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package com.example.simpleui;
 
import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.view.KeyEvent;
import android.view.Menu;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.View.OnKeyListener;
import android.widget.Button;
import android.widget.CheckBox;
import android.widget.CompoundButton;
import android.widget.CompoundButton.OnCheckedChangeListener;
import android.widget.EditText;
import android.widget.Toast;
 
import com.parse.Parse;
import com.parse.ParseAnalytics;
import com.parse.ParseObject;
 
public class MainActivity extends Activity {
 
	private EditText input;
	private Button button;
	private CheckBox isEncrypt;
	private SharedPreferences sp;
	private SharedPreferences.Editor editor;
 
	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
 
		Parse.initialize(this, "QHV5GCasUkqQI0VXD1ASMyh4ZiUt1hoy7x44jckX",
				"mrc3nh5xixk9HGpIz4xNuAJ0ZYjQsk8apqIDrFFM");
 
		ParseAnalytics.trackAppOpened(getIntent());
 
		setContentView(R.layout.activity_main);
 
		sp = getSharedPreferences("settings", Context.MODE_PRIVATE);
		editor = sp.edit();
 
		input = (EditText) findViewById(R.id.editText1);
		button = (Button) findViewById(R.id.button2);
		isEncrypt = (CheckBox) findViewById(R.id.checkBox1);
 
		input.setText(sp.getString("text", ""));
		isEncrypt.setChecked(sp.getBoolean("check_box", false));
 
		isEncrypt.setOnCheckedChangeListener(new OnCheckedChangeListener() {
 
			@Override
			public void onCheckedChanged(CompoundButton buttonView,
					boolean isChecked) {
				editor.putBoolean("check_box", isChecked);
				editor.commit();
			}
		});
 
		button.setOnClickListener(new OnClickListener() {
			@Override
			public void onClick(View v) {
				sendMessage();
			}
		});
 
		input.setOnKeyListener(new OnKeyListener() {
 
			@Override
			public boolean onKey(View v, int keyCode, KeyEvent event) {
 
				if (event.getAction() == KeyEvent.ACTION_DOWN) {
					if (keyCode == KeyEvent.KEYCODE_ENTER) {
						sendMessage();
						return true;
					} else {
						editor.putString("text", input.getText().toString());
						editor.commit();
					}
				}
				return false;
			}
		});
	}
 
	@Override
	public boolean onCreateOptionsMenu(Menu menu) {
		// Inflate the menu; this adds items to the action bar if it is present.
		getMenuInflater().inflate(R.menu.main, menu);
		return true;
	}
 
	public void send(View view) {
		sendMessage();
	}
 
	public void sendMessage() {
		String text = input.getText().toString();
 
 
		ParseObject testObject = 
				new ParseObject("message");
		testObject.put("text", text);
		testObject.saveInBackground();
 
 
		if (isEncrypt.isChecked()) {
			text = "*********";
		}
 
		Toast.makeText(this, text, Toast.LENGTH_LONG).show();
		input.getText().clear();
 
		Intent intent = new Intent();
		intent.putExtra("message", text);
		intent.setClass(this, MessageActivtiy2.class);
		startActivity(intent);
	}
}
 

