  ~/.Android*  folders (losing all of your settings :/). Run Android Studio. It will show you a welcome wizard where it tries to download the SDK again (and fails due to my rubbish internet). Click the X on the wizard window. That will enable you to get to the normal welcome dialog. Go to Settings->Project Defaults->Project Structure and change the Android SDK location to the correct one. Solution 2 : To fix the problem, it was required that I list the path to my corporate PAC file by using  Configure -> "Appearance and Behavior" -> System Settings -> HTTP Proxy . I selected "Automatic proxy configuration url:&quo
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simple code to display AlertDialog with multipleLines in a singlerow..in Android

cardBillingAddressEditText.setOnClickListener(new View.OnClickListener() {
              public void onClick(View v) {
                  if(mArrayList.size()>0)
                     {
                  System.out.println("-------onClick(cardBillingAddressEditText)-----");
                  builder = new AlertDialog.Builder(DummyProject.this);
                  builder.setTitle("Select BillingAddrs from List");
                  builder.setSingleChoiceItems(carBillingAdrsStringArr, -1, new DialogInterface.OnClickListener() {
                      public void onClick(DialogInterface dialog, int item) {
                         // AddressID=Integer.parseInt(addressArrayList.get(item));
                          nameAddressID=carBillingAdrsStringArr[item];                           
                          //cardBillingAddressEditText.setError("",d);
                          cardBillingAddressEditText.setText(nameAddressID);
                          dialog.cancel();//to Hide the list
                      }
                  });
                  alert = builder.create();
                     alert.show();
              // }//if...
              }
         });

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