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   源码介绍

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package com.baidu.translate;

import java.util.HashMap;
import java.util.Map;

import android.app.Activity;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.view.View;
import android.widget.EditText;
import android.widget.Spinner;
import android.widget.Toast;

import com.baidu.translate.utils.TranslateUtils;

public class MainActivity extends Activity {

	protected static final int SUCCESS = 0;
	protected static final int ERROR = 1;
	private Spinner sp_src;
	private Spinner sp_des;
	private EditText et_src;
	private EditText et_des;
	private Handler handler = new Handler(){
		public void handleMessage(Message msg) {
			switch (msg.what) {
			case SUCCESS:
				et_des.setText((String) msg.obj);
				break;
			case ERROR:
				Toast.makeText(getApplicationContext(), "翻译出错", 0).show();
				break;
			default:
				break;
			}
		};
	};
	private static Map<String,String> map;
	static{
		 map = new HashMap<String, String>();
		 map.put("自动检测", "auto");
		 map.put("粤语", "yue");
		 map.put("中文","zh");
		 map.put("英语", "en");
	 }
	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_main);
		//得到下拉框
		sp_src = (Spinner) findViewById(R.id.sp_src);
		sp_des = (Spinner) findViewById(R.id.sp_des);
		//
		et_src = (EditText) findViewById(R.id.et_src);
		et_des = (EditText) findViewById(R.id.et_des);
		
	}
	
	public void translate(View v){
		//得到输入的语言，得到输入的文本，得到目标语言
		String language = sp_src.getSelectedItem().toString();
		if(!map.containsKey(language)){
			Toast.makeText(this, "不存在该语言", 0).show();
			return;
		}
		final String srcLanguage =  map.get(language);
		 language = sp_des.getSelectedItem().toString();
		if(!map.containsKey(language)){
			Toast.makeText(this, "不存在该语言", 0).show();
			return;
		}
		final String srcText = et_src.getText().toString().trim();
		final String desLanguage = map.get(language);
		System.out.println("源语言为:" srcLanguage " 目标语言为：" desLanguage  " 翻译的内容为：" srcText);
		//访问网络需要在子线程完成
		new Thread(new Runnable() {
			
			@Override
			public void run() {
//				String desText = TranslateUtils.translateByGet(srcLanguage,desLanguage,srcText);
//				String desText = TranslateUtils.translateByPost(srcLanguage,desLanguage,srcText);
//				String desText = TranslateUtils.translateByHttpGet(srcLanguage,desLanguage,srcText);
				String desText = TranslateUtils.translateByHttpPost(srcLanguage,desLanguage,srcText);
					 
				
				if(desText!=null){
					Message msg = Message.obtain();
					msg.what = SUCCESS;
					msg.obj = desText;
					handler.sendMessage(msg);
				}else{
					Message msg = Message.obtain();
					msg.what = ERROR;
					handler.sendMessage(msg);
				}
			}
		}).start();
	}

	//当使用http-master时，应该使用这个点击事件 
	public void translate1(View v){
		//得到输入的语言，得到输入的文本，得到目标语言
		String language = sp_src.getSelectedItem().toString();
		if(!map.containsKey(language)){
			Toast.makeText(this, "不存在该语言", 0).show();
			return;
		}
		 String srcLanguage =  map.get(language);
		 language = sp_des.getSelectedItem().toString();
		if(!map.containsKey(language)){
			Toast.makeText(this, "不存在该语言", 0).show();
			return;
		}
		 String srcText = et_src.getText().toString().trim();
		 String desLanguage = map.get(language);
		System.out.println("源语言为:" srcLanguage " 目标语言为：" desLanguage  " 翻译的内容为：" srcText);
//		 TranslateUtils.translateByHttpMasterGet(et_des,srcLanguage, desLanguage, srcText);
		 TranslateUtils.translateByHttpMasterPost(et_des,srcLanguage, desLanguage, srcText);
//		System.out.println(desText);
//		et_des.setText(desText);
	}
}