视力测试Demo

视力测试Demo"/>

视力测试Demo

项目地址：

package com.hy.testasr;import android.content.DialogInterface;
import android.content.Intent;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.support.v7.app.AlertDialog;
import android.support.v7.app.AppCompatActivity;
import android.text.TextUtils;
import android.util.Log;
import android.view.View;
import android.view.animation.Animation;
import android.view.animation.AnimationSet;
import android.view.animation.RotateAnimation;
import android.view.animation.ScaleAnimation;
import android.widget.ImageView;
import android.widget.Toast;import com.iflytek.cloud.ErrorCode;
import com.iflytek.cloud.GrammarListener;
import com.iflytek.cloud.InitListener;
import com.iflytek.cloud.RecognizerListener;
import com.iflytek.cloud.RecognizerResult;
import com.iflytek.cloud.SpeechConstant;
import com.iflytek.cloud.SpeechError;
import com.iflytek.cloud.SpeechRecognizer;import java.util.ArrayList;
import java.util.Random;public class TestEyeActivity extends AppCompatActivity implements View.OnClickListener {static final String TAG = TestEyeActivity.class.getSimpleName();static final int DIRECT_UNCLEAR = -1;static final int DIRECT_UP = 0;static final int DIRECT_RIGHT = 1;static final int DIRECT_DOWN = 2;static final int DIRECT_LEFT = 3;static final String TEXT_UP = "上";static final String TEXT_RIGHT = "右";static final String TEXT_DOWN = "下";static final String TEXT_LEFT = "左";static final String TEXT_UNCLEAR = "看不清";static final String TEXT_NOT_SEE = "看不见";static final String TEXT_NOT_VISIBLE = "不清楚";private static final String GRAMMAR_TYPE_ABNF = "abnf";private ImageView mImgEye;private int mIndex = 0;private float mLastToDegrees = 0;private int mDirect = 1;private int mRet = 0;private ArrayList<Item> mUserList = new ArrayList<>();private Toast mToast;private String mEngineType = SpeechConstant.TYPE_CLOUD;// 语音识别对象private SpeechRecognizer mAsr;// 缓存private SharedPreferences mSharedPreferences;private static final String KEY_GRAMMAR_ABNF_ID = "grammar_abnf_id";@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_test_eye);init();initAsr();}/*** 初始化view*/private void init() {mImgEye = (ImageView) findViewById(R.id.img_e);findViewById(R.id.rl_top).setOnClickListener(this);findViewById(R.id.rl_bottom).setOnClickListener(this);findViewById(R.id.rl_left).setOnClickListener(this);findViewById(R.id.rl_right).setOnClickListener(this);}/*** 初始化讯飞在线语音识别*/private void initAsr() {mToast = Toast.makeText(this, "", Toast.LENGTH_SHORT);mSharedPreferences = getSharedPreferences(getPackageName(), MODE_PRIVATE);// 初始化识别对象mAsr = SpeechRecognizer.createRecognizer(this, mInitListener);buildAsr();}/*** 构建语法文件*/private void buildAsr() {showTip("上传预设关键词/语法文件");// 本地-构建语法文件，生成语法idString mCloudGrammar ="#ABNF 1.0 UTF-8;"+ "languagezh-CN;"+ "mode voice;"+ "root $main;"+ "$main = $place1$place2| 看不见 | 看不清 | 不清楚"+ "$place1 = 上 | 下 | 左 | 右 ;"+ "$place2 = 面 | 边 | 方;";//指定引擎类型mAsr.setParameter(SpeechConstant.ENGINE_TYPE, mEngineType);mAsr.setParameter(SpeechConstant.TEXT_ENCODING, "utf-8");mRet = mAsr.buildGrammar(GRAMMAR_TYPE_ABNF, mCloudGrammar, mCloudGrammarListener);if (mRet != ErrorCode.SUCCESS) {showTip("语法构建失败,错误码：" + mRet);} else {startListening();}}//开始监听private void startListening() {mRet = mAsr.startListening(mRecognizerListener);if (mRet != ErrorCode.SUCCESS) {if (mRet == ErrorCode.ERROR_COMPONENT_NOT_INSTALLED) {//未安装则跳转到提示安装页面} else {showTip("识别失败,错误码: " + mRet);}}}@Overridepublic void onClick(View v) {switch (v.getId()) {case R.id.rl_top:up();break;case R.id.rl_bottom:down();break;case R.id.rl_left:left();break;case R.id.rl_right:right();break;}}private void up() {final boolean flag = mDirect == DIRECT_UP;//已经错误一次 且本次也错误if (!checkErrorTimes() && !flag) {showResult();return;}mUserList.add(new Item(mIndex, mDirect, mDirect == DIRECT_UP ? DIRECT_UP : DIRECT_UNCLEAR));next(flag);}private void down() {final boolean flag = mDirect == DIRECT_DOWN;//已经错误一次 且本次也错误if (!checkErrorTimes() && !flag) {showResult();return;}mUserList.add(new Item(mIndex, mDirect, flag? DIRECT_DOWN : DIRECT_UNCLEAR));next(flag);}private void left() {final boolean flag = mDirect == DIRECT_LEFT;//已经错误一次 且本次也错误if (!checkErrorTimes() && !flag) {showResult();return;}mUserList.add(new Item(mIndex, mDirect, flag ? DIRECT_LEFT : DIRECT_UNCLEAR));next(flag);}private void right() {final boolean flag = mDirect == DIRECT_RIGHT;//已经错误一次 且本次也错误if (!checkErrorTimes() && !flag) {showResult();return;}mUserList.add(new Item(mIndex, mDirect, flag ? DIRECT_RIGHT : DIRECT_UNCLEAR));next(flag);}/*** 看不清楚 两次后终止*/private void unClear() {//已经错误一次 再次错误if (!checkErrorTimes()) {showResult();return;}mUserList.add(new Item(mIndex, mDirect, DIRECT_UNCLEAR));next(false);}/*** 检查是否已经错误过一次** @return flag*/private boolean checkErrorTimes() {boolean flag = true;for (Item item : mUserList) {int index = item.getIndex();if (index == mIndex && item.getUser_direct() == DIRECT_UNCLEAR) {flag = false;break;}}return flag;}private void next(boolean clear) {if (clear) {mIndex++;}if (mIndex > 8) {showResult();} else {playAnim();}}private void showResult() {AlertDialog.Builder dialog = new AlertDialog.Builder(this);dialog.setTitle("测试结果");String msg = "";for (Item item : mUserList) {msg += item.getResult();}dialog.setMessage(msg);dialog.create();dialog.setNegativeButton("重新测试", new DialogInterface.OnClickListener() {@Overridepublic void onClick(DialogInterface dialog, int which) {finish();startActivity(new Intent(TestEyeActivity.this, TestEyeActivity.class));}});dialog.setPositiveButton("退出测试", new DialogInterface.OnClickListener() {@Overridepublic void onClick(DialogInterface dialog, int which) {finish();}});dialog.show();}/*** 播放动画 缩放 + 旋转* 随着mIndex++ 图片每次缩小10%* mDirect方向随机生成 如果错误一次不缩小 只换旋转*/private void playAnim() {float from = 1 - (float) (0.1 * mIndex);float to = 1 - (float) (0.1 * (mIndex + 1));AnimationSet set = new AnimationSet(true);ScaleAnimation scaleAnimation = new ScaleAnimation(from, to, from, to, Animation.RELATIVE_TO_SELF, 0.5f, Animation.RELATIVE_TO_SELF, 0.5f);set.addAnimation(scaleAnimation);Random random = new Random();int rd = random.nextInt(4);//保存本次旋转角度 以便下次使用float fromDegrees = mLastToDegrees;mLastToDegrees = fromDegrees + 90 * rd;float toDegrees = mLastToDegrees;RotateAnimation rotate = new RotateAnimation(fromDegrees, toDegrees, Animation.RELATIVE_TO_SELF, 0.5f, Animation.RELATIVE_TO_SELF, 0.5f);set.addAnimation(rotate);set.setDuration(500);set.setFillAfter(true);mImgEye.startAnimation(set);//记录旋转后的方向mDirect += rd;if (mDirect < 4) {mDirect += 4;}mDirect %= 4;mAsr.startListening(mRecognizerListener);}/*** 云端构建语法监听器。