package com.yxc.websocketclientdemo;
import android.annotation.TargetApi;
import android.app.AppOpsManager;
import android.content.BroadcastReceiver;
import android.content.ComponentName;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.ServiceConnection;
import android.content.pm.ApplicationInfo;
import android.net.Uri;
import android.os.Build;
import android.os.IBinder;
import android.provider.Settings;
import android.support.v7.app.AlertDialog;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.text.Editable;
import android.text.TextWatcher;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ListView;
import android.widget.TextView;
import com.yxc.websocketclientdemo.adapter.Adapter_ChatMessage;
import com.yxc.websocketclientdemo.im.JWebSocketClient;
import com.yxc.websocketclientdemo.im.JWebSocketClientService;
import com.yxc.websocketclientdemo.modle.ChatMessage;
import com.yxc.websocketclientdemo.util.Util;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.util.ArrayList;
import java.util.List;
public class MainActivity extends AppCompatActivity implements View.OnClickListener {
private Context mContext;
private JWebSocketClient client;
private JWebSocketClientService.JWebSocketClientBinder binder;
private JWebSocketClientService jWebSClientService;
private EditText et_content;
private ListView listView;
private Button btn_send;
private List<ChatMessage> chatMessageList = new ArrayList<>();//消息列表
private Adapter_ChatMessage adapter_chatMessage;
private ChatMessageReceiver chatMessageReceiver;
private ServiceConnection serviceConnection = new ServiceConnection() {
@Override
public void onServiceConnected(ComponentName componentName, IBinder iBinder) {
Log.e("MainActivity", "服务与活动成功绑定");
binder = (JWebSocketClientService.JWebSocketClientBinder) iBinder;
jWebSClientService = binder.getService();
client = jWebSClientService.client;
}
@Override
public void onServiceDisconnected(ComponentName componentName) {
Log.e("MainActivity", "服务与活动成功断开");
}
};
private class ChatMessageReceiver extends BroadcastReceiver{
@Override
public void onReceive(Context context, Intent intent) {
String message=intent.getStringExtra("message");
ChatMessage chatMessage=new ChatMessage();
chatMessage.setContent(message);
chatMessage.setIsMeSend(0);
chatMessage.setIsRead(1);
chatMessage.setTime(System.currentTimeMillis()+"");
chatMessageList.add(chatMessage);
initChatMsgListView();
}
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
getSupportActionBar().hide();
setContentView(R.layout.activity_main);
mContext=MainActivity.this;
//启动服务
startJWebSClientService();
//绑定服务
bindService();
//注册广播
doRegisterReceiver();
//检测通知是否开启
checkNotification(mContext);
findViewById();
initView();
}
/**
* 绑定服务
*/
private void bindService() {
Intent bindIntent = new Intent(mContext, JWebSocketClientService.class);
bindService(bindIntent, serviceConnection, BIND_AUTO_CREATE);
}
/**
* 启动服务（websocket客户端服务）
*/
private void startJWebSClientService() {
Intent intent = new Intent(mContext, JWebSocketClientService.class);
startService(intent);
}
/**
* 动态注册广播
*/
private void doRegisterReceiver() {
chatMessageReceiver = new ChatMessageReceiver();
IntentFilter filter = new IntentFilter("com.xch.servicecallback.content");
registerReceiver(chatMessageReceiver, filter);
}
private void findViewById() {
listView = findViewById(R.id.chatmsg_listView);
btn_send = findViewById(R.id.btn_send);
et_content = findViewById(R.id.et_content);
btn_send.setOnClickListener(this);
}
private void initView() {
//监听输入框的变化
et_content.addTextChangedListener(new TextWatcher() {
@Override
public void beforeTextChanged(CharSequence charSequence, int i, int i1, int i2) {
}
@Override
public void onTextChanged(CharSequence charSequence, int i, int i1, int i2) {
