Java Code Examples for android.net.Uri#fromFile()

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

    mCamera = (TextView) findViewById(R.id.camera);
    mAlbum = (TextView) findViewById(R.id.album);
    mPicture = (ImageView) findViewById(R.id.picture);
    mPicture2 = (ImageView) findViewById(R.id.picture2);

    mCamera.setOnClickListener(this);
    mAlbum.setOnClickListener(this);

    mCameraUri = Uri.fromFile(new File(Environment.getExternalStorageDirectory() + "/camera.png"));
    mAlbumFile = new File(Environment.getExternalStorageDirectory() + "/album.png");

}
 

/**
 * 安装一个apk
 *
 * @param context     上下文
 * @param authorities Android N 授权
 * @param apk         安装包文件
 */
public static void installApk(Context context, String authorities, File apk) {
    Intent intent = new Intent(Intent.ACTION_VIEW);
    intent.setAction(Intent.ACTION_VIEW);
    intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
    intent.addCategory(Intent.CATEGORY_DEFAULT);
    Uri uri;
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
        uri = FileProvider.getUriForFile(context, authorities, apk);
        intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
    } else {
        uri = Uri.fromFile(apk);
    }
    intent.setDataAndType(uri, "application/vnd.android.package-archive");
    context.startActivity(intent);
}
 

static Uri getUriFromFile(Context context, File file) {
        Uri uri = null;

//        LogUtils.i("Info", "::" + context.getApplicationInfo().targetSdkVersion + "   INT:" + Build.VERSION.SDK_INT);
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
            uri = getUriFromFileForN(context, file);
        } else {
            uri = Uri.fromFile(file);
        }
        return uri;
    }
 

@Override
public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
    super.onRequestPermissionsResult(requestCode, permissions, grantResults);

    switch (requestCode) {
        //调用系统相机申请拍照权限回调
        case CAMERA_PERMISSIONS_REQUEST_CODE: {
            if (grantResults.length > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
                if (hasSdcard()) {
                    imageUri = Uri.fromFile(fileUri);
                    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N)
                        imageUri = FileProvider.getUriForFile(UserDataActivity.this, "com.example.fileprovider", fileUri);//通过FileProvider创建一个content类型的Uri
                    PhotoUtils.takePicture(this, imageUri, CODE_CAMERA_REQUEST);
                } else {
                    Toasty.info(this, "设备没有SD卡", Toast.LENGTH_SHORT, true).show();
                }
            } else {
                Toasty.info(this, "请允许打开相机", Toast.LENGTH_SHORT, true).show();
            }
            break;


        }
        //调用系统相册申请Sdcard权限回调
        case STORAGE_PERMISSIONS_REQUEST_CODE:
            if (grantResults.length > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
                PhotoUtils.openPic(this, CODE_GALLERY_REQUEST);
            } else {

                Toasty.info(this, "请允许操作SD卡", Toast.LENGTH_SHORT, true).show();
            }
            break;
        default:
    }
}
 

public static Intent getAllIntent(String param) {

        Intent intent = new Intent();
        intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
        intent.setAction(android.content.Intent.ACTION_VIEW);
        Uri uri = Uri.fromFile(new File(param));
        intent.setDataAndType(uri, "*/*");
        return intent;
    }
 

public static Uri getUri(@NonNull final File file) {
    try {
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
            return FileProvider.getUriForFile(AppContext.getAppContext(), AUTHORITY, file);
        } else {
            return Uri.fromFile(file);
        }
    } catch (Exception e) {
        e.printStackTrace();
    }
    return null;
}
 

/**
 * 打开文件（字面意思）
 *
 * @param context  {@link Context}
 * @param filePath 文件完整路径
 * @return 是否成功打开
 */
public static boolean openFile(Context context, String filePath) {
    File f = new File(filePath);
    Uri uri = Build.VERSION.SDK_INT < Build.VERSION_CODES.N
            ? Uri.fromFile(f)
            : FileProvider.getUriForFile(context, BuildConfig.APPLICATION_ID + ".file_provider", f);
    try {
        context.startActivity(new Intent(Intent.ACTION_VIEW).addFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_GRANT_READ_URI_PERMISSION)
                .setDataAndType(uri, getMimeTypeFromUrl(filePath)));
        return true;
    } catch (ActivityNotFoundException ignored) {
        return false;
    }
}
 

