安卓接收不到发送的广播

[qq_35709020]

已经静态注册了广播
在第一个activity中通过广播发送一个时间信号
在另一个activity中接收信号并显示在textview中

public void Sendtime(View view){
        //使用广播发送时间
        Intent intent=new Intent("android.sendtime");
        sendBroadcast(intent, String.valueOf(A));
    }

注册：

<receiver android:name=".Settings$TimeReceiver" >
            <intent-filter>
                <action android:name="android.sendtime"/>

        </intent-filter> </receiver>

 public class TimeReceiver extends BroadcastReceiver{

        @Override
        public void onReceive(Context context, Intent intent) {
            timeshow.setText(intent.getAction());
        }
    }

[键盘舞者113]

现在需要加上包名才行

Intent it = new Intent("com.hisense.test.broadcast");  
it.setComponent(new ComponentName("com.example.broadcasttest",  
                        "com.example.broadcasttest.MyBroadcast"));  
sendBroadcast(it);  

[键盘舞者113]

又或者需要添加权限

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.example.permissionbroadcastreceiver">
<uses-permission android:name="com.example.broadcast.permission" />
    <permission
        android:name="com.example.broadcast.permission"
        android:protectionLevel="normal" />
    <application
        android:allowBackup="true"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:roundIcon="@mipmap/ic_launcher_round"
        android:supportsRtl="true"
        android:theme="@style/AppTheme">
        <activity android:name=".MainActivity">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
        <receiver android:name=".PermissionRecevicer"
            android:permission="com.example.broadcast.permission">
            <intent-filter>
                <action android:name="com.example.permissionbroadcastreceiver.message" />
            </intent-filter>
        </receiver>
    </application>

</manifest>

[xxx355200]

这样发送消息：

 Intent intent = new Intent();
                intent.setAction("abc");
                intent.putExtra("bbb", "ccc");
                sendBroadcast(intent);

接收： Toast.makeText(context, intent.getStringExtra("bbb"), Toast.LENGTH_SHORT).show();