项目内冒泡 & 图片压缩

Author: wanghengheng

Coding_iOS/Controllers/TweetDetailViewController.m

@@ -51,9 +51,10 @@ - (void)viewDidLoad
 {
     [super viewDidLoad];
     // Do any additional setup after loading the view.
-    self.title = @"冒泡详情";
-    [self.navigationItem setRightBarButtonItem:[[UIBarButtonItem alloc] initWithImage:[UIImage imageNamed:@"share_Nav"] style:UIBarButtonItemStylePlain target:self action:@selector(rightNavBtnClicked)] animated:NO];
-
+    self.title = self.curTweet.project.name ?: @"冒泡详情";
+    if (![_curTweet isProjectTweet]) {
+        [self.navigationItem setRightBarButtonItem:[[UIBarButtonItem alloc] initWithImage:[UIImage imageNamed:@"share_Nav"] style:UIBarButtonItemStylePlain target:self action:@selector(rightNavBtnClicked)] animated:NO];
+    }
     //    添加myTableView
     _myTableView = ({
         UITableView *tableView = [[UITableView alloc] initWithFrame:self.view.bounds style:UITableViewStylePlain];
@@ -175,6 +176,7 @@ - (void)refreshTweet{
         [[Coding_NetAPIManager sharedManager] request_ProjectDetail_WithObj:_curTweet.project andBlock:^(id data, NSError *error) {
             if (data) {
                 weakSelf.curTweet.project = data;
+                weakSelf.title = weakSelf.curTweet.project.name;
                 weakSelf.curTweet.project_id = [(Project *)data id];
                 [weakSelf refreshTweet];
             }else{

Coding_iOS/Controllers/UserOrProjectTweetsViewController.m

@@ -330,6 +330,7 @@ - (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath
 }
 
 - (void)goToDetailWithTweet:(Tweet *)curTweet{
+    curTweet.project = _curTweets.curPro;
     TweetDetailViewController *vc = [[TweetDetailViewController alloc] init];
     vc.curTweet = curTweet;
     __weak typeof(self) weakSelf = self;

Coding_iOS/Models/Tweet.m

@@ -336,7 +336,7 @@ - (void)setSelectedAssetURLs:(NSMutableArray *)selectedAssetURLs{
 }
 
 - (BOOL)isProjectTweet{
-    return self.project_id != nil;
+    return self.project_id != nil || _project != nil;
 }
 - (void)addASelectedAssetURL:(NSURL *)assetURL{
     if (!_selectedAssetURLs) {
@@ -426,4 +426,4 @@ + (instancetype)tweetImageWithAssetURL:(NSURL *)assetURL andImage:(UIImage *)ima
     return tweetImg;
 }
 
-@end
+@end

Coding_iOS/Util/OC_Category/UIImage+Common.m

@@ -169,10 +169,12 @@ + (UIImage *)imageWithFileType:(NSString *)fileType{
 }
 
 - (NSData *)dataSmallerThan:(NSUInteger)dataLength{
-    NSData *data = UIImageJPEGRepresentation(self, 1.0);
+    CGFloat compressionQuality = 1.0;
+    NSData *data = UIImageJPEGRepresentation(self, compressionQuality);
     while (data.length > dataLength) {
-        UIImage *image = [UIImage imageWithData:data];
-        data = UIImageJPEGRepresentation(image, 0.7);
+        CGFloat mSize = data.length / (1024 * 1000.0);
+        compressionQuality *= pow(0.7, log(mSize)/ log(3));//大概每压缩 0.7，mSize 会缩小为原来的三分之一
+        data = UIImageJPEGRepresentation(self, compressionQuality);
     }
     return data;
 }