package com.gp89developers.calculatorinputview; import android.app.Activity; import android.content.Intent; import android.support.v4.app.Fragment; import android.text.TextUtils; import com.gp89developers.calculatorinputview.activities.CalculatorActivity; public class CalculatorBuilder { private String activityTitle; private String value; public CalculatorBuilder() { } /** * Initialise the calculator view with a predefined value * * @param value the initial value * @return this */ public CalculatorBuilder withValue(String value) { this.value = value; return this; } /** * Set the title for the window that will be displayed * * @param activityTitle set the title of the activity * @return this */ public CalculatorBuilder withTitle(String activityTitle) { this.activityTitle = activityTitle; return this; } /** * Start the activity using the parent activity * * @param activity the current activity */ public void start(Activity activity) { Intent i = new Intent(activity, CalculatorActivity.class); if (!TextUtils.isEmpty(activityTitle)) { i.putExtra(CalculatorActivity.TITLE_ACTIVITY, activityTitle); } if (!TextUtils.isEmpty(value)) { i.putExtra(CalculatorActivity.VALUE, value); } activity.startActivityForResult(i, CalculatorActivity.REQUEST_RESULT_SUCCESSFUL); } /** * Start the activity using the parent fragment * * @param fragment the current fragment */ public void start(Fragment fragment) { Intent i = new Intent(fragment.getContext(), CalculatorActivity.class); if (!TextUtils.isEmpty(activityTitle)) { i.putExtra(CalculatorActivity.TITLE_ACTIVITY, activityTitle); } if (!TextUtils.isEmpty(value)) { i.putExtra(CalculatorActivity.VALUE, value); } fragment.startActivityForResult(i, CalculatorActivity.REQUEST_RESULT_SUCCESSFUL); } }