The document summarizes the habitat, physical appearance, diet, predators, reproduction, social behavior, intelligence, current studies, and conservation status of the red octopus (Octopus rebescens). The red octopus lives in kelp beds, rocky areas, sandy bottoms, and under stones up to 1000 feet deep. It hunts prey like crabs and uses camouflage, ink, and its flexible body to evade predators and defend itself. The red octopus reproduces through mating and lays eggs that hatch into juvenile octopuses.
El documento describe una actividad práctica para implementar enfoques innovadores en la enseñanza, utilizando como tema las mitos y leyendas de la región de Huilensidad. La actividad se basa en el aprendizaje por retos y consiste en varias etapas: comprensión lectora, construcción cooperativa de resúmenes, presentación de ejemplos por parte de los estudiantes, y como evaluación final la creación de una presentación en PowerPoint representando un personaje mítico. El objetivo es que los estudiantes exploren las creencias regionales
The document discusses the history and evolution of chocolate over centuries. It details how chocolate originated from cacao beans used by the Olmecs and Mayans as currency and medicine. Later, chocolate drinks became popular among the Aztecs and Spanish conquerors introduced chocolate to Europe in the 16th century. Chocolate became widely consumed as a beverage in Europe in the 18th century and a candy in the 19th century after methods for making solid chocolate were invented.
The document summarizes the habitat, physical appearance, diet, predators, reproduction, social behavior, intelligence, current studies, and conservation status of the red octopus (Octopus rebescens). The red octopus lives in kelp beds, rocky areas, sandy bottoms, and under stones up to 1000 feet deep. It hunts prey like crabs and uses camouflage, ink, and its flexible body to evade predators and defend itself. The red octopus reproduces through mating and lays eggs that hatch into juvenile octopuses.
El documento describe una actividad práctica para implementar enfoques innovadores en la enseñanza, utilizando como tema las mitos y leyendas de la región de Huilensidad. La actividad se basa en el aprendizaje por retos y consiste en varias etapas: comprensión lectora, construcción cooperativa de resúmenes, presentación de ejemplos por parte de los estudiantes, y como evaluación final la creación de una presentación en PowerPoint representando un personaje mítico. El objetivo es que los estudiantes exploren las creencias regionales
The document discusses the history and evolution of chocolate over centuries. It details how chocolate originated from cacao beans used by the Olmecs and Mayans as currency and medicine. Later, chocolate drinks became popular among the Aztecs and Spanish conquerors introduced chocolate to Europe in the 16th century. Chocolate became widely consumed as a beverage in Europe in the 18th century and a candy in the 19th century after methods for making solid chocolate were invented.
Joel Gutierrez enjoys many activities that make him feel happy, including skateboarding, playing soccer, basketball, and football. He also likes thinking about his favorite car, working on mechanics, and envisioning his future. Spending time with friends, having money, taking vacations, and being with family are other things that bring Joel happiness.
Hepatitis is inflammation of the liver that is characterized by the presence of inflammatory cells in liver tissue. There are multiple causes of hepatitis including viral, chemical, autoimmune and metabolic. The main viruses that cause hepatitis are hepatitis A, B, C, D, and E viruses. Hepatitis A virus is transmitted through the fecal-oral route and causes an acute infection. Hepatitis B and C viruses are transmitted through blood and bodily fluids and can cause both acute and chronic infections. Hepatitis D virus only occurs in those already infected with hepatitis B. Prevention strategies include vaccination, harm reduction education, and screening of blood and organ donors.
El documento describe una metodología de aprendizaje basada en retos que consiste en contextualizar el tema mediante lecturas y vocabulario clave, desarrollar un resumen cooperativo, presentar ejemplos para construir conceptos, orientar los conceptos con más ejemplos, permitir que los estudiantes propongan ejemplos y corrijan fallas, y evaluar con un producto propuesto por los estudiantes aplicando la temática. La metodología motiva a los estudiantes a explorar el tema contextualizado y les da confianza para comprender y presentar
This document summarizes two poems from the 20th century. The first poem by Carl Sandburg discusses how languages change over time, comparing them to rivers that can suddenly change course. It notes how words spoken today may be ancient hieroglyphics in the future. The second poem by Ezra Pound is a letter from a wife to her husband, revealing they married young, a common 20th century trend. It describes their naïve relationship being rushed and now long-distance, reflecting new relationship styles of the era.
Aplikasi fungsi linier dan sistem persamaan dalam bisnisNailul Hasibuan
Dokumen menjelaskan tentang aplikasi fungsi linier dan sistem persamaan dalam konteks pasar keseimbangan. Terdapat penjelasan tentang fungsi permintaan, penawaran, dan keseimbangan pasar satu dan dua produk. Juga dijelaskan dampak pajak dan subsidi pemerintah terhadap perubahan keseimbangan pasar.
Presentation on Internet Security by @SteveMushero of @ChinaNetCloud, given in Shanghai in May, 2015.
