Example usage for android.view KeyEvent KEYCODE_VOLUME_DOWN

Introduction

In this page you can find the example usage for android.view KeyEvent KEYCODE_VOLUME_DOWN.

Prototype

int KEYCODE_VOLUME_DOWN

To view the source code for android.view KeyEvent KEYCODE_VOLUME_DOWN.

Click Source Link

Document

Key code constant: Volume Down key.

Usage

From source file:uk.org.ngo.squeezer.dialog.TipsDialog.java

@Override
public boolean onKey(DialogInterface dialog, int keyCode, KeyEvent event) {
    switch (keyCode) {
    case KeyEvent.KEYCODE_VOLUME_UP:
    case KeyEvent.KEYCODE_VOLUME_DOWN:
        return getActivity().onKeyDown(keyCode, event);
    }// w ww .j  ava 2  s  . com

    return false;
}

---

From source file:com.google.android.car.kitchensink.input.InputTestFragment.java

@Nullable
@Override//from  w  w  w . j  av a2  s .  com
public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container,
        @Nullable Bundle savedInstanceState) {
    View view = inflater.inflate(R.layout.input_test, container, false);

    Collections.addAll(mButtons, BREAK_LINE, createButton(R.string.home, KeyEvent.KEYCODE_HOME),
            createButton(R.string.volume_up, KeyEvent.KEYCODE_VOLUME_UP),
            createButton(R.string.volume_down, KeyEvent.KEYCODE_VOLUME_DOWN),
            createButton(R.string.volume_mute, KeyEvent.KEYCODE_VOLUME_MUTE),
            createButton(R.string.voice, KeyEvent.KEYCODE_VOICE_ASSIST), BREAK_LINE,
            createButton(R.string.music, KeyEvent.KEYCODE_MUSIC),
            createButton(R.string.music_play, KeyEvent.KEYCODE_MEDIA_PLAY),
            createButton(R.string.music_stop, KeyEvent.KEYCODE_MEDIA_STOP),
            createButton(R.string.next_song, KeyEvent.KEYCODE_MEDIA_NEXT),
            createButton(R.string.prev_song, KeyEvent.KEYCODE_MEDIA_PREVIOUS),
            createButton(R.string.tune_right, KeyEvent.KEYCODE_CHANNEL_UP),
            createButton(R.string.tune_left, KeyEvent.KEYCODE_CHANNEL_DOWN), BREAK_LINE,
            createButton(R.string.call_send, KeyEvent.KEYCODE_CALL),
            createButton(R.string.call_end, KeyEvent.KEYCODE_ENDCALL));

    mCarEmulator = CarEmulator.create(getContext());
    addButtonsToPanel((LinearLayout) view.findViewById(R.id.input_buttons), mButtons);

    return view;
}

---

From source file:com.darly.im.ui.BaseFragment.java

/**
 * ?,??/*from w  w  w  .j  a  v  a  2s  .com*/
 * @param keyCode
 * @param event
 */
@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
    if ((event.getKeyCode() == KeyEvent.KEYCODE_VOLUME_UP) && mAudioManager != null) {
        int streamVolume = mAudioManager.getStreamVolume(AudioManager.STREAM_MUSIC);
        if (streamVolume >= mMusicMaxVolume) {
            LogUtil.d(LogUtil.getLogUtilsTag(BaseFragment.class), "has set the max volume");
            return true;
        }
        int mean = mMusicMaxVolume / 7;
        if (mean == 0) {
            mean = 1;
        }
        mAudioManager.setStreamVolume(AudioManager.STREAM_MUSIC, streamVolume + mean,
                AudioManager.FLAG_PLAY_SOUND | AudioManager.FLAG_SHOW_UI);
        return true;
    }
    if ((event.getKeyCode() == KeyEvent.KEYCODE_VOLUME_DOWN) && mAudioManager != null) {
        int streamVolume = mAudioManager.getStreamVolume(AudioManager.STREAM_MUSIC);
        int mean = mMusicMaxVolume / 7;
        if (mean == 0) {
            mean = 1;
        }
        mAudioManager.setStreamVolume(AudioManager.STREAM_MUSIC, streamVolume - mean,
                AudioManager.FLAG_PLAY_SOUND | AudioManager.FLAG_SHOW_UI);
        return true;
    }

