android -- ImageView

Matrix - 放大和縮小

public class Cq_Matrix01Activity extends Activity{
    /** Called when the activity is first created. */

private int bmpWidth;
private int bmpHeight;

private Bitmap bitmap;
//private LinearLayout linearLayout;
private ImageView mImageView;
private Button btnSmall;
private Button btnReset;
private Button btnLarge;
private float scale;



    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
     
     
        mImageView = (ImageView)findViewById(R.id.imageView1);
        btnLarge = (Button)findViewById(R.id.btnEnlarge);
        btnReset = (Button)findViewById(R.id.reset);
        btnSmall = (Button)findViewById(R.id.btnShrink);
     
        //透過  BitmapFactory.decodeResource 取得 bitmap
        bitmap = BitmapFactory.decodeResource(this.getResources(), R.drawable.yih911030_01_300);
     
        //取得寬高
        bmpWidth = bitmap.getWidth();
        bmpHeight = bitmap.getHeight();
     
        scale = 1;
     
        loadImage();
     
      //設定放大按鈕監聽器
       btnLarge.setOnClickListener(new OnClickListener(){

@Override
public void onClick(View v) {
// TODO Auto-generated method stub
scale *= 1.3;
loadImage();
}
   
       });
     
 
     //設定原來大小監聽器
        btnReset.setOnClickListener(new OnClickListener() {

@Override
public void onClick(View v) {
// TODO Auto-generated method stub
scale = 1;
loadImage();
}
});
     
        //設定縮小按鈕監聽器
        btnSmall.setOnClickListener(new OnClickListener() {

@Override
public void onClick(View v) {
// TODO Auto-generated method stub
scale *= 0.7;
loadImage();

}
});
     
    }
 
    private void loadImage(){
   
    android.graphics.Matrix matrix = new android.graphics.Matrix();
    matrix.postScale(scale, scale);
   
    Bitmap resizedBitmap = Bitmap.createBitmap(bitmap, 0, 0, bmpWidth, bmpHeight, matrix, true);
    mImageView.setImageBitmap(resizedBitmap);
   
    }


}




***********************************
res/layout/main.xml


<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/linearLayout01"
    android:orientation="vertical"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
     >

    <TextView
        android:id="@+id/textView1"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:text="＊＊＊ 圖示放大縮小 ＊＊＊"
        android:layout_gravity="center" />

    <LinearLayout
        android:id="@+id/linearLayout1"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:layout_gravity="center_horizontal" >

        <Button
            android:id="@+id/btnEnlarge"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:textSize="21sp"
            android:text="放大" />

        <Button
            android:id="@+id/reset"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:textSize="17sp"
            android:text="原尺寸" />

        <Button
            android:id="@+id/btnShrink"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:textSize="15sp"
            android:text="縮小"
             />

    </LinearLayout>

    <ImageView
        android:id="@+id/imageView1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:scaleType="center"
        android:layout_gravity="center"
         />

</LinearLayout>

voice_recognition: (2)

manifest.xml:


<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.cq.voice.recognition02"
    android:versionCode="1"
    android:versionName="1.0" >

    <uses-sdk android:minSdkVersion="10" />

    <application
        android:icon="@drawable/voice2"
        android:label="VoiceR2"
         >
        <activity
            android:label="@string/app_name"
            android:name=".Cq_VoiceRecognition02Activity"
             android:configChanges="orientation">
            <intent-filter >
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
        <activity android:name=".ItemDemoPage"
            android:configChanges="orientation"></activity>
    </application>

</manifest>


*************************************************************

main.java:


public class Cq_VoiceRecognition02Activity extends Activity implements OnClickListener{
    /** Called when the activity is first created. */

ListView listview;
static final int check = 111;
protected static final boolean String = false;
private String [] stringData = {"fish","restaurant","car","menu"};

private TextView resultTextView;


OnClickListener transBtnListener;

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.voice_recognition);
     
        listview = (ListView)findViewById(R.id.listView1);
        Button b = (Button)findViewById(R.id.bVoice);
        b.setOnClickListener(this);
     
     
    }//end of onCreate

@Override
public void onClick(View v) {
// TODO Auto-generated method stub

Intent intent = new Intent (RecognizerIntent.ACTION_RECOGNIZE_SPEECH);
intent.putExtra(RecognizerIntent.EXTRA_LANGUAGE_MODEL, RecognizerIntent.LANGUAGE_MODEL_FREE_FORM);
intent.putExtra(RecognizerIntent.EXTRA_PROMPT, "不要害羞，請張口說話!");
startActivityForResult(intent, check);
}//end of onClick




