android.widget.Chronometer#setBase ( )源码实例Demo

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);

    // The ViewModelStore provides a new ViewModel or one previously created.
    ChronometerViewModel chronometerViewModel
            = new ViewModelProvider(this).get(ChronometerViewModel.class);

    // Get the chronometer reference
    Chronometer chronometer = findViewById(R.id.chronometer);

    if (chronometerViewModel.getStartTime() == null) {
        // If the start date is not defined, it's a new ViewModel so set it.
        long startTime = SystemClock.elapsedRealtime();
        chronometerViewModel.setStartTime(startTime);
        chronometer.setBase(startTime);
    } else {
        // Otherwise the ViewModel has been retained, set the chronometer's base to the original
        // starting time.
        chronometer.setBase(chronometerViewModel.getStartTime());
    }

    chronometer.start();
}
 

@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
    View fragmentView = inflater.inflate(R.layout.misc_overscroll_demo, null, false);

    View textView = fragmentView.findViewById(R.id.demo_text);
    ElasticityHelper.setUpStaticOverScroll(textView, ORIENTATION.HORIZONTAL);

    View imageView = fragmentView.findViewById(R.id.demo_image);
    ElasticityHelper.setUpStaticOverScroll(imageView, ORIENTATION.VERTICAL);

    mChrono = (Chronometer) fragmentView.findViewById(R.id.demo_chronometer);
    if (savedInstanceState != null) {
        mChrono.setBase(savedInstanceState.getLong(CHRONO_TIME_SAVE_ID));
    }
    ElasticityHelper.setUpStaticOverScroll(mChrono, ORIENTATION.HORIZONTAL);
    mChrono.start();

    return fragmentView;
}
 

@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
    View fragmentView = inflater.inflate(R.layout.misc_overscroll_demo, null, false);

    View textView = fragmentView.findViewById(R.id.demo_text);
    OverScrollDecoratorHelper.setUpStaticOverScroll(textView, OverScrollDecoratorHelper.ORIENTATION_HORIZONTAL);

    View imageView = fragmentView.findViewById(R.id.demo_image);
    OverScrollDecoratorHelper.setUpStaticOverScroll(imageView, OverScrollDecoratorHelper.ORIENTATION_VERTICAL);

    mChrono = (Chronometer) fragmentView.findViewById(R.id.demo_chronometer);
    if (savedInstanceState != null) {
        mChrono.setBase(savedInstanceState.getLong(CHRONO_TIME_SAVE_ID));
    }
    OverScrollDecoratorHelper.setUpStaticOverScroll(mChrono, OverScrollDecoratorHelper.ORIENTATION_HORIZONTAL);
    mChrono.start();

    return fragmentView;
}
 

private void displayConferenceCall(final Call call) {
    LinearLayout conferenceCallView =
            (LinearLayout)
                    LayoutInflater.from(this)
                            .inflate(R.layout.call_conference_cell, null, false);

    TextView contactNameView = conferenceCallView.findViewById(R.id.contact_name);
    LinphoneContact contact =
            ContactsManager.getInstance().findContactFromAddress(call.getRemoteAddress());
    if (contact != null) {
        ContactAvatar.displayAvatar(
                contact, conferenceCallView.findViewById(R.id.avatar_layout), true);
        contactNameView.setText(contact.getFullName());
    } else {
        String displayName = LinphoneUtils.getAddressDisplayName(call.getRemoteAddress());
        ContactAvatar.displayAvatar(
                displayName, conferenceCallView.findViewById(R.id.avatar_layout), true);
        contactNameView.setText(displayName);
    }

    Chronometer timer = conferenceCallView.findViewById(R.id.call_timer);
    timer.setBase(SystemClock.elapsedRealtime() - 1000 * call.getDuration());
    timer.start();

    ImageView removeFromConference =
            conferenceCallView.findViewById(R.id.remove_from_conference);
    removeFromConference.setOnClickListener(
            new View.OnClickListener() {
                @Override
                public void onClick(View v) {
                    LinphoneManager.getCallManager().removeCallFromConference(call);
                }
            });

    mConferenceList.addView(conferenceCallView);
}
 

private void displayPausedCall(final Call call) {
    LinearLayout callView =
            (LinearLayout)
                    LayoutInflater.from(this).inflate(R.layout.call_inactive_row, null, false);

    TextView contactName = callView.findViewById(R.id.contact_name);
    Address address = call.getRemoteAddress();
    LinphoneContact contact = ContactsManager.getInstance().findContactFromAddress(address);
    if (contact == null) {
        String displayName = LinphoneUtils.getAddressDisplayName(address);
        contactName.setText(displayName);
        ContactAvatar.displayAvatar(displayName, callView.findViewById(R.id.avatar_layout));
    } else {
        contactName.setText(contact.getFullName());
        ContactAvatar.displayAvatar(contact, callView.findViewById(R.id.avatar_layout));
    }

