BugReportView.java

package ru.ltst.u2020mvp.ui.bugreport;

import android.content.Context;
import android.text.Editable;
import android.util.AttributeSet;
import android.widget.CheckBox;
import android.widget.EditText;
import android.widget.LinearLayout;

import butterknife.Bind;
import butterknife.ButterKnife;
import ru.ltst.u2020mvp.R;
import ru.ltst.u2020mvp.ui.misc.EmptyTextWatcher;
import ru.ltst.u2020mvp.util.Strings;

public final class BugReportView extends LinearLayout {
    @Bind(R.id.title)
    EditText titleView;
    @Bind(R.id.description)
    EditText descriptionView;
    @Bind(R.id.screenshot)
    CheckBox screenshotView;
    @Bind(R.id.logs)
    CheckBox logsView;

    public interface ReportDetailsListener {
        void onStateChanged(boolean valid);
    }

    private ReportDetailsListener listener;

    public BugReportView(Context context, AttributeSet attrs) {
        super(context, attrs);
    }

    @Override
    protected void onFinishInflate() {
        super.onFinishInflate();
        ButterKnife.bind(this);

        titleView.setOnFocusChangeListener((v, hasFocus) -> {
            if (!hasFocus) {
                titleView.setError(Strings.isBlank(titleView.getText()) ? "Cannot be empty." : null);
            }
        });
        titleView.addTextChangedListener(new EmptyTextWatcher() {
            @Override
            public void afterTextChanged(Editable s) {
                if (listener != null) {
                    listener.onStateChanged(!Strings.isBlank(s));
                }
            }
        });

        screenshotView.setChecked(true);
        logsView.setChecked(true);
    }

    public void setBugReportListener(ReportDetailsListener listener) {
        this.listener = listener;
    }

    public Report getReport() {
        return new Report(String.valueOf(titleView.getText()),
                String.valueOf(descriptionView.getText()), screenshotView.isChecked(),
                logsView.isChecked());
    }

    public static final class Report {
        public final String title;
        public final String description;
        public final boolean includeScreenshot;
        public final boolean includeLogs;

        public Report(String title, String description, boolean includeScreenshot,
                      boolean includeLogs) {
            this.title = title;
            this.description = description;
            this.includeScreenshot = includeScreenshot;
            this.includeLogs = includeLogs;
        }
    }
}