@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
// TODO Auto-generated method stub

if (requestCode == check && resultCode == RESULT_OK) {
ArrayList<String> results = data
.getStringArrayListExtra(RecognizerIntent.EXTRA_RESULTS);
listview.setAdapter(new ArrayAdapter<String>(this,
android.R.layout.simple_list_item_1, results));

// 檢查一共幾筆資料
listview.setClickable(true);
Toast.makeText(
Cq_VoiceRecognition02Activity.this,
"一共查詢到 "
+ Integer
.toString(listview.getAdapter().getCount())
+ " 個項目", Toast.LENGTH_LONG).show();

// // 檢查與我們的資料庫是否有吻合的項目
// int inqueredItemCount = listview.getAdapter().getCount();
// int index = 0;
// for (int i = 0; i < inqueredItemCount; i++) {
//
// String item = (String) listview.getAdapter().getItem(i);
// Toast.makeText(this, item, Toast.LENGTH_SHORT).show();
//
// for (int j = 0; j < stringData.length; j++) {
//
// Toast.makeText(this, "stringData = " + stringData[j], Toast.LENGTH_SHORT).show();
// if (item == stringData[j]) {
// index++;
// Toast.makeText(this, "找到相符合的資料！", Toast.LENGTH_SHORT).show();
//
// }else {
// Toast.makeText(this, i + " 筆不是！", Toast.LENGTH_SHORT).show();
// }
// }
// }
//
//
// if (index == 0){
// Toast.makeText(this, "沒有資料！", Toast.LENGTH_SHORT).show();
// }else {
// Toast.makeText(this, "一共 " + index + " 筆", Toast.LENGTH_SHORT).show();
// }

// 設定點選的項目
listview.setOnItemClickListener(new OnItemClickListener() {

@Override
public void onItemClick(AdapterView<?> parent, View v,
int position, long id) {

// 取得Clicked String
String item = (String) listview.getAdapter().getItem(
position);

// 利用TOAST顯示點選的項目
Toast.makeText(Cq_VoiceRecognition02Activity.this,
Integer.toString(position), Toast.LENGTH_SHORT)
.show();
Toast.makeText(Cq_VoiceRecognition02Activity.this,
"您選了 \"" + item + "\"", Toast.LENGTH_SHORT).show();

resultTextView = (TextView)findViewById(R.id.resultTV);
resultTextView.setText("選擇的字句： " + item);


// test for ItemDemoPage
Intent intent = new Intent(Cq_VoiceRecognition02Activity.this, ItemDemoPage.class);
intent.putExtra("TEXT", item);
startActivity(intent);


}
});

}


super.onActivityResult(requestCode, resultCode, data);
}//end of OnActivityResult

 
}//end of Cq_VoiceRecognition02Activity



*************************************************
ItemDemoPage.java:


public class ItemDemoPage extends Activity{

public static final String ENCODING = "UTF-8";
String fileName = "speech_rec01.txt";
String message = "";

TextView tv;
Button editBtn;
Button doneBtn;
Button clearBtn;
Button playBtn;
EditText  et;

TextToSpeech tts;

@Override
protected void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
setContentView(R.layout.item_demo_play);

tv = (TextView) findViewById(R.id.clickedText);

editBtn = (Button)findViewById(R.id.editBtn);
doneBtn = (Button)findViewById(R.id.doneBtn);
clearBtn = (Button)findViewById(R.id.clearBtn);
playBtn = (Button) findViewById(R.id.playBtn);
et = (EditText)findViewById(R.id.editText1);

//tts = new TextToSpeech(getApplicationContext(), this);

 //自共同記憶區取得傳遞資料，變數名稱：TEXT
 Bundle extras = getIntent().getExtras();
 if (extras != null){
//   tv.setText(extras.getString("TEXT"));

//  String previousText = readFileData (fileName);
//  String secondPart = extras.getString("TEXT");
//  message = previousText + secondPart;

 String comma = ","; //句子間的分野
 message = extras.getString("TEXT") + comma;
 writeFileData(fileName, message);
 String result = readFileData (fileName);
 tv.setText(result);

 }

 //修改內容
 editBtn.setOnClickListener(new OnClickListener() {

@Override
public void onClick(View v) {
// TODO Auto-generated method stub
et.setText(tv.getText().toString());
}
});

