2016-07-30 85 views
5

我是firebase存儲新手。就這樣我可以學習它,我做了一個簡單的應用程序,它有一個按鈕和一個ImageView。當我點擊按鈕時,圖像(from drawable)顯示在ImageView上。我還編寫了在Firebase上上傳圖片的代碼,但onAddFailureListener的例外消息給出了消息用戶沒有權限訪問此對象。我該怎麼辦?用戶沒有權限訪問此對象。 Firebase存儲android

package com.example.asad.save_photo; 

import android.app.Activity; 
import android.graphics.Bitmap; 
import android.os.Bundle; 
import android.net.Uri; 
import android.os.Environment; 
import android.support.annotation.NonNull; 
import android.support.v7.app.AppCompatActivity; 
import android.os.Bundle; 
import android.view.View; 
import android.widget.Button; 
import android.widget.ImageView; 
import android.widget.Toast; 

import com.google.android.gms.tasks.OnFailureListener; 
import com.google.android.gms.tasks.OnSuccessListener; 
import com.google.firebase.storage.FirebaseStorage; 
import com.google.firebase.storage.StorageMetadata; 
import com.google.firebase.storage.StorageReference; 
import com.google.firebase.storage.UploadTask; 

import java.io.ByteArrayOutputStream; 
import java.io.File; 

public class MainActivity extends AppCompatActivity { 

    @Override 
    protected void onCreate(Bundle savedInstanceState) { 
     super.onCreate(savedInstanceState); 
     setContentView(R.layout.activity_main); 
     FirebaseStorage storage = FirebaseStorage.getInstance(); 

     StorageReference storageRef = storage.getReferenceFromUrl("gs://savephoto-a1cc3.appspot.com"); 

     final StorageReference mountainsRef = storageRef.child("asad"); 

     Button butt = (Button) findViewById(R.id.button); 


     butt.setOnClickListener(new View.OnClickListener() { 
      @Override 
      public void onClick(View v) { 

       ImageView imageView = (ImageView) findViewById(R.id.image); 
       imageView.setImageResource(R.drawable.back2); 
       //imageView.setImageResource(R.drawable.back2); 

       imageView.setDrawingCacheEnabled(true); 
       imageView.buildDrawingCache(); 
       Bitmap bitmap = imageView.getDrawingCache(); 


       ByteArrayOutputStream baos = new ByteArrayOutputStream(); 
       bitmap.compress(Bitmap.CompressFormat.JPEG, 100, baos); 
       final byte[] data = baos.toByteArray(); 

       UploadTask uploadTask = mountainsRef.putBytes(data); 
       uploadTask.addOnFailureListener(new OnFailureListener() { 
        @Override 
        public void onFailure(@NonNull Exception exception) { 
         // Handle unsuccessful uploads 
         showToast(exception.getMessage()); 
        } 
       }); 
         uploadTask.addOnSuccessListener(new OnSuccessListener<UploadTask.TaskSnapshot>() { 
        @Override 
        public void onSuccess(UploadTask.TaskSnapshot taskSnapshot) { 
         // taskSnapshot.getMetadata() contains file metadata such as size, content-type, and download URL. 
         //Uri downloadUrl = taskSnapshot.getDownloadUrl(); 
         showToast("success !!!!!"); 
        } 
       }); 


      } 
     }); 

    } 

    public void showToast(String s) { 
     Toast.makeText(this,s,Toast.LENGTH_LONG).show(); 
    } 
} 

這裏是我的火力存儲規則

service firebase.storage { 
    match /b/savephoto-a1cc3.appspot.com/o { 
    allow read,write; 
    } 
} 
+0

您的操作系統版本是6.0?如果是,那麼從http://stackoverflow.com/questions/38141523/directory-creation-not-working-in-marshmallow-android/38141778#38141778 –

+0

獲得運行時權限。我的操作系統版本是4.2 – ashay

+0

您是否在清單文件中添加權限? –

回答

13

更新與match /{allPaths=**}您的安全規則,以表明公共讀寫權限允許對所有路徑:

service firebase.storage { 
    match /b/savephoto-a1cc3.appspot.com/o { 
    match /{allPaths=**} { 
     // Allow access by all users 
     allow read, write; 
    } 
    } 
} 

各種默認規則在文檔的Sample Rules部分的選項卡中提供。

+1

你在哪裏添加這個? –

+0

@rosualin:在您的項目的[Firebase Console](https://console.firebase.google.com/)上 –

2

更改您的存儲規則火力地堡控制檯

enter image description here

service firebase.storage { 
    match /b/{bucket}/o { 
    match /{allPaths=**} { 
     allow read, write: if request.auth != null; 
    } 
    } 
} 
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