Android 启动完成时自动运行应用程序
当[Android]手机启动时,我需要启动一个应用程序。Android 启动完成时自动运行应用程序,android,toast,Android,Toast,当[Android]手机启动时,我需要启动一个应用程序。 我编译了这段代码,应用程序没有崩溃,但也没有显示任何内容 现在我试着用吐司,但还是找不到。 有人能帮我吗 这是主要活动: package com.example.simplenotification; import android.app.Activity; import android.app.AlarmManager; import android.app.Notification; import android.app.Notif
我编译了这段代码,应用程序没有崩溃,但也没有显示任何内容
现在我试着用吐司,但还是找不到。 有人能帮我吗 这是主要活动:
package com.example.simplenotification;
import android.app.Activity;
import android.app.AlarmManager;
import android.app.Notification;
import android.app.NotificationManager;
import android.app.PendingIntent;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.support.v4.app.NotificationCompat;
import android.support.v4.app.NotificationManagerCompat;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.RemoteViews;
import android.widget.Toast;
public class MainActivity extends Activity {
private static final int MY_NOTIFICATION_ID = 0;
private int mNotificationCount;
private final CharSequence tickerText ="this is tickerText";
private final CharSequence contentTitle="this contentTitle";
private final CharSequence contentText="this coontentText";
private Intent mNotificationIntent;
private PendingIntent mContentIntent;
RemoteViews mContentView = new RemoteViews("com.example.simplenotification.StatusBarWithCustomView", R.layout.custom_view);
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
mNotificationIntent = new Intent(getApplicationContext(),AppGet.class);
mContentIntent = PendingIntent.getActivity(getApplicationContext(), 0, mNotificationIntent, Intent.FLAG_ACTIVITY_NEW_TASK);
final Button button = (Button) findViewById(R.id.button1);
button.setOnClickListener(new OnClickListener() {
public void onClick(View v){
startNotification();
}
});
}
public void startNotification(){
Intent notificationIntent = new Intent(getApplicationContext(), MainActivity.class);
// set intent so it does not start a new activity
notificationIntent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP |
Intent.FLAG_ACTIVITY_SINGLE_TOP);
PendingIntent intent =
PendingIntent.getActivity(MainActivity.this, 0, notificationIntent, 0);
NotificationCompat.Builder notificationBuilder = new NotificationCompat.Builder(getApplicationContext())
.setTicker(tickerText)
.setSmallIcon(R.drawable.ic_launcher)
.setAutoCancel(true)
.setContentTitle("titolo content")
.setContentText("content text")
.setContentIntent(intent);
NotificationManagerCompat mNotificationManager = NotificationManagerCompat.from(getApplicationContext());
mNotificationManager.notify(MY_NOTIFICATION_ID,notificationBuilder.build());
}
}
此文件位于Manifest.xml中:
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.example.simplenotification"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk
android:minSdkVersion="8"
android:targetSdkVersion="14" />
<application
android:allowBackup="true"
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@style/AppTheme" >
<activity
android:name=".MainActivity"
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:enabled="true" android:name=".BootUpReceiver"
android:permission="android.permission.RECEIVE_BOOT_COMPLETED">
<intent-filter>
<action android:name="android.intent.action.BOOT_COMPLETED" />
<category android:name="android.intent.category.DEFAULT" />
</intent-filter>
</receiver>
</application>
为BootUpReceiver创建一个单独的类。在清单中,在定义接收方时,在
android:name
中传递ur包名称的正确路径
<receiver android:name=".receivers.BootUpReceiver"
在manisfest中也使用此权限
<uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED"/>
不是100%确定,但请尝试更改此选项
Toast.makeText(context , "saranno 3?" , Toast.LENGTH_SHORT).show();
进入
太多的代码!把它缩小一点,当你这样做的时候,你得到了什么错误?把你的Receiver类作为一个独立的类,而不是像内部的那样。是的,它看起来模糊地正确,你需要一个意图过滤器
和一个广播接收器
,你已经得到了。我建议不要在模拟器上调试这个,坦白地说,我甚至不知道是否有办法做到这一点(应该有)。您的代码有点混乱。BroadcastReceiver是MainActivity的内部类吗?此外,权限不正确。我已经将这两个类分开,并尝试开始一个意图,但仍然没有找到。您必须传递正确的包名,您的BootUpreciver类位于其中,如下所示
Toast.makeText(context , "saranno 3?" , Toast.LENGTH_SHORT).show();
Toast.makeText(context.getApplicationContext() , "saranno 3?" , Toast.LENGTH_SHORT).show();