MainActivity如下:

package cn.testgethandsetinfo;
import android.os.Bundle;
import android.text.TextUtils;
import android.widget.TextView;
import android.app.Activity;
import android.content.Context;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
/*** Demo描述:* 获得手机型号,系统版本,App版本号等信息*/
public class MainActivity extends Activity {private TextView mTextView;@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.main);init();}private void init(){mTextView=(TextView) findViewById(R.id.textView);mTextView.setText(getHandSetInfo());}private String getHandSetInfo(){String handSetInfo="手机型号:" + android.os.Build.MODEL + ",SDK版本:" + android.os.Build.VERSION.SDK + ",系统版本:" + android.os.Build.VERSION.RELEASE+",软件版本:"+getAppVersionName(MainActivity.this); return handSetInfo;}//获取当前版本号private  String getAppVersionName(Context context) {String versionName = "";try {PackageManager packageManager = context.getPackageManager();PackageInfo packageInfo = packageManager.getPackageInfo("cn.testgethandsetinfo", 0);versionName = packageInfo.versionName;if (TextUtils.isEmpty(versionName)) {return "";}} catch (Exception e) {e.printStackTrace();}return versionName;}}

main.xml如下:

<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"><TextViewandroid:id="@+id/textView"android:layout_width="wrap_content"android:layout_height="wrap_content"android:text="@string/hello_world" android:layout_centerInParent="true"/></RelativeLayout>