React native 反应本机视图快照捕获模糊屏幕快照
我正在使用react本机快照库共享我的屏幕。对于小内容,它工作得很好,但是对于细节视图,长滚动视图,它的模糊和文本不可读React native 反应本机视图快照捕获模糊屏幕快照,react-native,React Native,我正在使用react本机快照库共享我的屏幕。对于小内容,它工作得很好,但是对于细节视图,长滚动视图,它的模糊和文本不可读 <ViewShot ref="viewShot" options={{ format: 'jpg', quality: 0.8,height:100}}> //content and images here from server </ViewShot> 任何人都有建议,请分享…谢谢解决这个问题非常困难,因为我没有得到任何解决
<ViewShot ref="viewShot" options={{ format: 'jpg',
quality: 0.8,height:100}}>
//content and images here from server
</ViewShot>
任何人都有建议,请分享…谢谢解决这个问题非常困难,因为我没有得到任何解决方案,所以我用我的方式。我在这里分享所有相关代码: 这将捕获一个特定区域,并且它处于渲染状态 我导入以下所有库: 我添加了这个;在构造函数中,绑定iOS和Android的单独函数。 之后,在渲染中使用以下代码:
renderRowItem=(itemData)=>{
返回(
{this.screenshot[itemId]=shot;}}>
//在这里添加您的代码
)
}
这是我用来捕捉瞳孔区域的按钮:
{
Platform.OS==='ios'?
此.\u captureScreenIos(itemData.item.\u id):
此.\u captureScreenAndroid(itemData.item.\u id)
}}>
分享新闻
我在为iOS和Android调用同一个函数时遇到了很多问题,所以我分别为这两个函数调用了不同的函数,如下面的示例:
Android:
\u captureScreenAndroid(itemId){
this.changeLoaderStatus();
captureRef(this.screenshot[itemId],{格式:'png',质量:0.8})。然后(res=>{
授予的常数=权限和ROID.request(
PERMISSIONS和roid.PERMISSIONS.WRITE\u外部存储,
{
标题:“存储权限”,
消息:“需要访问您的存储”+
“这样你就可以保存你的照片了”,
},
);
if(许可和ROID.结果授予){
var promise=CameraRoll.saveToCameraRoll(res);
var thisFun=这个;
承诺。然后(功能(结果){
RNFetchBlob.fs.readFile(结果为'base64')。然后((base64data)=>{
log(“base64data”,base64data)
让base64Image=`data:image/jpeg;base64,${base64data}`;
让共享选项={
标题:“此处标题”,
信息:“在此处添加您的信息”,
url:base64Image,
主题:“此处主题”//用于电子邮件
};
公开(股票期权);
thisFun.changeLoaderStatus();
})
}).catch(函数(错误){
this.changeLoaderStatus();
});
}否则{
this.changeLoaderStatus();
}
})
}
iOS:
\u captureScreenIos(项目ID){
this.changeLoaderStatus();
var thisFun=这个;
var viewShotRef=itemId;
captureRef(this.screenshot[itemId],{格式:'jpg',质量:0.8})。然后(res=>{
RNFetchBlob.fs.readFile(res,'base64')。然后((base64data)=>{
让base64Image=`data:image/jpeg;base64,${base64data}`;
常量共享选项={
标题:“,
消息:“下载”+“\n”+,
url:“文件:/”+res,
主题:“
};
公开(股票期权);
thisFun.changeLoaderStatus();
})
}).catch(错误=>{
log(错误,“这是错误”);
this.changeLoaderStatus();
})
}
您是否有此实施的示例一分钟后让我在这里添加答案。如果有任何问题,请告诉我。
captureScreenIos = () => {
console.log("Clicked for IOS");
this.changeLoaderStatus();
var thisFun = this;
this.refs.viewShot.capture({width: 2048 / PixelRatio.get(), height: 2048 / PixelRatio.get()}).then(res => {
RNFetchBlob.fs.readFile(res, 'base64').then((base64data) => {
console.log("base64data",base64data)
let base64Image = `data:image/jpeg;base64,${base64data}`;
const shareOptions = {
title: "My Beauty Squad",
//message: "Download my beauty squad with below link."+ "\n" + "https://itunes.apple.com/uk/app/my-beauty-squad/id1454212046?mt=8" ,
url: base64Image,
subject: "Share news feed"
};
Share.open(shareOptions);
thisFun.changeLoaderStatus();
})
}).catch(error => {
console.log(error, 'this is error');
this.changeLoaderStatus();
})
}
import ViewShot, { capture, captureScreen, captureRef} from "react-native-view-shot";
import RNFetchBlob from 'react-native-fetch-blob';
import Share, {ShareSheet} from 'react-native-share';
constructor(props) {
super(props);
this.screenshot = {};
this.state = {
newsListArray: [],
loading:false,
alertMsg:'',
errorMsg:'',
refreshing: false,
},
this._captureScreenIos = this._captureScreenIos.bind(this);
this._captureScreenAndroid = this._captureScreenAndroid.bind(this);
}
renderRowItem = (itemData) => {
return (
<View collapsable={false} ref={(shot) => { this.screenshot[itemId] = shot; }} >
// Add you code here
</View>
)
}
<TouchableOpacity onPress={ () => {
Platform.OS === 'ios' ?
this._captureScreenIos(itemData.item._id) :
this._captureScreenAndroid(itemData.item._id)
}}>
<View style={{flexDirection:'row'}}>
<Icon name="share-alt" size={16} color="#ffb6cf" />
<Text style={{paddingLeft:6,fontSize:12,fontWeight:'500'}}>Share News</Text>
</View>
</TouchableOpacity>
_captureScreenAndroid(itemId) {
this.changeLoaderStatus();
captureRef(this.screenshot[itemId],{format: 'png',quality: 0.8}).then(res => {
const granted = PermissionsAndroid.request(
PermissionsAndroid.PERMISSIONS.WRITE_EXTERNAL_STORAGE,
{
title: '<Project Name> Storage Permission',
message: '<Project Name> needs access to your storage ' +
'so you can save your photos',
},
);
if (PermissionsAndroid.RESULTS.GRANTED) {
var promise = CameraRoll.saveToCameraRoll(res);
var thisFun = this;
promise.then(function(result) {
RNFetchBlob.fs.readFile(result, 'base64').then((base64data) => {
console.log("base64data",base64data)
let base64Image = `data:image/jpeg;base64,${base64data}`;
let shareOptions = {
title: "title here",
message: "add your message here" ,
url: base64Image,
subject: "subject here" // for email
};
Share.open(shareOptions);
thisFun.changeLoaderStatus();
})
}).catch(function(error) {
this.changeLoaderStatus();
});
}else{
this.changeLoaderStatus();
}
})
}
_captureScreenIos(itemId) {
this.changeLoaderStatus();
var thisFun = this;
var viewShotRef = itemId;
captureRef(this.screenshot[itemId],{format: 'jpg',quality: 0.8}).then(res => {
RNFetchBlob.fs.readFile(res, 'base64').then((base64data) => {
let base64Image = `data:image/jpeg;base64,${base64data}`;
const shareOptions = {
title: "<Project-Name>",
message: "Download <Project-Name> "+ "\n" + <MY APP STORE URL> ,
url: "file://"+res,
subject: "<Project-Name>"
};
Share.open(shareOptions);
thisFun.changeLoaderStatus();
})
}).catch(error => {
console.log(error, 'this is error');
this.changeLoaderStatus();
})
}