package com.xpresso;
//import android.R;
import java.util.Locale;
import android.app.Activity;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.database.Cursor;
import android.os.Bundle;
import android.speech.tts.TextToSpeech;
import android.widget.AdapterView;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ListView;
import android.widget.SimpleCursorAdapter;
import android.widget.Toast;
import android.widget.ViewFlipper;
import android.view.ContextMenu;
import android.view.ContextMenu.ContextMenuInfo;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.animation.Animation;
import android.view.animation.AnimationUtils;
//import com.xpresso.SQLiteAdapter;
public class Xpresso extends Activity implements TextToSpeech.OnInitListener,OnClickListener {
Button left, right, rg_left, rg_right, lf_left, lf_right,hello,how,goodbye,thankyou,okay,goodmorning,letsgo,goodnight;
Button maintalkbutton,lefttalkbutton,righttalkbutton;
private TextToSpeech mTts;
ViewFlipper flipper;
EditText main_text,lefttext,righttext;
private SQLiteAdapter mySQLiteAdapter;
ListView listContent;
SimpleCursorAdapter cursorAdapter;
Cursor cursor;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
mTts = new TextToSpeech(this,this);
final Animation b = AnimationUtils.loadAnimation(this, R.anim.fade);
hello = (Button) findViewById(R.id.hello);
how = (Button) findViewById(R.id.how);
goodbye = (Button) findViewById(R.id.goodbye);
okay = (Button) findViewById(R.id.okay);
thankyou = (Button) findViewById(R.id.thankyou);
goodmorning = (Button) findViewById(R.id.goodmorning);
letsgo = (Button) findViewById(R.id.letsgo);
goodnight = (Button) findViewById(R.id.goodnight);
hello.setOnClickListener(this);
how.setOnClickListener(this);
goodbye.setOnClickListener(this);
okay.setOnClickListener(this);
thankyou.setOnClickListener(this);
goodmorning.setOnClickListener(this);
letsgo.setOnClickListener(this);
goodnight.setOnClickListener(this);
main_text = (EditText)findViewById(R.id.main_text);
lefttext = (EditText)findViewById(R.id.lefttext);
righttext = (EditText)findViewById(R.id.righttext);
left = (Button) findViewById(R.id.left);
right = (Button) findViewById(R.id.right);
rg_left = (Button) findViewById(R.id.rg_left);
rg_right = (Button) findViewById(R.id.rg_right);
lf_left = (Button) findViewById(R.id.lf_left);
lf_right = (Button) findViewById(R.id.lf_right);
maintalkbutton=(Button) findViewById(R.id.maintalkbutton);
lefttalkbutton=(Button) findViewById(R.id.lefttalkbutton);
righttalkbutton=(Button) findViewById(R.id.righttalkbutton);
listContent = (ListView)findViewById(R.id.contentlist);
flipper = (ViewFlipper) findViewById(R.id.flipper);
mySQLiteAdapter = new SQLiteAdapter(this);
mySQLiteAdapter.openToWrite();
cursor = mySQLiteAdapter.queueAll();
String[] from = new String[]{SQLiteAdapter.KEY_ID, SQLiteAdapter.KEY_number, SQLiteAdapter.KEY_phrase};
int[] to = new int[]{R.id.id, R.id.text1,R.id.text2};
cursorAdapter = new SimpleCursorAdapter(this, R.layout.row, cursor, from, to);
listContent.setAdapter(cursorAdapter);
registerForContextMenu(listContent);
listContent.setTextFilterEnabled(true);
left.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v)
{
flipper.setInAnimation(b);
flipper.showPrevious();
}
});
right.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v)
{
flipper.setInAnimation(b);
flipper.showNext();
}
});
rg_left.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v)
{
flipper.setInAnimation(b);
flipper.showPrevious();
}
});
rg_right.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v)
{
flipper.setInAnimation(b);
flipper.showNext();
}
});
lf_left.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v)
{
flipper.setInAnimation(b);
flipper.showPrevious();
}
});
lf_right.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v)
{
flipper.setInAnimation(b);
flipper.showNext();
}
});
maintalkbutton.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
//String talkit = maintext.getText().toString();
String maintextstring = main_text.getText().toString();
mTts.speak(maintextstring,
TextToSpeech.QUEUE_FLUSH, // Drop all pending entries in the playback queue.
null);
}
});
lefttalkbutton.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
//String talkit = maintext.getText().toString();
String maintextstring = lefttext.getText().toString();
mTts.speak(maintextstring,
TextToSpeech.QUEUE_FLUSH, // Drop all pending entries in the playback queue.
null);
}
});
righttalkbutton.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
//String talkit = maintext.getText().toString();
String maintextstring = righttext.getText().toString();
mTts.speak(maintextstring,
TextToSpeech.QUEUE_FLUSH, // Drop all pending entries in the playback queue.
