public void onClick(View v) { String ip = ipEditText.getText().toString(); int port = Integer.parseInt(portEditText.getText().toString()); new Thread(new Runnable() { @Override public void run() { try { socket = new Socket(ip, port); in = new BufferedReader(new InputStreamReader(socket.getInputStream())); out = new PrintWriter(socket.getOutputStream(), true); // 在主页面中的窗口中实时显示消息 new Thread(new Runnable() { @Override public void run() { try { while (true) { String message = in.readLine(); if (message == null) { break; } handler.post(new Runnable() { @Override public void run() { messageTextView.setText(message+"\n"); } }); } } catch (IOException e) { e.printStackTrace(); } } }).start(); } catch (UnknownHostException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } } }).start(); } });能帮我把这串代码中的在主页面实时显示消息的功能换成滑动一个半圆进度条,按进度条百分比发送数字的功能吗
时间: 2024-02-22 10:58:16 浏览: 83
可以的,你可以参考如下代码实现:
首先,需要在布局文件中添加一个`SeekBar`组件,如下所示:
```xml
<SeekBar
android:id="@+id/progressBar"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="16dp"
android:max="100"
android:progress="0" />
```
然后,在`onClick`方法中,获取`SeekBar`对象,并添加一个`OnSeekBarChangeListener`监听器,实现进度条滑动时的回调方法,同时在回调方法中发送进度条百分比对应的数字:
```java
public void onClick(View v) {
String ip = ipEditText.getText().toString();
int port = Integer.parseInt(portEditText.getText().toString());
new Thread(new Runnable() {
@Override
public void run() {
try {
socket = new Socket(ip, port);
in = new BufferedReader(new InputStreamReader(socket.getInputStream()));
out = new PrintWriter(socket.getOutputStream(), true);
// 获取SeekBar对象
SeekBar progressBar = findViewById(R.id.progressBar);
// 添加OnSeekBarChangeListener监听器
progressBar.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {
@Override
public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
// 计算百分比对应的数字
int number = progress * 10;
out.println(number);
}
@Override
public void onStartTrackingTouch(SeekBar seekBar) {}
@Override
public void onStopTrackingTouch(SeekBar seekBar) {}
});
} catch (UnknownHostException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
}).start();
}
```
最后,需要在`onCreate`方法中获取`TextView`和`Handler`对象,并将其传递给`SeekBar.OnSeekBarChangeListener`的回调方法中,以便实时更新进度条下方的文本:
```java
private TextView messageTextView;
private Handler handler = new Handler();
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
// 初始化TextView对象
messageTextView = findViewById(R.id.messageTextView);
// ...
SeekBar progressBar = findViewById(R.id.progressBar);
progressBar.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {
@Override
public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
// 计算百分比对应的数字
int number = progress * 10;
// 在主页面中的窗口中实时显示消息
messageTextView.setText(String.valueOf(number));
}
@Override
public void onStartTrackingTouch(SeekBar seekBar) {}
@Override
public void onStopTrackingTouch(SeekBar seekBar) {}
});
}
```
以上代码实现了将进度条滑动时的百分比对应的数字发送到服务器,同时在主页面中的窗口中实时显示消息的效果。
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