1
爲了獲得權限的描述。我用下面的代碼:獲取權限描述返回'null'
PackageManager packageManager = this.getPackageManager();
long time = System.currentTimeMillis();
PermissionInfo pinfo = null;
try {
pinfo = packageManager.getPermissionInfo("android.permission.BODY_SENSORS", PackageManager.GET_META_DATA);
if(pinfo != null) Log.i("permissions","pInfo not null???????????????????????????????????????");
Log.i("permissions ", pinfo.loadDescription(packageManager) + " *** " + pinfo.group);
} catch (PackageManager.NameNotFoundException e) {
e.printStackTrace();
}
time = System.currentTimeMillis() - time;
但對於某些權限,喜歡 - android.permission.BATTERY_STATS
,我有一個null
char
序列當我打電話pinfo.loadDescription(packageManager)
。我不明白爲什麼?我試圖找到原因,但沒辦法得到它。任何安卓專家都可以爲我解釋一下嗎?
非常感謝您的幫助。我找出了原因:) – sophie281988