    return super.onKeyDown(keyCode, event);
}

---

From source file:com.gao.im.ui.BaseFragment.java

/**
 * ?,??//from   ww  w  . j ava  2 s. c om
 * @param keyCode
 * @param event
 */
public boolean onKeyDown(int keyCode, KeyEvent event) {
    if ((event.getKeyCode() == KeyEvent.KEYCODE_VOLUME_UP) && mAudioManager != null) {
        int streamVolume = mAudioManager.getStreamVolume(AudioManager.STREAM_MUSIC);
        if (streamVolume >= mMusicMaxVolume) {
            LogUtil.d(LogUtil.getLogUtilsTag(BaseFragment.class), "has set the max volume");
            return true;
        }
        int mean = mMusicMaxVolume / 7;
        if (mean == 0) {
            mean = 1;
        }
        mAudioManager.setStreamVolume(AudioManager.STREAM_MUSIC, streamVolume + mean,
                AudioManager.FLAG_PLAY_SOUND | AudioManager.FLAG_SHOW_UI);
        return true;
    }
    if ((event.getKeyCode() == KeyEvent.KEYCODE_VOLUME_DOWN) && mAudioManager != null) {
        int streamVolume = mAudioManager.getStreamVolume(AudioManager.STREAM_MUSIC);
        int mean = mMusicMaxVolume / 7;
        if (mean == 0) {
            mean = 1;
        }
        mAudioManager.setStreamVolume(AudioManager.STREAM_MUSIC, streamVolume - mean,
                AudioManager.FLAG_PLAY_SOUND | AudioManager.FLAG_SHOW_UI);
        return true;
    }

    return super.onKeyDown(keyCode, event);
}

---

From source file:com.microsoft.mimickeralarm.globalsettings.AlarmGlobalSettingsActivity.java

@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
    if ((keyCode == KeyEvent.KEYCODE_VOLUME_DOWN) || (keyCode == KeyEvent.KEYCODE_VOLUME_UP)) {
        List<Fragment> fragments = getSupportFragmentManager().getFragments();
        ((AlarmGlobalSettingsFragment) fragments.get(0)).onKeyDown(keyCode);
    } else {/*from w  ww.  j  a  va  2 s. c om*/
        return super.onKeyDown(keyCode, event);
    }
    return true;
}

---

From source file:com.dwdesign.tweetings.activity.SearchActivity.java

@Override
public boolean dispatchKeyEvent(KeyEvent event) {
    SharedPreferences mPreferences = getSharedPreferences(SHARED_PREFERENCES_NAME, Context.MODE_PRIVATE);

    if (mPreferences.getBoolean(PREFERENCE_KEY_VOLUME_NAVIGATION, false)) {
        if (event.getAction() == KeyEvent.ACTION_DOWN) {
            switch (event.getKeyCode()) {
            case KeyEvent.KEYCODE_VOLUME_UP: {
                Intent broadcast = new Intent();
                broadcast.setAction(BROADCAST_VOLUME_UP);
                sendBroadcast(broadcast);
                //scrollToPrevious();
                return true;
            }/*from w  w  w  .  j a  v a  2s.  c om*/
            case KeyEvent.KEYCODE_VOLUME_DOWN: {
                Intent broadcast = new Intent();
                broadcast.setAction(BROADCAST_VOLUME_DOWN);
                sendBroadcast(broadcast);
                //scrollToNext();
                return true;
            }
            }
        }
        if (event.getAction() == KeyEvent.ACTION_UP && (event.getKeyCode() == KeyEvent.KEYCODE_VOLUME_UP
                || event.getKeyCode() == KeyEvent.KEYCODE_VOLUME_DOWN)) {
            return true;
        }
    }
    return super.dispatchKeyEvent(event);
}

---

From source file:io.github.hidroh.materialistic.VolumeNavigationDelegate.java

/**
 * Calls from {@link Activity#onKeyDown(int, KeyEvent)} to delegate
 * @param keyCode    event key code/*from w  ww . j av a2  s .  co  m*/
 * @param event      key event
 * @return  true if is intercepted as navigation, false otherwise
 */
public boolean onKeyDown(int keyCode, KeyEvent event) {
    if (!mEnabled) {
        return false;
    }
    if (keyCode == KeyEvent.KEYCODE_VOLUME_UP || keyCode == KeyEvent.KEYCODE_VOLUME_DOWN) {
        event.startTracking();
        return true;
    }
    return false;
}

