android APP版本更新（科大讯飞）

【实例简介】
【实例截图】

【核心代码】

package com.test.sample;

import java.io.File;
import android.annotation.SuppressLint;
import android.app.Activity;
import android.content.Context;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.content.pm.PackageManager.NameNotFoundException;
import android.os.Bundle;
import android.os.Environment;
import android.text.TextUtils;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.TextView;
import android.widget.Toast;

import com.iflytek.autoupdate.IFlytekUpdate;
import com.iflytek.autoupdate.IFlytekUpdateListener;
import com.iflytek.autoupdate.UpdateConstants;
import com.iflytek.autoupdate.UpdateErrorCode;
import com.iflytek.autoupdate.UpdateInfo;
import com.iflytek.autoupdate.UpdateType;

public class MainActivity extends Activity implements OnClickListener {

	private Button diag;
	private Button noti;
	private Button deleteBtn;
	Context mContext;
	private IFlytekUpdate updManager;
	private Toast mToast;


	@SuppressLint("ShowToast")
	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_main);
		mContext = this.getApplicationContext();

		diag = (Button) findViewById(R.id.diaglog);
		diag.setOnClickListener(this);

		noti = (Button) findViewById(R.id.noti);
		noti.setOnClickListener(this);
		
		deleteBtn = (Button) findViewById(R.id.btn_delete);
		deleteBtn.setOnClickListener(this);
		
		TextView tx = (TextView)findViewById(R.id.textView1);

		try {
			PackageManager manager = mContext.getPackageManager();

			PackageInfo info = manager.getPackageInfo(mContext.getPackageName(), 0);
			tx.setText(""   info.versionCode);
		} catch (NameNotFoundException e) {
			e.printStackTrace();
		}
		
		updManager = IFlytekUpdate.getInstance(mContext);
		updManager.setDebugMode(true);
		updManager.setParameter(UpdateConstants.EXTRA_WIFIONLY, "true");
		// 设置通知栏icon，默认使用SDK默认
		updManager.setParameter(UpdateConstants.EXTRA_NOTI_ICON, "false");
		
		mToast = Toast.makeText(this, "", Toast.LENGTH_SHORT);
	}
		
	@Override
	public void onClick(View arg0) {
		switch (arg0.getId()) {
		case R.id.diaglog:
			updManager.setParameter(UpdateConstants.EXTRA_STYLE, UpdateConstants.UPDATE_UI_DIALOG);
			updManager.autoUpdate(MainActivity.this, updateListener);
			break;
		case R.id.noti:
			updManager.setParameter(UpdateConstants.EXTRA_STYLE, UpdateConstants.UPDATE_UI_NITIFICATION);
			updManager.autoUpdate(MainActivity.this, updateListener);
			break;
		case R.id.btn_delete:
			// 删除已下载的更新文件
			String path = "";
			if(Environment.MEDIA_MOUNTED.equalsIgnoreCase(Environment.getExternalStorageState())) {
				path = Environment.getExternalStorageDirectory()   "/download/iFlyUpdate"; 
			}
			if(TextUtils.isEmpty(path)) {
				showTip("文件路径不正确！");
				return;
			}
			File file = new File(path);
			delFile(file);
			showTip("文件已删除！");
		default:
			break;
		}
	}

	private IFlytekUpdateListener updateListener = new IFlytekUpdateListener() {
		
		@Override
		public void onResult(int errorcode, UpdateInfo result) {
			
			if(errorcode == UpdateErrorCode.OK && result!= null) {
				if(result.getUpdateType() == UpdateType.NoNeed) {
					showTip("已经是最新版本！");
					return;
				}
				updManager.showUpdateInfo(MainActivity.this, result);
			}
			else
			{
				showTip("请求更新失败！\n更新错误码："   errorcode);
			}
		}
	};	
	
	private void delFile(File deleteFile) {
		if(!deleteFile.exists()) {
			return;
		}
		if(!deleteFile.isDirectory()) {
			deleteFile.delete();
		} else {
			File[] fileList = deleteFile.listFiles();
			if(null == fileList || fileList.length<=0) {
				deleteFile.delete();
				return;
			}
			for(File file : fileList) {
				delFile(file);
			}
			deleteFile.delete();
		}
	}
	
	private void showTip(final String str) {
		runOnUiThread(new Runnable() {
			@Override
			public void run() {
				mToast.setText(str);
				mToast.show();
			}
		});
	}
}