add setting server url

app/src/main/AndroidManifest.xml

@@ -17,7 +17,8 @@
         android:label="@string/app_name"
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
-        android:theme="@style/AppTheme">
+        android:theme="@style/AppTheme"
+        android:usesCleartextTraffic="false">
         <activity android:name=".MainActivity">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />

app/src/main/java/com/android/webrtc/Constant.java

@@ -8,7 +8,7 @@ package com.android.webrtc;
  * 微信公众号:他晓
  */
 public class Constant {
-    public static final String URL = "ws://192.168.0.35:8081/websocket";//server服务器地址
+    public static final String URL = "ws://192.168.31.106:8080/webrtc/websocket";//server服务器地址
     public static final String STUN = "stun:stun.l.google.com:19302";//穿透服务器
     public static final String CHANNEL = "channel";
 
@@ -33,4 +33,6 @@ public class Constant {
     public static final int VIDEO_RESOLUTION_WIDTH = 320;
     public static final int VIDEO_RESOLUTION_HEIGHT = 240;
     public static final int VIDEO_FPS = 60;
+
+    public static final String SHARE_PREFERENCE_NAME = "webrtc_sp";
 }

app/src/main/java/com/android/webrtc/MainActivity.java

@@ -3,7 +3,11 @@ package com.android.webrtc;
 import android.content.Intent;
 import android.support.v7.app.AppCompatActivity;
 import android.os.Bundle;
+import android.text.TextUtils;
 import android.view.View;
+import android.widget.EditText;
+import android.widget.Toast;
+
 
 /**
  * 入口
@@ -15,13 +19,39 @@ import android.view.View;
  */
 public class MainActivity extends AppCompatActivity {
 
+    private EditText et_address;
+
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_main);
+        et_address = findViewById(R.id.et_address);
+        setServerUrl(Constant.URL);
     }
 
     public void onClick(View view) {
+        if (checkUrl()) return;
         startActivity(new Intent(MainActivity.this, WebRtcActivity.class));
     }
+
+    private boolean checkUrl() {
+        String address = et_address.getText().toString().trim();
+        if (TextUtils.isEmpty(address)) {
+            Toast.makeText(MainActivity.this, "请填入 websocket 地址", Toast.LENGTH_LONG).show();
+            return true;
+        }
+        return false;
+    }
+
+    public void setting(View view) {
+        if (checkUrl()) return;
+        setServerUrl(et_address.getText().toString().trim());
+    }
+
+    public void setServerUrl(String url) {
+        if (!TextUtils.isEmpty(url)) {
+            SharePreferences.getInstance(MainActivity.this).setServerUrl(url);
+            et_address.setText(url);
+        }
+    }
 }

app/src/main/java/com/android/webrtc/SharePreferences.java

+package com.android.webrtc;
+
+import android.content.Context;
+import android.content.SharedPreferences;
+
+/**
+ * Created by taxiao on 2021/5/16
+ * CSDN:http://blog.csdn.net/yin13753884368/article
+ * Github:https://github.com/taxiao213
+ * 微信公众号:他晓
+ */
+class SharePreferences {
+    private static volatile SharePreferences sharePreferences;
+    public SharedPreferences prefs;
+    // server_url
+    private final String PREFERENCE_SERVER_URL = "preference_server_url";
+
+    public static SharePreferences getInstance(Context context) {
+        if (sharePreferences == null) {
+            synchronized (SharePreferences.class) {
+                if (sharePreferences == null) {
+                    sharePreferences = new SharePreferences(context);
+                }
+            }
+        }
+        return sharePreferences;
+    }
+
+    private SharePreferences(Context context) {
+        prefs = context.getSharedPreferences(Constant.SHARE_PREFERENCE_NAME, Context.MODE_PRIVATE);
+    }
+
+    // 设置 ServerUrl
+    public void setServerUrl(String serverUrl) {
+        putString(PREFERENCE_SERVER_URL, serverUrl);
+    }
+
+    public String getServerUrl() {
+        return getString(PREFERENCE_SERVER_URL);
+    }
+
+    /**
+     * 存放普通数据的方法
+     *
+     * @param key  存储数据的键
+     * @param data 存储数据的值
+     */
+    private void putString(String key, String data) {
+        prefs.edit().putString(key, data).apply();
+    }
+
+    /**
+     * 读取普通数据的方法
+     *
+     * @param key 要读取数据的key
+     * @return 要读取的数据
+     */
+    private String getString(String key) {
+        return prefs.getString(key, "");
+    }
+
+    /**
+     * 存放普通数据的方法
+     *
+     * @param key  存储数据的键
+     * @param data 存储数据的值
+     */
+    protected void putInt(String key, int data) {
+        prefs.edit().putInt(key, data).apply();
+    }
+
+    /**
+     * 读取普通数据的方法
+     *
+     * @param key 要读取数据的key
+     * @return 要读取的数据
+     */
+    protected int getInt(String key) {
+        return prefs.getInt(key, 0);
+    }
+
+    /**
+     * 移除相关key对应的item
+     *
+     * @param key 需要移除的key
+     */
+    protected void remove(String key) {
+        prefs.edit().remove(key).apply();
+    }
+
+
+    protected void putLong(String key, long data) {
+        prefs.edit().putLong(key, data).apply();
+    }
+
+    protected Long getLong(String key) {
+        return prefs.getLong(key, 0);
+    }
+
+    protected void putBoolean(String key, Boolean value) {
+        prefs.edit().putBoolean(key, value).apply();
+    }
+
+    protected Boolean getBoolean(String value) {
+        return prefs.getBoolean(value, false);
+    }
+
+    /**
+     * 清除相关prefs数据
+     */
+    public void clear() {
+        prefs.edit().clear().apply();
+    }
+}

app/src/main/java/com/android/webrtc/WebRtcActivity.java

@@ -147,7 +147,7 @@ public class WebRtcActivity extends AppCompatActivity implements View.OnClickLis
      */
     private void connectionWebsocket() {
         try {
-            webSocketClient = new WebSocketClient(URI.create(Constant.URL)) {
+            webSocketClient = new WebSocketClient(URI.create(SharePreferences.getInstance(WebRtcActivity.this).getServerUrl())) {
                 @Override
                 public void onOpen(ServerHandshake handshakedata) {
                     setText("已连接");

app/src/main/res/layout/activity_main.xml

@@ -6,6 +6,38 @@
     android:layout_height="match_parent"
     tools:context=".MainActivity">
 
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="80dp"
+        android:orientation="horizontal"
+        app:layout_constraintBaseline_toBaselineOf="parent">
+
+        <TextView
+            android:layout_width="wrap_content"
+            android:layout_height="match_parent"
+            android:gravity="center"
+            android:onClick="onClick"
+            android:paddingStart="10dp"
+            android:paddingRight="10dp"
+            android:text="地址：" />
+
+        <EditText
+            android:id="@+id/et_address"
+            android:layout_width="0dp"
+            android:layout_height="match_parent"
+            android:layout_weight="1" />
+
+        <Button
+            android:layout_width="wrap_content"
+            android:layout_height="50dp"
+            android:layout_alignParentEnd="true"
+            android:gravity="center"
+            android:onClick="setting"
+            android:paddingStart="10dp"
+            android:paddingRight="10dp"
+            android:text="设置" />
+    </LinearLayout>
+
     <TextView
         android:layout_width="match_parent"
         android:layout_height="60dp"