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
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
xmlns: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">
<EditText
android:id="@+id/text1"
android:layout_width="250dp"
android:layout_height="wrap_content"
android:text="Hello World!"
android:textAlignment="center"/>
<Button
android: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;
@Override
protected 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()) {
textToSpeech.setPitch(0.5f);
textToSpeech.setSpeechRate(1.5f);
Bundle bundle = new Bundle();
bundle.putInt(TextToSpeech.Engine.KEY_PARAM_STREAM, AudioManager.STREAM_NOTIFICATION);
textToSpeech.speak(editText.getText().toString(), TextToSpeech.QUEUE_FLUSH, bundle,"1");
}
}
@Override
public 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();
}
}
}
@Override
protected void onStop() {
super.onStop();
textToSpeech.stop();
textToSpeech.shutdown();
}
}