Covers threats, risks, and solutions.
Bi-lingual English & Chinese.
Joel Gutierrez enjoys many activities that make him feel happy, including skateboarding, playing soccer, basketball, and football. He also likes thinking about his favorite car, working on mechanics, and envisioning his future. Spending time with friends, having money, taking vacations, and being with family are other things that bring Joel happiness.
Hepatitis is inflammation of the liver that is characterized by the presence of inflammatory cells in liver tissue. There are multiple causes of hepatitis including viral, chemical, autoimmune and metabolic. The main viruses that cause hepatitis are hepatitis A, B, C, D, and E viruses. Hepatitis A virus is transmitted through the fecal-oral route and causes an acute infection. Hepatitis B and C viruses are transmitted through blood and bodily fluids and can cause both acute and chronic infections. Hepatitis D virus only occurs in those already infected with hepatitis B. Prevention strategies include vaccination, harm reduction education, and screening of blood and organ donors.
El documento describe una metodología de aprendizaje basada en retos que consiste en contextualizar el tema mediante lecturas y vocabulario clave, desarrollar un resumen cooperativo, presentar ejemplos para construir conceptos, orientar los conceptos con más ejemplos, permitir que los estudiantes propongan ejemplos y corrijan fallas, y evaluar con un producto propuesto por los estudiantes aplicando la temática. La metodología motiva a los estudiantes a explorar el tema contextualizado y les da confianza para comprender y presentar
This document summarizes two poems from the 20th century. The first poem by Carl Sandburg discusses how languages change over time, comparing them to rivers that can suddenly change course. It notes how words spoken today may be ancient hieroglyphics in the future. The second poem by Ezra Pound is a letter from a wife to her husband, revealing they married young, a common 20th century trend. It describes their naïve relationship being rushed and now long-distance, reflecting new relationship styles of the era.
Aplikasi fungsi linier dan sistem persamaan dalam bisnisNailul Hasibuan
Dokumen menjelaskan tentang aplikasi fungsi linier dan sistem persamaan dalam konteks pasar keseimbangan. Terdapat penjelasan tentang fungsi permintaan, penawaran, dan keseimbangan pasar satu dan dua produk. Juga dijelaskan dampak pajak dan subsidi pemerintah terhadap perubahan keseimbangan pasar.
Presentation on Internet Security by @SteveMushero of @ChinaNetCloud, given in Shanghai in May, 2015.
Covers threats, risks, and solutions.
Bi-lingual English & Chinese.
26. • Android will display the ANR dialog when:
– No response to an input event (such as key press or
screen touch events) within 5 seconds.
– A BroadcastReceiver hasn't finished executing within
10 seconds.
• In order to avoid ANR and keep your App
responsive, the time-consuming operations
should run in a new thread : AsyncTask ,
thread/handler/looper
Activity
27. Service
• Service
– perform long-running
operations in the
background and does not
provide a user interface,
ex:play music.
• start/stopService
• bind/unbindService
28. Service
• Service killed by system?
– Not kill:Running a Service in the Foreground
• startForeground() and stopForeground()
– Restart service :
• onStartCommand()
– START_NOT_STICKY/START_STICKY/START_REDEL
IVER_INTENT
31. Content Provider
创建ContentProvider共享数据,继承ContentProvider并重写下面方法:
public class PersonContentProvider extends ContentProvider{
public boolean onCreate()
public Uri insert(Uri uri, ContentValues values)
public int delete(Uri uri, String selection, String[] selectionArgs)
public int update(Uri uri, ContentValues values, String selection, String[] selectionArgs)
public Cursor query(Uri uri, String[] projection, String selection, String[] selectionArgs, String
sortOrder)
public String getType(Uri uri)}
AndroidManifest.xml使用<provider>对该ContentProvider进行配置,为了能让其他应用找
到该ContentProvider , ContentProvider 采用了authorities(主机名/域名)对它进行唯
一标识:
<manifest .... >
<application android:icon="@drawable/icon" android:label="@string/app_name">
<provider android:name=".PersonContentProvider"
android:authorities="cn.itcast.providers.personprovider"/>
</application>
</manifest>
32. Intent and Intent Filters
• Intent: an abstract description of an action to be performed.
– startActivity()来启动一个activity,
– 由broadcast Intent()来传递给所有感兴趣的BroadcaseReceiver,
– startService()/bindservice()来启动一个service
• Intent组成 :
– action,data
– other parts: category/type/component/extras
• IntentFilter : An IntentFilter can match against actions, categories,
and data (either via its type, scheme, and/or path) in an Intent.
33. 其他开发组件
• UI:
– Button,textview,listview , xxxLayout…
• Input event:
– TouchEvent, KeyDown,multi-touch …
• System service:
– Location service,telephony service,sensor
service, wifi service, usb service …
• http://developer.android.com/index.html