Broadcast IntentとBroadcast Receiverの使用
18093 ワード
package tw.android;
import android.app.Activity;
import android.content.*;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
public class Main extends Activity {
private Button mBtnRegReceiver,
mBtnUnregReceiver,
mBtnSendBroadcase1,
mBtnSendBroadcase2;
private MyBroadcaseReceiver2 mMyReceiver2;
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
setupViewComponent();
}
private void setupViewComponent() {
mBtnRegReceiver = (Button)findViewById(R.id.btnRegReceiver);
mBtnUnregReceiver = (Button)findViewById(R.id.btnUnregReceiver);
mBtnSendBroadcase1 = (Button)findViewById(R.id.btnSendBroadcase1);
mBtnSendBroadcase2 = (Button)findViewById(R.id.btnSendBroadcase2);
mBtnRegReceiver.setOnClickListener(btnRegReceiverOnClickLis);
mBtnUnregReceiver.setOnClickListener(btnUnregReceiverOnClickLis);
mBtnSendBroadcase1.setOnClickListener(btnSendBroadcase1OnClickLis);
mBtnSendBroadcase2.setOnClickListener(btnSendBroadcase2OnClickLis);
}
private Button.OnClickListener btnRegReceiverOnClickLis = new Button.OnClickListener() {
public void onClick(View v) {
IntentFilter itFilter = new IntentFilter("tw.android.MY_BROADCAST2");
mMyReceiver2 = new MyBroadcaseReceiver2();
registerReceiver(mMyReceiver2, itFilter);
}
};
private Button.OnClickListener btnUnregReceiverOnClickLis = new Button.OnClickListener() {
public void onClick(View v) {
unregisterReceiver(mMyReceiver2);
}
};
private Button.OnClickListener btnSendBroadcase1OnClickLis = new Button.OnClickListener() {
public void onClick(View v) {
Intent it = new Intent("tw.android.MY_BROADCAST1");
it.putExtra("sender_name", " ");
sendBroadcast(it);
}
};
private Button.OnClickListener btnSendBroadcase2OnClickLis = new Button.OnClickListener() {
public void onClick(View v) {
Intent it = new Intent("tw.android.MY_BROADCAST2");
it.putExtra("sender_name", " ");
sendBroadcast(it);
}
};
}
package tw.android;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.widget.Toast;
public class MyBroadcaseReceiver1 extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
// TODO Auto-generated method stub
String sender = intent.getStringExtra("sender_name");
Toast.makeText(context, "BroadcastReceiver1Μ " + sender + " Broadcase ",
Toast.LENGTH_LONG).show();
}
}
package tw.android;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.widget.Toast;
public class MyBroadcaseReceiver2 extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
// TODO Auto-generated method stub
String sender = intent.getStringExtra("sender_name");
Toast.makeText(context, "BroadcastReceiver2Μ " + sender + " Broadcase ",
Toast.LENGTH_LONG).show();
}
}
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="horizontal"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
>
<LinearLayout
android:orientation="vertical"
android:layout_width="0dp"
android:layout_height="fill_parent"
android:layout_weight="1"
/>
<LinearLayout
android:orientation="vertical"
android:layout_width="0dp"
android:layout_height="fill_parent"
android:layout_weight="1"
>
<Button android:id="@+id/btnRegReceiver"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text=" Broadcase Receiver2"
android:layout_marginTop="20dp"
/>
<Button android:id="@+id/btnUnregReceiver"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text=" Broadcase Receiver2"
/>
<Button android:id="@+id/btnSendBroadcase1"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text=" MY_BROADCAST1"
/>
<Button android:id="@+id/btnSendBroadcase2"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text=" MY_BROADCAST2"
/>
</LinearLayout>
<LinearLayout
android:orientation="vertical"
android:layout_width="0dp"
android:layout_height="fill_parent"
android:layout_weight="1"
/>
</LinearLayout>
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="tw.android"
android:versionCode="1"
android:versionName="1.0">
<uses-sdk android:targetSdkVersion="11" />
<application android:icon="@drawable/icon" android:label="@string/app_name">
<activity android:name=".Main"
android:label="@string/app_name">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<receiver android:name=".MyBroadcaseReceiver1"
android:label="@string/app_name">
<intent-filter>
<action android:name="tw.android.MY_BROADCAST1" />
</intent-filter>
</receiver>
</application>
</manifest>