安卓如何获取安卓系统版本的号及安卓4.0以下如何屏蔽home键

桃扇骨 2022-09-17 11:22 225阅读 0赞

<table style="background:#f7f7f7"> 
 <tbody> 
 <tr> 
 <td style="background:#999999"> Platform Version </td> 
 <td style="background:#999999"> API Level </td> 
 <td style="background:#999999"> VERSION_CODE </td> 
 <td style="background:#999999"> Notes </td> 
 </tr> 
 <tr> 
 <td> <a href="http://developer.android.com/about/versions/android-4.2.html" rel="nofollow">Android 4.2</a> </td> 
 <td> <a title="Diff Report" href="http://developer.android.com/sdk/api_diff/17/changes.html" rel="nofollow">17</a> </td> 
 <td> <a href="http://developer.android.com/reference/android/os/Build.VERSION_CODES.html#JELLY_BEAN_MR1" rel="nofollow">JELLY_BEAN_MR1</a> </td> 
 <td> <a href="http://developer.android.com/about/versions/jelly-bean.html" rel="nofollow">Platform Highlights</a> </td> 
 </tr> 
 <tr> 
 <td> <a href="http://developer.android.com/about/versions/android-4.1.html" rel="nofollow">Android 4.1, 4.1.1</a> </td> 
 <td> <a title="Diff Report" href="http://developer.android.com/sdk/api_diff/16/changes.html" rel="nofollow">16</a> </td> 
 <td> <a href="http://developer.android.com/reference/android/os/Build.VERSION_CODES.html#JELLY_BEAN" rel="nofollow">JELLY_BEAN</a> </td> 
 <td> <a href="http://developer.android.com/about/versions/jelly-bean.html" rel="nofollow">Platform Highlights</a> </td> 
 </tr> 
 <tr> 
 <td> <a href="http://developer.android.com/about/versions/android-4.0.3.html" rel="nofollow">Android 4.0.3, 4.0.4</a> </td> 
 <td> <a title="Diff Report" href="http://developer.android.com/sdk/api_diff/15/changes.html" rel="nofollow">15</a> </td> 
 <td> <a href="http://developer.android.com/reference/android/os/Build.VERSION_CODES.html#ICE_CREAM_SANDWICH_MR1" rel="nofollow">ICE_CREAM_SANDWICH_MR1</a> </td> 
 <td> <a href="http://developer.android.com/about/versions/android-4.0-highlights.html" rel="nofollow">Platform Highlights</a> </td> 
 </tr> 
 <tr> 
 <td> <a href="http://developer.android.com/about/versions/android-4.0.html" rel="nofollow">Android 4.0, 4.0.1, 4.0.2</a> </td> 
 <td> <a title="Diff Report" href="http://developer.android.com/sdk/api_diff/14/changes.html" rel="nofollow">14</a> </td> 
 <td> <a href="http://developer.android.com/reference/android/os/Build.VERSION_CODES.html#ICE_CREAM_SANDWICH" rel="nofollow">ICE_CREAM_SANDWICH</a> </td> 
 </tr> 
 <tr> 
 <td> <a href="http://developer.android.com/about/versions/android-3.2.html" rel="nofollow">Android 3.2</a> </td> 
 <td> <a title="Diff Report" href="http://developer.android.com/sdk/api_diff/13/changes.html" rel="nofollow">13</a> </td> 
 <td> <a href="http://developer.android.com/reference/android/os/Build.VERSION_CODES.html#HONEYCOMB_MR2" rel="nofollow">HONEYCOMB_MR2</a> </td> 
 </tr> 
 <tr> 
 <td> <a href="http://developer.android.com/about/versions/android-3.1.html" rel="nofollow">Android 3.1.x</a> </td> 
 <td> <a title="Diff Report" href="http://developer.android.com/sdk/api_diff/12/changes.html" rel="nofollow">12</a> </td> 
 <td> <a href="http://developer.android.com/reference/android/os/Build.VERSION_CODES.html#HONEYCOMB_MR1" rel="nofollow">HONEYCOMB_MR1</a> </td> 
 <td> <a href="http://developer.android.com/about/versions/android-3.1-highlights.html" rel="nofollow">Platform Highlights</a> </td> 
 </tr> 
 <tr> 
 <td> <a href="http://developer.android.com/about/versions/android-3.0.html" rel="nofollow">Android 3.0.x</a> </td> 
 <td> <a title="Diff Report" href="http://developer.android.com/sdk/api_diff/11/changes.html" rel="nofollow">11</a> </td> 
 <td> <a href="http://developer.android.com/reference/android/os/Build.VERSION_CODES.html#HONEYCOMB" rel="nofollow">HONEYCOMB</a> </td> 
 <td> <a href="http://developer.android.com/about/versions/android-3.0-highlights.html" rel="nofollow">Platform Highlights</a> </td> 
 </tr> 
 <tr> 
 <td> <a href="http://developer.android.com/about/versions/android-2.3.3.html" rel="nofollow">Android 2.3.4 Android 2.3.3</a> </td> 
 <td> <a title="Diff Report" href="http://developer.android.com/sdk/api_diff/10/changes.html" rel="nofollow">10</a> </td> 
 <td> <a href="http://developer.android.com/reference/android/os/Build.VERSION_CODES.html#GINGERBREAD_MR1" rel="nofollow">GINGERBREAD_MR1</a> </td> 
 <td> <a href="http://developer.android.com/about/versions/android-2.3-highlights.html" rel="nofollow">Platform Highlights</a> </td> 
