4.0 Emulator Hot!: Android
Android 4.0, also known as Ice Cream Sandwich (ICS), was a pivotal release that unified the phone and tablet experiences. To emulate this version today, you generally use the Android Studio Emulator, which provides a virtual environment to test legacy applications or explore historical UI. Key Features of Android 4.0 Emulation
Section C — Commands, logs, and debugging (25 points)
8. (10 pts) Provide the adb and emulator commands (with exact syntax) you would use to:
a) Start an AVD named "Android_4_0_AVD" from the command line.
b) Push a debug APK (file: app-debug.apk) into the emulator and install it.
c) Capture logcat output filtered for your app’s package "com.example.app" and save to a file named "app_log.txt".
d) Forward a host port 8000 to the emulator’s port 8000.
For each command, briefly state the expected output or effect.
9. (15 pts) You see the emulator’s system log showing frequent "GC_FOR_ALLOC" messages and OutOfMemoryError for a native allocation. Explain what these messages mean, how they relate to emulator configuration and app behavior, and list four concrete fixes (two app-level, two emulator/AVD-level) you would apply. Android 4.0 Emulator
Step 3: Select Android 4.0 (API 14 or 15)
Under "Android 4.0 (Ice Cream Sandwich)," expand the tree. You will see: Android 4
Android SDK Tools Integration: The emulator seamlessly integrates with other tools in the Android SDK, such as the Android Debug Bridge (ADB), allowing for easy installation, testing, and debugging of applications. (10 pts) Provide the adb and emulator commands
Android 4.0, also known as Ice Cream Sandwich (ICS), was a pivotal release that unified the phone and tablet experiences. To emulate this version today, you generally use the Android Studio Emulator, which provides a virtual environment to test legacy applications or explore historical UI. Key Features of Android 4.0 Emulation
Section C — Commands, logs, and debugging (25 points)
8. (10 pts) Provide the adb and emulator commands (with exact syntax) you would use to:
a) Start an AVD named "Android_4_0_AVD" from the command line.
b) Push a debug APK (file: app-debug.apk) into the emulator and install it.
c) Capture logcat output filtered for your app’s package "com.example.app" and save to a file named "app_log.txt".
d) Forward a host port 8000 to the emulator’s port 8000.
For each command, briefly state the expected output or effect.
9. (15 pts) You see the emulator’s system log showing frequent "GC_FOR_ALLOC" messages and OutOfMemoryError for a native allocation. Explain what these messages mean, how they relate to emulator configuration and app behavior, and list four concrete fixes (two app-level, two emulator/AVD-level) you would apply.
Step 3: Select Android 4.0 (API 14 or 15)
Under "Android 4.0 (Ice Cream Sandwich)," expand the tree. You will see:
Android SDK Tools Integration: The emulator seamlessly integrates with other tools in the Android SDK, such as the Android Debug Bridge (ADB), allowing for easy installation, testing, and debugging of applications.