關於華為手機訪問本地的許可權問題
阿新 • • 發佈:2019-01-06
由於華為手機在android6.0以上也就是API 23+以上的進行的許可權管理,所以需要新增許可權
在AndroidMainifest中新增以下許可權
<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.MOUNT_UNMOUNT_FILESYSTEMS" />
在JAVA程式碼中執行時實時請求許可權:
// Storage Permissions
private static final int REQUEST_EXTERNAL_STORAGE = 1;
private static String[] PERMISSIONS_STORAGE = {
Manifest.permission.READ_EXTERNAL_STORAGE,
Manifest.permission.WRITE_EXTERNAL_STORAGE };
/**
* Checks if the app has permission to write to device storage
* If the app does not has permission then the user will be prompted to
* grant permissions
* @param activity
*/
public static void verifyStoragePermissions(Activity activity) {
// Check if we have write permission
int permission = ActivityCompat.checkSelfPermission(activity,
Manifest.permission.WRITE_EXTERNAL_STORAGE);
if (permission != PackageManager.PERMISSION_GRANTED) {
// We don't have permission so prompt the user
ActivityCompat.requestPermissions(activity, PERMISSIONS_STORAGE,
REQUEST_EXTERNAL_STORAGE);
}
}
異常資訊:
java.io.IOException: open failed: ENOENT (No such file or directory)
07-17 10:57:31.275 9327-9327/com.jackson.spdtreport W/System.err: at java.io.File.createNewFile(File.java:942)
還有我的定位功能在華為手機上有崩潰,但是在新增這些許可權之後就沒了