我试图使用intents
和broadcast receiver
获得所有安装的应用程序,但问题是我从未指向我的onReceive
方法,因此没有获得任何包名称。我使用以下代码:
KillAppBCR.java
public class KillAppBCR extends Activity {
private static final String TAG = "BroadcastReceiver";
BroadcastReceiver receiver;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
IntentFilter filter = new IntentFilter(Intent.ACTION_PACKAGE_ADDED);
receiver = new TestBroadcastReceiver();
registerReceiver(receiver, filter);
Log.e(TAG, "onCreate");
Toast.makeText(KillAppBCR.this,"onCreate",Toast.LENGTH_SHORT).show();
}
TestBroadcastReceiver.java
public class TestBroadcastReceiver extends BroadcastReceiver
{
private static final String TAG = "TestBroadcastReceiver";
@Override
public void onReceive(Context context, Intent intent)
{
String actionStr = intent.getAction();
Log.e(TAG, "onReceive");
Toast.makeText(context,"onReceive",Toast.LENGTH_SHORT).show();
if (Intent.ACTION_PACKAGE_ADDED.equals(actionStr)) {
Uri data = intent.getData();
}
}
}
AndroidManifest.xml
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.KillAppBCR"
android:versionCode="1"
android:versionName="1.0">
<uses-sdk android:minSdkVersion="8" />
<application android:icon="@drawable/icon" android:label="@string/app_name">
<activity android:name=".KillAppBCR"
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="com.KillAppBCR" />
</intent-filter>
</receiver>
</application>
</manifest>
日志猫
07-19 18:39:48.768: ERROR/BroadcastReceiver(512): CC
07-19 18:39:49.008: INFO/ActivityManager(58): Displayed activity com.KillAppBCR/.KillAppBCR: 685 ms (total 685 ms)
07-19 18:39:54.338: DEBUG/dalvikvm(121): GC_EXPLICIT freed 259 objects / 12032 bytes in 157ms
07-19 18:42:58.943: DEBUG/SntpClient(58): request time failed: java.net.SocketException: Address family not supported by protocol
07-19 18:47:58.989: DEBUG/SntpClient(58): request time failed: java.net.SocketException: Address family not supported by protocol
问题在哪里?请帮助我,我想接收所有安装的应用程序的广播。
谢谢
为什么你的活动代码很可能不起作用:你只是暂时用registerReceiver
注册接收者。所以Android会在你关闭Activity后再次杀死你的接收器。
你要做的是取代com.KillAppBCR
与android.intent.action.PACKAGE_ADDED
在你的AndroidManifest.xml。
我认为你必须确保你的应用程序不仅仅是一个gui,也就是说,也许它应该有一个服务组件,可以记录所有正在进行的安装。恕我直言,您正在尝试仅读取新安装的内容,对吗?因为这是代码应该做的事情,但是正如TomTasche指出的那样,如果您离开它,显然您的应用程序将被杀死。一旦你的应用程序死了,就什么都没有了。没有意图,没有通知,很简单。