function getAlbumCovers() {
//first check to see if profile pics already exist in user model
//create a collection
var usersCollection = Alloy.Collections.user;
facebookModule.requestWithGraphPath('me/albums', {
fields : 'id,name,cover_photo,count,created_time'
}, 'GET', function(graphResp) {
//show view indicator before data is fetched
//$.view_indicator.visible = true;
setViewIndicator(100, 100, levelColour, 10, true, '30%');
$.ind.top = '30';
if (graphResp.success) {
if (graphResp.result) {
var rows = [];
var data = JSON.parse(graphResp.result).data;
var i = 0;
var blob;
for (x in data) {
if (data[x].name == "Profile Pictures") {
Ti.API.debug(JSON.stringify(data[x]));
var numberPhotos = null;
var albumTitle = null;
//apply transformations
if (data[x].count == null) {
numberPhotos = 0;
} else {
numberPhotos = data[x].count;
if (numberPhotos > 10) {
numberPhotos = 10;
} else {
numberPhotos = numberPhotos;
}
}
albumTitle = data[x].name + ' (' + numberPhotos + ')';
console.log("https://graph.facebook.com/" + (data[x].cover_photo || 0) + "/picture?access_token=" + Alloy.Globals.facebookModule.accessToken + "&type=album");
//start
// Read the image as a blob
var url = "https://graph.facebook.com/" + (data[x].cover_photo || 0) + "/picture?access_token=" + Alloy.Globals.facebookModule.accessToken + "&type=album";
var imgView = Ti.UI.createImageView({
image : url,
width : 'auto',
height : 'auto'
});
var imgBlob = imgView.toBlob();
var height = imgBlob.height;
var width = imgBlob.width;
if (height > width) {
var pos = (height - width) / 2;
var dict = {
height : width,
width : width,
x : 0,
y : pos
};
var newImg = imgBlob.imageAsCropped(dict);
//alert(newImg.height);
} else if (height < width) {
var pos = (width - height) / 2;
var dict = {
height : height,
width : height,
x : pos,
y : 0
};
var newImg = imgBlob.imageAsCropped(dict);
//alert(newImg.width);
} else {
//alert(imgBlob.width + '-' + imgBlob.height);
var pos = (width - height) / 2;
var dict = {
height : height,
width : height,
x : pos,
y : 0
};
var newImg = imgBlob.imageAsCropped(dict);
}
imgBlob = null;
//end
var row = Titanium.UI.createTableViewRow({
titleAlb : data[x].name,
selectedBackgroundColor : 'transparent',
selectionStyle : 'Titanium.UI.iPhone.TableViewCellSelectionStyle.NONE on createTableViewRow',
width : '100%',
height : '60'
});
var image = Titanium.UI.createImageView({
//image : "https://graph.facebook.com/" + (data[x].cover_photo || 0) + "/picture?access_token=" + Alloy.Globals.facebookModule.accessToken + "&type=album",
image : newImg,
top : 10,
borderColor : levelColour,
left : 30,
width : '40',
height : '40'
});
if (Alloy.Globals.Platform == 'old') {
var title = Titanium.UI.createLabel({
text : albumTitle,
font : {
visible : true,
color : '#888888',
fontFamily : 'Avenir-Roman',
size : 12,
},
width : 200,
top : 15,
color : levelColour,
right : '30dp',
height : 'auto'
});
} else if (Alloy.Globals.Platform == '6') {
var title = Titanium.UI.createLabel({
text : albumTitle,
font : {
visible : true,
color : '#888888',
fontFamily : 'Avenir-Roman',
size : 12,
},
width : 200,
top : 15,
color : levelColour,
right : '85dp',
height : 'auto'
});
} else if (Alloy.Globals.Platform == '6+') {
var title = Titanium.UI.createLabel({
text : albumTitle,
font : {
visible : true,
color : '#888888',
fontFamily : 'Avenir-Roman',
size : 12,
},
width : 200,
top : 15,
color : levelColour,
right : '105dp',
height : 'auto'
});
}
row.add(image);
row.add(title);
rows.push(row);
i++;
console.log(i);
//set table rows
$.tableview.setData(rows);
//end
$.view_indicator.visible = false;
break;
}
}
}
} else {
$.view_indicator.visible = false;
if (e.error) {
alert(e.error);
} else {
alert("Unkown result");
}
}
});
}
这是我的代码，你可以看到我正在调用Facebook api图表迭代每张专辑，然后检测个人资料专辑。这种方法的问题在于，如果用户有1000张专辑，那么for循环可以永远找到个人资料专辑。
任何人都知道更快的方法吗？
干杯
答案 0 :(得分：0)
目前，Graph API中没有此类机制。
另外，你提出的方法充其量是不可靠的，因为不是每个人都使用英语中的Facebook，而对于那些不用的人来说，这张专辑可能不会被称为＆＃34; Profile Pictures＆＃34;。 / p>
获取用户当前个人资料照片（没有相册）的最佳方法是获取/user/picture