 //完成
 doneBtn.setOnClickListener(new OnClickListener() {

@Override
public void onClick(View v) {
// TODO Auto-generated method stub
deleteFile(fileName);
String message = et.getText().toString();
writeFileData(fileName, message);

//完成時將keyboard 隱藏，以不至於檔到螢幕的View
InputMethodManager mgr = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
mgr.hideSoftInputFromWindow(et.getWindowToken(), 0);

String result = readFileData(fileName);
tv.setText(result);

et.setText("");

}
});


 //Clear all data
 clearBtn.setOnClickListener(new OnClickListener() {

@Override
public void onClick(View v) {
// TODO Auto-generated method stub
deleteFile(fileName);
tv.setText("(沒有資料，請回到前一頁！！！)");
et.setText("");
}
});


}// end of onCreate()


//寫入指定的資料
public void writeFileData (String fileName, String message) {
try {
FileOutputStream fos = openFileOutput(fileName, MODE_APPEND);
byte [] bytes = message.getBytes(); //將要寫入的字串轉換為byte陣列
fos.write(bytes); //將byte陣列寫入檔案
fos.close(); //關閉FileOutputStream物件
} catch (Exception e) {
e.printStackTrace();
}
} // end of writeFileData


public String readFileData (String fileName) {
String result = "";
try {
FileInputStream fis = openFileInput(fileName);
int length = fis.available();//獲取檔案長度
byte [] buffer = new byte[length];//新建byte陣列用於讀入資料
fis.read(buffer);//將檔案內容讀入到byte陣列中
result = EncodingUtils.getString(buffer, ENCODING);//將byte陣列轉換成指定格式的字串
fis.close();//關閉檔案輸入串流
} catch (Exception e) {
e.printStackTrace();
}
return result;//返回讀到的資料字串
}
}

***************************************************

不需要：

res/layout/main.xml:

<?xml version="1.0" encoding="utf-8"?>

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

    android:layout_width="fill_parent"

    android:layout_height="fill_parent"

    android:orientation="vertical" >

    <TextView

        android:layout_width="fill_parent"

        android:layout_height="wrap_content"

        android:text="@string/hello" />

</LinearLayout>

***************************************************

res/layout/item_demo_play.xml

<?xml version="1.0" encoding="utf-8"?>

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

    android:layout_width="match_parent"

    android:layout_height="match_parent"

    android:orientation="vertical"

    android:background="@drawable/cloud01" >

    <EditText

        android:id="@+id/editText1"

        android:layout_width="match_parent"

        android:layout_height="wrap_content" >

    </EditText>

    <LinearLayout

        android:id="@+id/linearLayout1"

        android:layout_width="match_parent"

        android:layout_height="wrap_content" >

        <Button

            android:id="@+id/editBtn"

            android:layout_width="90dp"

            android:layout_height="wrap_content"

            android:layout_marginLeft="10dp"

            android:layout_marginRight="5dp"

            android:text="修改" />

        <Button

            android:id="@+id/doneBtn"

            android:layout_width="90dp"

            android:layout_height="wrap_content"

            android:layout_marginLeft="10dp"

            android:layout_marginRight="5dp"

            android:text="完成" />

        

        <Button

            android:id="@+id/clearBtn"

            android:layout_width="90dp"

            android:layout_height="wrap_content"

            android:layout_marginLeft="10dp"

            android:layout_marginRight="5dp"

            android:text="清除" />

    </LinearLayout>

    <TextView

        android:id="@+id/clickedText"

        android:layout_width="fill_parent"

        android:layout_height="wrap_content"

        android:text="TextView"

        android:background="#987766"

        android:layout_marginLeft="10dp"

        android:layout_marginRight="10dp"

        android:layout_marginTop="10dp"

        android:paddingLeft="5dp"

        android:textSize = "25dp"

        android:textColor = "#FFFFFF"

        android:gravity="center" />

    <LinearLayout

        android:id="@+id/linearLayout2"

        android:layout_width="match_parent"

        android:layout_height="wrap_content" >

        <Button

            android:id="@+id/playBtn"

            android:layout_width="90dp"

            android:layout_height="wrap_content"

            android:layout_marginLeft="10dp"

            android:layout_marginRight="10dp"

            android:layout_marginTop="10dp"

            android:text="播放" />

    </LinearLayout>

</LinearLayout>

******************************************************

res/layout/voice_recognition.xml:

