android 7.0 拍照 适配

import android.Manifest;
import android.content.ContentValues;
import android.content.DialogInterface;
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.support.annotation.NonNull;
import android.support.annotation.Nullable;
import android.support.v4.app.ActivityCompat;
import android.support.v4.content.FileProvider;
import android.support.v7.app.AppCompatActivity;
import android.util.Log;
import android.view.View;
import android.widget.ImageView;

import java.io.File;
import java.io.FileNotFoundException;

/**
* Created by TQ on 2017/9/26.
*/

public class SecondActivity extends AppCompatActivity {

private static final int PHOTO_REQUEST_TAKEPHOTO = 8;private static final int PHOTO_REQUEST_GALLERY = 9; private static final int PHOTO_CODE = 11; private String[] permiss = new String[]{Manifest        .permission.CAMERA, Manifest.permission.WRITE_EXTERNAL_STORAGE,        Manifest.permission.READ_EXTERNAL_STORAGE };private File tempFile;ImageView imageView;@Overrideprotected void onCreate(@Nullable Bundle savedInstanceState) {    super.onCreate(savedInstanceState);    setContentView(R.layout.activity_main);    imageView = (ImageView) findViewById(R.id.image);}public void takePhoto(View view) {//拍照    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {        if (ActivityCompat.checkSelfPermission(this,permiss[0]) == PackageManager.PERMISSION_GRANTED                && ActivityCompat.checkSelfPermission(this,permiss[1]) == PackageManager.PERMISSION_GRANTED                && ActivityCompat.checkSelfPermission(this,permiss[2]) == PackageManager.PERMISSION_GRANTED){            getCamera();        }else {            if (ActivityCompat.shouldShowRequestPermissionRationale(this, Manifest.permission.CAMERA)) {                new android.support.v7.app.AlertDialog.Builder(this)                        .setMessage("申请相机权限")//第一次拒绝，第二次权限解释                        .setPositiveButton("确定", new DialogInterface.OnClickListener() {                            @Override                            public void onClick(DialogInterface dialog, int which) { //申请相机权限                                ActivityCompat.requestPermissions(SecondActivity.this,                                        permiss, PHOTO_CODE);                            }                        }).show();            } else {//第一次申请相机权限                ActivityCompat.requestPermissions(this, permiss, PHOTO_CODE);             }        }    } else {        getCamera();    }}public void takeGalery(View view) {//相册    Intent intent = new Intent(Intent.ACTION_PICK,            MediaStore.Images.Media.EXTERNAL_CONTENT_URI);    intent.setDataAndType(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, "image/*");    startActivityForResult(intent, PHOTO_REQUEST_GALLERY);}private void getCamera() {//拍照    Uri imageUri;    tempFile = new File(Environment.getExternalStorageDirectory(),System.currentTimeMillis()+"aa.png" );    Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE); // 拍照    if (Build.VERSION.SDK_INT <= 23) {        imageUri = Uri.fromFile(tempFile);    } else {        intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);        imageUri = FileProvider.getUriForFile(this, "com.example.tq.photopickdemo.file_paths", tempFile);    }    intent.putExtra(MediaStore.EXTRA_OUTPUT, imageUri);    startActivityForResult(intent, PHOTO_REQUEST_TAKEPHOTO);// 拍照}@Overridepublic void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {    super.onRequestPermissionsResult(requestCode, permissions, grantResults);    if (requestCode == PHOTO_CODE) {        if (grantResults[0] != PackageManager.PERMISSION_GRANTED) {            Log.e("------------","----权限获取失败-----");        } else {            getCamera();        }    }}@Overrideprotected void onActivityResult(int requestCode, int resultCode, Intent data) {    super.onActivityResult(requestCode, resultCode, data);    if (resultCode != RESULT_OK) {        return;    }    switch (requestCode) {        case PHOTO_REQUEST_GALLERY://相册            if (data != null) {                if (Build.VERSION.SDK_INT >= 23) {                    sendPhoto(data.getData());                } else {                    String imagePath = getImagePath(data.getData(), null);                    sendPhoto(Uri.fromFile(new File(imagePath)));                }            }            break;        case PHOTO_REQUEST_TAKEPHOTO://拍照            if (tempFile != null) {                if (Build.VERSION.SDK_INT  >  Build.VERSION_CODES.KITKAT) {                    sendPhoto(getImageContentUri(tempFile));                } else {                    sendPhoto(Uri.fromFile(tempFile));                }            }            break;    }}public Uri getImageContentUri(File imageFile) {    String filePath = imageFile.getAbsolutePath();    Cursor cursor = getContentResolver().query(            MediaStore.Images.Media.EXTERNAL_CONTENT_URI,            new String[]{MediaStore.Images.Media._ID},            MediaStore.Images.Media.DATA + "=? ",            new String[]{filePath}, null);//根据地址查询    if (cursor != null && cursor.moveToFirst()) {//如果有就转化为uri        int id = cursor.getInt(cursor                .getColumnIndex(MediaStore.MediaColumns._ID));        Uri baseUri = Uri.parse("content://media/external/images/media");        return Uri.withAppendedPath(baseUri, "" + id);    } else {//如果没有就保存到本地        if (imageFile.exists()) {            ContentValues values = new ContentValues();            values.put(MediaStore.Images.Media.DATA, filePath);            return getContentResolver().insert(                    MediaStore.Images.Media.EXTERNAL_CONTENT_URI, values);        } else {            return null;        }    }}/**根据uri查询文件地址**/private String getImagePath(Uri uri, String selection) {    String path = null; //通过Uri和selection获取真实的图片路径    Cursor cursor = getContentResolver().query(uri, null, selection, null, null);    if (cursor != null) {        if (cursor.moveToFirst()) {            path = cursor.getString(cursor.getColumnIndex(MediaStore.Images.Media.DATA));        }        cursor.close();    }    return path;}//图片public void sendPhoto(Uri uri) {    try {        Bitmap bitmap = BitmapFactory.decodeStream(getContentResolver().openInputStream(uri));        imageView.setImageBitmap(bitmap);    } catch (FileNotFoundException e) {        e.printStackTrace();    }}

}