package com.example.android.lifecycle;

import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.util.Log;
import android.view.View;
import android.widget.TextView;

public class MainActivity extends AppCompatActivity {

    /*
     * This tag will be used for logging. It is best practice to use the class's name using
     * getSimpleName as that will greatly help to identify the location from which your logs are
     * being posted.
     */
    private static final String TAG = MainActivity.class.getSimpleName();

    /* Constant values for the names of each respective lifecycle callback */
    private static final String ON_CREATE = "onCreate";
    private static final String ON_START = "onStart";
    private static final String ON_RESUME = "onResume";
    private static final String ON_PAUSE = "onPause";
    private static final String ON_STOP = "onStop";
    private static final String ON_RESTART = "onRestart";
    private static final String ON_DESTROY = "onDestroy";
    private static final String ON_SAVE_INSTANCE_STATE = "onSaveInstanceState";

    /*
     * This TextView will contain a running log of every lifecycle callback method called from this
     * Activity. This TextView can be reset to its default state by clicking the Button labeled
     * "Reset Log"
     */
    private TextView mLifecycleDisplay;

    /**
     * Called when the activity is first created. This is where you should do all of your normal
     * static set up: create views, bind data to lists, etc.
     *
     * Always followed by onStart().
     *
     * @param savedInstanceState The Activity's previously frozen state, if there was one.
     */
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        mLifecycleDisplay = (TextView) findViewById(R.id.tv_lifecycle_events_display);

        // TODO (1) Use logAndAppend within onCreate
    }

    // TODO (2) Override onStart, call super.onStart, and call logAndAppend with ON_START

    // TODO (3) Override onResume, call super.onResume, and call logAndAppend with ON_RESUME

    // TODO (4) Override onPause, call super.onPause, and call logAndAppend with ON_PAUSE

    // TODO (5) Override onStop, call super.onStop, and call logAndAppend with ON_STOP

    // TODO (6) Override onRestart, call super.onRestart, and call logAndAppend with ON_RESTART

    // TODO (7) Override onDestroy, call super.onDestroy, and call logAndAppend with ON_DESTROY

    /**
     * Logs to the console and appends the lifecycle method name to the TextView so that you can
     * view the series of method callbacks that are called both from the app and from within
     * Android Studio's Logcat.
     *
     * @param lifecycleEvent The name of the event to be logged.
     */
    private void logAndAppend(String lifecycleEvent) {
        Log.d(TAG, "Lifecycle Event: " + lifecycleEvent);

        mLifecycleDisplay.append(lifecycleEvent + "\n");
    }

    /**
     * This method resets the contents of the TextView to its default text of "Lifecycle callbacks"
     *
     * @param view The View that was clicked. In this case, it is the Button from our layout.
     */
    public void resetLifecycleDisplay(View view) {
        mLifecycleDisplay.setText("Lifecycle callbacks:\n");
    }
}

@@ -1944,20 +1944,25 @@
      // 
-TODO
+completed
  (1) Use
@@ -1991,16 +1991,62 @@
 nCreate%0A
+        logAndAppend(ON_SAVE_INSTANCE_STATE);%0A
     %7D%0A%0A 
@@ -2051,20 +2051,25 @@
 %0A    // 
-TODO
+completed
  (2) Ove
@@ -2143,474 +2143,1153 @@
 ART%0A
-%0A    // TODO (3) Override onResume, call super.onResume, and call logAndAppend with ON_RESUME%0A%0A    // TODO (4) Override onPause, call super.onPause, and call logAndAppend with ON_PAUSE%0A%0A    // TODO (5) Override onStop, call super.onStop, and call logAndAppend with ON_STOP%0A%0A    // TODO (6) Override onRestart, call super.onRestart, and call logAndAppend with ON_RESTART%0A%0A    // TODO (7) Override onDestroy, call super.onDestroy, and call logAndAppend with ON_DESTROY
+    @Override%0A    protected void onStart()%7B%0A        super.onStart();%0A        logAndAppend(ON_START);%0A    %7D%0A%0A    // completed (3) Override onResume, call super.onResume, and call logAndAppend with ON_RESUME%0A    @Override%0A    protected void onResume()%7B%0A        super.onResume();%0A        logAndAppend(ON_RESUME);%0A    %7D%0A%0A    // completed (4) Override onPause, call super.onPause, and call logAndAppend with ON_PAUSE%0A    @Override%0A    protected void onPause()%7B%0A        super.onPause();%0A        logAndAppend(ON_PAUSE);%0A    %7D%0A%0A    // completed (5) Override onStop, call super.onStop, and call logAndAppend with ON_STOP%0A    @Override%0A    protected void onStop()%7B%0A        super.onStop();%0A        logAndAppend(ON_STOP);%0A    %7D%0A%0A    // completed (6) Override onRestart, call super.onRestart, and call logAndAppend with ON_RESTART%0A    @Override%0A    protected void onRestart()%7B%0A        super.onRestart();%0A        logAndAppend(ON_RESTART);%0A    %7D%0A%0A    // completed (7) Override onDestroy, call super.onDestroy, and call logAndAppend with ON_DESTROY%0A    @Override%0A    protected void onDestroy()%7B%0A        super.onDestroy();%0A        logAndAppend(ON_DESTROY);%0A    %7D
 %0A%0A  

complete TODO 1-7