Compressing converting a bitmap to PNG format Android example
public class MainActivity extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(new SampleView(this));
}
private static Bitmap codec(Bitmap src, Bitmap.CompressFormat format,
int quality) {
ByteArrayOutputStream os = new ByteArrayOutputStream();
src.compress(format, quality, os);
byte[] array = os.toByteArray();
return BitmapFactory.decodeByteArray(array, 0, array.length);
}
private static class SampleView extends View {
// CONSTRUCTOR
public SampleView(Context context) {
super(context);
setFocusable(true);
}
@Override
protected void onDraw(Canvas canvas) {
Paint paint = new Paint();
canvas.drawColor(Color.YELLOW);
Bitmap bmp = BitmapFactory.decodeResource(getResources(), R.drawable.flower_blue);
Bitmap bPNGcompress = codec(bmp, Bitmap.CompressFormat.PNG, 0);
int h = bmp.getHeight();
canvas.drawBitmap(bmp, 10,10, paint);
canvas.drawBitmap(bPNGcompress, 10,10 + h + 10, paint);
}
}
}
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Android development example source code
Get supported language:
// import
import android.speech.tts.TextToSpeech;
import android.speech.tts.TextToSpeech.OnInitListener;
// you have to add implementation
public class Main extends Activity implements TextToSpeech.OnInitListener {
private int _langTTSavailable = -1; // set up in onInit method
// declaration
private TextToSpeech mTts;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
// assigned handle - initialisation
mTts = new TextToSpeech(this,
(OnInitListener) this // TextToSpeech.OnInitListener
);
}
// Implements TextToSpeech.OnInitListener.
public void onInit(int status) {
if (status == TextToSpeech.SUCCESS) {
// Set preferred language to US english.
_langTTSavailable = mTts.setLanguage(Locale.US); // Locale.FRANCE etc.
if (_langTTSavailable == TextToSpeech.LANG_MISSING_DATA ||
_langTTSavailable == TextToSpeech.LANG_NOT_SUPPORTED) {
} else if ( _langTTSavailable >= 0) {
mTts.speak("Good morning",
TextToSpeech.QUEUE_FLUSH, // Drop all pending entries in the playback queue.
null);
}
} else {
// Initialization failed.
}
}
@Override
public void onDestroy() {
// TTS shutdown!
if (mTts != null) {
mTts.stop();
mTts.shutdown();
}
super.onDestroy();
}
}
Get supported language:
private TextToSpeech mTts;
// public void onInit(int status){
int result;
String s;
result = mTts.setLanguage( Locale. CANADA ); if (result == TextToSpeech.LANG_MISSING_DATA ||result == TextToSpeech.LANG_NOT_SUPPORTED) {s += " CANADA not supported<br>" ;}else{s+=" CANADA supported<br>";}
result = mTts.setLanguage( Locale. CANADA_FRENCH ); if (result == TextToSpeech.LANG_MISSING_DATA ||result == TextToSpeech.LANG_NOT_SUPPORTED) {s += " CANADA_FRENCH not supported<br>" ;}else{s+=" CANADA_FRENCH supported<br>";}
result = mTts.setLanguage( Locale. CHINA ); if (result == TextToSpeech.LANG_MISSING_DATA ||result == TextToSpeech.LANG_NOT_SUPPORTED) {s += " CHINA not supported<br>" ;}else{s+=" CHINA supported<br>";}
result = mTts.setLanguage( Locale. CHINESE ); if (result == TextToSpeech.LANG_MISSING_DATA ||result == TextToSpeech.LANG_NOT_SUPPORTED) {s += " CHINESE not supported<br>" ;}else{s+=" CHINESE supported<br>";}
result = mTts.setLanguage( Locale. ENGLISH ); if (result == TextToSpeech.LANG_MISSING_DATA ||result == TextToSpeech.LANG_NOT_SUPPORTED) {s += " ENGLISH not supported<br>" ;}else{s+=" ENGLISH supported<br>";}
result = mTts.setLanguage( Locale. FRANCE ); if (result == TextToSpeech.LANG_MISSING_DATA ||result == TextToSpeech.LANG_NOT_SUPPORTED) {s += " FRANCE not supported<br>" ;}else{s+=" FRANCE supported<br>";}
result = mTts.setLanguage( Locale. FRENCH ); if (result == TextToSpeech.LANG_MISSING_DATA ||result == TextToSpeech.LANG_NOT_SUPPORTED) {s += " FRENCH not supported<br>" ;}else{s+=" FRENCH supported<br>";}
