碼農的風格,直接上代碼。
android下判斷一個應用app是否是系統rom整合的方法:
import android.app.Activity;<br />import android.content.pm.ApplicationInfo;<br />import android.content.pm.PackageInfo;<br />import android.content.pm.PackageManager.NameNotFoundException;<br />import android.os.Bundle;<br />import android.widget.TextView;</p><p>public class AppTypeActivity extends Activity {</p><p>//軟體類型判斷軟體<br />//未知軟體類型<br />public static final int UNKNOW_APP = 0;<br />//使用者軟體類型<br />public static final int USER_APP = 1;<br />//系統軟體<br />public static final int SYSTEM_APP = 2;<br />//系統升級軟體<br />public static final int SYSTEM_UPDATE_APP = 4;<br />//系統+升級軟體<br />public static final int SYSTEM_REF_APP = SYSTEM_APP | SYSTEM_UPDATE_APP;</p><p> /** Called when the activity is first created. */<br /> @Override<br /> public void onCreate(Bundle savedInstanceState) {<br /> super.onCreate(savedInstanceState);<br /> setContentView(R.layout.main);</p><p> //要判斷的包名<br /> String pname = "com.hiapk.marketpho";<br /> //在text輸出的文字<br /> StringBuffer sb = new StringBuffer();<br /> sb.append(pname).append(" is: ");</p><p> switch (checkAppType(pname)) {<br />case SYSTEM_REF_APP:<br />//是系統rom整合軟體<br />sb.append("SYSTEM_REF_APP");<br />break;</p><p>case USER_APP:<br />//是使用者安裝軟體<br />sb.append("USER_APP");<br />break;</p><p>default:<br />//未知軟體<br />sb.append("UNKNOW_APP");<br />break;<br />}</p><p> TextView tv = (TextView)findViewById(R.id.textView);<br /> tv.setText(sb.toString());</p><p> }</p><p> /**<br /> * 檢查app是否是系統rom整合的<br /> * @param pname<br /> * @return<br /> */<br />private int checkAppType(String pname) {<br />try {<br />PackageInfo pInfo = getPackageManager().getPackageInfo(pname, 0);<br />// 是系統軟體或者是系統軟體更新<br />if (isSystemApp(pInfo) || isSystemUpdateApp(pInfo)) {<br />return SYSTEM_REF_APP;<br />} else {<br />return USER_APP;<br />}</p><p>} catch (NameNotFoundException e) {<br />e.printStackTrace();<br />}<br />return UNKNOW_APP;<br />}</p><p>/**<br /> * 是否是系統軟體或者是系統軟體的更新軟體<br /> * @return<br /> */<br />public boolean isSystemApp(PackageInfo pInfo) {<br />return ((pInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0);<br />}</p><p>public boolean isSystemUpdateApp(PackageInfo pInfo) {<br />return ((pInfo.applicationInfo.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0);<br />}</p><p>public boolean isUserApp(PackageInfo pInfo) {<br />return (!isSystemApp(pInfo) && !isSystemUpdateApp(pInfo));<br />}</p><p>}