Differences

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--- android_study [2020/03/10 01:31] – jrseti
+++ android_study [2020/03/10 01:58] (current) – [Background Location] jrseti
@@ Line 17: / Line 17: @@
 ====Background Location====
-[[https://developer.android.com/about/versions/oreo/background-location-limits|Background Lovation Limits]]
+[[https://developer.android.com/about/versions/oreo/background-location-limits|Background Location Limits]]
 ====Saving Data====
@@ Line 457: / Line 457: @@
   * Use Hierarchy Viewer
+App Launch Time
+  * Don't display a splash screen
+  * Fix the main activity so the load time is quick
+Smaller APKs
+  * Smaller resources
+  * In build.gradle in
+  *
+<code>
+BuildTypes{
+  Release {
+    minifyEnabled: True
+    shrinkResources: True
+    proguardFiles getDefaultProguardFile('proguard-android.txt', 'proguard-tools.pro')
+  }
+}
+</code>
+  * Toss out images you don't need for all resolutions.
+  * Use "Vector Drawables"
+  * Rotate images instead of separate images.
+  * Smaller code
+  * minifiedEnabled: true
+  * Optimize code like enums (which get inflated to a class)
+  * JARs can be large. Proguard only helps a bit. Find smaller alternatives.
+  * You can split APKs into different versions
+  *
 ====Tools to use====
@@ Line 473: / Line 503: @@
   * Start Method Tracing Tool
   * Method Profile Tool
+  * APK Analyzer
+Vector Drawable
+  * One file generates all resolutions on demand
+  * Can be animated with an XML file
+  * Can take more time to load into GPU
+  * Pay attention to the complexity of the paths in your vector data
-NOTES:
+====NOTES:====
 New Java 5 syntax: