Android之Intent&BroadcastReceiver

一、TestAndroid

package ext.owen.test;

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;

public class TestAndroid extends Activity implements View.OnClickListener{
String str = "ext.owen.test.NEW_BROADCAST";
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);

Button btn = (Button)this.findViewById(R.id.btn);
btn.setOnClickListener(this);
}

public void onClick(View v) {
if(v.getId() == R.id.btn) {
Intent intent = new Intent(str);
// intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
this.sendBroadcast(intent);
}
}
}

二、TestBroadcastReceiver

package ext.owen.test;

import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;

public class TestBroadcastReceiver extends BroadcastReceiver {
String str = "ext.owen.test.NEW_BROADCAST";
public void onReceive(Context context, Intent intent) {
String action = intent.getAction();
System.out.println("--------->>action = " + action);
if(action.equals(str)) {
Intent in = new Intent(context, TestAndroid.class);
in.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
context.startActivity(in);
}
}
}

三、main.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
>
<TextView
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="@string/hello"
/>
<Button
android:id = "@+id/btn"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="Click Me"
/>
</LinearLayout>

四、AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="ext.owen.test"
android:versionCode="1"
android:versionName="1.0">
<application android:icon="@drawable/icon" android:label="@string/app_name">
<activity android:name=".TestAndroid"
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 = "TestBroadcastReceiver">
<intent-filter>
<action android:name = "ext.owen.test.NEW_BROADCAST"/>
</intent-filter>
</receiver>
</application>
<uses-sdk android:minSdkVersion="3" />
</manifest>

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