(Android Studio java)如何修复错误:找不到用户0的提供程序;应为此授权找到有效的ContentProvider
亲爱的各位委员: 我正在使用相机意图(默认应用程序)。当我跑去排队时:(Android Studio java)如何修复错误:找不到用户0的提供程序;应为此授权找到有效的ContentProvider,java,Java,亲爱的各位委员: 我正在使用相机意图(默认应用程序)。当我跑去排队时: getContentResolver().notifyChange(selectedImage,null) 它会引发异常: 找不到用户0的提供程序;应为此授权找到有效的ContentProvider 请帮我这个忙。谢谢大家! AndroidManifest.xml <?xml version="1.0" encoding="utf-8"?> <manifest xmlns:android="http://s
getContentResolver().notifyChange(selectedImage,null)代码>
它会引发异常:
找不到用户0的提供程序;应为此授权找到有效的ContentProvider
请帮我这个忙。谢谢大家!
AndroidManifest.xml
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.example.auditor">
<uses-permission android:name="android.permission.CAMERA"/>
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.INTERNET" />
<application
android:allowBackup="true"
android:icon="@mipmap/ic_launcher"
android:label="@string/app_name"
android:roundIcon="@mipmap/ic_launcher_round"
android:supportsRtl="true"
android:theme="@style/AppTheme">
<activity android:name=".MainActivity">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
</manifest>
我曾经这样做过,但我使用的是Android 8,API级别26
您使用的应用程序版本是什么?您可以使用Android平台8(API级别26)
我希望它能帮助您忽略此异常。我曾经这样做过,但我使用的是
Android 8,API级别26
您使用的应用程序版本是什么?您可以使用Android平台8(API级别26)
我希望它能帮助你忽略这个例外
package com.example.auditor;
import android.app.Activity;
import android.content.ContentResolver;
import android.content.Intent;
import android.graphics.Bitmap;
import android.net.Uri;
import android.os.Environment;
import android.os.StrictMode;
import android.provider.MediaStore;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.ImageView;
import android.widget.Toast;
import java.io.File;
import java.text.SimpleDateFormat;
import java.util.Date;
public class MainActivity extends AppCompatActivity {
private static final int TAKE_PICTURE = 1;
private Uri imageUri;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
takePhoto();
}
public void takePhoto() {
StrictMode.VmPolicy.Builder builder = new StrictMode.VmPolicy.Builder();
StrictMode.setVmPolicy(builder.build());
Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
File photo = new File(Environment.getExternalStorageDirectory(), "Pic.jpg");
intent.putExtra(MediaStore.EXTRA_OUTPUT, Uri.fromFile(photo));
imageUri = Uri.fromFile(photo);
try {
startActivityForResult(intent, TAKE_PICTURE);
} catch (Exception e) {
String ex = e.getMessage();
}
}
@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
switch (requestCode) {
case TAKE_PICTURE:
if (resultCode == Activity.RESULT_OK) {
try {
Uri selectedImage = imageUri;
getContentResolver().notifyChange(selectedImage, null); //error here
ImageView imageView = (ImageView) findViewById(R.id.ImageView);
ContentResolver cr = getContentResolver();
Bitmap bitmap;
bitmap = android.provider.MediaStore.Images.Media.getBitmap(cr, selectedImage);
imageView.setImageBitmap(bitmap);
Toast.makeText(this, selectedImage.toString(), Toast.LENGTH_LONG).show();
} catch (Exception e) {
Toast.makeText(this, "Failed to load", Toast.LENGTH_SHORT).show();
Log.e("Camera", e.toString());
}
}
}
}
}