Main.java:24: error: class MainActivity is public, should be declared in a file named MainActivity.java
public class MainActivity extends Activity {
       ^
Main.java:3: error: package android.app does not exist
import android.app.Activity;
                  ^
Main.java:4: error: package android.content does not exist
import android.content.Context;
                      ^
Main.java:5: error: package android.content does not exist
import android.content.Intent;
                      ^
Main.java:6: error: package android.content does not exist
import android.content.SharedPreferences;
                      ^
Main.java:7: error: package android.os does not exist
import android.os.Bundle;
                 ^
Main.java:8: error: package android.view does not exist
import android.view.KeyEvent;
                   ^
Main.java:9: error: package android.view does not exist
import android.view.Menu;
                   ^
Main.java:10: error: package android.view does not exist
import android.view.View;
                   ^
Main.java:11: error: package android.view.View does not exist
import android.view.View.OnClickListener;
                        ^
Main.java:12: error: package android.view.View does not exist
import android.view.View.OnKeyListener;
                        ^
Main.java:13: error: package android.widget does not exist
import android.widget.Button;
                     ^
Main.java:14: error: package android.widget does not exist
import android.widget.CheckBox;
                     ^
Main.java:15: error: package android.widget does not exist
import android.widget.CompoundButton;
                     ^
Main.java:16: error: package android.widget.CompoundButton does not exist
import android.widget.CompoundButton.OnCheckedChangeListener;
                                    ^
Main.java:17: error: package android.widget does not exist
import android.widget.EditText;
                     ^
Main.java:18: error: package android.widget does not exist
import android.widget.Toast;
                     ^
Main.java:20: error: package com.parse does not exist
import com.parse.Parse;
                ^
Main.java:21: error: package com.parse does not exist
import com.parse.ParseAnalytics;
                ^
Main.java:22: error: package com.parse does not exist
import com.parse.ParseObject;
                ^
Main.java:24: error: cannot find symbol
public class MainActivity extends Activity {
                                  ^
  symbol: class Activity
Main.java:26: error: cannot find symbol
	private EditText input;
	        ^
  symbol:   class EditText
  location: class MainActivity
Main.java:27: error: cannot find symbol
	private Button button;
	        ^
  symbol:   class Button
  location: class MainActivity
Main.java:28: error: cannot find symbol
	private CheckBox isEncrypt;
	        ^
  symbol:   class CheckBox
  location: class MainActivity
Main.java:29: error: cannot find symbol
	private SharedPreferences sp;
	        ^
  symbol:   class SharedPreferences
  location: class MainActivity
Main.java:30: error: package SharedPreferences does not exist
	private SharedPreferences.Editor editor;
	                         ^
Main.java:33: error: cannot find symbol
	protected void onCreate(Bundle savedInstanceState) {
	                        ^
  symbol:   class Bundle
  location: class MainActivity
Main.java:90: error: cannot find symbol
	public boolean onCreateOptionsMenu(Menu menu) {
	                                   ^
  symbol:   class Menu
  location: class MainActivity
Main.java:96: error: cannot find symbol
	public void send(View view) {
	                 ^
  symbol:   class View
  location: class MainActivity
Main.java:34: error: cannot find symbol
		super.onCreate(savedInstanceState);
		^
  symbol:   variable super
  location: class MainActivity
Main.java:36: error: cannot find symbol
		Parse.initialize(this, "QHV5GCasUkqQI0VXD1ASMyh4ZiUt1hoy7x44jckX",
		^
  symbol:   variable Parse
  location: class MainActivity
Main.java:39: error: cannot find symbol
		ParseAnalytics.trackAppOpened(getIntent());
		                              ^
  symbol:   method getIntent()
  location: class MainActivity
Main.java:39: error: cannot find symbol
		ParseAnalytics.trackAppOpened(getIntent());
		^
  symbol:   variable ParseAnalytics
  location: class MainActivity
Main.java:41: error: package R does not exist
		setContentView(R.layout.activity_main);
		                ^
Main.java:43: error: cannot find symbol
		sp = getSharedPreferences("settings", Context.MODE_PRIVATE);
		                                      ^
  symbol:   variable Context
  location: class MainActivity
Main.java:46: error: cannot find symbol
		input = (EditText) findViewById(R.id.editText1);
		         ^
  symbol:   class EditText
  location: class MainActivity
Main.java:46: error: package R does not exist
		input = (EditText) findViewById(R.id.editText1);
		                                 ^
Main.java:47: error: cannot find symbol
		button = (Button) findViewById(R.id.button2);
		          ^
  symbol:   class Button
  location: class MainActivity
Main.java:47: error: package R does not exist
		button = (Button) findViewById(R.id.button2);
		                                ^
Main.java:48: error: cannot find symbol
		isEncrypt = (CheckBox) findViewById(R.id.checkBox1);
		             ^
  symbol:   class CheckBox
  location: class MainActivity
Main.java:48: error: package R does not exist
		isEncrypt = (CheckBox) findViewById(R.id.checkBox1);
		                                     ^
Main.java:53: error: cannot find symbol
		isEncrypt.setOnCheckedChangeListener(new OnCheckedChangeListener() {
		                                         ^
  symbol:   class OnCheckedChangeListener
  location: class MainActivity
Main.java:63: error: cannot find symbol
		button.setOnClickListener(new OnClickListener() {
		                              ^
  symbol:   class OnClickListener
  location: class MainActivity
Main.java:70: error: cannot find symbol
		input.setOnKeyListener(new OnKeyListener() {
		                           ^
  symbol:   class OnKeyListener
  location: class MainActivity
Main.java:32: error: method does not override or implement a method from a supertype
	@Override
	^
Main.java:92: error: package R does not exist
		getMenuInflater().inflate(R.menu.main, menu);
		                           ^
Main.java:92: error: cannot find symbol
		getMenuInflater().inflate(R.menu.main, menu);
		^
  symbol:   method getMenuInflater()
  location: class MainActivity
Main.java:89: error: method does not override or implement a method from a supertype
	@Override
	^
Main.java:104: error: cannot find symbol
		ParseObject testObject = 
		^
  symbol:   class ParseObject
  location: class MainActivity
Main.java:105: error: cannot find symbol
				new ParseObject("message");
				    ^
  symbol:   class ParseObject
  location: class MainActivity
Main.java:114: error: cannot find symbol
		Toast.makeText(this, text, Toast.LENGTH_LONG).show();
		                           ^
  symbol:   variable Toast
  location: class MainActivity
Main.java:114: error: cannot find symbol
		Toast.makeText(this, text, Toast.LENGTH_LONG).show();
		^
  symbol:   variable Toast
  location: class MainActivity
Main.java:117: error: cannot find symbol
		Intent intent = new Intent();
		^
  symbol:   class Intent
  location: class MainActivity
Main.java:117: error: cannot find symbol
		Intent intent = new Intent();
		                    ^
  symbol:   class Intent
  location: class MainActivity
Main.java:119: error: cannot find symbol
		intent.setClass(this, MessageActivtiy2.class);
		                      ^
  symbol:   class MessageActivtiy2
  location: class MainActivity
55 errors

Standard output is empty