*/private GrammarListener mCloudGrammarListener = new GrammarListener() {@Overridepublic void onBuildFinish(String grammarId, SpeechError error) {if (error == null) {String grammarID = new String(grammarId);SharedPreferences.Editor editor = mSharedPreferences.edit();if (!TextUtils.isEmpty(grammarId))editor.putString(KEY_GRAMMAR_ABNF_ID, grammarID);editor.apply();showTip("语法构建成功：" + grammarId);} else {showTip("语法构建失败,错误码：" + error.getErrorCode());}}};/*** 初始化监听器。*/private InitListener mInitListener = new InitListener() {@Overridepublic void onInit(int code) {Log.d(TAG, "SpeechRecognizer init() code = " + code);if (code != ErrorCode.SUCCESS) {showTip("初始化失败,错误码：" + code);}}};/*** 识别监听器。*/private RecognizerListener mRecognizerListener = new RecognizerListener() {@Overridepublic void onVolumeChanged(int volume, byte[] data) {showTip("当前正在说话，音量大小：" + volume);Log.d(TAG, "返回音频数据：" + data.length);}@Overridepublic void onResult(final RecognizerResult result, boolean isLast) {if (null != result) {Log.d(TAG, "recognizer result：" + result.getResultString());if ("cloud".equalsIgnoreCase(mEngineType)) {String text = JsonParser.parseGrammarResult(result.getResultString());if (TextUtils.isEmpty(text)) {showTip("语音识别失败");} else {if (text.contains(TEXT_UP)) {up();} else if (text.contains(TEXT_RIGHT)) {right();} else if (text.contains(TEXT_DOWN)) {down();} else if (text.contains(TEXT_LEFT)) {left();} else if (text.contains(TEXT_UNCLEAR) || text.contains(TEXT_NOT_VISIBLE) || text.contains(TEXT_NOT_SEE)) {unClear();} else {showTip("语音识别失败");}}}} else {Log.d(TAG, "recognizer result : null");}}@Overridepublic void onEndOfSpeech() {// 此回调表示：检测到了语音的尾端点，已经进入识别过程，不再接受语音输入showTip("结束说话");}@Overridepublic void onBeginOfSpeech() {// 此回调表示：sdk内部录音机已经准备好了，用户可以开始语音输入showTip("开始说话");}@Overridepublic void onError(SpeechError error) {showTip("onError Code：" + error.getErrorCode());}@Overridepublic void onEvent(int eventType, int arg1, int arg2, Bundle obj) {// 以下代码用于获取与云端的会话id，当业务出错时将会话id提供给技术支持人员，可用于查询会话日志，定位出错原因// 若使用本地能力，会话id为null//	if (SpeechEvent.EVENT_SESSION_ID == eventType) {//		String sid = obj.getString(SpeechEvent.KEY_EVENT_SESSION_ID);//		Log.d(TAG, "session id =" + sid);//	}}};private void showTip(final String str) {runOnUiThread(new Runnable() {@Overridepublic void run() {mToast.setText(str);mToast.show();}});}/*** 内部类 记录每次选择*/class Item {//次数private int index;//系统的方向private int direct;//用户选择的方向private int user_direct;public Item(int index, int direct, int user_direct) {this.index = index;this.direct = direct;this.user_direct = user_direct;}public int getIndex() {return index;}public int getUser_direct() {return user_direct;}public String getResult() {StringBuilder sb = new StringBuilder();sb.append("第");sb.append(index + 1);sb.append("次");sb.append("  ");sb.append(appendText(direct));sb.append("  ");sb.append("选择");sb.append("  :  ");sb.append(appendText(user_direct));sb.append("  ---->  ");sb.append(direct == user_direct ? "正确" : "错误");sb.append("\n");return sb.toString();}private String appendText(int direct) {String text = "";switch (direct) {case DIRECT_UP:text = "上";break;case DIRECT_RIGHT:text = "右";break;case DIRECT_DOWN:text = "下";break;case DIRECT_LEFT:text = "左";break;case DIRECT_UNCLEAR:text = "看不清";break;}return text;}}@Overrideprotected void onDestroy() {super.onDestroy();// 退出时释放连接mAsr.cancel();mAsr.destroy();}}