 </tr> 
 <tr> 
 <td> <a href="http://developer.android.com/about/versions/android-2.3.html" rel="nofollow">Android 2.3.2 Android 2.3.1 Android 2.3</a> </td> 
 <td> <a title="Diff Report" href="http://developer.android.com/sdk/api_diff/9/changes.html" rel="nofollow">9</a> </td> 
 <td> <a href="http://developer.android.com/reference/android/os/Build.VERSION_CODES.html#GINGERBREAD" rel="nofollow">GINGERBREAD</a> </td> 
 </tr> 
 <tr> 
 <td> <a href="http://developer.android.com/about/versions/android-2.2.html" rel="nofollow">Android 2.2.x</a> </td> 
 <td> <a title="Diff Report" href="http://developer.android.com/sdk/api_diff/8/changes.html" rel="nofollow">8</a> </td> 
 <td> <a href="http://developer.android.com/reference/android/os/Build.VERSION_CODES.html#FROYO" rel="nofollow">FROYO</a> </td> 
 <td> <a href="http://developer.android.com/about/versions/android-2.2-highlights.html" rel="nofollow">Platform Highlights</a> </td> 
 </tr> 
 <tr> 
 <td> <a href="http://developer.android.com/about/versions/android-2.1.html" rel="nofollow">Android 2.1.x</a> </td> 
 <td> <a title="Diff Report" href="http://developer.android.com/sdk/api_diff/7/changes.html" rel="nofollow">7</a> </td> 
 <td> <a href="http://developer.android.com/reference/android/os/Build.VERSION_CODES.html#ECLAIR_MR1" rel="nofollow">ECLAIR_MR1</a> </td> 
 <td> <a href="http://developer.android.com/about/versions/android-2.0-highlights.html" rel="nofollow">Platform Highlights</a> </td> 
 </tr> 
 <tr> 
 <td> <a href="http://developer.android.com/about/versions/android-2.0.1.html" rel="nofollow">Android 2.0.1</a> </td> 
 <td> <a title="Diff Report" href="http://developer.android.com/sdk/api_diff/6/changes.html" rel="nofollow">6</a> </td> 
 <td> <a href="http://developer.android.com/reference/android/os/Build.VERSION_CODES.html#ECLAIR_0_1" rel="nofollow">ECLAIR_0_1</a> </td> 
 </tr> 
 <tr> 
 <td> <a href="http://developer.android.com/about/versions/android-2.0.html" rel="nofollow">Android 2.0</a> </td> 
 <td> <a title="Diff Report" href="http://developer.android.com/sdk/api_diff/5/changes.html" rel="nofollow">5</a> </td> 
 <td> <a href="http://developer.android.com/reference/android/os/Build.VERSION_CODES.html#ECLAIR" rel="nofollow">ECLAIR</a> </td> 
 </tr> 
 <tr> 
 <td> <a href="http://developer.android.com/about/versions/android-1.6.html" rel="nofollow">Android 1.6</a> </td> 
 <td> <a title="Diff Report" href="http://developer.android.com/sdk/api_diff/4/changes.html" rel="nofollow">4</a> </td> 
 <td> <a href="http://developer.android.com/reference/android/os/Build.VERSION_CODES.html#DONUT" rel="nofollow">DONUT</a> </td> 
 <td> <a href="http://developer.android.com/about/versions/android-1.6-highlights.html" rel="nofollow">Platform Highlights</a> </td> 
 </tr> 
 <tr> 
 <td> <a href="http://developer.android.com/about/versions/android-1.5.html" rel="nofollow">Android 1.5</a> </td> 
 <td> <a title="Diff Report" href="http://developer.android.com/sdk/api_diff/3/changes.html" rel="nofollow">3</a> </td> 
 <td> <a href="http://developer.android.com/reference/android/os/Build.VERSION_CODES.html#CUPCAKE" rel="nofollow">CUPCAKE</a> </td> 
 <td> <a href="http://developer.android.com/about/versions/android-1.5-highlights.html" rel="nofollow">Platform Highlights</a> </td> 
 </tr> 
 <tr> 
 <td> <a href="http://developer.android.com/about/versions/android-1.1.html" rel="nofollow">Android 1.1</a> </td> 
 <td> 2 </td> 
 <td> <a href="http://developer.android.com/reference/android/os/Build.VERSION_CODES.html#BASE_1_1" rel="nofollow">BASE_1_1</a> </td> 
 </tr> 
 <tr> 
 <td> Android 1.0 </td> 
 <td> 1 </td> 
 <td> <a href="http://developer.android.com/reference/android/os/Build.VERSION_CODES.html#BASE" rel="nofollow">BASE</a> </td> 
 </tr> 
 </tbody> 
</table>

public class hello extends Activity \{  
 int currentapiVersion=1;  
 @Override  
 protected void onCreate(Bundle savedInstanceState) \{  
  // TODO 自动生成的方法存根  
  super.onCreate(savedInstanceState);  
  setContentView(R.layout.hello);  
  currentapiVersion=android.os.Build.VERSION.SDK\_INT;//获取安卓系统的版本号  
    
 \}

//屏蔽home键 
public void onAttachedToWindow() \{  
 if( currentapiVersion<14) 
 \{ 
     this.getWindow().setType(WindowManager.LayoutParams.TYPE\_KEYGUARD);  
     super.onAttachedToWindow();  
 \} 
\} 
\}