StackOverflow2013

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copied!<p>This works. You can set your own values here.</p> <pre><code>NSArray *data = [NSArray arrayWithObjects:[NSMutableDictionary dictionaryWithObjects:[NSArray arrayWithObjects:@"ss",@"how", nil] forKeys:[NSArray arrayWithObjects:@"key1",@"key1", nil]],[NSMutableDictionary dictionaryWithObjects:[NSArray arrayWithObjects:@"tt",@"vv", nil] forKeys:[NSArray arrayWithObjects:@"key1",@"key2", nil]],[NSMutableDictionary dictionaryWithObjects:[NSArray arrayWithObjects:@"vv",@"tt", nil] forKeys:[NSArray arrayWithObjects:@"key1",@"key2", nil]],nil]; NSArray *filtered = [data filteredArrayUsingPredicate:[NSPredicate predicateWithFormat:@"(key1 == %@) AND (key2==%@)", @"tt",@"vv"]]; NSLog(@"%@",filtered); </code></pre> <p>Output:</p> <pre><code>( { key1 = tt; key2 = vv; } ) </code></pre> <p>For clearer explanation:</p> <pre><code>NSMutableDictionary *dict4=[[NSMutableDictionary alloc]init]; [dict4 setObject:@"ss" forKey:@"key1"]; [dict4 setObject:@"how" forKey:@"key2"]; NSMutableDictionary *dict5=[[NSMutableDictionary alloc]init]; [dict5 setObject:@"tt" forKey:@"key1"]; [dict5 setObject:@"vv" forKey:@"key2"]; NSMutableDictionary *dict6=[[NSMutableDictionary alloc]init]; [dict6 setObject:@"vv" forKey:@"key1"]; [dict6 setObject:@"tt" forKey:@"key2"]; NSMutableArray *data = [[NSMutableArray alloc]init]; [data addObject:dict4]; [data addObject:dict5]; [data addObject:dict6]; NSArray *filtered = [data filteredArrayUsingPredicate:[NSPredicate predicateWithFormat:@"(key1 == %@) AND (key2==%@)", @"tt",@"vv"]]; NSLog(@"%@",filtered); </code></pre> <p>Output:</p> <pre><code>( { key1 = tt; key2 = vv; } ) </code></pre>

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