---

From source file:io.github.hidroh.materialistic.KeyDelegate.java

/**
 * Calls from {@link Activity#onKeyDown(int, KeyEvent)} to delegate
 * @param keyCode    event key code/*from w  w  w  .ja va 2 s . c om*/
 * @param event      key event
 * @return  true if is intercepted as navigation, false otherwise
 */
public boolean onKeyDown(int keyCode, KeyEvent event) {
    if (keyCode == KeyEvent.KEYCODE_BACK && event.getAction() == KeyEvent.ACTION_DOWN) {
        return mBackInterceptor != null && mBackInterceptor.onBackPressed();
    }
    if (!mEnabled) {
        return false;
    }
    if (keyCode == KeyEvent.KEYCODE_VOLUME_UP || keyCode == KeyEvent.KEYCODE_VOLUME_DOWN) {
        event.startTracking();
        return true;
    }
    return false;
}

---

From source file:com.google.mist.plot.MainActivity.java

@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {

    if (keyCode == KeyEvent.KEYCODE_VOLUME_UP) {
        toggleRecording(RecordingType.POSITIVE);
        return true;
    }/*from   w  w  w . j a v a  2 s  . com*/

    if (keyCode == KeyEvent.KEYCODE_VOLUME_DOWN) {
        toggleRecording(RecordingType.NEGATIVE);
        return true;
    }

    /* To label magnet pulls with ground truth, connect with ADB and run command:
       $ input keyevent 66
       or from console, not inside adb shell,
       $ adb shell input keyevent 66
       or connect a bluetooth keyboard and hit "enter" key
     */
    if (mIsRecording && (keyCode == KeyEvent.KEYCODE_ENTER || keyCode == KeyEvent.KEYCODE_DPAD_UP
            || keyCode == KeyEvent.KEYCODE_DPAD_DOWN || keyCode == KeyEvent.KEYCODE_DPAD_LEFT
            || keyCode == KeyEvent.KEYCODE_DPAD_RIGHT)) {
        mVibrator.vibrate(30);
        int recordedLabel = 0;
        switch (keyCode) {
        case KeyEvent.KEYCODE_ENTER:
            recordedLabel = POSITIVE_LABEL;
            break;
        case KeyEvent.KEYCODE_DPAD_UP:
            recordedLabel = UP_LABEL;
            break;
        case KeyEvent.KEYCODE_DPAD_DOWN:
            recordedLabel = DOWN_LABEL;
            break;
        case KeyEvent.KEYCODE_DPAD_LEFT:
            recordedLabel = LEFT_LABEL;
            break;
        case KeyEvent.KEYCODE_DPAD_RIGHT:
            recordedLabel = RIGHT_LABEL;
            break;
        }
        long lastFiring = mSensorTime.get(mSensorTime.size() - 1);
        mPositivesTime.add(lastFiring);
        mPositivesData.add(recordedLabel);
    }

