brightness.vue
1.65 KB
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<template>
<view>
<page-head :title="title"></page-head>
<view class="uni-padding-wrap uni-common-mt">
<!-- #ifndef MP-TOUTIAO -->
<view class="text-box">亮度 : {{ screen }}</view>
<view class="uni-slider"><slider :value="screen" @changing="sliderChange" step="1" /></view>
<!-- #endif -->
<button type="primary" @click="keep">
{{ keepScreenOn ? '保持常亮状态' : '关闭常亮状态' }}
</button>
<view class="tips">
保持常亮时，屏幕不会熄灭。仅在当前应用生效，离开应用后设置失效。
</view>
</view>
</view>
</template>
<script>
export default {
data() {
return {
title: 'brightness',
screen: 0,
keepScreenOn: true
};
},
onLoad() {
uni.getScreenBrightness({
success: res => {
this.screen = (res.value * 100).toFixed();
},
fail(e) {
console.log(e);
}
});
},
methods: {
sliderChange(e) {
let screen = e.detail.value;
// 判断是否重复
if (this.screen !== screen) {
console.log('当前数值：' + e.detail.value);
uni.setScreenBrightness({
value: screen / 100,
success: function() {
},
fail(e) {
console.log(e);
}
});
this.screen = screen;
}
},
keep() {
uni.setKeepScreenOn({
keepScreenOn: this.keepScreenOn
});
this.keepScreenOn = !this.keepScreenOn;
}
}
};
</script>
<style>
.text-box {
margin-bottom: 40rpx;
display: flex;
justify-content: center;
align-items: center;
height: 300rpx;
background-color: #ffffff;
font-size: 32rpx;
color: #353535;
}
.uni-slider {
margin: 100rpx 0;
}
.tips {
font-size: 26rpx;
text-align: center;
margin-top: 20rpx;
color: #999;
}
</style>