null);
}
});
}//end oncreate
@Override
protected void onDestroy()
{
super.onDestroy();
mySQLiteAdapter.close(); //close the sqlite adapter
if (mTts != null) {
mTts.stop();
mTts.shutdown();
}//shutdown the tts engine
}
private void updateList(){
cursor.requery();
}
public boolean onCreateOptionsMenu(Menu menu)
{
getMenuInflater().inflate(R.layout.options, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item)
{
switch (item.getItemId()) {
case R.id.deletealloption:
{
mySQLiteAdapter.deleteAll();
updateList();
Toast.makeText(this, "Deleted all entries.", Toast.LENGTH_SHORT).show();
}
case R.id.addoption:
{
AlertDialog.Builder alert = new AlertDialog.Builder(this);
alert.setTitle("Add to phrases");
final EditText input = new EditText(this);
alert.setView(input);
alert.setPositiveButton("Add", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int whichButton) {
String value = input.getText().toString();
mySQLiteAdapter.insert("3", value);
updateList();
}
});
alert.setNegativeButton("Cancel", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int whichButton) {
// Canceled.
}
});
alert.show();
}
}
return false;
}
@Override
public void onCreateContextMenu(ContextMenu menu, View v,ContextMenuInfo menuInfo) {
super.onCreateContextMenu(menu, v, menuInfo);
menu.setHeaderTitle("Options");
menu.add(0, v.getId(), 0, "Delete");
menu.add(0, v.getId(), 0, "Change");
}
@Override
public boolean onContextItemSelected(MenuItem item) {
AdapterView.AdapterContextMenuInfo info = (AdapterView.AdapterContextMenuInfo) item
.getMenuInfo();
int index = info.position;
if(item.getTitle()=="Delete"){Toast.makeText(this, "Deleted : "+ index+info.id, Toast.LENGTH_SHORT).show();
/*function1(item.getItemId());*/}
else if(item.getTitle()=="Change"){}
else {return false;}
return true;
}
@Override
public void onInit(int status) {
if (status == TextToSpeech.SUCCESS) {
int result = mTts.setLanguage(Locale.US);
//mTts.speak("testing testing",TextToSpeech.QUEUE_FLUSH, null);
if (result == TextToSpeech.LANG_MISSING_DATA ||
result == TextToSpeech.LANG_NOT_SUPPORTED) {
} else {
maintalkbutton.setEnabled(true);
}
} else {
}
}//close oninit
@Override
public void onClick(View v) {
if(v.getId()==R.id.hello)
{
mTts.speak("hello",TextToSpeech.QUEUE_FLUSH, null);
}
if(v.getId()==R.id.how)
{
mTts.speak("how?",TextToSpeech.QUEUE_FLUSH, null);
}
if(v.getId()==R.id.goodbye)
{
mTts.speak("Good Bye",TextToSpeech.QUEUE_FLUSH, null);
}
if(v.getId()==R.id.okay)
{
mTts.speak("Okay",TextToSpeech.QUEUE_FLUSH, null);
}
if(v.getId()==R.id.thankyou)
{
mTts.speak("Thank you",TextToSpeech.QUEUE_FLUSH, null);
}
if(v.getId()==R.id.goodmorning)
{
mTts.speak("Good Morning!",TextToSpeech.QUEUE_FLUSH, null);
}
if(v.getId()==R.id.letsgo)
{
mTts.speak("Let's go",TextToSpeech.QUEUE_FLUSH, null);
}
if(v.getId()==R.id.goodnight)
{
mTts.speak("Good Night",TextToSpeech.QUEUE_FLUSH, null);
}
}
}
这是我的主要 Activity 。 这是我的数据库帮助文件 包 com.xpresso;
import android.content.Context;
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQLiteOpenHelper;
public class DatabaseHelper extends SQLiteOpenHelper {
public static final String DATABASE_NAME = "phrasedb";
public DatabaseHelper(Context context) {
super(context, DATABASE_NAME, null, 1);
}
@Override
public void onCreate(SQLiteDatabase db) {
/*
* Create the employee table and populate it with sample data.
* In step 6, we will move these hardcoded statements to an XML document.
