package com.jashsample;
import java.io.File;
import java.io.InputStream;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Locale;
import java.util.Random;
import android.media.MediaPlayer;
import android.media.MediaPlayer.OnCompletionListener;
import android.media.MediaRecorder;
import android.net.Uri;
import android.os.Bundle;
import android.os.Environment;
import android.provider.ContactsContract;
import android.app.Activity;
import android.app.AlertDialog;
import android.app.SearchManager;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.DialogInterface;
import android.content.DialogInterface.OnKeyListener;
import android.content.Intent;
import android.content.IntentFilter;
import android.database.Cursor;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Camera;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Matrix;
import android.graphics.Paint;
import android.graphics.Typeface;
import android.hardware.Camera.Size;
import android.hardware.Sensor;
import android.hardware.SensorEvent;
import android.hardware.SensorEventListener;
import android.hardware.SensorManager;
import android.speech.RecognizerIntent;
import android.speech.tts.TextToSpeech;
import android.speech.tts.TextToSpeech.OnInitListener;
import android.text.format.DateFormat;
import android.text.method.KeyListener;
import android.view.Display;
import android.view.Gravity;
import android.view.KeyEvent;
import android.view.Menu;
import android.view.MenuItem;
import android.view.MotionEvent;
import android.view.Surface;
import android.view.SurfaceHolder;
import android.view.SurfaceView;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.View.OnTouchListener;
import android.view.ViewGroup;
import android.view.WindowManager;
import android.view.animation.AlphaAnimation;
import android.view.animation.Animation;
import android.view.animation.AnimationSet;
import android.view.animation.RotateAnimation;
import android.view.animation.ScaleAnimation;
import android.view.animation.TranslateAnimation;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.AdapterView.OnItemSelectedListener;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.CheckBox;
import android.widget.CompoundButton;
import android.widget.CompoundButton.OnCheckedChangeListener;
import android.widget.EditText;
import android.widget.GridView;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.ListView;
import android.widget.RadioButton;
import android.widget.RadioGroup;
import android.widget.SimpleAdapter;
import android.widget.Spinner;
import android.widget.TableLayout;
import android.widget.TableRow;
import android.widget.TextView;
import android.widget.Toast;
import android.widget.ViewFlipper;
/*
 * 建立兩個Activity，利用Intent在兩個Activity互傳訊息。
 */
/*
 * <activity android:name=".SampleInput" />
 */
public class MainActivity extends Activity {
public static int SAMPLE_APP = 1;
ListView lv;
Button bt1, bt2;
ArrayList<HashMap<String, String>> data;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
LinearLayout ll = new LinearLayout(this);
ll.setOrientation(LinearLayout.VERTICAL);
setContentView(ll);
lv = new ListView(this);
bt1 = new Button(this);
bt2 = new Button(this);
bt1.setText("新建");
bt2.setText("刪除");
data = new ArrayList<HashMap<String, String>>();
String[] str = {"Title", "Todo"};
int[] ids = {android.R.id.text1, android.R.id.text2};
SimpleAdapter ad = new SimpleAdapter(this, data,
android.R.layout.simple_list_item_single_choice, str,ids);
lv.setAdapter(ad);
lv.setChoiceMode(ListView.CHOICE_MODE_SINGLE);
ll.addView(bt1);
ll.addView(bt2);
ll.addView(lv);
lv.setOnItemClickListener(new SampleItemClickListener());
bt1.setOnClickListener(new SampleClickListener());//import android.view.View.OnClickListener;
bt2.setOnClickListener(new SampleClickListener());//import android.view.View.OnClickListener;
}
class SampleClickListener implements OnClickListener
{
public void onClick(View v)
{
if(v == bt1)
{
Intent it = new Intent(getApplicationContext(), SampleInput.class);
int pos = data.size();
String title = "標題";
String todo = "TODO";
it.putExtra("Title", title);
it.putExtra("Todo", todo);
it.putExtra("Pos", pos);
startActivityForResult(it, SAMPLE_APP);
}
else if(v == bt2)
{
int pos = lv.getCheckedItemPosition();
if(pos >= 0)
{
data.remove(pos);
SimpleAdapter ad = (SimpleAdapter) lv.getAdapter();
ad.notifyDataSetChanged();
lv.setItemChecked(-1, true);
}
}
}
}
class SampleItemClickListener implements OnItemClickListener
{
public void onItemClick(AdapterView<?>v, View iv, int pos, long id)
{
Intent it = new Intent(getApplicationContext(), SampleInput.class);
HashMap<String, String> hm = data.get(pos);
String title = hm.get("Title");
String todo = hm.get("Todo");
it.putExtra("Title", title);
it.putExtra("Todo", todo);
it.putExtra("Pos", pos);
startActivityForResult(it, SAMPLE_APP);
}
}
public void onActivityResult(int reqcode, int result, Intent it)
{
if(reqcode == SAMPLE_APP && result == RESULT_OK)
{
String title = it.getStringExtra("Title");
String todo = it.getStringExtra("Todo");
int pos = it.getIntExtra("Pos", 0);
HashMap<String, String> hm= new HashMap<String, String>();
hm.put("Title", title);
hm.put("Todo", todo);
if(pos == data.size())
{
data.add(pos, hm);
}
else
{
data.set(pos, hm);
}
SimpleAdapter ad = (SimpleAdapter) lv.getAdapter();
ad.notifyDataSetChanged();
}
}
}

package com.jashsample;
import com.jashsample.MainActivity.SampleClickListener;
import android.app.Activity;
import android.view.View.OnClickListener;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.LinearLayout;
public class SampleInput extends Activity
{
EditText et1, et2;
Button bt;
String title, todo;
int pos;
Intent it;
public void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
LinearLayout ll = new LinearLayout(this);
ll.setOrientation(LinearLayout.VERTICAL);
setContentView(ll);
et1 = new EditText(this);
et2 = new EditText(this);
bt = new Button(this);
bt.setText("OK");
it = getIntent();
title = it.getStringExtra("Title");
todo = it.getStringExtra("Todo");
pos = it.getIntExtra("Pos", 0);
et1.setText(title);
et2.setText(todo);
ll.addView(et1);
ll.addView(et2);
ll.addView(bt);
bt.setOnClickListener(new SampleClickListener());//import android.view.View.OnClickListener;
}
class SampleClickListener implements OnClickListener
{
public void onClick(View v)
{
it.putExtra("Title", et1.getText().toString());
it.putExtra("Todo", et2.getText().toString());
it.putExtra("Pos", pos);
setResult(RESULT_OK, it);
finish();
}
}
}