Android-broadcast靜態動態廣播

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廣播的靜態和動態類型

靜態廣播：

1.繼承之broadcastreceiver

public class MyStaticBroadcastReceiver extends BroadcastReceiver {    @Override    public void onReceive(Context context, Intent intent) {        //RemoteViews remoteViews = new RemoteViews(context.getPackageName(), R.layout.widget_layout);        Toast.makeText(context,"zcxczcxstatic",Toast.LENGTH_SHORT).show();        Log.d("zcx","staticbroad");        //remoteViews.setTextViewText(R.id.widget_text, intent.getStringExtra("MESSAGE"));        //context.startActivity(intent);        AlertDialog.Builder builder = new AlertDialog.Builder(context);        builder.setTitle("提示")                .setMessage("收到BroadcastSend應用程式的廣播")                .setPositiveButton("確定", new DialogInterface.OnClickListener() {                    @Override                    public void onClick(DialogInterface dialog, int which) {                    }                })                .setNegativeButton("取消", new DialogInterface.OnClickListener() {                    @Override                    public void onClick(DialogInterface dialog, int which) {                    }                });        AlertDialog dialog = (AlertDialog) builder.create();        dialog.getWindow().setType(WindowManager.LayoutParams.TYPE_SYSTEM_ALERT);        dialog.show();                //AppWidgetManager.getInstance(context).updateAppWidget(new ComponentName(         //       context.getApplicationContext(), MyWidgetProvider.class), remoteViews);    }

 

2.在AndroidManifest中定義

<receiver android:priority="1000"  android:name=".MyStaticBroadcastReceiver"            android:permission="com.example.zcx.permission"            android:process=":remote"            >            <intent-filter>                <action android:name="android.zcx"></action>            </intent-filter></receiver>>

3.client 調用

Log.d("zcx","sendStaticBroadcastButton");                //Toast.makeText(getApplicationContext(),"zcxczcx",Toast.LENGTH_SHORT).show();                Intent intent = new Intent();                intent.setAction("android.zcx");                //intent.setAction("android.appwidget.action.zcx");                intent.addFlags(FLAG_INCLUDE_STOPPED_PACKAGES);                //intent.putExtra("MESSAGE", editText.getText().toString());                sendBroadcast(intent);

 

 

動態廣播：

1.繼承之broadcastreceiver

@Override    public void onReceive(Context context, Intent intent) {        //RemoteViews remoteViews = new RemoteViews(context.getPackageName(), R.layout.widget_layout);        Log.d("zcx","MyDynamicBroadcastReceiver");        //remoteViews.setTextViewText(R.id.widget_text, intent.getStringExtra("MESSAGE"));        Toast.makeText(context,"zcxczcxDYnamic",Toast.LENGTH_SHORT).show();        //AppWidgetManager.getInstance(context).updateAppWidget(new ComponentName(         //       context.getApplicationContext(), MyWidgetProvider.class), remoteViews);        AlertDialog.Builder builder = new AlertDialog.Builder(context);        builder.setTitle("提示")                .setMessage("收到BroadcastSend dYNAMIC應用程式的廣播")                .setPositiveButton("確定", new DialogInterface.OnClickListener() {                    @Override                    public void onClick(DialogInterface dialog, int which) {                    }                })                .setNegativeButton("取消", new DialogInterface.OnClickListener() {                    @Override                    public void onClick(DialogInterface dialog, int which) {                    }                });        AlertDialog dialog = (AlertDialog) builder.create();        dialog.getWindow().setType(WindowManager.LayoutParams.TYPE_SYSTEM_ALERT);        dialog.show();    }

2.服務端代碼註冊啟動

IntentFilter dynamic_filter = new IntentFilter();        dynamic_filter.addAction("android.appwidget.action.zcx");        myDynamicBroadcastReceiver = new MyDynamicBroadcastReceiver();        registerReceiver(myDynamicBroadcastReceiver,dynamic_filter);

3.用戶端調用

public void onClick(View v) {                Intent intent = new Intent();                //intent.setAction("android.zcx");                intent.setAction("android.appwidget.action.zcx");                //intent.addFlags(FLAG_INCLUDE_STOPPED_PACKAGES);                //intent.putExtra("MESSAGE", editText.getText().toString());                sendBroadcast(intent);}

 

 動態廣播和靜態廣播的區別：

（1）動態註冊廣播不是常駐型廣播，也就是說廣播跟隨Activity的生命週期。注意在Activity結束前，移除廣播接收器。

靜態註冊是常駐型，也就是說當應用程式關閉後，如果有資訊廣播來，程式也會被系統調用自動運行。

 

這裡採用動態和靜態實現方式，服務和用戶端，服務要開啟，客戶才可以調用服務的廣播接收，動態可以理解，靜態為什嗎？

 

Android-broadcast靜態動態廣播