TermApp/app/src/main/java/com/xypower/mpapp/adb/CameraAdb.java

package com.xypower.mpapp.adb;

import android.content.Context;
import android.content.Intent;
import android.util.Log;

import com.xypower.common.FilesUtils;
import com.xypower.mpapp.v2.Camera2VideoActivity;

import java.io.File;

import dadb.AdbKeyPair;
import dadb.AdbShellResponse;
import dadb.Dadb;

public class CameraAdb {
    private final String TAG = "CameraAdb";

    private Context mContext;
    private String mAppPath;
    private AdbKeyPair mAdbKeyPair;
    private String mDeviceIp = "127.0.0.1";

    public CameraAdb(Context context, String appPath) {

        mContext = context;
        mAppPath = appPath;

        File file = new File( new File(appPath), "data/.keypair");
        if (!file.exists()) {
            file.mkdirs();
        }

        final File pubKeyFile = new File(file, "pub.key");
        final File priKeyFile = new File(file, "pri.key");
        if (!priKeyFile.exists() || !pubKeyFile.exists()) {
            AdbKeyPair.generate(priKeyFile, pubKeyFile);
        }

        mAdbKeyPair = AdbKeyPair.read(priKeyFile, pubKeyFile);
    }

    public void takePhoto() {
        (new Thread(new Runnable() {
            @Override
            public void run() {

                try {
                    runImpl();
                } catch (Exception ex) {
                    ex.printStackTrace();
                }
            }

            private void runImpl() {
                Dadb adb = Dadb.discover(mDeviceIp, mAdbKeyPair);

                if (adb == null) {
                    return;
                }

                Log.d(TAG, mDeviceIp + " Connected");
                boolean res = false;

                String[] cmds = {
                        "am force-stop com.mediatek.camera",
                        "setprop mtk.camera.app.keycode.enable 1",
                        "setprop mtk.camera.switch.camera.debug 1",
                        "setprop mtk.camera.switch.id.debug back-1",
                        "am start -a android.media.action.STILL_IMAGE_CAMERA --ez com.google.assistant.extra.USE_FRONT_CAMERA true -f " + Integer.toString(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TOP),
                        "wait",
                        "input keyevent 27"};

                AdbShellResponse adbShellResponse = null;
                for (String cmd : cmds) {
                    if (cmd.equals("wait")) {
                        try {
                            Thread.sleep(3000);
                        } catch (Exception ex) {
                            ex.printStackTrace();
                        }
                        continue;
                    }
                    try {
                        adbShellResponse = adb.shell(cmd);
                    } catch (Exception ex) {
                        ex.printStackTrace();
                    }

                    Log.i(TAG, "CMD: " + cmd);
                    if (adbShellResponse.getExitCode() == 0) {
                        String[] lines = FilesUtils.splitLines(adbShellResponse.getAllOutput());
                        for (String line : lines) {
                            Log.i(TAG, line);
                        }
                    }


                }
            }
        })).start();
    }
}