    Chronometer timer = callView.findViewById(R.id.call_timer);
    timer.setBase(SystemClock.elapsedRealtime() - 1000 * call.getDuration());
    timer.start();

    ImageView resumeCall = callView.findViewById(R.id.call_pause);
    resumeCall.setOnClickListener(
            new View.OnClickListener() {
                @Override
                public void onClick(View v) {
                    togglePause(call);
                }
            });

    mCallsList.addView(callView);
}
 

@Override
public void run() {
    try {
        if(activity.measurementService.isRecording()) {
            int seconds = activity.measurementService.getLeqAdded();
            if(seconds >= MeasurementActivity.DEFAULT_MINIMAL_LEQ && !activity.buttonrecord.isEnabled()) {
                activity.buttonrecord.setEnabled(true);
            }
            Chronometer chronometer = (Chronometer) activity
                    .findViewById(R.id.chronometer_recording_time);
            if (activity.chronometerWaitingToStart.getAndSet(false)) {
                chronometer.setBase(SystemClock.elapsedRealtime() - seconds * 1000);
                TextView overlayMessage = (TextView) activity.findViewById(R.id.textView_message_overlay);
                if(activity.measurementService.isPaused()) {
                    chronometer.stop();
                    chronometer.startAnimation(AnimationUtils.loadAnimation(activity, R.anim.pause_anim));
                    overlayMessage.setText(R.string.measurement_pause);
                } else {
                    chronometer.clearAnimation();
                    chronometer.start();
                    overlayMessage.setText("");
                }
            }

            //Update accuracy hint
            final TextView accuracyText = (TextView) activity.findViewById(R.id.textView_value_gps_precision);
            final ImageView accuracyImageHint = (ImageView) activity.findViewById(R.id.imageView_value_gps_precision);
            Location location = activity.measurementService.getLastLocation();
            if(location != null) {
                float lastPrecision = location.getAccuracy();
                if (lastPrecision < APROXIMATE_LOCATION_ACCURACY) {
                    accuracyImageHint.setImageResource(R.drawable.gps_fixed);
                    accuracyText.setText(activity.getString(R.string.gps_hint_precision,
                            (int)lastPrecision));
                } else {
                    accuracyImageHint.setImageResource(R.drawable.gps_not_fixed);
                    accuracyText.setText(activity.getString(R.string.gps_hint_precision,
                            (int)lastPrecision));
                }
                if (accuracyImageHint.getVisibility() == View.INVISIBLE) {
                    accuracyImageHint.setVisibility(View.VISIBLE);
                }
                long now = System.currentTimeMillis();
                if(now - activity.lastMapLocationRefresh >= REFRESH_MAP_LOCATION_RATE) {
                    activity.getMapControler().updateLocationMarker(new MapFragment.LatLng(location.getLatitude(), location.getLongitude()), location.getAccuracy());
                    activity.lastMapLocationRefresh = now;
                }
            } else {
                accuracyImageHint.setImageResource(R.drawable.gps_off);
                accuracyText.setText(R.string.no_gps_hint);
            }
            // Update current location of user
            final double leq = activity.measurementService.getAudioProcess().getLeq(false);
            activity.setData(activity.measurementService.getAudioProcess().getLeq(false));
            // Change the text and the textcolor in the corresponding textview
            // for the Leqi value
            LeqStats leqStats =
                    activity.measurementService.getFastLeqStats();
            final TextView mTextView = (TextView) activity.findViewById(R.id.textView_value_SL_i);
            formatdBA(leq, mTextView);
            if(activity.measurementService.getLeqAdded() != 0) {
                // Stats are only available if the recording of previous leq are activated
                final TextView valueMin = (TextView) activity.findViewById(R.id
                        .textView_value_Min_i);
                formatdBA(leqStats.getLeqMin(), valueMin);
                final TextView valueMax = (TextView) activity.findViewById(R.id
                        .textView_value_Max_i);
                formatdBA(leqStats.getLeqMax(), valueMax);
                final TextView valueMean = (TextView) activity.findViewById(R.id
                        .textView_value_Mean_i);
                formatdBA(leqStats.getLeqMean(), valueMean);
            }


            int nc = MeasurementActivity.getNEcatColors(leq);    // Choose the color category in
            // function of the sound level
            mTextView.setTextColor(activity.NE_COLORS[nc]);

            // Spectrum data
            activity.updateSpectrumGUI();
        } else {
            activity.initGuiState();
        }

        // Debug processing time
    } finally {
        activity.isComputingMovingLeq.set(false);
    }
}