如何使用我的Android应用程序向Instagram发送照片?
我的应用程序拍摄照片,我想在Instagram上分享 我的应用程序将图像保存在此目录中如何使用我的Android应用程序向Instagram发送照片?,android,share,photo,instagram,Android,Share,Photo,Instagram,我的应用程序拍摄照片,我想在Instagram上分享 我的应用程序将图像保存在此目录中 File storagePath = new File(Environment.getExternalStorageDirectory() + "/DCIM/Camera/tubagram"); 现在,我正在尝试使用此代码获取我在Instagram中分享的最后一张照片 Intent shareIntent = new Intent(android.content.Intent.ACTION_SEND); s
File storagePath = new File(Environment.getExternalStorageDirectory() + "/DCIM/Camera/tubagram");
现在,我正在尝试使用此代码获取我在Instagram中分享的最后一张照片
Intent shareIntent = new Intent(android.content.Intent.ACTION_SEND);
shareIntent.setType("image/*");
final ContentResolver cr = getContentResolver();
final String[] p1 = new String[] {MediaStore.Images.ImageColumns._ID, MediaStore.Images.ImageColumns.DATE_TAKEN};
Cursor c1 = cr.query(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, p1, null, null, p1[1] + " DESC");
if (c1.moveToFirst() ) {
Log.i("Test", "last picture (" + c1.getString(0) + ") taken on: " + new Date(c1.getLong(1)));
}
shareIntent.putExtra(Intent.EXTRA_STREAM, Uri.parse("file://"+Environment.getExternalStorageDirectory() + "/DCIM/Camera/tubagram/" + c1.getString(0)));
shareIntent.setPackage("com.instagram.android");
c1.close();
startActivity(shareIntent);
我收到一封带有此错误消息“无法下载文件”的祝酒信。
这片土司由Instagram发送
我尝试使用这个链接示例,但没有成功。我解决了我的问题
我在照相机后面加上这一行
sendBroadcast(new Intent(Intent.ACTION_MEDIA_MOUNTED, Uri.parse("file://"+ Environment.getExternalStorageDirectory())));
在手机识别出储存在手机上的新闻照片后,此线路会进行“刷新”
我对我的方法做了一些改变
Intent shareIntent = new Intent(android.content.Intent.ACTION_SEND);
shareIntent.setType("image/*");
final ContentResolver cr = getContentResolver();
final String[] p1 = new String[] {
MediaStore.Images.ImageColumns._ID, MediaStore.Images.ImageColumns.TITLE, MediaStore.Images.ImageColumns.DATE_TAKEN
};
Cursor c1 = cr.query(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, p1, null, null, p1[1] + " DESC");
if (c1.moveToFirst() ) {
Log.i("Test", "last picture (" + c1.getString(1) + ") taken on: " + new Date(c1.getLong(2)));
}
Log.i("Image path", "file://"+Environment.getExternalStorageDirectory()+ "/Tubagram/" + c1.getString(1) + ".png");
shareIntent.putExtra(Intent.EXTRA_STREAM, Uri.parse("file://"+Environment.getExternalStorageDirectory()+ "/Tubagram/" + c1.getString(1)+".png"));
shareIntent.setPackage("com.instagram.android");
c1.close();
startActivity(shareIntent);
我用另一种方法验证Instagram是否安装在手机上
private boolean verifyInstagram(){
boolean installed = false;
try {
ApplicationInfo info = getPackageManager().getApplicationInfo("com.instagram.android", 0);
installed = true;
} catch (NameNotFoundException e) {
installed = false;
}
return installed;
}
将此代码放入按钮单击侦听器,它会将您重定向到应用程序中,并确保您的设备已安装Instagram应用程序
String type = "image/*";
imageview.buildDrawingCache();
Bitmap bmap = imageview.getDrawingCache();
Uri bmpUri = getLocalBitmapUri(bmap);
Intent share = new Intent(Intent.ACTION_SEND);
if (Utils.isPackageExisted(this,"com.instagram.android")) {
share.setPackage("com.instagram.android");
}
share.setType(type);
share.putExtra(Intent.EXTRA_STREAM, bmpUri);
startActivity(Intent.createChooser(share, "Share to"));
请尝试以下代码:
File mFileImagePath = " /storage/emulated/0/Image Editor/Media/FilterImages/Image_Editor_1547816365839.jpg "; // Just example you use file URL
private boolean checkAppInstall(String uri) {
PackageManager pm = getPackageManager();
try {
pm.getPackageInfo(uri, PackageManager.GET_ACTIVITIES);
return true;
} catch (PackageManager.NameNotFoundException e) {
//Error
}
return false;
}
private void shareInstagram(File mFileImagePath) {
Intent intent = getPackageManager().getLaunchIntentForPackage("com.instagram.android");
if (intent != null) {
Intent mIntentShare = new Intent(Intent.ACTION_SEND);
String mStrExtension = android.webkit.MimeTypeMap.getFileExtensionFromUrl(Uri.fromFile(mFileImagePath).toString());
String mStrMimeType = android.webkit.MimeTypeMap.getSingleton().getMimeTypeFromExtension(mStrExtension);
if (mStrExtension.equalsIgnoreCase("") || mStrMimeType == null) {
// if there is no extension or there is no definite mimetype, still try to open the file
mIntentShare.setType("text*//*");
} else {
mIntentShare.setType(mStrMimeType);
}
mIntentShare.putExtra(Intent.EXTRA_STREAM, Uri.fromFile(mFileImagePath));
mIntentShare.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
mIntentShare.setPackage("com.instagram.android");
startActivity(mIntentShare);
} else {
Toast.makeText(mContext, "Instagram have not been installed.", Toast.LENGTH_SHORT).show();
}
}
此代码适用于我,并将适用于所有Android设备。请尽量使用英文方法和变量,让每个人都能更好地理解你想做什么。你是否也能够将你的应用程序名与图像一起发送,以便其他人能够识别此内容是通过不同的应用程序而不是Instagram直接发送的?
getLocalBitmapUri
?getLocalBitmapUri是从位图图像中提供uri的函数代码如下:. <代码>公共Uri getLocalBitmapUri(位图bmp){Uri bmpUri=null;尝试{File File File=new File(getExternalFilesDir(Environment.DIRECTORY\u PICTURES),“share\u image”+System.currentTimeMillis()+“.png”);FileOutputStream out=new FileOutputStream(File);bmp.compress(Bitmap.CompressFormat.png,90,out);out.close();bmpUri=Uri.fromFile(file);}catch(IOException e){e.printStackTrace();}返回bmpUri;}