TextView tv; Drawable icon; Bitmap b = Bitmap.createScaledBitmap(((BitmapDrawable) icon).getBitmap(), 120, 120, false); icon = new BitmapDrawable(b); icon.setBounds(0, 0, icon.getIntrinsicWidth(), icon.getIntrinsicHeight()); tv.setTextSize(12); tv.setGravity(Gravity.CENTER); tv.setCompoundDrawables(icon, null, null, null);
//// mActivity.java Messenger mService = null; boolean bindService = false; class IncomingHandler extends Handler { @Override public void handleMessage(Message msg) { } } final Messenger mMessenger = new Messenger(new IncomingHandler()); private ServiceConnection mConnection = new ServiceConnection() { public void onServiceConnected(ComponentName className, IBinder service) { mService = new Messenger(service); try { Message msg = Message.obtain(null, MessengerService.MSG_REGISTER_CLIENT); msg.replyTo = mMessenger; mService.send(msg); } catch (RemoteException e) { } } public void onServiceDisconnected(ComponentName className) { mService = null; } }; void doBindService() { // Establish a connection with the service. We use an explicit // class name because there is no reason to be able to let other // applications replace our component. bindService = getApplicationContext().bindService(new Intent(mActivity.this, MessengerService.class), mConnection, Context.BIND_AUTO_CREATE); } void doUnbindService() { if (bindService) { // If we have received the service, and hence registered with it, then now is the time to unregister. if (mService != null) { try { Message msg = Message.obtain(null, MessengerService.MSG_UNREGISTER_CLIENT); msg.replyTo = mMessenger; mService.send(msg); } catch (RemoteException e) { // There is nothing special we need to do if the service has crashed. } } // Detach our existing connection. getApplicationContext().unbindService(mConnection); bindService = false; } } ////MessengerService.java
/**
* Command to the service to register a client, receiving callbacks
* from the service. The Message's replyTo field must be a Messenger of
* the client where callbacks should be sent.
*/
public final static int MSG_REGISTER_CLIENT = 1;
/**
* Command to the service to unregister a client, ot stop receiving callbacks
* from the service. The Message's replyTo field must be a Messenger of
* the client as previously given with MSG_REGISTER_CLIENT.
*/
public final static int MSG_UNREGISTER_CLIENT = 2;
/**
* Command to service to set a new value. This can be sent to the
* service to supply a new value, and will be sent by the service to
* any registered clients with the new value.
*/
static final int MSG_SET_VALUE = 3;
ArrayList<Messenger> mClients = new ArrayList<Messenger>();
private final Messenger mMessenger = new Messenger(new IncomingHandler());
private class IncomingHandler extends Handler {
@Override
public void handleMessage(Message msg) {
switch (msg.what) {
case MSG_REGISTER_CLIENT:
mClients.add(msg.replyTo);
break;
case MSG_UNREGISTER_CLIENT:
mClients.remove(msg.replyTo);
break;
}
}
}
@Override
public IBinder onBind(Intent intent) {
return mMessenger.getBinder();
}
/**
* Send Message to Clients.
* @param msg Message
*/
private void sendMessageToClients(Message msg) {
for (int i = mClients.size() - 1; i >= 0; i--) {
try {
// send a message to mClients.
// you may have handle this massage from IncomingHandler at any Activity
mClients.get(i).send(msg);
} catch (RemoteException e) {
// The client is dead. Remove it from the list;
// we are going through the list from back to front
// so this is safe to do inside the loop.
mClients.remove(i);
}
}
}
PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE); PowerManager.WakeLock wl = pm.newWakeLock(PowerManager.ACQUIRE_CAUSES_WAKEUP | PowerManager.SCREEN_BRIGHT_WAKE_LOCK, "screen"); wl.acquire(); // ..screen will stay on during this section.. //wl.release();
1.
class mThread extends Thread { @Override public void run() { } } mThread t = new mThread(); t.start();
2.
