리오파파의 Android Source

VibratorManager vibratorManager; Vibrator vibrator = null; VibrationEffect vibrationEffect = null; final long[] vibPattern = {70, 70, 70, 70}; if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) { vibratorManager = (VibratorManager) context.getSystemService(Context.VIBRATOR_MANAGER_SERVICE); vibrator = vibratorManager.getDefaultVibrator(); vibrationEffect = VibrationEffect.createWaveform(vibPatt..

phone의 pixel size, phone inch 알아내기 public class PhoneMetrics { public PhoneMetrics(Activity activity) { /* ** determine screen sizes and set related parameters */ DisplayMetrics metrics = new DisplayMetrics(); activity.getWindowManager().getDefaultDisplay().getRealMetrics(metrics); screenX = metrics.widthPixels; screenY = metrics.heightPixels; // Calculate the physical screen size in inches. fPh..

GSON으로 bitmap을 보관하기 위한 conversion public static String bitmap2string(Bitmap bitmap) { ByteArrayOutputStream outputStream = new ByteArrayOutputStream(); bitmap.compress(Bitmap.CompressFormat.PNG, 100, outputStream); // Adjust quality as needed byte[] bitmapBytes = outputStream.toByteArray(); return Base64.encodeToString(bitmapBytes, Base64.NO_WRAP); } public static Bitmap string2bitmap (String ba..

밖은 진한 색, 안은 옅은색 안엔 top, bottom, left에 padding 이후 textview background에 반영

public class StartBackground_Unused { public Handler run() { HandlerThread mBackgroundHandlerThread; mBackgroundHandlerThread = new HandlerThread("BlackBox"); mBackgroundHandlerThread.start(); return new Handler(mBackgroundHandlerThread.getLooper()); }

import android.app.AlertDialog; import android.hardware.Sensor; import android.hardware.SensorEvent; import android.hardware.SensorEventListener; import android.hardware.SensorManager; import static android.hardware.Sensor.TYPE_ACCELEROMETER; import static com.urrecliner.blackbox.Vars.mContext; import static com.urrecliner.blackbox.Vars.startStopExit; public class DirectionSensor implements Sens..

AndroidManifest.xml 에 다음 permission 추가 OBDAccess.java package com.urrecliner.blackbox; import android.bluetooth.BluetoothAdapter; import android.bluetooth.BluetoothDevice; import android.bluetooth.BluetoothSocket; import android.content.SharedPreferences; import android.view.View; import android.widget.Toast; import com.github.pires.obd.commands.ObdCommand; import com.github.pires.obd.commands.S..

MediaMetadataRetriever retriever = new MediaMetadataRetriever(); retriever.setDataSource(path); String width = retriever.extractMetadata(MediaMetadataRetriever.METADATA_KEY_VIDEO_WIDTH); String height = retriever.extractMetadata(MediaMetadataRetriever.METADATA_KEY_VIDEO_HEIGHT); String rotation = retriever.extractMetadata(MediaMetadataRetriever.METADATA_KEY_VIDEO_ROTATION); String xx = retriever..

media file write 하고 galllery에 반영하는 법 Intent mediaStoreUpdateIntent = new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE); mediaStoreUpdateIntent.setData(Uri.fromFile(new File(mVideoFileName))); sendBroadcast(mediaStoreUpdateIntent);

mainActivity.xml private Chronometer mChronometer; mChronometer = (Chronometer) findViewById(R.id.chronometer); To start runOnUiThread(new Runnable() { @Override public void run() { mChronometer.setBase(SystemClock.elapsedRealtime()); mChronometer.setVisibility(View.VISIBLE); mChronometer.start(); } }); To stop mChronometer.stop(); mChronometer.setVisibility(View.INVISIBLE);