Java Uri.fromFile方法代码示例

import android.net.Uri; //导入方法依赖的package包/类
private void shareEvent ()
{
    String title = "Phoneypot: " + mEvent.getStartTime().toLocaleString();

    //need to "send multiple" to get more than one attachment
    final Intent emailIntent = new Intent(Intent.ACTION_SEND_MULTIPLE);
    emailIntent.setType("text/plain");

    emailIntent.putExtra(Intent.EXTRA_SUBJECT, title);
    emailIntent.putExtra(Intent.EXTRA_TEXT, generateLog());
    //has to be an ArrayList
    ArrayList<Uri> uris = new ArrayList<>();
    //convert from paths to Android friendly Parcelable Uri's
    for (EventTrigger trigger : mEvent.getEventTriggers())
    {
        File fileIn = new File(trigger.getPath());
        Uri u = Uri.fromFile(fileIn);
        uris.add(u);
    }

    emailIntent.putParcelableArrayListExtra(Intent.EXTRA_STREAM, uris);
    startActivity(Intent.createChooser(emailIntent, getString(R.string.share_event_action)));
}
 

import android.net.Uri; //导入方法依赖的package包/类
public static void updateMediaStore(Context context, ArrayList<DocumentInfo> docs, String parentPath) {
    try {
        if(Utils.hasKitKat()){
            ArrayList<String> paths = new ArrayList<>();
            for(DocumentInfo doc : docs){
                paths.add(parentPath + File.separator + doc.displayName);
            }
            String[] pathsArray = paths.toArray(new String[paths.size()]);
            FileUtils.updateMediaStore(context, pathsArray);
        }
        else{
            Uri contentUri = Uri.fromFile(new File(parentPath).getParentFile());
            Intent mediaScanIntent = new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE, contentUri);
            context.sendBroadcast(mediaScanIntent);
        }
    }
    catch (Exception e){
        e.printStackTrace();
    }
}
 

import android.net.Uri; //导入方法依赖的package包/类
/**
 * 分享单张图片至所有第三方软件
 */
public static void ShareSingleImage(Context context, File file) {
    Uri imageUri;

    if (Build.VERSION.SDK_INT >= 24) {
        imageUri = FileProvider.getUriForFile(context,"com.hzecool.common.fileProvider", file);
    } else {
        imageUri = Uri.fromFile(file);
    }


    Intent shareIntent = new Intent();
    shareIntent.setAction(Intent.ACTION_SEND);
    shareIntent.putExtra(Intent.EXTRA_STREAM, imageUri);
    shareIntent.setType("image/*");
    context.startActivity(Intent.createChooser(shareIntent, "分享到"));

}
 

import android.net.Uri; //导入方法依赖的package包/类
void  getSongsFiles(String Name){
    Intent intent = new Intent();
    intent.setAction(Intent.ACTION_SEND_MULTIPLE);
    intent.putExtra(Intent.EXTRA_SUBJECT, "All Songs from this Albums...");
    intent.setType("image/jpeg"); /* This example is sharing jpeg images. */

    ArrayList<Uri> files = new ArrayList<Uri>();
    String path = crtPath +  Name + "/";
    for(int i = 0;i < allsong.size();i++){
        if(allsong.get(i)[0].startsWith(path)){
            File file = new File(allsong.get(i)[0]);
            Uri uri = Uri.fromFile(file);
            files.add(uri);
        }
    }

    intent.putParcelableArrayListExtra(Intent.EXTRA_STREAM, files);
    Ui.ef.startActivity(intent);
}
 

import android.net.Uri; //导入方法依赖的package包/类
public Object instantiateItem(ViewGroup container, int position){
    View v = inflater.inflate(R.layout.viewpager_image,null);
    ImageView imgView = (ImageView) v.findViewById(R.id.viewPagerImage);
    //이미지를 가져옴
    Uri uri = Uri.fromFile(new File(cards.get(position)));

    try {
        Bitmap bitmap = MediaStore.Images.Media.getBitmap(inflater.getContext().getContentResolver(),uri);
        int nh = (int) (bitmap.getHeight() * (1024.0 / bitmap.getWidth()));
        Bitmap scaled = Bitmap.createScaledBitmap(bitmap, 1024, nh, true);

        imgView.setImageBitmap(scaled);

