CrashWarningActivity.java

package org.commcare.activities;

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.ImageButton;
import android.widget.LinearLayout;
import android.widget.TextView;

import org.commcare.dalvik.R;
import org.commcare.utils.CommCareExceptionHandler;
import org.commcare.utils.LifecycleUtils;
import org.javarosa.core.services.locale.Localization;

/**
 * Shows reason for unrecoverable crash to user and restarts CommCare
 *
 * @author Phillip Mates (pmates@dimagi.com)
 */
public class CrashWarningActivity extends Activity {
    private int errorMessageVisibility = View.GONE;
    private static final String ERROR_VISIBLE = "error-message-is-visible";

    private LinearLayout errorView;
    private ImageButton infoButton;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        loadSaveInstanceState(savedInstanceState);

        setContentView(R.layout.activity_crash_warning);

        setupUi();
    }

    private void loadSaveInstanceState(Bundle savedInstanceState) {
        if (savedInstanceState != null) {
            errorMessageVisibility =
                    savedInstanceState.getInt(ERROR_VISIBLE, View.GONE);
        }
    }

    private void setupUi() {
        setupButtons();
        setupText();
    }

    private void setupButtons() {
        Button closeButton = (Button)findViewById(R.id.RestartCommCare);
        closeButton.setText(Localization.get("crash.warning.button"));
        closeButton.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                LifecycleUtils.restartCommCare(CrashWarningActivity.this, true);
            }
        });

        infoButton = (ImageButton)findViewById(R.id.InfoButton);
        infoButton.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                toggleErrorMessageVisibility();
            }
        });
    }

    private void setupText() {
        TextView simpleWarningView = (TextView)findViewById(R.id.SimpleWarningMessage);
        simpleWarningView.setText(Localization.get("crash.warning.header"));

        TextView errorMessageView = (TextView)findViewById(R.id.ErrorText);

        Intent intent = getIntent();
        if (intent.hasExtra(CommCareExceptionHandler.WARNING_MESSAGE_KEY)) {
            String warningMessage =
                    intent.getStringExtra(CommCareExceptionHandler.WARNING_MESSAGE_KEY);
            errorMessageView.setText(Localization.get("crash.warning.detail") + "\n" + warningMessage);
        }

        errorView = (LinearLayout)findViewById(R.id.Error);
        errorView.setVisibility(errorMessageVisibility);
        updateButtonState();
    }

    private void toggleErrorMessageVisibility() {
        if (errorView.getVisibility() == View.GONE) {
            errorView.setVisibility(View.VISIBLE);
        } else {
            errorView.setVisibility(View.GONE);
        }
        updateButtonState();
    }

    private void updateButtonState() {
        if (errorView.getVisibility() == View.GONE) {
            infoButton.setImageResource(R.drawable.icon_info_outline_neutral);
        } else {
            infoButton.setImageResource(R.drawable.icon_info_fill_neutral);
        }
    }

    @Override
    protected void onSaveInstanceState(Bundle outState) {
        super.onSaveInstanceState(outState);

        outState.putInt(ERROR_VISIBLE, errorView.getVisibility());
    }
}