Retrofit - Revision history

Iwiseman: /* Adding Logging */

2021-02-07T12:52:23Z

Adding Logging

← Older revision		Revision as of 12:52, 7 February 2021
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	<br>		<br>
	We can now see useful logs in the logcat		We can now see useful logs in the logcat
			<br>
	[[File:Retrofit logging.png\|800px]]		[[File:Retrofit logging.png\|800px]]

Iwiseman: /* Adding Logging */

2021-02-07T12:51:36Z

Adding Logging

← Older revision		Revision as of 12:51, 7 February 2021
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	<syntaxhighlight lang="groovy">		<syntaxhighlight lang="groovy">
	implementation 'com.squareup.okhttp3:logging-interceptor:3.9.0'		implementation 'com.squareup.okhttp3:logging-interceptor:3.9.0'
	implementation("com.squareup.okhttp3:logging-interceptor:4.9.0")		implementation 'com.squareup.okhttp3:logging-interceptor:4.9.0'
	</syntaxhighlight>		</syntaxhighlight>
	<br>		<br>
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	We can now see useful logs in the logcat		We can now see useful logs in the logcat
	[[File:Retrofit logging.png\|800px]]		[[File:Retrofit logging.png\|800px]]

	=Parameters=		=Parameters=
	==Path Parameters==		==Path Parameters==

Iwiseman: /* Creating a Retrofit= */

2021-02-07T12:28:17Z

Creating a Retrofit=

← Older revision		Revision as of 12:28, 7 February 2021
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	}		}
	</syntaxhighlight>		</syntaxhighlight>
	====Creating a Retrofit=====		====Creating a Retrofit====
	<syntaxhighlight lang="kotlin">		<syntaxhighlight lang="kotlin">
	object RetrofitFactory {		object RetrofitFactory {

Iwiseman: /* Step 2 Configuring and Building the Service */

2021-02-07T12:27:40Z

Step 2 Configuring and Building the Service

@@ Line 108: / Line 108: @@
 </syntaxhighlight>
 ===Step 2 Configuring and Building the Service===
 <syntaxhighlight lang="kotlin">
 object RetrofitFactory {

Iwiseman: /* Worked Example 2 */

2021-02-07T11:31:13Z

Worked Example 2

← Older revision		Revision as of 11:31, 7 February 2021
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	This is take from the bibbleCovid.		This is take from the bibbleCovid.
	===Step 1 Define the interface ===		===Step 1 Define the interface ===
			<syntaxhighlight lang="kotlin">
			interface BibbleCovidApi {

			@GET("covid/populations")
			fun getListPopulationCount(): Single<List<PopulationCountDTO>>
			}
			</syntaxhighlight>
			===Step 2 Configuring and Building the Service===
	<syntaxhighlight lang="kotlin">		<syntaxhighlight lang="kotlin">
	object RetrofitFactory {		object RetrofitFactory {
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	}		}
	</syntaxhighlight>		</syntaxhighlight>
	~~===Step 2 Configuring and Building the Service===~~
	===Step 3 Send And Receive===		===Step 3 Send And Receive===

Iwiseman: /* Worked Example */

2021-02-07T11:27:47Z

Worked Example

@@ Line 49: / Line 49: @@
 ideaService.getIdeas()
 </syntaxhighlight>
-==Worked Example==
+==Worked Example 1==
 Here is a worked example
 ===Step 1 Define the interface ===
@@ Line 97: / Line 97: @@
          })
 </syntaxhighlight>
 ==Adding Logging==
 Cannot believe the demo suggested logging can be a dry subject. Has to be the most important part of using new frameworks. Without the logging it is impossible to progress. Here goes - sorry about the rant.

Iwiseman: /* Step 1 Define the interface */

2021-02-07T11:10:37Z

Step 1 Define the interface

← Older revision		Revision as of 11:10, 7 February 2021
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	Here is a worked example		Here is a worked example
	===Step 1 Define the interface ===		===Step 1 Define the interface ===
			Create create an interface which contains the end points for a collection of APIs
	<syntaxhighlight lang="kotlin">		<syntaxhighlight lang="kotlin">
	public interface MessageService{		public interface MessageService{
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	}		}
	</syntaxhighlight>		</syntaxhighlight>

	===Step 2 Configuring and Building the Service===		===Step 2 Configuring and Building the Service===
	<syntaxhighlight lang="kotlin">		<syntaxhighlight lang="kotlin">

Iwiseman: /* Overriding Url */

2021-01-24T13:43:43Z

Overriding Url

← Older revision		Revision as of 13:43, 24 January 2021
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	</syntaxhighlight>		</syntaxhighlight>

	=Overriding Url=		==Overriding Url==
	Not sure why this is in retrofit but here it is. We can override the Url for a service with the Url		Not sure why this is in retrofit but here it is. We can override the Url for a service with the Url
	annotation		annotation

Iwiseman: /* Old Projects */

2021-01-24T13:43:10Z

Old Projects

← Older revision		Revision as of 13:43, 24 January 2021
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	}		}
	</syntaxhighlight>		</syntaxhighlight>

	~~=Old Projects=~~
	~~==Use Java 8==~~
	~~Sometimes when using older projects with gradle you might see~~
	~~<syntaxhighlight lang="bash">~~
	~~Couldn't determine java version from '11.0.1'~~
	~~</syntaxhighlight>~~
	~~This is because of an old version of gradle. The easiest way to solve it is to go to the command line and change your JAVA_HOME is 8 e.g.~~
	~~<syntaxhighlight lang="bash">~~
	~~export JAVA_HOME=/usr/lib/jvm/java-8-openjdk-amd64~~
	~~</syntaxhighlight>~~
	~~==Gradle 3.3 to 4.10==~~
	~~To achieve this I change the build.gradle to update the plugin and specify the maven and google repositories.~~
	~~<syntaxhighlight lang="groovy">~~
	~~buildscript {~~
	~~repositories {~~
	~~google()~~
	~~jcenter()~~
	~~maven { url "https://plugins.gradle.org/m2/" }~~
	}
	~~dependencies {~~
	~~classpath 'com.android.tools.build:gradle:3.0.1'~~

	~~// NOTE: Do not place your application dependencies here; they belong~~
	~~// in the individual module build.gradle files~~
	}
	}

	~~allprojects {~~
	~~repositories {~~
	~~google()~~
	~~jcenter()~~
	}
	}
	~~</syntaxhighlight>~~
	~~And ran gradlew '''not''' gradle and also updated the gradle.warapper.properties~~
	~~<syntaxhighlight lang="bash">~~
	~~distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip~~
	~~</syntaxhighlight>~~
	~~From there I could use the standard update to 4.10~~
	~~<syntaxhighlight lang="bash">~~
	~~./gradlew wrapper --gradle-version 4.10~~
	~~</syntaxhighlight>~~

	~~==Gradle 4.10 to 5.4.1==~~
	~~For this I needed to change the plugin in build.gradle to be~~
	~~<syntaxhighlight lang="groovy">~~
	~~classpath 'com.android.tools.build:gradle:3.5.1'~~
	~~</syntaxhighlight>~~
	~~And of course the gradle.warapper.properties~~
	~~<syntaxhighlight lang="bash">~~
	~~distributionUrl=https\://services.gradle.org/distributions/gradle-5.4.1-all.zip~~
	~~</syntaxhighlight>~~
	~~I also need to change the SDK build toools in the app to be 26~~
	~~<syntaxhighlight lang="groovy">~~
	~~android {~~
	~~compileSdkVersion 26~~
	~~buildToolsVersion "26.0.2"~~
	~~defaultConfig {~~
	~~applicationId "com.example.alexr.ideamanager"~~
	~~minSdkVersion 21~~
	~~targetSdkVersion 26~~
	~~versionCode 1~~
	~~versionName "1.0"~~
	~~testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"~~
	}
	~~</syntaxhighlight>~~
	~~Next I need to change the following from the 25 version~~
	~~<syntaxhighlight lang="groovy">~~
	~~compile 'com.android.support:appcompat-v7:25.3.1'~~
	~~compile 'com.android.support:support-v4:25.3.1'~~
	~~compile 'com.android.support:recyclerview-v7:25.3.1'~~
	~~compile 'com.android.support:design:25.3.1'~~
	~~</syntaxhighlight>~~
	~~To<br>~~
	~~<syntaxhighlight lang="groovy">~~
	~~compile 'com.android.support:appcompat-v7:26.0.1'~~
	~~compile 'com.android.support:support-v4:26.0.1'~~
	~~compile 'com.android.support:recyclerview-v7:26.0.1'~~
	~~compile 'com.android.support:design:26.0.1'~~
	~~</syntaxhighlight>~~
	~~==Gradle 5.4.1 to 6.x==~~
	~~To do this I started Android Studio where I was prompted to upgrade to 6.x~~

Iwiseman at 13:34, 24 January 2021

2021-01-24T13:34:54Z

← Older revision		Revision as of 13:34, 24 January 2021
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	</syntaxhighlight>		</syntaxhighlight>
	==Cancelling Requests==		==Cancelling Requests==
			To cancel a request we just call cancel on the request and the request will go to the onFailure branch.e.g
			<syntaxhighlight lang="kotlin">
			request.cancel()
			</syntaxhighlight>

	=Overriding Url=		=Overriding Url=