init

xhs-mini-demos/api-case/screen-brightness/screen-brightness.js

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+Page({
+  onShareAppMessage() {
+    return {
+      title: '屏幕亮度',
+      path: 'packageAPI/pages/screen-brightness/screen-brightness',
+    };
+  },
+
+  data: {
+    screenBrightness: 0,
+  },
+
+  onLoad() {
+    this._updateScreenBrightness();
+  },
+
+  changeBrightness(e) {
+    const value = Number.parseFloat(
+      (e.detail.value).toFixed(1),
+    );
+    this.setData({
+      screenBrightness: Number.parseFloat(
+        e.detail.value.toFixed(1),
+      ),
+    });
+    xhs.setScreenBrightness({
+      value,
+
+    });
+  },
+
+  _updateScreenBrightness() {
+    xhs.getScreenBrightness({
+      success: res => {
+        console.log(res);
+        this.setData({
+          screenBrightness: Number.parseFloat(
+            res.value.toFixed(1),
+          ),
+        });
+      },
+      fail(err) {
+        console.error(err);
+      },
+    });
+  },
+});