在测试此应用程序时,我不断收到强制关闭错误。应用程序打开正常.. 但 3-4 秒后强制关闭错误对话框出现。包括代码。任何帮助将不胜感激。谢谢
显现
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.cy.headset"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk
android:minSdkVersion="8"
android:targetSdkVersion="17" />
<application
android:allowBackup="true"
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@style/AppTheme" >
<receiver android:name=".Main" >
<intent-filter>
<action android:name="android.content.Intent.ACTION_BATTERY_CHANGED" />
</intent-filter>
</receiver>
<activity
android:name="com.cy.headset.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>
</application>
Java 代码
package com.cy.headset;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.widget.Toast;
public class Main extends BroadcastReceiver{
@Override
public void onReceive(Context context, Intent i) {
Toast.makeText(context, "Headphone connected", Toast.LENGTH_LONG).show();
}}
XML 用户界面文件
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".Main" >
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentRight="true"
android:layout_alignParentTop="true"
android:layout_margin="10dp"
android:layout_marginTop="151dp"
android:text="@string/hello_world"
android:textAlignment="center" />