<?xml version="1.0" encoding="utf-8"?>

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

    android:layout_width="match_parent"

    android:layout_height="match_parent"

    android:orientation="vertical" >

    <TextView

        android:id="@+id/textView1"

        android:layout_width="fill_parent"

        android:layout_height="wrap_content"

        android:paddingBottom="4dip"

        android:text="按下按鈕，開始說話！！！" />

    <Button

        android:id="@+id/bVoice"

        android:layout_width="fill_parent"

        android:layout_height="wrap_content"

        android:onClick="speakButtonClicked"

        android:text="按  我!" />

    <TextView

        android:id="@+id/resultTV"

        android:layout_width="fill_parent"

        android:layout_height="wrap_content"

        android:paddingBottom="4dip"

        android:background="#987766"

        android:text="選擇的字句 :"

        android:textSize = "18dp" />

  

    <ListView

        android:id="@+id/listView1"

        android:layout_width="fill_parent"

        android:layout_height="0dip"

        android:layout_weight="1"

        android:layout_marginTop="5dp" >

    </ListView>

    

</LinearLayout>

VideoView

影片

public class Cq_VideoViewActivity extends Activity {
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
     
        VideoView videoview = (VideoView)findViewById(R.id.videoView1);
        videoview.setVideoPath("/sdcard/external_sd/GirlWePursued.m4v");
        MediaController mc = new MediaController(this);
        videoview.setMediaController(mc);
        videoview.requestFocus();
        videoview.start();
    }
}

*********************************************
res/layout/main.xml


<?xml version="1.0" encoding="utf-8"?>
<TableLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:id="@+id/TableLayout01"
    android:gravity="center" >

    <VideoView
        android:id="@+id/videoView1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content" />

</TableLayout>

TextToSpeech

public final class Cq_TextToSpeechActivity extends Activity implements OnInitListener,OnClickListener, android.view.View.OnClickListener{
    /** Called when the activity is first created. */
private TextToSpeech tts;

    @Override
    public void onCreate(final Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
     
        tts = new TextToSpeech(getApplicationContext(), this);
        Button button = (Button)findViewById(R.id.button1);
        button.setOnClickListener(this);
    }

 
  //關閉
@Override
protected void onDestroy() {
// TODO Auto-generated method stub
super.onDestroy();
tts.shutdown();
}



//開始
@Override
public void onInit(int status) {
// TODO Auto-generated method stub
if (status == TextToSpeech.SUCCESS){
tts.speak("I'm ready!", TextToSpeech.QUEUE_FLUSH, null);
}else{
System.out.println("Oops!");
}
}

//處理TextToSpeech
public void onClick(final View v) {
// TODO Auto-generated method stub
TextView TextView01 = (TextView)findViewById(R.id.editText1);
tts.speak(TextView01.getText().toString(), TextToSpeech.QUEUE_FLUSH, null);
}


@Override
public void onClick(DialogInterface dialog, int which) {
// TODO Auto-generated method stub
TextView TextView01 = (TextView)findViewById(R.id.editText1);
tts.speak(TextView01.getText().toString(), TextToSpeech.QUEUE_FLUSH, null);
}
}

*******************************

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:orientation="vertical" >

    <Button
        android:id="@+id/button1"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:text="Talk" />

    <EditText
        android:id="@+id/editText1"
        android:layout_width="fill_parent"
        android:layout_height="fill_parent"
        android:layout_gravity="top"
        android:text="I love Ta ta because she is cute, gorgeous, charming and intelligent. If you don't believe me, you may dial 0961234567. And ask for Ta ta Chen. You're going to love her.
        The following message is brought by CQ Corporation.">
     

    </EditText>

</LinearLayout>

ListActivity & ExpandableListView

ListActivity (Multiple Choice + Single Choice + Header/Footer)

Multiple Choice:

public class Cq_MyListActivityMultipleChoice extends ListActivity {

    /** Called when the activity is first created. */

    @Override

    public void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        //setContentView(R.layout.main);

        

        

        String [] values1 = new String []{"蘋果", "香吉士", "奇異果", "西洋梨", "西瓜", "哈密瓜", "葡萄", "杏子", "琵琶", "甘蔗", "龍眼", "荔枝", "橘子", "榴槤", "火龍果", "柚子", "小紅苺", "紅毛丹", "柿子", "楊桃"};

