Java tutorial
/* KeyEventProfileActivity.java Copyright (c) 2015 NTT DOCOMO,INC. Released under the MIT license http://opensource.org/licenses/mit-license.php */ package org.deviceconnect.android.deviceplugin.host.activity; import java.util.List; import org.deviceconnect.android.deviceplugin.host.HostDeviceApplication; import org.deviceconnect.android.deviceplugin.host.R; import org.deviceconnect.android.deviceplugin.host.profile.HostKeyEventProfile; import org.deviceconnect.android.event.Event; import org.deviceconnect.android.event.EventManager; import org.deviceconnect.android.profile.KeyEventProfile; import org.deviceconnect.message.DConnectMessage; import org.deviceconnect.profile.KeyEventProfileConstants; import android.app.Activity; import android.content.BroadcastReceiver; import android.content.Context; import android.content.Intent; import android.content.IntentFilter; import android.os.Bundle; import android.support.v4.content.LocalBroadcastManager; import android.view.KeyEvent; import android.view.MotionEvent; import android.view.View; import android.view.View.OnTouchListener; import android.widget.RadioButton; import android.widget.RadioGroup; import android.widget.RadioGroup.OnCheckedChangeListener; import static org.deviceconnect.android.deviceplugin.host.HostDeviceApplication.STATE_DOWN; import static org.deviceconnect.android.deviceplugin.host.HostDeviceApplication.STATE_UP; /** * Key Event Profile Activity. * * @author NTT DOCOMO, INC. */ public class KeyEventProfileActivity extends Activity implements OnTouchListener, OnCheckedChangeListener { /** Application class instance. */ private HostDeviceApplication mApp; /** Service Id. */ String mServiceId; /** Key Mode. */ KeyMode mKeyMode; /** enum:Key Mode. */ public enum KeyMode { /** Standard Keyboard. */ STD_KEY, /** Media Control. */ MEDIA_CTRL, /** Directional Pad / Button. */ DPAD_BUTTON, /** User defined. */ USER; } /** Configure (Standard Keyboard). */ String[] mConfigStdKey = { "0", "1", "2", "3", "4", "5", "6", "7", "8", "9", ".", "Enter" }; /** Configure (Media Control). */ String[] mConfigMediaCtrl = { "stop", "previous", "pause", "next", "", "", "", "", "", "", "", "play" }; /** Configure (Directional Pad). */ String[] mConfigDpad = { "", "", "down", "", "left", "center", "right", "", "up", "", "", "" }; /** Configure (User defined). */ String[] mConfigUser = { "", "", "", "", "", "", "", "", "", "", "USER_CANCEL", "USER_OK" }; /** * Implementation of BroadcastReceiver. */ private final BroadcastReceiver mReceiver = new BroadcastReceiver() { @Override public void onReceive(final Context context, final Intent intent) { String action = intent.getAction(); if (HostKeyEventProfile.ACTION_FINISH_KEYEVENT_ACTIVITY.equals(action)) { finish(); } } }; @Override protected void onCreate(final Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.keyevent_main); // Get Application class instance. mApp = (HostDeviceApplication) this.getApplication(); // Set button touchlistener. (Ten Key Emulated) findViewById(R.id.button_0).setOnTouchListener(this); findViewById(R.id.button_1).setOnTouchListener(this); findViewById(R.id.button_2).setOnTouchListener(this); findViewById(R.id.button_3).setOnTouchListener(this); findViewById(R.id.button_4).setOnTouchListener(this); findViewById(R.id.button_5).setOnTouchListener(this); findViewById(R.id.button_6).setOnTouchListener(this); findViewById(R.id.button_7).setOnTouchListener(this); findViewById(R.id.button_8).setOnTouchListener(this); findViewById(R.id.button_9).setOnTouchListener(this); findViewById(R.id.button_dot).setOnTouchListener(this); findViewById(R.id.button_enter).setOnTouchListener(this); findViewById(R.id.button_keyevent_close).setOnTouchListener(this); RadioGroup