Android应用源码之40.Status_Bar_Notifications.zip项目安卓应用源码下载

package com.szy.statusbar; import android.app.Activity; import android.app.Notification; import android.app.NotificationManager; import android.app.PendingIntent; import android.content.Context; import android.content.Intent; import android.os.Bundle; import android.view.View; import android.view.View.OnClickListener; import android.widget.Button; import android.widget.RemoteViews; public class MainActivity extends Activity { private Button btnBar; private Button btnCancel; private Button btnUpdate; private Button btnCustom; private static final int STATUS_BAR_ID = 1; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); btnBar=(Button)findViewById(R.id.btnBar); btnBar.setOnClickListener(listener); btnCancel=(Button)findViewById(R.id.btnCancel); btnCancel.setOnClickListener(listener); btnUpdate=(Button)findViewById(R.id.btnUpdate); btnUpdate.setOnClickListener(listener); btnCustom=(Button)findViewById(R.id.btnCustom); btnCustom.setOnClickListener(listener); } private OnClickListener listener = new OnClickListener() { @Override public void onClick(View v) { NotificationManager notificationManager=(NotificationManager)getSystemService(Context.NOTIFICATION_SERVICE); Notification notification; Context context; CharSequence contentTitle; CharSequence contentText; Intent intent; PendingIntent contentIntent; switch (v.getId()) { case R.id.btnBar: notification = new Notification(); notification.icon=R.drawable.bar; notification.tickerText="Android开发从零开始"; notification.when=System.currentTimeMillis(); //notification.flags=Notification.FLAG_AUTO_CANCEL; context = getApplicationContext(); contentTitle = "通知"; contentText = "大家好，Android开发从零开始又开始录制了。"; intent = new Intent(MainActivity.this, StatusBarActivity.class); contentIntent = PendingIntent.getActivity(MainActivity.this, 0, intent, 0); notification.setLatestEventInfo(context, contentTitle, contentText, contentIntent); notificationManager.notify(STATUS_BAR_ID, notification); break; case R.id.btnCancel: notificationManager.cancel(STATUS_BAR_ID); break; case R.id.btnUpdate: notification = new Notification(); notification.icon=R.drawable.bar; notification.tickerText="第二条消息"; notification.when=System.currentTimeMillis(); context = getApplicationContext(); contentTitle = "通知"; contentText = "两条消息未读。"; intent = new Intent(MainActivity.this, StatusBarActivity.class); contentIntent = PendingIntent.getActivity(MainActivity.this, 0, intent, 0); notification.setLatestEventInfo(context, contentTitle, contentText, contentIntent); notificationManager.notify(STATUS_BAR_ID, notification); break; case R.id.btnCustom: notification = new Notification(); notification.icon=R.drawable.bar; notification.tickerText="Android开发从零开始"; notification.when=System.currentTimeMillis(); notification.flags=Notification.FLAG_AUTO_CANCEL; RemoteViews contentView = new RemoteViews(getPackageName(), R.layout.custom_notification_layout); contentView.setImageViewResource(R.id.image, R.drawable.notification_image); contentView.setTextViewText(R.id.text, "自定义显示界面"); notification.contentView = contentView; intent = new Intent(MainActivity.this, StatusBarActivity.class); contentIntent = PendingIntent.getActivity(MainActivity.this, 0, intent, 0); notification.contentIntent = contentIntent; notificationManager.notify(STATUS_BAR_ID, notification); break; default: break; } } }; }