        ArrayAdapter<String> adapter = new ArrayAdapter<String>(this, android.R.layout.simple_list_item_multiple_choice, values1); 

        setListAdapter(adapter);

        

        ListView listview = getListView();

        listview.setChoiceMode(ListView.CHOICE_MODE_MULTIPLE);

        

    }

}

********************************************

Single-Choice:

public class Cq_MyListActivitySingleChoice extends ListActivity {

    /** Called when the activity is first created. */

    @Override

    public void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        //setContentView(R.layout.main);

        

        

        String [] values1 = new String []{"蘋果", "香吉士", "奇異果", "西洋梨", "西瓜", "哈密瓜", "葡萄", "杏子", "琵琶", "甘蔗", "龍眼", "荔枝", "橘子", "榴槤", "火龍果", "柚子", "小紅苺", "紅毛丹", "柿子", "楊桃"};

        ArrayAdapter<String> adapter = new ArrayAdapter<String>(this, android.R.layout.simple_list_item_single_choice, values1); 

        setListAdapter(adapter);

        

        ListView listview = getListView();

        listview.setChoiceMode(ListView.CHOICE_MODE_SINGLE);

        

    }

}

*******************************************

FOOTER & HEADER:

//Footer and Header A

        ListView listview = getListView();

        View header = getLayoutInflater().inflate(R.layout.header, null);

        View footer = getLayoutInflater().inflate(R.layout.footer, null);

TextView textview1 = (TextView)header.findViewById(R.id.headerTextView01);

textview1.setText(getEvent + " :   ");

TextView textview2 = (TextView)header.findViewById(R.id.headerTextView02);

textview2.setText(Integer.toString(str1.length) + " events");

        listview.addHeaderView(header);

        listview.addFooterView(footer);

        ArrayAdapter<String> adapter = new ArrayAdapter<String>(this, android.R.layout.simple_list_item_single_choice, android.R.id.text1, values1);

        listview.setChoiceMode(ListView.CHOICE_MODE_SINGLE);

        setListAdapter(adapter);

************************************************
//Footer and Header B
如果用的是 ExpandableListActivity

//Set Header

        ListView listview = getExpandableListView();

        View header = getLayoutInflater().inflate(R.layout.mainheader, null);

        ImageView iconimg = (ImageView)header.findViewById(R.id.iconImage);

        TextView headertv1 = (TextView)header.findViewById(R.id.headerTextView01);

        TextView headertv2 = (TextView)header.findViewById(R.id.headerTextView02);

        iconimg.setImageResource(R.drawable.airplane1);

       

        headertv1.setText("旅遊英語實用會話");

        headertv2.setText("English Phrasal Books for Tourists");

        listview.addHeaderView(header);

        

        //Set Adapter

        mAdapter = new MyExpandableListAdapter(this);

        setListAdapter(mAdapter);

        

***********************************************

//example 2: Create a customized Header in a ListView under ListActivity      

ListView listview = getListView();

View header = getLayoutInflater().inflate(R.layout.header, null);

//取得 headerlayout.xml 裡的物件

TextView textview1 = (TextView)header.findViewById(R.id.headerTextView01);

TextView textview2 = (TextView)header.findViewById(R.id.headerTextView02);

textview1.setText(getEvent + " :   ");

textview2.setText(Integer.toString(str1.length) + " events");

listview.addHeaderView(header);

ArrayAdapter<String> adapter = new EventAdapter(this, str1, str2);

setListAdapter(adapter);

*************

附上：Customized    headerlayout.xml

<?xml version="1.0" encoding="utf-8"?>

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"

    android:layout_width="match_parent"

    android:layout_height="wrap_content"

     >

          <TextView

            android:id="@+id/headerTextView01"

            android:layout_width="wrap_content"

            android:layout_height="wrap_content"

            android:layout_alignParentLeft="true"

            android:layout_marginLeft="5px"

            android:layout_marginRight="10px"

            android:layout_marginTop="1px"

            android:text="運動" 

            android:textSize = "20dp"

            android:textColor="@color/lime"/>

        <TextView

            android:id="@+id/headerTextView02"

            android:layout_width="wrap_content"

            android:layout_height="wrap_content"

            android:layout_alignParentRight="true"

            android:layout_marginLeft="1px"

            android:layout_marginRight="2px"

            android:layout_marginTop="1px"

            android:layout_toRightOf="@+id/headerTextView01"

            android:text="項目"

            android:textSize = "20dp"

            android:textColor="@color/lime"/>

</RelativeLayout>