AndroidTranslate, using Google Translate API in Android application.


It's a simple Android Application using google-api-translate-java to involve Google Translate, to translate the text input in the TextView in English to French.



In order to use google-api-translate-java in our application, we have to do some preparation as described in the article google-api-translate-java.

In our project, we have to grand permission to access internet, add the code <uses-permission android:name="android.permission.INTERNET" /> in AndroidMainfest.xml.

AndroidMainfest.xml
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.exercise.AndroidTranslate"
android:versionCode="1"
android:versionName="1.0">
<application android:icon="@drawable/icon" android:label="@string/app_name">
<activity android:name=".AndroidTranslate"
android:label="@string/app_name">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
<uses-sdk android:minSdkVersion="3" />
<uses-permission android:name="android.permission.INTERNET" />
</manifest>


Modify main.xml to include a EditText to input text to be translate, a Button to start translation, and a TextView to display the result.

main.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
>
<TextView
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="@string/hello"
/>
<EditText
android:id="@+id/InputText"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
/>
<Button
android:id="@+id/TranslateButton"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="Translate"
/>
<TextView
android:id="@+id/OutputText"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
/>
</LinearLayout>

main.xml can be downloaded here.

Finally, modify AndroidTranslate.java to implement the function.

AndroidTranslate.java
package com.exercise.AndroidTranslate;

import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;

import com.google.api.translate.Language;
import com.google.api.translate.Translate;



public class AndroidTranslate extends Activity {

EditText MyInputText;
Button MyTranslateButton;
TextView MyOutputText;

/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);

MyInputText = (EditText)findViewById(R.id.InputText);
MyTranslateButton = (Button)findViewById(R.id.TranslateButton);
MyOutputText = (TextView)findViewById(R.id.OutputText);

MyTranslateButton.setOnClickListener(MyTranslateButtonOnClickListener);
}

private Button.OnClickListener MyTranslateButtonOnClickListener
= new Button.OnClickListener(){

@Override
public void onClick(View v) {
// TODO Auto-generated method stub
String InputString;
String OutputString = null;
InputString = MyInputText.getText().toString();

try {
Translate.setHttpReferrer("http://android-er.blogspot.com/");
OutputString = Translate.execute(InputString,
Language.ENGLISH, Language.FRENCH);
} catch (Exception ex) {
ex.printStackTrace();
OutputString = "Error";
}

MyOutputText.setText(OutputString);

}

};

}

AndroidTranslate.java can be downloaded here.

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