Android 7.0 后拍照和相册选择

7.0以后 打开相机需要再清单文件中添加provider，

话不多说 直接上代码  复制过去直接用

 如果申请完动态权限出现了 open failed: EACCES (Permission denied) 这个问题，那就在

application中加入 android:requestLegacyExternalStorage="true"

主activity

import android.Manifest;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.database.Cursor;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.net.Uri;
import android.os.Build;
import android.os.Bundle;
import android.os.Environment;
import android.provider.MediaStore;
import android.util.Log;
import android.view.View;
import android.widget.ImageView;
import android.widget.Toast;

import java.io.File;

public class MainActivity extends AppCompatActivity {

    private static int REQUEST_CAMERA = 1;
    private static int IMAGE_REQUEST_CODE = 2;

    private ImageView imageView;

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

        imageView = findViewById(R.id.image);

        applyWritePermission();
    }

    public void onClick(View view) {
        switch (view.getId()) {
            case R.id.camera:
                useCamera();
                break;
            case R.id.photo:
                getPhoto();
                break;
        }
    }


   
    private File file;

    private void useCamera() {
        Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
        file = new File(Environment.getExternalStorageDirectory().getAbsolutePath()
                + "/test/" + System.currentTimeMillis() + ".jpg");
        file.getParentFile().mkdirs();
        //改变Uri com.fhx.imagecommit.fileprovider注意和xml中的一致
        Uri uri = FileProvider.getUriForFile(this, "com.fhx.imagecommit.fileprovider", file);
        //添加权限
        intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
        intent.putExtra(MediaStore.EXTRA_OUTPUT, uri);
        startActivityForResult(intent, REQUEST_CAMERA);
    }

    private void getPhoto() {
        //在这里跳转到手机系统相册里面
        Intent intent = new Intent(
                Intent.ACTION_PICK,
                android.provider.MediaStore.Images.Media.EXTERNAL_CONTENT_URI);
        startActivityForResult(intent, IMAGE_REQUEST_CODE);
    }

 /**
 * 初始化相机相关权限 
* 适配6.0+手机的运行时权限 
*/
    public void applyWritePermission() {
        String[] permissions = new String[]{Manifest.permission.CAMERA,
                Manifest.permission.WRITE_EXTERNAL_STORAGE,
                Manifest.permission.READ_EXTERNAL_STORAGE};
        if (Build.VERSION.SDK_INT >= 23) {
            if (ContextCompat.checkSelfPermission(this, Manifest.permission.CAMERA)
                    != PackageManager.PERMISSION_GRANTED) {
                ActivityCompat.requestPermissions(this, permissions, 1);
            }
        }
    }

    @Override
    public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions,
                                           @NonNull int[] grantResults) {
        super.onRequestPermissionsResult(requestCode, permissions, grantResults);
        if (requestCode == 1 && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
            useCamera();
        } else {
            // 没有获取 到权限，从新请求，或者关闭app
            Toast.makeText(this, "需要存储权限", Toast.LENGTH_SHORT).show();
        }
    }

    private String paths;

    @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        super.onActivityResult(requestCode, resultCode, data);
        if (requestCode == REQUEST_CAMERA && resultCode == RESULT_OK) {
            Log.e("TAG", "拍照---------" + FileProvider.getUriForFile(this, "com.fhx.imagecommit.fileprovider", file));
            imageView.setImageBitmap(BitmapFactory.decodeFile(file.getAbsolutePath()));
            //在手机相册中显示刚拍摄的图片
            Intent mediaScanIntent = new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE);
            Uri contentUri = Uri.fromFile(file);
            mediaScanIntent.setData(contentUri);
            sendBroadcast(mediaScanIntent);
        }
        if (requestCode == IMAGE_REQUEST_CODE && resultCode == RESULT_OK) {
            Log.e("TAG", "选择---------" + FileProvider.getUriForFile(this, "com.fhx.imagecommit.fileprovider", file));
            try {
                Uri selectedImage = data.getData(); //获取系统返回的照片的Uri
                String[] filePathColumn = {MediaStore.Images.Media.DATA};
                Cursor cursor = getContentResolver().query(selectedImage,
                        filePathColumn, null, null, null);//从系统表中查询指定Uri对应的照片
                cursor.moveToFirst();
                int columnIndex = cursor.getColumnIndex(filePathColumn[0]);
                paths = cursor.getString(columnIndex); //获取照片路径
                cursor.close();
                Bitmap bitmap = BitmapFactory.decodeFile(paths);
                imageView.setImageBitmap(bitmap);
            } catch (Exception e) {
                e.printStackTrace();
            }
        }
    }
}

 

 

 

新建xml文件夹 新建 filepaths.xml

 

我的模拟器7.1  

手机10.0 

都可以完美运行，