MainActivity如下: 
复制代码代码如下:
package cn.testgethandsetinfo; 
importandroid.os.Bundle; 
import android.text.TextUtils; 
importandroid.widget.TextView; 
import android.app.Activity; 
importandroid.content.Context; 
import android.content.pm.PackageInfo; 
importandroid.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(BundlesavedInstanceState) { 
super.onCreate(savedInstanceState);
setContentView(R.layout.main); 
init(); 
} 
private void init(){
mTextView=(TextView) findViewById(R.id.textView);
mTextView.setText(getHandSetInfo()); 
} 
private StringgetHandSetInfo(){ 
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) { 
StringversionName = ""; 
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(); 
} 
returnversionName; 
} 
} 
main.xml如下: 
复制代码代码如下:
<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"
> 
<TextView 
android:id="@+id/textView"
android:layout_width="wrap_content" 
android:layout_height="wrap_content"
android:text="@string/hello_world" 
android:layout_centerInParent="true"
/> 
</RelativeLayout>