    return super.onKeyDown(keyCode, event);
}

---

From source file:Main.java

public static String getKeyNameByCode(int code) {
    switch (code) {
    case KeyEvent.KEYCODE_0:
        return "<0>";
    case KeyEvent.KEYCODE_1:
        return "<1>";
    case KeyEvent.KEYCODE_2:
        return "<2>";
    case KeyEvent.KEYCODE_3:
        return "<3>";
    case KeyEvent.KEYCODE_4:
        return "<4>";
    case KeyEvent.KEYCODE_5:
        return "<5>";
    case KeyEvent.KEYCODE_6:
        return "<6>";
    case KeyEvent.KEYCODE_7:
        return "<7>";
    case KeyEvent.KEYCODE_8:
        return "<8>";
    case KeyEvent.KEYCODE_9:
        return "<9>";
    case KeyEvent.KEYCODE_A:
        return "<A>";
    case KeyEvent.KEYCODE_B:
        return "<B>";
    case KeyEvent.KEYCODE_C:
        return "<C>";
    case KeyEvent.KEYCODE_D:
        return "<D>";
    case KeyEvent.KEYCODE_E:
        return "<E>";
    case KeyEvent.KEYCODE_F:
        return "<F>";
    case KeyEvent.KEYCODE_G:
        return "<G>";
    case KeyEvent.KEYCODE_H:
        return "<H>";
    case KeyEvent.KEYCODE_I:
        return "<I>";
    case KeyEvent.KEYCODE_J:
        return "<J>";
    case KeyEvent.KEYCODE_K:
        return "<K>";
    case KeyEvent.KEYCODE_L:
        return "<L>";
    case KeyEvent.KEYCODE_M:
        return "<M>";
    case KeyEvent.KEYCODE_N:
        return "<N>";
    case KeyEvent.KEYCODE_O:
        return "<O>";
    case KeyEvent.KEYCODE_P:
        return "<P>";
    case KeyEvent.KEYCODE_Q:
        return "<Q>";
    case KeyEvent.KEYCODE_R:
        return "<R>";
    case KeyEvent.KEYCODE_S:
        return "<S>";
    case KeyEvent.KEYCODE_T:
        return "<T>";
    case KeyEvent.KEYCODE_U:
        return "<U>";
    case KeyEvent.KEYCODE_V:
        return "<V>";
    case KeyEvent.KEYCODE_W:
        return "<W>";
    case KeyEvent.KEYCODE_X:
        return "<X>";
    case KeyEvent.KEYCODE_Y:
        return "<Y>";
    case KeyEvent.KEYCODE_Z:
        return "<Z>";
    case KeyEvent.KEYCODE_APOSTROPHE:
        return "<'>";
    case KeyEvent.KEYCODE_AT:
        return "<@>";
    case KeyEvent.KEYCODE_BACK:
        return "<Back>";
    case KeyEvent.KEYCODE_BACKSLASH:
        return "<\\>";
    case KeyEvent.KEYCODE_CALL:
        return "<Call>";
    case KeyEvent.KEYCODE_CAMERA:
        return "<Camera>";
    case KeyEvent.KEYCODE_CLEAR:
        return "<Clear>";
    case KeyEvent.KEYCODE_COMMA:
        return "<,>";
    case KeyEvent.KEYCODE_DEL:
        return "<Del>";
    case KeyEvent.KEYCODE_DPAD_CENTER:
        return "<PadCenter>";
    case KeyEvent.KEYCODE_DPAD_DOWN:
        return "<PadDown>";
    case KeyEvent.KEYCODE_DPAD_LEFT:
        return "<PadLeft>";
    case KeyEvent.KEYCODE_DPAD_RIGHT:
        return "<PadRight>";
    case KeyEvent.KEYCODE_DPAD_UP:
        return "<PadUp>";
    case KeyEvent.KEYCODE_ENDCALL:
        return "<EndCall>";
    case KeyEvent.KEYCODE_ENTER:
        return "<Enter>";
    case KeyEvent.KEYCODE_ENVELOPE:
        return "<Envelope>";
    case KeyEvent.KEYCODE_EQUALS:
        return "<=>";
    case KeyEvent.KEYCODE_EXPLORER:
        return "<Explorer>";
    case KeyEvent.KEYCODE_FOCUS:
        return "<??? 0>";
    case KeyEvent.KEYCODE_GRAVE:
        return "<??? 1>";
    case KeyEvent.KEYCODE_HEADSETHOOK:
        return "<??? 2>";
    case KeyEvent.KEYCODE_HOME:
        return "<Home>";
    case KeyEvent.KEYCODE_LEFT_BRACKET:
        return "<(>";
    case KeyEvent.KEYCODE_MENU:
        return "<Menu>";
    case KeyEvent.KEYCODE_MINUS:
        return "<->";
    case KeyEvent.KEYCODE_NOTIFICATION:
        return "<??? 3>";
    case KeyEvent.KEYCODE_NUM:
        return "<Num>";
    case KeyEvent.KEYCODE_PERIOD:
        return "<??? 4>";
    case KeyEvent.KEYCODE_PLUS:
        return "<+>";
    case KeyEvent.KEYCODE_POUND:
        return "<??? 5>";
    case KeyEvent.KEYCODE_POWER:
        return "<Power>";
    case KeyEvent.KEYCODE_RIGHT_BRACKET:
        return "<)>";
    case KeyEvent.KEYCODE_SEMICOLON:
        return "<;>";
    case KeyEvent.KEYCODE_SLASH:
        return "</>";
    case KeyEvent.KEYCODE_SOFT_LEFT:
        return "<??? 6>";
    case KeyEvent.KEYCODE_SOFT_RIGHT:
        return "<??? 7>";
    case KeyEvent.KEYCODE_SPACE:
        return "<Space>";
    case KeyEvent.KEYCODE_STAR:
        return "<*>";
    case KeyEvent.KEYCODE_SYM:
        return "<Sym>";
    case KeyEvent.KEYCODE_TAB:
        return "<Tab>";
    case KeyEvent.KEYCODE_VOLUME_DOWN:
        return "<VolumeDown>";
    case KeyEvent.KEYCODE_VOLUME_UP:
        return "<VolumeUp>";
    case KeyEvent.KEYCODE_UNKNOWN:
    default://from  w  w w.  j  a va 2s . co  m
        return "<Unknown>";
    }
}

---

• «
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• 9
• 10
• 11
• 12
• 13
• 14
• 15
• 16
• 17
• 18
• 19
• »