result = mTts.setLanguage( Locale. GERMAN ); if (result == TextToSpeech.LANG_MISSING_DATA ||result == TextToSpeech.LANG_NOT_SUPPORTED) {s += " GERMAN not supported<br>" ;}else{s+=" GERMAN supported<br>";}
result = mTts.setLanguage( Locale. GERMANY ); if (result == TextToSpeech.LANG_MISSING_DATA ||result == TextToSpeech.LANG_NOT_SUPPORTED) {s += " GERMANY not supported<br>" ;}else{s+=" GERMANY supported<br>";}
result = mTts.setLanguage( Locale. ITALIAN ); if (result == TextToSpeech.LANG_MISSING_DATA ||result == TextToSpeech.LANG_NOT_SUPPORTED) {s += " ITALIAN not supported<br>" ;}else{s+=" ITALIAN supported<br>";}
result = mTts.setLanguage( Locale. ITALY ); if (result == TextToSpeech.LANG_MISSING_DATA ||result == TextToSpeech.LANG_NOT_SUPPORTED) {s += " ITALY not supported<br>" ;}else{s+=" ITALY supported<br>";}
result = mTts.setLanguage( Locale. JAPAN ); if (result == TextToSpeech.LANG_MISSING_DATA ||result == TextToSpeech.LANG_NOT_SUPPORTED) {s += " JAPAN not supported<br>" ;}else{s+=" JAPAN supported<br>";}
result = mTts.setLanguage( Locale. JAPANESE ); if (result == TextToSpeech.LANG_MISSING_DATA ||result == TextToSpeech.LANG_NOT_SUPPORTED) {s += " JAPANESE not supported<br>" ;}else{s+=" JAPANESE supported<br>";}
result = mTts.setLanguage( Locale. KOREA ); if (result == TextToSpeech.LANG_MISSING_DATA ||result == TextToSpeech.LANG_NOT_SUPPORTED) {s += " KOREA not supported<br>" ;}else{s+=" KOREA supported<br>";}
result = mTts.setLanguage( Locale. KOREAN ); if (result == TextToSpeech.LANG_MISSING_DATA ||result == TextToSpeech.LANG_NOT_SUPPORTED) {s += " KOREAN not supported<br>" ;}else{s+=" KOREAN supported<br>";}
result = mTts.setLanguage( Locale. PRC ); if (result == TextToSpeech.LANG_MISSING_DATA ||result == TextToSpeech.LANG_NOT_SUPPORTED) {s += " PRC not supported<br>" ;}else{s+=" PRC supported<br>";}
result = mTts.setLanguage( Locale. ROOT ); if (result == TextToSpeech.LANG_MISSING_DATA ||result == TextToSpeech.LANG_NOT_SUPPORTED) {s += " ROOT not supported<br>" ;}else{s+=" ROOT supported<br>";}
result = mTts.setLanguage( Locale. SIMPLIFIED_CHINESE ); if (result == TextToSpeech.LANG_MISSING_DATA ||result == TextToSpeech.LANG_NOT_SUPPORTED) {s += " SIMPLIFIED_CHINESE not supported<br>" ;}else{s+=" SIMPLIFIED_CHINESE supported<br>";}
result = mTts.setLanguage( Locale. TAIWAN ); if (result == TextToSpeech.LANG_MISSING_DATA ||result == TextToSpeech.LANG_NOT_SUPPORTED) {s += " TAIWAN not supported<br>" ;}else{s+=" TAIWAN supported<br>";}
result = mTts.setLanguage( Locale. TRADITIONAL_CHINESE ); if (result == TextToSpeech.LANG_MISSING_DATA ||result == TextToSpeech.LANG_NOT_SUPPORTED) {s += " TRADITIONAL_CHINESE not supported<br>" ;}else{s+=" TRADITIONAL_CHINESE supported<br>";}
result = mTts.setLanguage( Locale. UK ); if (result == TextToSpeech.LANG_MISSING_DATA ||result == TextToSpeech.LANG_NOT_SUPPORTED) {s += " UK not supported<br>" ;}else{s+=" UK supported<br>";}
result = mTts.setLanguage( Locale. US ); if (result == TextToSpeech.LANG_MISSING_DATA ||result == TextToSpeech.LANG_NOT_SUPPORTED) {s += " US not supported<br>" ;}else{s+=" US supported<br>";}
Spinner _spin1 = (Spinner) findViewById(R.id.spinLangFirst);
ArrayAdapter<String> adapterJazyky = new ArrayAdapter<String>(this,
R.layout.spinner_text_layout.xml, {"one","two","etc...."});
adapterJazyky.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
_spin1.setAdapter(adapterJazyky);
spinner_text_layout.xml
<?xml version="1.0" encoding="utf-8"?>
<TextView xmlns:android="//schemas.android.com/apk/res/android"
android:id="@+id/spinnerText"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:textSize="20sp"
/>
Samsung Galaxy S II cena od 10 000 KCZ Kč (únor.2012).
Asi nejlepší smartphone (cena : vlastnosti) telefon s Androidem roku 2011.
