每次重啓設備時都嘗試重置SharedPreference。爲什麼我的ON_BOOT_COMPLETED廣播接收器不工作?
這裏是我的代碼:
MyReceiver.java
package ***************;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
public class MyReceiver extends BroadcastReceiver {
SharedPreferences mPrefs;
@Override
public void onReceive(Context context, Intent intent) {
mPrefs = context.getSharedPreferences("myAppPrefs", 0);
setStatus("***********");
}
public void setStatus(String statustext) {
SharedPreferences.Editor edit = mPrefs.edit();
edit.putString("status", statustext);
edit.commit();
}
}
Android清單
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
android:versionCode="1" package="*********" android:versionName="1.8.3">
<application android:icon="@drawable/icon" android:label="@string/app_name">
<activity android:name=".Main"
android:label="@string/app_name"
android:configChanges="keyboardHidden|orientation"
android:screenOrientation="portrait">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<activity android:name="help"></activity>
<activity android:name="MyReceiver"></activity>
<receiver android:name=".MyReceiver">
<intent-filter>
<action android:name="android.intent.action.BOOT_COMPLETE"/>
<category android:name="android.intent.category.DEFAULT" />
</intent-filter>
</receiver>
</application>
<uses-sdk android:minSdkVersion="4" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"></uses-permission>
<uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED"></uses-permission>
<uses-permission android:name="android.permission.READ_PHONE_STATE"></uses-permission>
</manifest>
的SharedPreferences是我的主要活動設置。我的目標是獲得ON_BOOT_COMPLETED廣播來觸發MyReceiver活動,該活動會重置特定的SharedPreference,但是,當我嘗試此操作時,SharedPref未被重置。
我在做什麼錯? (我同時包含@Commonware和@ Blundell的修復程序,但它仍然不起作用)
您可以擺脫MyReceiver的標籤,因爲我認爲它仍然未被使用 –
Blundell
2011-04-02 17:41:39