forked from hardcoresushi/DroidFS
Camera icons rotation
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parent
9c31576b97
commit
c82d6c0e36
@ -6,7 +6,11 @@ import android.os.Bundle
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import android.text.InputType
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import android.view.View
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import android.view.WindowManager
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import android.view.animation.Animation
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import android.view.animation.LinearInterpolator
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import android.view.animation.RotateAnimation
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import android.widget.EditText
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import android.widget.ImageView
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import android.widget.Toast
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import androidx.core.content.ContextCompat
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import com.otaliastudios.cameraview.CameraListener
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@ -25,7 +29,7 @@ import java.io.ByteArrayInputStream
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import java.text.SimpleDateFormat
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import java.util.*
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class CameraActivity : BaseActivity() {
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class CameraActivity : BaseActivity(), SensorOrientationListener.Listener {
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companion object {
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private val flashModes = listOf(Flash.AUTO, Flash.ON, Flash.OFF)
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private val gridTitles = listOf(R.string.grid_none, R.string.grid_3x3, R.string.grid_4x4)
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@ -45,6 +49,9 @@ class CameraActivity : BaseActivity() {
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image_timer.setImageResource(R.drawable.icon_timer_off)
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}
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}
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private lateinit var sensorOrientationListener: SensorOrientationListener
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private var previousOrientation: Float = 0f
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private lateinit var orientedIcons: List<ImageView>
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private lateinit var gocryptfsVolume: GocryptfsVolume
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private lateinit var outputDirectory: String
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private lateinit var fileName: String
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@ -72,6 +79,8 @@ class CameraActivity : BaseActivity() {
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}
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})
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take_photo_button.onClick = ::onClickTakePhoto
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orientedIcons = listOf(image_hdr, image_timer, image_grid, image_close, image_flash, image_camera_switch)
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sensorOrientationListener = SensorOrientationListener(this)
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}
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private fun onClickTakePhoto() {
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@ -192,13 +201,37 @@ class CameraActivity : BaseActivity() {
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override fun onPause() {
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super.onPause()
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sensorOrientationListener.remove(this)
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if (ContextCompat.checkSelfPermission(this, Manifest.permission.CAMERA) == PackageManager.PERMISSION_GRANTED){ //if not asking for permission
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finish()
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}
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}
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override fun onResume() {
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super.onResume()
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sensorOrientationListener.addListener(this)
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}
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override fun onBackPressed() {
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super.onBackPressed()
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isFinishingIntentionally = true
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}
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override fun onOrientationChange(newOrientation: Int) {
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val reversedOrientation = when (newOrientation){
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90 -> 270
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270 -> 90
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else -> newOrientation
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}.toFloat()
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val rotateAnimation = RotateAnimation(previousOrientation, when {
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reversedOrientation - previousOrientation > 180 -> reversedOrientation - 360
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reversedOrientation - previousOrientation < -180 -> reversedOrientation + 360
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else -> reversedOrientation
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}, Animation.RELATIVE_TO_SELF, 0.5f, Animation.RELATIVE_TO_SELF, 0.5f)
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rotateAnimation.duration = 300
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rotateAnimation.interpolator = LinearInterpolator()
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rotateAnimation.fillAfter = true
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orientedIcons.map { it.startAnimation(rotateAnimation) }
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previousOrientation = reversedOrientation
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}
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}
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@ -0,0 +1,95 @@
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package sushi.hardcore.droidfs
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import android.content.Context
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import android.hardware.Sensor
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import android.hardware.SensorEvent
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import android.hardware.SensorEventListener
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import android.hardware.SensorManager
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import java.lang.ref.WeakReference
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import java.util.*
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class SensorOrientationListener(context: Context) {
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private val mSensorEventListener: SensorEventListener
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private val mSensorManager: SensorManager
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init {
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mSensorEventListener = NotifierSensorEventListener()
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mSensorManager = context.getSystemService(Context.SENSOR_SERVICE) as SensorManager
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}
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private val mListeners = ArrayList<WeakReference<Listener?>>(3)
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private var orientation = 0
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private fun onResume() {
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mSensorManager.registerListener(
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mSensorEventListener,
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mSensorManager.getDefaultSensor(Sensor.TYPE_ACCELEROMETER),
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SensorManager.SENSOR_DELAY_NORMAL
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)
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}
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private fun onPause() {
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mSensorManager.unregisterListener(mSensorEventListener)
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}
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private inner class NotifierSensorEventListener : SensorEventListener {
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override fun onSensorChanged(event: SensorEvent) {
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val x = event.values[0]
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val y = event.values[1]
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var newOrientation: Int = orientation
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if (x < 5 && x > -5 && y > 5) newOrientation = 0
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else if (x < -5 && y < 5 && y > -5) newOrientation = 90
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else if (x < 5 && x > -5 && y < -5) newOrientation = 180
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else if (x > 5 && y < 5 && y > -5) newOrientation = 270
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if (orientation != newOrientation) {
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orientation = newOrientation
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notifyListeners()
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}
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}
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override fun onAccuracyChanged(sensor: Sensor, accuracy: Int) {}
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}
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interface Listener {
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fun onOrientationChange(newOrientation: Int)
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}
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fun addListener(listener: Listener) {
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if (get(listener) == null) // prevent duplications
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mListeners.add(WeakReference(listener))
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if (mListeners.size == 1) {
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onResume() // this is the first client
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}
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}
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fun remove(listener: Listener) {
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val listenerWR = get(listener)
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remove(listenerWR)
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}
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private fun remove(listenerWR: WeakReference<Listener?>?) {
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if (listenerWR != null) mListeners.remove(listenerWR)
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if (mListeners.size == 0) {
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onPause()
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}
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}
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private operator fun get(listener: Listener): WeakReference<Listener?>? {
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for (existingListener in mListeners) if (existingListener.get() === listener) return existingListener
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return null
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}
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private fun notifyListeners() {
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val deadListeners = ArrayList<WeakReference<Listener?>>()
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for (wr in mListeners) {
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if (wr.get() == null)
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deadListeners.add(wr)
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else
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wr.get()!!.onOrientationChange(orientation)
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}
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// remove dead references
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for (wr in deadListeners) {
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mListeners.remove(wr)
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}
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}
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}
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