sparseArray用法

原创于 2019-07-31 16:40:00 发布

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SparseArray<String> sparseArray = new SparseArray<>();
                sparseArray.put(1,"1");
                sparseArray.put(0,"0");
                sparseArray.put(2,"2");

                for (int i = 0; i < sparseArray.size(); i++) {
                    int key = sparseArray.keyAt(i);
                    String user = sparseArray.get(key);
                    Log.i("key ==== " + key, user);
                }
                Log.i("key ==== ","============");

                for (int i = 0; i < sparseArray.size(); i++) {
                    String user = sparseArray.valueAt(i);
                    Log.i("没有key值", user);
                }