android TTS 文字转语音

权限

<uses-permission android:name="android.permission.INTERNET" /><uses-permission android:name="android.permission.RECORD_AUDIO" /><uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" /><uses-permission android:name="android.permission.ACCESS_WIFI_STATE" /><uses-permission android:name="android.permission.CHANGE_NETWORK_STATE" /><uses-permission android:name="android.permission.READ_PHONE_STATE" /><uses-permission android:name="android.permission.READ_CONTACTS" /><uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" /><uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" /><uses-permission android:name="android.permission.WRITE_SETTINGS" tools:ignore="ProtectedPermissions"/>

页面

<LinearLayoutxmlns:android="http://schemas.android.com/apk/res/android"xmlns:tools="http://schemas.android.com/tools"xmlns:app="http://schemas.android.com/apk/res-auto"android:layout_width="match_parent"android:layout_height="match_parent"android:orientation="vertical"android:gravity="center"tools:context=".MainActivity"><EditTextandroid:id="@+id/text1"android:layout_width="250dp"android:layout_height="wrap_content"android:text="Hello World!"android:textAlignment="center"/><Buttonandroid:layout_width="250dp"android:id="@+id/btn_read"android:layout_height="wrap_content"android:textAlignment="center"android:onClick="read"android:text="朗读"/>LinearLayout>

JAVA代码

public class MainActivity extends AppCompatActivity implements TextToSpeech.OnInitListener {private TextToSpeech textToSpeech = null;private EditText editText;private Button button;@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);editText = findViewById(R.id.text1);button = findViewById(R.id.btn_read);textToSpeech = new TextToSpeech(this, this);}public void read(View view) {if (textToSpeech != null && !textToSpeech.isSpeaking()) {// 设置音调，值越大声音越尖（女生），值越小则变成男声,1.0是常规textToSpeech.setPitch(0.5f);//设定语速 ，默认1.0正常语速textToSpeech.setSpeechRate(1.5f);//朗读，注意这里三个参数的added in API level 4   四个参数的added in API level 21Bundle bundle = new Bundle();bundle.putInt(TextToSpeech.Engine.KEY_PARAM_STREAM, AudioManager.STREAM_NOTIFICATION);//设置音频通道textToSpeech.speak(editText.getText().toString(), TextToSpeech.QUEUE_FLUSH, bundle,"1");}}/*** 用来初始化TextToSpeech引擎* status:SUCCESS或ERROR这2个值* setLanguage设置语言，帮助文档里面写了有22种* TextToSpeech.LANG_MISSING_DATA：表示语言的数据丢失。* TextToSpeech.LANG_NOT_SUPPORTED:不支持*/@Overridepublic void onInit(int status) {if (status == TextToSpeech.SUCCESS){int result = textToSpeech.setLanguage(Locale.CHINA);if (result == TextToSpeech.LANG_MISSING_DATA || result == TextToSpeech.LANG_NOT_SUPPORTED){Toast.makeText(this, "数据丢失或不支持", Toast.LENGTH_SHORT).show();}}}@Overrideprotected void onStop() {super.onStop();textToSpeech.stop(); // 不管是否正在朗读TTS都被打断textToSpeech.shutdown(); // 关闭，释放资源}
}

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