1.将所有@2x，@3x图标放到项目中
2.配置info.plist1
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42<key>CFBundleIcons</key>
<dict>
<key>CFBundlePrimaryIcon</key>
<dict>
<key>CFBundleIconFiles</key>
<array>
<string>appIcon1</string>
</array>
</dict>
<key>CFBundleAlternateIcons</key>
<dict>
<key>appIcon1</key>
<dict>
<key>CFBundleIconFiles</key>
<array>
<string>appIcon1</string>
</array>
<key>UIPrerenderedIcon</key>
<string>NO</string>
</dict>
<key>appIcon2</key>
<dict>
<key>CFBundleIconFiles</key>
<array>
<string>appIcon2</string>
</array>
<key>UIPrerenderedIcon</key>
<string>NO</string>
</dict>
<key>appIcon3</key>
<dict>
<key>CFBundleIconFiles</key>
<array>
<string>appIcon3</string>
</array>
<key>UIPrerenderedIcon</key>
<string>NO</string>
</dict>
</dict>
</dict>
3.更换图标(仅限于iOS版本10.3以上)1
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29- (void)changeIcon{
if ([UIApplication sharedApplication].supportsAlternateIcons) {
NSLog(@"you can change this app's icon");
}else{
NSLog(@"you can not change this app's icon");
return;
}
NSString *iconName = [[UIApplication sharedApplication] alternateIconName];
NSLog(@"%@",iconName);
if (iconName) {
// change to primary icon
[[UIApplication sharedApplication] setAlternateIconName:@"appIcon1" completionHandler:^(NSError * _Nullable error) {
if (error) {
NSLog(@"set icon error: %@",error);
}
NSLog(@"The alternate icon's name is %@",iconName);
}];
}else{
// change to alterante icon
[[UIApplication sharedApplication] setAlternateIconName:@"appIcon2" completionHandler:^(NSError * _Nullable error) {
if (error) {
NSLog(@"set icon error: %@",error);
}
NSLog(@"The alternate icon's name is %@",iconName);
}];
}
}