/**
 * 跳转相机拍照
 */
private void showCamera() {

    if (isSingleType) {
        //如果是单类型选取，判断添加类型是否满足（照片视频不能共存）
        ArrayList<String> selectPathList = SelectionManager.getInstance().getSelectPaths();
        if (!selectPathList.isEmpty()) {
            if (MediaFileUtil.isVideoFileType(selectPathList.get(0))) {
                //如果存在视频，就不能拍照了
                Toast.makeText(this, getString(R.string.single_type_choose), Toast.LENGTH_SHORT).show();
                return;
            }
        }
    }

    //拍照存放路径
    File fileDir = new File(Environment.getExternalStorageDirectory(), "Pictures");
    if (!fileDir.exists()) {
        fileDir.mkdir();
    }
    mFilePath = fileDir.getAbsolutePath() + "/IMG_" + System.currentTimeMillis() + ".jpg";

    Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
    Uri uri;
    if (Build.VERSION.SDK_INT >= 24) {
        uri = FileProvider.getUriForFile(this, ImagePickerProvider.getFileProviderName(this), new File(mFilePath));
    } else {
        uri = Uri.fromFile(new File(mFilePath));
    }
    intent.putExtra(MediaStore.EXTRA_OUTPUT, uri);
    startActivityForResult(intent, REQUEST_CODE_CAPTURE);
}
 

public static void shareImage(Context context, File file) {
    Uri uri;
    if (Build.VERSION.SDK_INT >= 24) {
        uri = FileProvider.getUriForFile(context, context.getPackageName() + ".fileprovider", file);
    } else {
        uri = Uri.fromFile(file);
    }
    Intent intent = new Intent(Intent.ACTION_SEND);
    intent.putExtra(Intent.EXTRA_STREAM, uri);
    intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
    intent.setType("image/*");
    context.startActivity(Intent.createChooser(intent, "Share image via"));
}
 

/**
 * android获取一个用于打开音频文件的intent
 *
 * @param param
 * @return
 */
public static Intent getAudioFileIntent(String param) {
    Intent intent = new Intent("android.intent.action.VIEW");
    intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
    intent.putExtra("oneshot", 0);
    intent.putExtra("configchange", 0);
    Uri uri = Uri.fromFile(new File(param));
    intent.setDataAndType(uri, "audio/*");
    return intent;
}
 

public void onDownloadStart(Context context, String url, String userAgent,
                            String contentDisposition, String mimetype, long contentLength) {
    if (contentDisposition == null
            || !contentDisposition.regionMatches(true, 0, "attachment", 0, 10)) {
        Intent installIntent = new Intent(Intent.ACTION_VIEW);
        String filename = url;
        Uri path = Uri.parse(filename);
        if (path.getScheme() == null) {
            path = Uri.fromFile(new File(filename));
        }
        installIntent.setDataAndType(path, mimetype);
        installIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
        if (checkInstallApp(context, installIntent)) {
            try {
                context.startActivity(installIntent);
            } catch (Exception e) {
                e.printStackTrace();
                Toast.makeText(context, EUExUtil.getString("can_not_find_suitable_app_perform_this_operation"), Toast.LENGTH_SHORT).show();
            }
            return;
        }
    }
    if (null != mDialog) {
        return;
    }
    mDialog = new EDownloadDialog(context, url);
    mDialog.userAgent = userAgent;
    mDialog.contentDisposition = contentDisposition;
    mDialog.mimetype = mimetype;
    mDialog.contentLength = contentLength;
    ECallback callback = new ECallback() {
        @Override
        public void callback(Object obj) {
            mDialog = null;
        }
    };
    mDialog.setDoneCallback(callback);
    mDialog.show();
}
 

private void checkNfc() throws Exception {
    // Check for available NFC Adapter
    mNfcAdapter = NfcAdapter.getDefaultAdapter(this);
    if (mNfcAdapter != null) {
        mNfcAdapter.setBeamPushUrisCallback(this, this);
        File databaseFile = ResourcesManager.getInstance(this).getDatabaseFile();
        mFileUris[0] = Uri.fromFile(databaseFile);
    }
}
 

/**
 * Convert File into Uri.
 *
 * @param file
 * @return uri
 */
public static Uri getUri(File file) {
    if (file != null) {
        return Uri.fromFile(file);
    }
    return null;
}
 

