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;

@Override

protected 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:

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:id="@+id/textView"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:text="@string/hello_world"

android:layout_centerInParent="true"

/>