*/
String sql = "CREATE TABLE IF NOT EXISTS insertphrase (" +
"_id INTEGER PRIMARY KEY AUTOINCREMENT, " +
"phrases TEXT)";
db.execSQL(sql);
db.execSQL("INSERT INTO insertphrase (phrases) VALUES ('this is a string')");
db.execSQL("INSERT INTO insertphrase (phrases) VALUES ('this is a string 2')");
}
@Override
public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
db.execSQL("DROP TABLE IF EXISTS employees");
onCreate(db);
}
}
这是我的 sqliteadapter.java
package com.xpresso;
import android.content.ContentValues;
import android.content.Context;
import android.database.Cursor;
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQLiteOpenHelper;
import android.database.sqlite.SQLiteDatabase.CursorFactory;
public class SQLiteAdapter {
public static final String MYDATABASE_NAME = "phrasesdatabase_";
public static final String MYDATABASE_TABLE = "phrasestable";
public static final int MYDATABASE_VERSION = 1;
public static final String KEY_ID = "_id";
public static final String KEY_number = "number";
public static final String KEY_phrase = "phrase";
//create table phrasesdatabase (ID integer primary key, Content text not null);
private static final String SCRIPT_CREATE_DATABASE =
"create table " + MYDATABASE_TABLE + " ("
+ KEY_ID + " integer primary key autoincrement, "
+ KEY_number + " text not null, "
+ KEY_phrase + " text not null);";
private SQLiteHelper sqLiteHelper;
private SQLiteDatabase sqLiteDatabase;
private Context context;
public SQLiteAdapter(Context c){
context = c;
}
public SQLiteAdapter openToRead() throws android.database.SQLException {
sqLiteHelper = new SQLiteHelper(context, MYDATABASE_NAME, null, MYDATABASE_VERSION);
sqLiteDatabase = sqLiteHelper.getReadableDatabase();
return this;
}
public SQLiteAdapter openToWrite() throws android.database.SQLException {
sqLiteHelper = new SQLiteHelper(context, MYDATABASE_NAME, null, MYDATABASE_VERSION);
sqLiteDatabase = sqLiteHelper.getWritableDatabase();
return this;
}
public void close(){
sqLiteHelper.close();
}
public long insert(String number, String phrase){
ContentValues contentValues = new ContentValues();
contentValues.put(KEY_number, number);
contentValues.put(KEY_phrase, phrase);
return sqLiteDatabase.insert(MYDATABASE_TABLE, null, contentValues);
}
public int deleteAll(){
return sqLiteDatabase.delete(MYDATABASE_TABLE, null, null);
}
public Cursor queueAll(){
String[] columns = new String[]{KEY_ID, KEY_number, KEY_phrase};
Cursor cursor = sqLiteDatabase.query(MYDATABASE_TABLE, columns,
null, null, null, null, null);
return cursor;
}
public class SQLiteHelper extends SQLiteOpenHelper {
public SQLiteHelper(Context context, String name,
CursorFactory factory, int version) {
super(context, name, factory, version);
}
@Override
public void onCreate(SQLiteDatabase db) {
db.execSQL(SCRIPT_CREATE_DATABASE);
}
@Override
public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
}
}
}
这是我的一个具有数据库 ListView 的 xml
<?xml version="1.0" encoding="utf-8"?>
<TableLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="fill_parent"
android:layout_height="fill_parent" android:layout_gravity="top|center_horizontal" android:background="@drawable/bbg" >
<TableRow android:layout_height="80px" android:layout_width="wrap_content" android:orientation="horizontal">
<Button android:id="@+id/lf_left" android:text="Previous" android:layout_width="0dip" android:height="60px" android:layout_weight="1" android:background="@drawable/custom_button"></Button>
<Button android:id="@+id/lf_right" android:text="Next" android:layout_width="0dip" android:height="60px" android:layout_weight="1" android:background="@drawable/custom_button"></Button>
</TableRow>
<TableRow android:paddingTop="20px" android:layout_width="fill_parent" android:layout_height="200px" android:orientation="vertical" android:gravity="center_horizontal|center_vertical">
<EditText
android:id="@+id/lefttext"
android:layout_width="300px"
android:layout_height="wrap_content"
/>
</TableRow>
<TableRow android:paddingTop="5px" android:paddingBottom="20px" android:width="100px" android:layout_height="200px" android:orientation="vertical" android:gravity="center_horizontal|center_vertical">
<Button android:id="@+id/lefttalkbutton" android:text="TALK" android:width="100px" android:layout_width="100px" android:background="@drawable/custom_button"></Button>
</TableRow>
<TableRow android:orientation="vertical" android:gravity="center_horizontal" android:width="200px" layout_height="fill_parent" layout_width="fill_parent">
<ListView
android:id="@+id/contentlist"
android:layout_width="fill_parent" android:width="200px"
android:layout_height="fill_parent" android:cacheColorHint="#00000000"/>
</TableRow>
</TableLayout>
这是 ListView 中每一行的 xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="vertical" android:layout_width="fill_parent" android:layout_height="wrap_content">
<Button android:id="@+id/text2" android:layout_width="wrap_content" android:layout_height="wrap_content"/>
<Button android:id="@+id/text1" android:layout_width="wrap_content" android:layout_height="wrap_content"/>
<Button android:id="@+id/id" android:layout_width="wrap_content" android:layout_height="wrap_content"/>
</LinearLayout>
对于 ListView 中的每个按钮，我想为该按钮添加一个 Action 监听器，该监听器接收按钮的文本并将其打印出来或 toast 。非常感谢您的帮助。 谢谢。
最佳答案
onTouch方法有一个 View 参数，它是对触摸 View 的引用。
public void onClick(View v)
{
Button b = (Button)v;
String buttonText = b.getText().toString();
}
这将为您提供按钮的文本。
执行 toast 很简单，看看this
关于android - ListView 项目/按钮android的actionlistener，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/8462172/