1.獲取應用的當前版本號
我們在AndroidManifest.xml中設置程序的版本號等,如android:versionName="1.0.0"。如果想在代碼中獲取這個版本號,可以用如下方法(這些修改版本號時只需要修改AndroidManifest.xml中的設置,不用修改代碼了):
- public static String getAppVersionName(Context context) {
- String versionName = "";
- try {
- // ---get the package info---
- PackageManager pm = context.getPackageManager();
- PackageInfo pi = pm.getPackageInfo(context.getPackageName(), 0);
- versionName = pi.versionName;
- versioncode = pi.versionCode;
- if (versionName == null || versionName.length() <= 0) {
- return "";
- }
- } catch (Exception e) {
- Log.e("VersionInfo", "Exception", e);
- }
- return versionName;
- }
2.獲取當前android系統的版本號
textView.setText("Product Model: " + android.os.Build.MODEL + "," + android.os.Build.VERSION.SDK + "," + android.os.Build.VERSION.RELEASE);
或者:
/* * Build.VERSION_CODES 1 (0x00000001) Android 1.0 BASE 2 (0x00000002) Android 1.1 BASE_1_1 3 (0x00000003) Android 1.5 CUPCAKE 4 (0x00000004) Android 1.6 DONUT 5 (0x00000005) Android 2.0 ECLAIR 6 (0x00000006) Android 2.0.1 ECLAIR_0_1 7 (0x00000007) Android 2.1 ECLAIR_MR1 8 (0x00000008) Android 2.2 FROYO 9 (0x00000009) Android 2.3 GINGERBREAD 10 (0x0000000a) Android 2.3.3 GINGERBREAD_MR1 11 (0x0000000b) Android 3.0 HONEYCOMB 12 (0x0000000c) Android 3.1 HONEYCOMB_MR1 13 (0x0000000d) Android 3.2 HONEYCOMB_MR2*/
/*獲取當前系統的android版本號*/ int currentapiVersion = android.os.Build.VERSION.SDK_INT;