radioGroup = (RadioGroup) findViewById(R.id.RadioGroup); // Set default select radio button. radioGroup.check(R.id.radioButton1); mKeyMode = KeyMode.STD_KEY; // set radiogroup changelistener radioGroup.setOnCheckedChangeListener(this); // Get serviceId. Intent intent = getIntent(); mServiceId = intent.getStringExtra(DConnectMessage.EXTRA_SERVICE_ID); } @Override public boolean onTouch(final View v, final MotionEvent event) { int action = event.getAction(); // Emulate ten key down/up event. switch (action) { case MotionEvent.ACTION_DOWN: case MotionEvent.ACTION_UP: KeyEvent keyevent = null; int i = v.getId(); if (i == R.id.button_0) { keyevent = new KeyEvent(action, KeyEvent.KEYCODE_NUMPAD_0); } else if (i == R.id.button_1) { keyevent = new KeyEvent(action, KeyEvent.KEYCODE_NUMPAD_1); } else if (i == R.id.button_2) { keyevent = new KeyEvent(action, KeyEvent.KEYCODE_NUMPAD_2); } else if (i == R.id.button_3) { keyevent = new KeyEvent(action, KeyEvent.KEYCODE_NUMPAD_3); } else if (i == R.id.button_4) { keyevent = new KeyEvent(action, KeyEvent.KEYCODE_NUMPAD_4); } else if (i == R.id.button_5) { keyevent = new KeyEvent(action, KeyEvent.KEYCODE_NUMPAD_5); } else if (i == R.id.button_6) { keyevent = new KeyEvent(action, KeyEvent.KEYCODE_NUMPAD_6); } else if (i == R.id.button_7) { keyevent = new KeyEvent(action, KeyEvent.KEYCODE_NUMPAD_7); } else if (i == R.id.button_8) { keyevent = new KeyEvent(action, KeyEvent.KEYCODE_NUMPAD_8); } else if (i == R.id.button_9) { keyevent = new KeyEvent(action, KeyEvent.KEYCODE_NUMPAD_9); } else if (i == R.id.button_dot) { keyevent = new KeyEvent(action, KeyEvent.KEYCODE_NUMPAD_DOT); } else if (i == R.id.button_enter) { keyevent = new KeyEvent(action, KeyEvent.KEYCODE_NUMPAD_ENTER); } else if (i == R.id.button_keyevent_close) { finish(); } if (keyevent != null) { dispatchKeyEvent(keyevent); } break; default: break; } return false; } @Override public void onCheckedChanged(final RadioGroup group, final int checkedId) { RadioButton radioButton = (RadioButton) findViewById(checkedId); // Change key mode. int i = radioButton.getId(); if (i == R.id.radioButton1) { mKeyMode = KeyMode.STD_KEY; } else if (i == R.id.radioButton2) { mKeyMode = KeyMode.MEDIA_CTRL; } else if (i == R.id.radioButton3) { mKeyMode = KeyMode.DPAD_BUTTON; } else if (i == R.id.radioButton4) { mKeyMode = KeyMode.USER; } } @Override protected void onDestroy() { super.onDestroy(); } @Override protected void onPause() { super.onPause(); LocalBroadcastManager.getInstance(this).unregisterReceiver(mReceiver); } @Override protected void onResume() { super.onResume(); IntentFilter filter = new IntentFilter(); filter.addAction(HostKeyEventProfile.ACTION_FINISH_KEYEVENT_ACTIVITY); LocalBroadcastManager.getInstance(this).registerReceiver(mReceiver, filter); } @Override public boolean dispatchKeyEvent(final KeyEvent event) { return super.dispatchKeyEvent(event); } @Override public boolean onKeyDown(final int keyCode, final KeyEvent event) { // "ondown" event processing. List<Event> events = EventManager.INSTANCE.getEventList(mServiceId, KeyEventProfile.PROFILE_NAME, null, KeyEventProfile.ATTRIBUTE_ON_DOWN); sendEventData(STATE_DOWN, keyCode, events); return