Android检查facebook是否预装?
我添加了一个代码来检查Facebook是否已安装,在正常情况下它可以正常工作,但当Facebook默认出现在某些设备上时,它会说找不到包。有人能帮我吗Android检查facebook是否预装?,android,Android,我添加了一个代码来检查Facebook是否已安装,在正常情况下它可以正常工作,但当Facebook默认出现在某些设备上时,它会说找不到包。有人能帮我吗 public Boolean checkFbInstalled() { PackageManager pm = getPackageManager(); boolean flag = false; try { pm.getPackageInfo("com.faceb
public Boolean checkFbInstalled() {
PackageManager pm = getPackageManager();
boolean flag = false;
try {
pm.getPackageInfo("com.facebook.katana", PackageManager.GET_ACTIVITIES);
flag = true;
} catch (PackageManager.NameNotFoundException e) {
flag = false;
}
if (flag == false) {
try {
pm.getPackageInfo("com.facebook.lite", PackageManager.GET_ACTIVITIES);
flag = true;
} catch (PackageManager.NameNotFoundException e) {
flag = false;
}
}
if (flag == false) {
try {
pm.getPackageGids("com.facebook.katana");
flag = true;
} catch (PackageManager.NameNotFoundException e) {
flag = false;
}
}
return flag;
}
检查facebook软件包名称是否存在,并带有
try catch
:
try{
ApplicationInfo info = getPackageManager().
getApplicationInfo("com.facebook.katana", 0 );
return true;
}catch( PackageManager.NameNotFoundException e ){
return false;
}
注意:如果您想查看FacebookSDK是否存在,而不是Facebook应用程序,则需要将
getApplicationInfo()
方法上的包名从com.Facebook.katana
更改为com.Facebook.android不确定Tre packages是否工作,正常情况下此代码工作,但当Facebook默认进入手机时,它不工作,它总是只给出namenotfoundexception