ImageAIApplication.7z

package com.android.imageai; import android.app.Activity; import android.app.AlertDialog; import android.content.ContentResolver; import android.content.Context; import android.content.DialogInterface; import android.content.Intent; import android.graphics.Bitmap; import android.graphics.BitmapFactory; import android.graphics.ImageFormat; import android.graphics.Rect; import android.graphics.YuvImage; import android.hardware.Camera; import android.os.AsyncTask; import android.os.Bundle; import android.os.Handler; import android.provider.MediaStore; import android.text.TextUtils; import android.util.Log; import android.view.SurfaceHolder; import android.view.SurfaceView; import android.view.View; import android.widget.ImageView; import android.widget.TextView; import android.widget.Toast; import androidx.appcompat.app.AppCompatActivity; import androidx.fragment.app.FragmentTransaction; import com.baidu.tts.tools.SharedPreferencesUtils; import org.json.JSONException; import java.io.ByteArrayOutputStream; import java.io.IOException; import java.text.SimpleDateFormat; import java.util.ArrayList; import java.util.Date; public class MainActivity extends AppCompatActivity implements SurfaceHolder.Callback{ private final String TAG=MainActivity.class.getSimpleName(); private OptionFragment mOptionFragment; private ResultFragment mResultFragment; private Camera mCamera; private int rotation; private boolean bfrontSwitch=false; private boolean isGetBuffer=false; private Camera.Parameters parameters; private SurfaceView mSurfaceView; private SurfaceHolder mSurfaceHolder; private boolean isPause=false; private ImageView camera_switch; private TextView tv_hint; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); //setContentView(R.layout.activity_main); setContentView(R.layout.activity_suface); //init(); tv_hint=findViewById(R.id.tv_imageclassfy_hint); mSurfaceView=(SurfaceView)findViewById(R.id.view_surface);//获取surfaceView控件 mSurfaceHolder=mSurfaceView.getHolder();//获取holder参数 mSurfaceHolder.addCallback(this);//设置holder的回调 camera_switch=findViewById(R.id.btn_camera_switch); camera_switch.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { stopPreview(); bfrontSwitch=!bfrontSwitch; isGetBuffer=false; initCamera(); } }); /* if(Camera.getNumberOfCameras()>1){ camera_switch.setVisibility(View.VISIBLE); }else{ camera_switch.setVisibility(View.INVISIBLE); }*/ mSurfaceView.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { handler.sendEmptyMessageDelayed(0,500); } }); } private void initCamera(){ if(mCamera==null){ if(bfrontSwitch){ mCamera=Camera.open(1);//前置 rotation=270; }else{ mCamera=Camera.open(0);//后置 rotation=90; } } mCamera.setDisplayOrientation(rotation); parameters=mCamera.getParameters(); parameters.setPreviewFormat(ImageFormat.NV21);//default默认为21，所有手机均支持NV21 parameters.setPreviewSize(480,480);//设置预览分辨率 parameters.setPreviewFrameRate(25); mCamera.setParameters(parameters); try { mCamera.setPreviewDisplay(mSurfaceHolder); } catch (IOException e) { e.printStackTrace(); } mCamera.startPreview(); // handler.sendEmptyMessageDelayed(0,2000); } private void init() { mOptionFragment = new OptionFragment(); mResultFragment = new ResultFragment(); getSupportFragmentManager().beginTransaction().add(R.id.fragment_layout, mOptionFragment).commit(); } public void toResult() { FragmentTransaction transaction = getSupportFragmentManager().beginTransaction(); transaction.replace(R.id.fragment_layout, mResultFragment); transaction.addToBackStack(null); transaction.commit(); } @Override public void surfaceCreated(SurfaceHolder surfaceHolder) { System.out.println("zycheng surfaceCreated"); } @Override public void surfaceChanged(SurfaceHolder surfaceHolder, int i, int i1, int i2) { System.out.println("zycheng surfaceChanged"); initCamera(); } @Override public void surfaceDestroyed(SurfaceHolder surfaceHolder) { System.out.println("zycheng surfaceDestroyed"); stopPreview(); } private void stopPreview(){ if (mCamera!=null) { handler.removeMessages(0); handler.removeMessages(1); mCamera.setPreviewCallback(null); mCamera.stopPreview(); mCamera.release(); mCamera=null; } } private void getPreViewImage() { mCamera.setPreviewCallback(new Camera.PreviewCallback(){ @Override public void onPreviewFrame(byte[] data, Camera camera) { System.out.println("zycheng onPreviewFrame isGetBuffer="+isGetBuffer); if(isGetBuffer){ return; } isGetBuffer=true; new MyAsyncTask(data).execute(); /* new Thread() { @Override public void run() { super.run(); YuvImage image = new YuvImage(rotateYUV420Degree90(data,480,480),ImageFormat.NV21,480,480,null); ByteArrayOutputStream stream = new ByteArrayOutputStream(); image.compressToJpeg(new Rect(0,0,480,480),95,stream); ImageInfo.bitmap=BitmapFactory.decodeByteArray(stream.toByteArray(),0,stream.size()); ImageInfo.discernResult = ImageClassifyClient.getInst().getImageClassify(stream.toByteArray()); //Log.i("zycheng","zycheng str=" + ImageInfo.discernResult); mHandler.post(mUpdateResults); } }.start();*/ } }); } Handler handler = new Handler(){ public void handleMessage(android.os.Message msg) { System.out.println("zycheng isGetBuffer="+isGetBuffer); switch(msg.what){ case 0: getPreViewImage(); //handler.sendEmptyMessageDelayed(1,500); break; case 1: mCamera.setPreviewCallback(null); isGetBuffer=false; //handler.sendEmptyMessageDelayed(0, 2000); break ; } }; }; private Handler mHandler = new Handler(); private Runnable mUpdateResults = new Runnable() { @Override public void run() { updateUI(); } }; private void updateUI() { handler.sendEmptyMessage(1); try { ArrayList<ImageResultBean> list = JSONUtil.analysisJSON(ImageInfo.discernResult); if (list != null) { ImageInfo.description=list.get(0).getDescription(); ImageInfo.score=list.get(0).getScore(); ImageInfo.keyword=list.get(0).getKeyword(); String resultText = getString(R.string.discern_result, list.get(0).getRoot(), list.get(0).getKeywo