super.onKeyDown(keyCode, event); } @Override public boolean onKeyUp(final int keyCode, final KeyEvent event) { // "onup" event processing. List<Event> events = EventManager.INSTANCE.getEventList(mServiceId, KeyEventProfile.PROFILE_NAME, null, KeyEventProfile.ATTRIBUTE_ON_UP); sendEventData(STATE_UP, keyCode, events); return super.onKeyUp(keyCode, event); } /** * Send event data. * * @param state Key state. * @param keycode key Code. * @param events Event request list. */ private void sendEventData(final String state, final int keycode, final List<Event> events) { List<Event> changeEvents = EventManager.INSTANCE.getEventList(mServiceId, KeyEventProfile.PROFILE_NAME, null, HostKeyEventProfile.ATTRIBUTE_ON_KEY_CHANGE); Bundle keyevent = new Bundle(); int keyId = keycode; String keyConfig = ""; // Get configure string. keyConfig = getConfig(mKeyMode, keyId); // Set key type. switch (mKeyMode) { case MEDIA_CTRL: keyId += KeyEventProfileConstants.KEYTYPE_MEDIA_CTRL; break; case DPAD_BUTTON: keyId += KeyEventProfileConstants.KEYTYPE_DPAD_BUTTON; break; case USER: keyId += KeyEventProfileConstants.KEYTYPE_USER; break; case STD_KEY: default: keyId += KeyEventProfileConstants.KEYTYPE_STD_KEY; break; } keyevent.putInt(KeyEventProfile.PARAM_ID, keyId); keyevent.putString(KeyEventProfile.PARAM_CONFIG, keyConfig); for (int i = 0; i < events.size(); i++) { Event eventdata = events.get(i); String attr = eventdata.getAttribute(); Intent intent = EventManager.createEventMessage(eventdata); intent.putExtra(KeyEventProfile.PARAM_KEYEVENT, keyevent); intent.setAction(HostKeyEventProfile.ACTION_KEYEVENT); LocalBroadcastManager.getInstance(this).sendBroadcast(intent); mApp.setKeyEventCache(attr, keyevent); } for (int i = 0; i < changeEvents.size(); i++) { Event eventdata = changeEvents.get(i); String attr = eventdata.getAttribute(); Intent intent = EventManager.createEventMessage(eventdata); keyevent.putString("state", state); intent.putExtra(KeyEventProfile.PARAM_KEYEVENT, keyevent); intent.setAction(HostKeyEventProfile.ACTION_KEYEVENT); LocalBroadcastManager.getInstance(this).sendBroadcast(intent); mApp.setKeyEventCache(attr, keyevent); } } /** * Get Configure string. * * @param keymode Key Mode. * @param keyId Key ID. * @return config Configure string. */ private String getConfig(final KeyMode keymode, final int keyId) { String config = ""; int nIndex = -1; switch (keyId) { case KeyEvent.KEYCODE_NUMPAD_0: nIndex = 0; break; case KeyEvent.KEYCODE_NUMPAD_1: nIndex = 1; break; case KeyEvent.KEYCODE_NUMPAD_2: nIndex = 2; break; case KeyEvent.KEYCODE_NUMPAD_3: nIndex = 3; break; case KeyEvent.KEYCODE_NUMPAD_4: nIndex = 4; break; case KeyEvent.KEYCODE_NUMPAD_5: nIndex = 5; break; case KeyEvent.KEYCODE_NUMPAD_6: nIndex = 6; break; case KeyEvent.KEYCODE_NUMPAD_7: nIndex = 7; break; case KeyEvent.KEYCODE_NUMPAD_8: nIndex = 8; break; case KeyEvent.KEYCODE_NUMPAD_9: nIndex = 9; break; case KeyEvent.KEYCODE_NUMPAD_DOT: nIndex = 10; break; case KeyEvent.KEYCODE_NUMPAD_ENTER: nIndex = 11; break; default: nIndex = -1; break; } if (nIndex != -1) { switch (mKeyMode) { case MEDIA_CTRL: config = mConfigMediaCtrl[nIndex]; break; case DPAD_BUTTON: config = mConfigDpad[nIndex]; break; case USER: config = mConfigUser[nIndex]; break; case STD_KEY: default: config = mConfigStdKey[nIndex]; break; } } else { config = ""; } return config; } }