divkit/test_data/samples/animations/transition_change.json

{
  "templates": {
    "title": {
      "type": "text",
      "font_size": 20,
      "line_height": 24,
      "font_weight": "bold",
      "paddings": {
        "left": 24,
        "right": 24,
        "bottom": 16
      }
    },
    "subtitle": {
      "font_size": 15,
      "line_height": 20,
      "type": "text",
      "paddings": {
        "left": 24,
        "right": 24
      }
    },
    "image_block": {
      "type": "image",
      "image_url": "https://yastatic.net/s3/home/yandex-app/div_demo/containers.png",
      "width": {
        "type": "fixed",
        "value": 150
      },
      "height": {
        "type": "fixed",
        "value": 150
      },
      "margins": {
        "left": 16,
        "right": 16,
        "bottom": 16
      }
    },
    "button": {
      "type": "text",
      "width": {
        "type": "match_parent"
      },
      "height": {
        "type": "wrap_content"
      },
      "paddings": {
        "left": 16,
        "top": 16,
        "right": 16,
        "bottom": 16
      },
      "margins": {
        "left": 24,
        "right": 24
      },
      "border": {
        "corner_radius": 8
      },
      "background": [
        {
          "type": "solid",
          "color": "#0E000000"
        }
      ],
      "font_size": 14,
      "font_weight": "medium",
      "text_alignment_vertical": "center",
      "text_alignment_horizontal": "center",
      "text_color": "#000000"
    }
  },
  "card": {
    "log_id": "sample_card",
    "variables": [
      {
        "name": "change_state",
        "type": "boolean",
        "value": false
      },
      {
        "name": "state",
        "type": "boolean",
        "value": false
      }
    ],
    "variable_triggers": [
      {
        "condition": "@{change_state && state}",
        "mode": "on_variable",
        "actions": [
          {
            "log_id": "update change_state flag",
            "url": "div-action://set_variable?name=change_state&value=false"
          },
          {
            "log_id": "update change_state flag",
            "url": "div-action://set_variable?name=state&value=false"
          },
          {
            "log_id": "change state",
            "url": "div-action://set_state?state_id=0/transition_change_demo_state/state1"
          }
        ]
      },
      {
        "condition": "@{change_state && !state}",
        "mode": "on_variable",
        "actions": [
          {
            "log_id": "update change_state flag",
            "url": "div-action://set_variable?name=change_state&value=false"
          },
          {
            "log_id": "update state variable",
            "url": "div-action://set_variable?name=state&value=true"
          },
          {
            "log_id": "change state",
            "url": "div-action://set_state?state_id=0/transition_change_demo_state/state2"
          }
        ]
      }
    ],
    "states": [
      {
        "state_id": 0,
        "div": {
          "type": "container",
          "orientation": "vertical",
          "margins": {
            "top": 24,
            "bottom": 24
          },
          "items": [
            {
              "type": "title",
              "text": "Move and resize animations"
            },
            {
              "type": "subtitle",
              "text": "For each div, you can customize the transition animation to be played when the div changes its size or position.\n\nIn the example, the picture is animated to increase in width and moves to the upper-right corner when switching to state 2.",
              "margins": {
                "bottom": 24
              }
            },
            {
              "type": "state",
              "width": {
                "type": "match_parent"
              },
              "height": {
                "type": "fixed",
                "value": 250
              },
              "div_id": "transition_change_demo_state",
              "states": [
                {
                  "state_id": "state1",
                  "div": {
                    "type": "image_block",
                    "id": "image",
                    "alignment_horizontal": "center",
                    "alignment_vertical": "top",
                    "width": {
                      "type": "match_parent"
                    },
                    "transition_change": {
                      "type": "change_bounds",
                      "duration": 1000
                    }
                  }
                },
                {
                  "state_id": "state2",
                  "div": {
                    "type": "image_block",
                    "id": "image",
                    "alignment_horizontal": "right",
                    "alignment_vertical": "bottom",
                    "transition_change": {
                      "type": "change_bounds",
                      "duration": 1000
                    }
                  }
                }
              ]
            },
            {
              "type": "button",
              "alignment_horizontal": "center",
              "text": "Test Button",
              "actions": [
                {
                  "log_id": "set_state1",
                  "url": "div-action://set_variable?name=change_state&value=true"
                }
              ]
            }
          ]
        }
      }
    ]
  }
}