add ja

Author: valf1st

doc/japanese/trademob_plugin_ja.md

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+## Trademobプラグイン
+
+Add the dependency of the adjust sdk with the Trademob plugin:
+
+```
+compile 'com.adjust.sdk:adjust-android-trademob:4.11.3'
+```
+
+Or integrate adjust with Trademob events by following these steps:
+
+1. Locate the `plugin/Trademob` folder inside the downloaded archive from our
+   [releases page](https://github.com/adjust/android_sdk/releases).
+
+2. Open the `adjust` module in Android Studio and locate the
+   `plugin` package folder in `adjust/java/com/adjust/sdk`.
+
+3. Drag the `AdjustTrademob.java` and `TrademobItem.java` files from the
+   downloaded `plugin/Trademob/com/adjust/sdk/plugin` folder into the `plugin` folder in the `adjust` project.
+
+For questions regarding this plugin, please reach out to `[email protected]`
+
+You can now use Trademob event in the following ways:
+
+### View Listing
+
+```java
+import com.adjust.sdk.plugin.AdjustTrademob;
+
+AdjustEvent event = new AdjustEvent("{viewListingEventToken}");
+
+List<String> items = Arrays.asList("itemId1", "itemId2", "itemId3");
+
+Map<String, String> metadata = new HashMap<>();
+metadata.put("info1", "value1");
+metadata.put("info2", "value2");
+
+AdjustTrademob.injectViewListingIntoEvent(event, items, metadata);
+
+Adjust.trackEvent(event);
+```
+
+### View Item
+
+```java
+import com.adjust.sdk.plugin.AdjustTrademob;
+
+AdjustEvent event = new AdjustEvent("{viewItemEventToken}");
+
+Map<String, String> metadata = new HashMap<>();
+metadata.put("info1", "value1");
+metadata.put("info2", "value2");
+
+AdjustTrademob.injectViewItemIntoEvent(event, "itemId1", metadata);
+
+Adjust.trackEvent(event);
+```
+
+### Add to Basket
+
+```java
+import com.adjust.sdk.plugin.AdjustTrademob;
+import com.adjust.sdk.plugin.TrademobItem;
+
+AdjustEvent event = new AdjustEvent("{basketEventToken}");
+
+TrademobItem itemId1 = new TrademobItem("itemId1", 2, 54f);
+TrademobItem itemId2 = new TrademobItem("itemId2", 1, 3f);
+TrademobItem itemId3 = new TrademobItem("itemId3", 4, 25f);
+
+List<TrademobItem> items = Arrays.asList(itemId1, itemId2, itemId3);
+
+AdjustTrademob.injectAddToBasketIntoEvent(event, items, null);
+
+Adjust.trackEvent(event);
+```
+
+### Checkout
+
+```java
+import com.adjust.sdk.plugin.AdjustTrademob;
+import com.adjust.sdk.plugin.TrademobItem;
+
+AdjustEvent event = new AdjustEvent("{checkoutEventToken}");
+
+TrademobItem itemId1 = new TrademobItem("itemId1", 2, 54f);
+TrademobItem itemId2 = new TrademobItem("itemId2", 1, 3f);
+TrademobItem itemId3 = new TrademobItem("itemId3", 4, 25f);
+
+List<TrademobItem> items = Arrays.asList(itemId1, itemId2, itemId3);
+
+Map<String, String> metadata = new HashMap<>();
+metadata.put("info1", "value1");
+metadata.put("info2", "value2");
+
+AdjustTrademob.injectCheckoutIntoEvent(event, items, metadata);
+
+Adjust.trackEvent(event);
+```