/**
 * 获取安装App(支持7.0)的意图
 *
 * @param file      文件
 * @param authority 7.0及以上安装需要传入清单文件中的{@code <provider>}的authorities属性
 *                  <br>参看https://developer.android.com/reference/android/support/v4/content/FileProvider.html
 * @return intent
 */
public static Intent getInstallAppIntent(File file, String authority) {
    if (file == null) return null;
    Intent intent = new Intent(Intent.ACTION_VIEW);
    Uri data;
    String type = "application/vnd.android.package-archive";
    if (Build.VERSION.SDK_INT < Build.VERSION_CODES.N) {
        data = Uri.fromFile(file);
    } else {
        intent.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
        data = FileProvider.getUriForFile(Utils.getContext(), authority, file);
    }
    intent.setDataAndType(data, type);
    return intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
}
 

public static Uri getUriForFile(Context context, File file) {
    Uri fileUri = null;
    if (Build.VERSION.SDK_INT >= 24) {
        fileUri = getUriForFile24(context, file);
    } else {
        fileUri = Uri.fromFile(file);
    }
    return fileUri;
}
 

/**
 * 扫描图片
 */
public static void galleryAddPic(Context context, File file) {
    Intent mediaScanIntent = new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE);
    Uri contentUri = Uri.fromFile(file);
    mediaScanIntent.setData(contentUri);
    context.sendBroadcast(mediaScanIntent);
}
 

/**
 * 打开图片资源
 *
 * @param context
 * @param file
 */
public static void openImageIntent(Context context, File file) {
    Uri path = Uri.fromFile(file);
    Intent intent = new Intent(Intent.ACTION_VIEW);
    intent.addCategory("android.intent.category.DEFAULT");
    intent.setDataAndType(path, "image/*");
    intent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
    context.startActivity(intent);
}
 

public static Intent getVideoFileIntent(File file) {
	Intent intent = new Intent("android.intent.action.VIEW");
	intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
	intent.putExtra("oneshot", 0);
	intent.putExtra("configchange", 0);
	Uri uri = Uri.fromFile(file);
	intent.setDataAndType(uri, "video/*");
	return intent;
}
 

/**
 * Get image from photo library.
 *
 * @param quality           Compression quality hint (0-100: 0=low quality & high compression, 100=compress of max quality)
 * @param srcType           The album to get image from.
 * @param returnType        Set the type of image to return.
 * @param encodingType 
 */
// TODO: Images selected from SDCARD don't display correctly, but from CAMERA ALBUM do!
// TODO: Images from kitkat filechooser not going into crop function
public void getImage(int srcType, int returnType, int encodingType) {
    Intent intent = new Intent();
    String title = GET_PICTURE;
    croppedUri = null;
    if (this.mediaType == PICTURE) {
        intent.setType("image/*");
        if (this.allowEdit) {
            intent.setAction(Intent.ACTION_PICK);
            intent.putExtra("crop", "true");
            if (targetWidth > 0) {
                intent.putExtra("outputX", targetWidth);
            }
            if (targetHeight > 0) {
                intent.putExtra("outputY", targetHeight);
            }
            if (targetHeight > 0 && targetWidth > 0 && targetWidth == targetHeight) {
                intent.putExtra("aspectX", 1);
                intent.putExtra("aspectY", 1);
            }
            File photo = createCaptureFile(encodingType);
            croppedUri = Uri.fromFile(photo);
            intent.putExtra(android.provider.MediaStore.EXTRA_OUTPUT, croppedUri);
        } else {
            intent.setAction(Intent.ACTION_GET_CONTENT);
            intent.addCategory(Intent.CATEGORY_OPENABLE);
        }
    } else if (this.mediaType == VIDEO) {
            intent.setType("video/*");
            title = GET_VIDEO;
      intent.setAction(Intent.ACTION_GET_CONTENT);
      intent.addCategory(Intent.CATEGORY_OPENABLE);
    } else if (this.mediaType == ALLMEDIA) {
            // I wanted to make the type 'image/*, video/*' but this does not work on all versions
            // of android so I had to go with the wildcard search.
            intent.setType("*/*");
            title = GET_All;
      intent.setAction(Intent.ACTION_GET_CONTENT);
      intent.addCategory(Intent.CATEGORY_OPENABLE);
    }
    if (this.cordova != null) {
        this.cordova.startActivityForResult((CordovaPlugin) this, Intent.createChooser(intent,
                new String(title)), (srcType + 1) * 16 + returnType + 1);
    }
}
 

public static Uri getImageUri(String path) {
	return Uri.fromFile(new File(path));
}