[英]how do you print the characters of a string in android studio code on textview
[英]How do you turn a set string into speech in android studio?
我試圖找出如何設置一個將被大聲讀出的字符串。
例如:
字符串文本=“ Hello”;
您可以在此站點上找到一個非常詳細的示例,以顯示如何將文本轉換為語音。 HTH。
您的MainActivity.java應該看起來像這樣
import android.app.Activity;
import android.os.Bundle;
import android.speech.tts.TextToSpeech;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import java.util.Locale;
import android.widget.Toast;
public class MainActivity extends Activity {
TextToSpeech t1;
EditText ed1;
Button b1;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
ed1=(EditText)findViewById(R.id.editText);
b1=(Button)findViewById(R.id.button);
t1=new TextToSpeech(getApplicationContext(), new TextToSpeech.OnInitListener() {
@Override
public void onInit(int status) {
if(status != TextToSpeech.ERROR) {
t1.setLanguage(Locale.UK);
}
}
});
b1.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
String toSpeak = ed1.getText().toString();
Toast.makeText(getApplicationContext(), toSpeak,Toast.LENGTH_SHORT).show();
t1.speak(toSpeak, TextToSpeech.QUEUE_FLUSH, null);
}
});
}
public void onPause(){
if(t1 !=null){
t1.stop();
t1.shutdown();
}
super.onPause();
}
}
這是activity_main.xml的內容
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent"
android:layout_height="match_parent" android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
android:paddingBottom="@dimen/activity_vertical_margin"
tools:context=".MainActivity"
android:transitionGroup="true">
<TextView android:text="Text to Speech" android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/textview"
android:textSize="35dp"
android:layout_alignParentTop="true"
android:layout_centerHorizontal="true" />
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Tutorials point"
android:id="@+id/textView"
android:layout_below="@+id/textview"
android:layout_centerHorizontal="true"
android:textColor="#ff7aff24"
android:textSize="35dp" />
<ImageView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/imageView"
android:src="@drawable/abc"
android:layout_below="@+id/textView"
android:layout_centerHorizontal="true"
android:theme="@style/Base.TextAppearance.AppCompat" />
<EditText
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/editText"
android:layout_below="@+id/imageView"
android:layout_marginTop="46dp"
android:hint="Enter Text"
android:layout_alignParentRight="true"
android:layout_alignParentEnd="true"
android:layout_alignParentLeft="true"
android:layout_alignParentStart="true"
android:textColor="#ff7aff10"
android:textColorHint="#ffff23d1" />
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Text to Speech"
android:id="@+id/button"
android:layout_below="@+id/editText"
android:layout_centerHorizontal="true"
android:layout_marginTop="46dp" />
</RelativeLayout>
嘗試這個...
TextToSpeech textToSpeech;
的onCreate
textToSpeech = new TextToSpeech(this, this);
覆蓋方法
要調用的回調,指示TextToSpeech引擎初始化完成。
@see android.speech.tts.TextToSpeech.OnInitListener#onInit(int)
@Override
public void onInit(int status) {
if (status == TextToSpeech.SUCCESS) {
int result = textToSpeech.setLanguage(Locale.US);
if (result == TextToSpeech.LANG_MISSING_DATA
|| result == TextToSpeech.LANG_NOT_SUPPORTED) {
Log.e("error", "This Language is not supported");
} else {
convertTextToSpeech();
}
} else {
Log.e("error", "Initilization Failed!");
}
}
使用指定的排隊策略和語音參數說出字符串。
private void convertTextToSpeech() {
String text = inputText.getText().toString();
text = "Hello World";
textToSpeech.speak(text, TextToSpeech.QUEUE_FLUSH, null);
}
檢查這個樣本
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