IncidentReportingCustomDialog.java

	/**
	 * This utility function is used to prompt the user to give details of the traffic incident
	 */
	public static void renderIncidentReportDialog(final Context appContext){
		try{
			
			final Dialog dialog = new Dialog(appContext);
			dialog.setContentView(R.layout.report_creator_dialog_layout);
			dialog.setTitle("Traffic Incident Report");						
			
			final EditText edtDescription = (EditText)dialog.findViewById(R.id.edtDescription);
			final EditText edtLocation = (EditText)dialog.findViewById(R.id.edtLocation);
			final CheckBox checkBoxLocation = (CheckBox)dialog.findViewById(R.id.chkLocation);
			checkBoxLocation.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {				
				public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
					if(!checkBoxLocation.isChecked()){
						//show the location description editText
						edtLocation.setVisibility(View.VISIBLE);
					}
					else{
						edtLocation.setVisibility(View.INVISIBLE);
					}
				}
			});
			//Spinner of Traffic Incident Types
			spinner = (Spinner) dialog.findViewById(R.id.types_spinner);
			
			ArrayAdapter<CharSequence> adapter = ArrayAdapter.createFromResource(appContext,R.array.incident_types, android.R.layout.simple_spinner_item);			
			adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);			
			spinner.setAdapter(adapter);						
									
			Button dialogDismissButton = (Button) dialog.findViewById(R.id.buttonSubmit);
			
			// if button is clicked, close the custom dialog
			dialogDismissButton.setOnClickListener(new OnClickListener() {
				@Override
				public void onClick(View v) {
					Location userLocation = null;
					//get the values from the form
					if(checkBoxLocation.isChecked()){
						//get location of the user
						userLocation = TrafficLightsGeofenceUtils.getInstance().getMyCurrentLocation();
						if(userLocation == null){
							Toast.makeText(appContext, "Unable to determine Location. Please Type Incident Location", Toast.LENGTH_LONG).show();
							edtLocation.setVisibility(View.VISIBLE);
							checkBoxLocation.setChecked(false);
							return;
						}										
					}
					
					//instantiate a Traffic Report
					Object selectedItem = spinner.getSelectedItem();
					Log.i(TAG, "Selected Item "+selectedItem);
					
					//all good, now check that description is not empty
					if(edtDescription.getText().toString().isEmpty() && selectedItem == null){
						edtDescription.setError("Incident Description Cannot Be Empty Unless You Chose One of The Incident Types..");
						return;
					}
					if(!checkBoxLocation.isChecked() && edtLocation.getText().toString().isEmpty()){
						edtLocation.setError("Location Cannot Be Empty Unless you tick the Checkbox");
						return;
					}	
					//do whatever with the values the user has entered, and then dismiss the dialog
					dialog.dismiss();
				}
			});

			dialog.show();
			
		}catch(Exception e){
			Log.e(TAG, "Error Rendering Report Prompt", e);
		}
	}