Android Studio does not install latest application on device

Question

I'm following some tutorials about building apps in Android Studio, but for some reason it's not launching/installing the latest version of my app when I click 'run'. I have to manually uninstall the app on the phone and then click run after making changes in Android Studio for the app to get updated. Any ideas?

Here is the console output:

Waiting for device.
Target device: htc-htc_one_m8
Uploading file
    local path: /home/brandon/AndroidStudioProjects/JustJava/app/build/outputs/apk/app-debug.apk
    remote path: /data/local/tmp/com.example.android.justjava
No apk changes detected. Skipping file upload, force stopping package instead.
DEVICE SHELL COMMAND: am force-stop com.example.android.justjava
Launching application: com.example.android.justjava/com.example.android.justjava.MainActivity.
DEVICE SHELL COMMAND: am start -D -n "com.example.android.justjava/com.example.android.justjava.MainActivity" -a android.intent.action.MAIN -c android.intent.category.LAUNCHER
Starting: Intent { act=android.intent.action.MAIN cat=[android.intent.category.LAUNCHER] cmp=com.example.android.justjava/.MainActivity }

Waiting for process: com.example.android.justjava
Connected to the target VM, address: 'localhost:8638', transport: 'socket'
Disconnected from the target VM, address: 'localhost:8638', transport: 'socket'

question from:https://stackoverflow.com/questions/32684530/android-studio-does-not-install-latest-application-on-device

Answer 1

No apk changes detected. Skipping file upload, force stopping package instead.

Android Studio thinks that there are no changes and doesn't install the new APK. A workaround is to disable the "Skip installation if APK has not changed" option in Run > Edit Configurations.

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I'm using Android Studio 1.4
Source: https://code.google.com/p/android/issues/detail?id=160901