Samsung Galaxy S II (GT-I9100) je chytrý telefon běžící na operačním systému Android, který byl představen firmou Samsung 13. února 2011.
Samsung Galaxy S II je (22.února2012) nejpoužívanějším chytrým telefonem u programu Sky Map viz tabulka.
Proč je Samsung Galaxy S2 tak oblíben?
Galaxy S II má 1.2 GHz dual-core "Exynos" procesor, 1 GB RAM, 10,8 cm WVGA AMOLED Super Plus displej a fotoaparát s 8 miliony pixelů i s bleskem a plné vysoké rozlišení 1080p nahrávání videa. Je to jedno z prvních zařízení, které nabízí mobilní high-definition Link (MHL), který umožňuje až 1080p nekomprimovaného obrazového výstupu HDMI. USB On-The-Go (USB OTG) je podporováno.
Vyměnitelná baterie na Galaxy S II vydrží až deset hodin při intenzivním používání, nebo dva dny lehčí provoz. Podle společnosti Samsung, Galaxy S II je schopen poskytovat 9 hodin hovoru v 3G a 18,3 hodin na 2G síti.
Samsung Galaxy S2 photo pic image
Zdroj obrázku: wikipedia
Asi nejlepší smartphone (cena : vlastnosti) telefon s Androidem roku 2011.
Samsung Galaxy S II (GT-I9100) je chytrý telefon běžící na operačním systému Android, který byl představen firmou Samsung 13. února 2011.
Samsung Galaxy S II je (22.února2012) nejpoužívanějším chytrým telefonem u programu Sky Map viz tabulka.
Proč je Samsung Galaxy S2 tak oblíben?
Galaxy S II má 1.2 GHz dual-core "Exynos" procesor, 1 GB RAM, 10,8 cm WVGA AMOLED Super Plus displej a fotoaparát s 8 miliony pixelů i s bleskem a plné vysoké rozlišení 1080p nahrávání videa. Je to jedno z prvních zařízení, které nabízí mobilní high-definition Link (MHL), který umožňuje až 1080p nekomprimovaného obrazového výstupu HDMI. USB On-The-Go (USB OTG) je podporováno.
Vyměnitelná baterie na Galaxy S II vydrží až deset hodin při intenzivním používání, nebo dva dny lehčí provoz. Podle společnosti Samsung, Galaxy S II je schopen poskytovat 9 hodin hovoru v 3G a 18,3 hodin na 2G síti.
Samsung Galaxy S2 photo pic image

Zdroj obrázku: wikipedia
public class Panel extends SurfaceView implements SurfaceHolder.Callback {
//............... code
//............... some code
/**
* Process the MotionEvent.
*/
@Override
public boolean onTouchEvent(MotionEvent event) {
synchronized (getHolder()) {
if (event.getAction() == MotionEvent.ACTION_DOWN) {
performClick();
} else if (event.getAction() == MotionEvent.ACTION_MOVE) {
if(_currentGraphic==null)return true;
} else if (event.getAction() == MotionEvent.ACTION_UP) {
}
return true;
}
}
/////////////////////////////
@Override
public boolean performClick() {
// Calls the super implementation, which generates an AccessibilityEvent
// and calls the onClick() listener on the view, if any
super.performClick();
// Handle the action for the custom click here
return true;
}
}
TimerTask with updating of TextView here
//android.okhelp.cz/asynctask-example-android-with-progressbar/
//android.okhelp.cz/timer-task-timertask-run-cancel-android-example/
package cz.okhelp.timer;
import java.util.Timer;
import java.util.TimerTask;
import android.app.Activity;
import android.os.Bundle;
import android.widget.TextView;
public class TimerActivity extends Activity {
TextView hTextView;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
hTextView = (TextView)findViewById(R.id.idTextView);
MyTimerTask myTask = new MyTimerTask();
Timer myTimer = new Timer();
// public void schedule (TimerTask task, long delay, long period)
// Schedule a task for repeated fixed-delay execution after a specific delay.
//
// Parameters
// task the task to schedule.
// delay amount of time in milliseconds before first execution.
// period amount of time in milliseconds between subsequent executions.
myTimer.schedule(myTask, 3000, 1500);
}
class MyTimerTask extends TimerTask {
public void run() {
// ERROR
hTextView.setText("Impossible");
// how update TextView in link below
// //android.okhelp.cz/timer-task-timertask-run-cancel-android-example/
System.out.println("");
}
}
}
//android.okhelp.cz/asynctask-example-android-with-progressbar/
//android.okhelp.cz/timer-task-timertask-run-cancel-android-example/
Editace: 2013-12-09 13:09:31
Počet článků v kategorii: 396
Url:compressing-converting-a-bitmap-to-png-format-android-example