WFB-ng android client, running rtl8812au driver in userspace, an

package com.geehe.fpvue; import android.Manifest; import android.content.BroadcastReceiver; import android.content.ContentValues; import android.content.Context; import android.content.Intent; import android.content.IntentFilter; import android.content.SharedPreferences; import android.content.pm.PackageManager; import android.content.res.ColorStateList; import android.graphics.Color; import android.net.Uri; import android.os.BatteryManager; import android.os.Build; import android.os.Bundle; import android.os.Environment; import android.os.ParcelFileDescriptor; import android.provider.MediaStore; import android.util.Base64; import android.util.Log; import android.view.MenuItem; import android.view.SubMenu; import android.view.View; import android.view.WindowManager; import android.widget.Toast; import androidx.annotation.Nullable; import androidx.appcompat.app.AppCompatActivity; import androidx.core.app.ActivityCompat; import androidx.core.content.ContextCompat; import com.geehe.fpvue.databinding.ActivityVideoBinding; import com.geehe.fpvue.osd.OSDElement; import com.geehe.fpvue.osd.OSDManager; import com.geehe.mavlink.MavlinkData; import com.geehe.mavlink.MavlinkNative; import com.geehe.mavlink.MavlinkUpdate; import com.geehe.videonative.DecodingInfo; import com.geehe.videonative.IVideoParamsChanged; import com.geehe.videonative.VideoPlayer; import com.geehe.wfbngrtl8812.WfbNGStats; import com.geehe.wfbngrtl8812.WfbNGStatsChanged; import com.geehe.wfbngrtl8812.WfbNgLink; import com.github.mikephil.charting.charts.PieChart; import com.github.mikephil.charting.data.PieData; import com.github.mikephil.charting.data.PieDataSet; import com.github.mikephil.charting.data.PieEntry; import com.github.mikephil.charting.formatter.PercentFormatter; import java.io.ByteArrayOutputStream; import java.io.File; import java.io.FileOutputStream; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import java.time.LocalDateTime; import java.time.format.DateTimeFormatter; import java.util.ArrayList; import java.util.Timer; import java.util.TimerTask; import me.saket.cascade.CascadePopupMenuCheckable; // Most basic implementation of an activity that uses VideoNative to stream a video // Into an Android Surface View public class VideoActivity extends AppCompatActivity implements IVideoParamsChanged, WfbNGStatsChanged, MavlinkUpdate, SettingsChanged { private static final int PICK_DOCUMENT_REQUEST_CODE = 1; private static final int REQUEST_WRITE_PERMISSION = 2; private ActivityVideoBinding binding; protected DecodingInfo mDecodingInfo; int lastVideoW=0,lastVideoH=0; private OSDManager osdManager; private static final String TAG = "VideoActivity"; UsbManager usbManager; BroadcastReceiver batteryReceiver; WfbNgLink wfbLink; VideoPlayer videoPlayerH264; VideoPlayer videoPlayerH265; private String activeCodec; private ParcelFileDescriptor dvrFd = null; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); binding = ActivityVideoBinding.inflate(getLayoutInflater()); getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON); // Init wfb ng. setDefaultGsKey(); copyGSKey(); wfbLink = new WfbNgLink(VideoActivity.this); wfbLink.SetWfbNGStatsChanged(VideoActivity.this); usbManager = new UsbManager(this, binding, wfbLink); usbManager.initWifiAdapters(); // Setup video players setContentView(binding.getRoot()); videoPlayerH264 = new VideoPlayer(this); videoPlayerH264.setIVideoParamsChanged(this); binding.svH264.getHolder().addCallback(videoPlayerH264.configure1()); videoPlayerH265 = new VideoPlayer(this); videoPlayerH265.setIVideoParamsChanged(this); binding.svH265.getHolder().addCallback(videoPlayerH265.configure1()); osdManager = new OSDManager(this, binding); osdManager.setUp(); PieChart chart = binding.pcLinkStat; chart.getLegend().setEnabled(false); chart.getDescription().setEnabled(false); chart.setDrawHoleEnabled(true); chart.setHoleColor(Color.WHITE); chart.setTransparentCircleColor(Color.WHITE); chart.setTransparentCircleAlpha(110); chart.setHoleRadius(58f); chart.setTransparentCircleRadius(61f); chart.setHighlightPerTapEnabled(false); chart.setRotationEnabled(false); chart.setClickable(false); chart.setTouchEnabled(false); PieData noData = new PieData(new PieDataSet(new ArrayList<>(), "")); chart.setData(noData); binding.btnSettings.setOnClickListener(v -> { CascadePopupMenuCheckable popup = new CascadePopupMenuCheckable(VideoActivity.this, v); SubMenu chnMenu = popup.getMenu().addSubMenu("Channel"); int channelPref = getChannel(this); chnMenu.setHeaderTitle("Current: " + channelPref); String[] channels = getResources().getStringArray(R.array.channels); for (String chnStr : channels) { if (channelPref==Integer.parseInt(chnStr)){ continue; } chnMenu.add(chnStr).setOnMenuItemClickListener(item -> { onChannelSettingChanged(Integer.parseInt(chnStr)); return true; }); } // Codecs String codecPref = getCodec(this); SubMenu codecMenu = popup.getMenu().addSubMenu("Codec"); codecMenu.setHeaderTitle("Current: " + codecPref); String[] codecs = getResources().getStringArray(R.array.codecs); for (String codecStr : codecs) { if (codecPref.equals(codecStr)){ continue; } codecMenu.add(codecStr).setOnMenuItemClickListener(item -> { onCodecSettingChanged(codecStr); return true; }); } // OSD SubMenu osd = popup.getMenu().addSubMenu("OSD"); String lockLabel = osdManager.isOSDLocked() ? "Unlock OSD" : "Lock OSD"; MenuItem lock = osd.add(lockLabel); lock.setOnMenuItemClickListener(item -> { osdManager.lockOSD(!osdManager.isOSDLocked()); return true; }); for (OSDElement element: osdManager.listOSDItems) { MenuItem itm = osd.add(element.name); itm.setCheckable(true); itm.setChecked(osdManager.isElementEnabled(element)); itm.setOnMenuItemClickListener(item -> { item.setChecked(!item.isChecked()); osdManager.onOSDItemCheckChanged(element, item.isChecked()); return true; }); } // WFB SubMenu wfb = popup.getMenu().addSubMenu("WFB-NG"); MenuItem keyBtn = wfb.add("gs.key"); keyBtn.setOnMenuItemClickListener(item -> { Intent intent = new Intent(Intent.ACTION_OPEN_DOCUMENT); intent.addCategory(Intent.CATEGORY_OPENABLE); intent.setType("*/*"); startActivityForResult(intent, PICK_DOCUMENT_REQUEST_CODE); return true; }); // recording MenuItem dvrBtn = popup.getMenu().add(dvrFd == null ? "Start recording" : "Stop recording"); dvrBtn.setOnMenuItemClickListener(item -> { if (dvrFd == null) { if (ContextCompat.checkSelfPermission(this, Manifest.permission.WRITE_EXTERNAL_STORAGE) != PackageManager.PERMISSION_GRANTED) { // Permission is not granted ActivityCompat.requestPermissions(this,