if (et_content.getText().toString().length() > 0) {
btn_send.setVisibility(View.VISIBLE);
} else {
btn_send.setVisibility(View.GONE);
}
}
@Override
public void afterTextChanged(Editable editable) {
}
});
}
@Override
public void onClick(View view) {
switch (view.getId()) {
case R.id.btn_send:
String content = et_content.getText().toString();
if (content.length() <= 0) {
Util.showToast(mContext, "消息不能为空哟");
return;
}
if (client != null && client.isOpen()) {
jWebSClientService.sendMsg(content);
//暂时将发送的消息加入消息列表，实际以发送成功为准（也就是服务器返回你发的消息时）
ChatMessage chatMessage=new ChatMessage();
chatMessage.setContent(content);
chatMessage.setIsMeSend(1);
chatMessage.setIsRead(1);
chatMessage.setTime(System.currentTimeMillis()+"");
chatMessageList.add(chatMessage);
initChatMsgListView();
et_content.setText("");
} else {
Util.showToast(mContext, "连接已断开，请稍等或重启App哟");
}
break;
default:
break;
}
}
private void initChatMsgListView(){
adapter_chatMessage = new Adapter_ChatMessage(mContext, chatMessageList);
listView.setAdapter(adapter_chatMessage);
listView.setSelection(chatMessageList.size());
}
/**
* 检测是否开启通知
*
* @param context
*/
private void checkNotification(final Context context) {
if (!isNotificationEnabled(context)) {
new AlertDialog.Builder(context).setTitle("温馨提示")
.setMessage("你还未开启系统通知，将影响消息的接收，要去开启吗？")
.setPositiveButton("确定", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
setNotification(context);
}
}).setNegativeButton("取消", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
}
}).show();
}
}
/**
* 如果没有开启通知，跳转至设置界面
*
* @param context
*/
private void setNotification(Context context) {
Intent localIntent = new Intent();
//直接跳转到应用通知设置的代码：
if (android.os.Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
localIntent.setAction("android.settings.APP_NOTIFICATION_SETTINGS");
localIntent.putExtra("app_package", context.getPackageName());
localIntent.putExtra("app_uid", context.getApplicationInfo().uid);
} else if (android.os.Build.VERSION.SDK_INT == Build.VERSION_CODES.KITKAT) {
localIntent.setAction(Settings.ACTION_APPLICATION_DETAILS_SETTINGS);
localIntent.addCategory(Intent.CATEGORY_DEFAULT);
localIntent.setData(Uri.parse("package:" + context.getPackageName()));
} else {
//4.4以下没有从app跳转到应用通知设置页面的Action，可考虑跳转到应用详情页面,
localIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
if (Build.VERSION.SDK_INT >= 9) {
localIntent.setAction("android.settings.APPLICATION_DETAILS_SETTINGS");
localIntent.setData(Uri.fromParts("package", context.getPackageName(), null));
} else if (Build.VERSION.SDK_INT <= 8) {
localIntent.setAction(Intent.ACTION_VIEW);
localIntent.setClassName("com.android.settings", "com.android.setting.InstalledAppDetails");
localIntent.putExtra("com.android.settings.ApplicationPkgName", context.getPackageName());
}
}
context.startActivity(localIntent);
}
/**
* 获取通知权限,监测是否开启了系统通知
*
* @param context
*/
@TargetApi(Build.VERSION_CODES.KITKAT)
private boolean isNotificationEnabled(Context context) {
String CHECK_OP_NO_THROW = "checkOpNoThrow";
String OP_POST_NOTIFICATION = "OP_POST_NOTIFICATION";
AppOpsManager mAppOps = (AppOpsManager) context.getSystemService(Context.APP_OPS_SERVICE);
ApplicationInfo appInfo = context.getApplicationInfo();
String pkg = context.getApplicationContext().getPackageName();
int uid = appInfo.uid;
Class appOpsClass = null;
try {
appOpsClass = Class.forName(AppOpsManager.class.getName());
Method checkOpNoThrowMethod = appOpsClass.getMethod(CHECK_OP_NO_THROW, Integer.TYPE, Integer.TYPE,
String.class);
Field opPostNotificationValue = appOpsClass.getDeclaredField(OP_POST_NOTIFICATION);
int value = (Integer) opPostNotificationValue.get(Integer.class);
return ((Integer) checkOpNoThrowMethod.invoke(mAppOps, value, uid, pkg) == AppOpsManager.MODE_ALLOWED);
} catch (Exception e) {
e.printStackTrace();
}
return false;
}
}