Thread thread = new Thread(){
@Override
public void run() {
// TODO Auto-generated method stub
}
};
// 타미어 테스크 정의 TimerTask mTask = new TimerTask() { @Override public void run() { // do something!! } }; // 사용 Timer mTimer = new Timer(); mTimer.schedule(mTask, WHEN, PERIOD);
public class mReceiver extends BroadcastReceiver { @Override public void onReceive(Context context, Intent intent) { if (intent.getAction().equals(Intent.ACTION_BOOT_COMPLETED)) { Log.d("tag", "boot ok"); Intent i = new Intent(context, sampleActivity.class); i.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK); context.startActivity(i); } } }Need Uses Permission : android.permission.RECEIVE_BOOT_COMPLETED
// 영문 + 숫자 public InputFilter filterAlphaNum = new InputFilter() { public CharSequence filter(CharSequence source, int start, int end, Spanned dest, int dstart, int dend) { Pattern ps = Pattern.compile("^[a-zA-Z0-9]*$"); if (!ps.matcher(source).matches()) { return ""; } return null; } }; // 한글 public InputFilter filterKor = new InputFilter() { public CharSequence filter(CharSequence source, int start, int end, Spanned dest, int dstart, int dend) { Pattern ps = Pattern.compile("^[ㄱ-ㅣ가-힣]*$"); if (!ps.matcher(source).matches()) { return ""; } return null; } }; editText.setFilters(new InputFilter[]{filterAlphaNum});
ArrayList<PackageInfo> packages = new ArrayList<PackageInfo>(); PackageManager pm; void getPackeges() { pm = (PackageManager) this.getPackageManager(); List<PackageInfo> allPackages = pm.getInstalledPackages(PackageManager.GET_PERMISSIONS); for (int i = 0; i < allPackages.size(); i++) if (!isSystemApplication(allPackages.get(i))) packages.add(allPackages.get(i)); } boolean isSystemApplication(PackageInfo packinfo) { return (packinfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0 ? true : false; }
Uri uri = Uri.fromParts("package", packageName, null); Intent i = new Intent(Intent.ACTION_DELETE, uri); startActivity(i);
Uri uri= Uri.fromParts("package", packageName , null); Intent i = new Intent(Intent.ACTION_PACKAGE_ADDED, uri); startActivity(i);
button.setOnTouchListener(new OnTouchListener() { @Override public boolean onTouch(View v, MotionEvent event) { float x = event.getX(); float y = event.getY(); switch (event.getAction()) { case MotionEvent.ACTION_DOWN: break; case MotionEvent.ACTION_UP: } return pressed; } });
public void screenshot(View view) throws Exception {
view.setDrawingCacheEnabled(true);
Bitmap screenshot = Bitmap.createBitmap(view.getDrawingCache());
view.setDrawingCacheEnabled(false);
if (screenshot == null) {
Log.e("screencast", "error : could not get drawing cache...");
return;
}
File dir = Environment.getExternalStorageDirectory();
String baseName = "screencast";
String extention = ".jpg";
String filename = baseName + extention;
try {
File f = new File(dir, filename);
f.createNewFile();
OutputStream outStream = new FileOutputStream(f);
screenshot.compress(Bitmap.CompressFormat.JPEG, 80, outStream);
outStream.flush();
outStream.close();
Log.d("screencast", "captured to " + f.getPath() + "(" + f.length() + "byte)");
} catch (IOException e) {
e.printStackTrace();
}
}
Intent i = new Intent(currentActivity.this, targetActivity.class); startActivity(i); Intent i = new Intent(currentActivity.this, targetService.class); startService(i);
button.setOnClickListener(new OnClickListener() { public void onClick(View v) {
} });
private ArrayList<String> getLocalIPAddressList() { ArrayList<String> mAddress = new ArrayList<String>(); try { for (Enumeration<NetworkInterface> en = NetworkInterface.getNetworkInterfaces(); en.hasMoreElements();) { NetworkInterface intf = en.nextElement(); for (Enumeration<InetAddress> enumIpAddr = intf.getInetAddresses(); enumIpAddr.hasMoreElements();) { InetAddress inetAddress = enumIpAddr.nextElement(); if (!inetAddress.isLoopbackAddress() && (inetAddress instanceof Inet4Address)) { mAddress.add(inetAddress.getHostAddress().toString()); } } } } catch (SocketException e) { Log.e(TAG, "Fail to get IP Address : " + e); } return mAddress; }