    } catch (IOException e) {
        e.printStackTrace();
    }
    container.addView(v);

    return v;
}
 

import android.net.Uri; //导入方法依赖的package包/类
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;
    }
 

import android.net.Uri; //导入方法依赖的package包/类
private static Intent getIntentByType(String param, String type) {
    Intent intent = new Intent("android.intent.action.VIEW");
    intent.addCategory("android.intent.category.DEFAULT");
    intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
    Uri uri = Uri.fromFile(new File(param));
    intent.setDataAndType(uri, type);
    return intent;
}
 

import android.net.Uri; //导入方法依赖的package包/类
/**
 * File convert Uri
 *
 * @param context
 * @param file
 * @return
 */
private 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;
}
 

import android.net.Uri; //导入方法依赖的package包/类
/**
 * 裁剪图片
 * @param uri
 * @param context
 */
public static void startPhotoZoom(Uri uri, Context context, String fileName) {

    File file = new File(context.getExternalCacheDir(), fileName);
    Uri outputUri = Uri.fromFile(new File(file.getPath()));
    String url = FileUtils.getPath(context, uri);

    Intent intent = new Intent("com.android.camera.action.CROP");
    //sdk>=24
    if (android.os.Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {

        Uri imageUri = FileProvider.getUriForFile(context, "com.highway.study.provider", new File(url));//通过FileProvider创建一个content类型的Uri
        intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
        intent.putExtra("noFaceDetection", true);//去除默认的人脸识别，否则和剪裁匡重叠
        intent.setDataAndType(imageUri, "image/*");

        //19=<sdk<24
    } else if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.KITKAT && android.os.Build.VERSION.SDK_INT < Build.VERSION_CODES.N) {
        intent.setDataAndType(Uri.fromFile(new File(url)), "image/*");

        //sdk<19
    } else {
        intent.setDataAndType(uri, "image/*");
    }
    intent.putExtra("crop", "true");// crop=true 有这句才能出来最后的裁剪页面.
    intent.putExtra("aspectX", 19);// 这两项为裁剪框的比例.
    intent.putExtra("aspectY", 20);// x:y=1:2
    intent.putExtra("outputX", 600);
    intent.putExtra("outputY", 500);
    intent.putExtra("output", outputUri);
    intent.putExtra("outputFormat", "JPEG");// 返回格式
    ((Activity)context).startActivityForResult(intent, CROP_PHOTO);
}
 

import android.net.Uri; //导入方法依赖的package包/类
/**
 * 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(final File file, final 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);
}
 

import android.net.Uri; //导入方法依赖的package包/类
/**
 * 跳转到裁剪页面
 *
 * @param source 需要裁剪的图片
 */
private void startCropActivity(Uri source) {
    SimpleDateFormat dateFormat = new SimpleDateFormat("yyyyMMdd_HHmmss", Locale.CHINA);
    String imageFileName = "IMG_" + dateFormat.format(new Date());

    Uri uri = Uri.fromFile(new File(getCacheDir(), imageFileName.concat(".jpeg")));
    UCrop.of(source, uri)
            .withAspectRatio(1, 1)
            .withMaxResultSize(1024, 1024)
            .withTargetActivity(VanCropActivity.class)
            .start(this);
}
 

import android.net.Uri; //导入方法依赖的package包/类
@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    outputFilePath = Environment.getExternalStorageDirectory().getAbsolutePath() + "/myimage.png";
    fileUri = Uri.fromFile(new File(outputFilePath));
    requestWindowFeature(Window.FEATURE_NO_TITLE);
    setContentView(R.layout.activity_crop);
    cropped = false;
    captureImage();
}
 

import android.net.Uri; //导入方法依赖的package包/类
public static Intent getChmFileIntent(File file)
{
    Intent intent = new Intent("android.intent.action.VIEW");
    intent.addCategory("android.intent.category.DEFAULT");
    intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
    Uri uri = Uri.fromFile(file);
    intent.setDataAndType(uri, "application/x-chm");
    return intent;
}
 

import android.net.Uri; //导入方法依赖的package包/类
public static Uri FileToUri(File file) {
    return Uri.fromFile(file);
}
 

import android.net.Uri; //导入方法依赖的package包/类
public Uri createForExternal(@NonNull String mimeType) throws IOException {
  return Uri.fromFile(new File(getExternalDir(context),
                      String.valueOf(System.currentTimeMillis()) + "." + getExtensionFromMimeType(mimeType)));
}