有序广播的发送

发送端主函数

public class MainActivity extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

    }

    public void Onclick(View v){
        Intent intent = new Intent();
        intent.setAction("sendRice");
        sendOrderedBroadcast(intent,null,new FinalRiciver(),null,1,"发了1000斤大米",null);
    }
}

FinalRiciver

public class FinalRiciver extends BroadcastReceiver {
    @Override
    public void onReceive(Context context, Intent intent) {
        String resultData = getResultData();
        Toast.makeText(context,"最终"+resultData,Toast.LENGTH_LONG).show();
}
}

接收端函数

市长

public class CityRicever extends BroadcastReceiver {
    @Override
    public void onReceive(Context context, Intent intent) {
        String resultData = getResultData();
        Toast.makeText(context,"市长"+resultData,Toast.LENGTH_LONG).show();
        setResultData("发了500斤大米");
    }
}

县长

public class ViligerRicever extends BroadcastReceiver {
    @Override
    public void onReceive(Context context, Intent intent) {
        String resultData = getResultData();
        Toast.makeText(context,"村长"+resultData,Toast.LENGTH_LONG).show();
        setResultData("发了200斤大米");
    }
}

农民

    public void onReceive(Context context, Intent intent) {
        String resultData = getResultData();
        Toast.makeText(context,"农民"+resultData,Toast.LENGTH_LONG).show();
    }

manifest的配置

 <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=".CityRicever">
            <intent-filter android:priority="1000">
                <action android:name="sendRice" />
            </intent-filter>
        </receiver>
        <receiver android:name=".ViligerRicever">
            <intent-filter android:priority="500">
                <action android:name="sendRice" />
            </intent-filter>

        </receiver>
        <receiver android:name=".FamerRicever">
            <intent-filter android:priority="100">
                <action android:name="sendRice" />
            </intent-filter>
        </receiver>

特殊广播

image.png