安卓版Android設備相機崩潰問題> 6.0

Question

在android版本> 6.0的一些android設備中，當我訪問相機時，設備相機被打開，當我捕獲並接受圖片時，相機崩潰（加載相機再次），我有相機訪問權限。可以做些什麼？任何想法？

Answer 1

你需要問run time permission因爲在在Android 6.0（API級別23）開始，用戶授予權限的應用程序應用程序運行時，而不是當他們安裝應用程序。

ask for run time permission for camera using below code

String permission = android.Manifest.permission.CAMERA; 
if (ActivityCompat.checkSelfPermission(SearchCityClass.this, permission) 
    != PackageManager.PERMISSION_GRANTED){ 
     ActivityCompat.requestPermissions(SearchCityClass.this, new String[] 
        {permission}, 1); 

} 

now handle permisiion result

因爲運行時間許可的

@Override 
public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, 
             @NonNull int[] grantResults) { 
    super.onRequestPermissionsResult(requestCode, permissions, grantResults); 
    if (requestCode == 1) { 
     if (grantResults[0] == PackageManager.PERMISSION_GRANTED) { 

      // perform your action here 
      Toast.makeText(this, "Camera_permission_granted ", Toast.LENGTH_SHORT).show(); 

     } else { 

      Toast.makeText(this, "Camera_permission_not_granted ", Toast.LENGTH_SHORT).show(); 
     } 
    } 

} 

Answer 2

btnCamara.setOnClickListener(new View.OnClickListener() 
{ 
    @Override 
    public void onClick (View view){ 
    if (hasPermissionUseCamera()) { 
     //do smth 
    } 
    } 
} 

public boolean hasPermissionUseCamera() { 
    if (Build.VERSION.SDK_INT >= 23) { 
     if (ActivityCompat.checkSelfPermission(getContext(), Manifest.permission.WRITE_EXTERNAL_STORAGE) == PackageManager.PERMISSION_GRANTED) { 
      return true; 
     } else { 
      requestPermissions(new String[]{Manifest.permission.CAMERA}, 0); 
      return false; 
     } 
    } else { //permission is automatically granted on sdk<23 upon installation 
     return true; 
    } 
} 

@RequiresApi(api = Build.VERSION_CODES.M) 
@Override 
public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) { 

    switch (requestCode) { 
     case 0: { 
      if (getActivity().checkSelfPermission(Manifest.permission.CAMERA) == PackageManager.PERMISSION_GRANTED) { 
       //do smth 
      } else { 
       Toast.makeText(getActivity(), "Access Denied", Toast.LENGTH_SHORT).show(); 
      } 
      break; 
     } 
    } 
}