# Create public and private key with keyStore. # Get KeyPairGenerator instance by providing algo and provider (algo: RSA, provider: AndroidKeyStore ) # Create AlgorithmParameterSpec and initialize to KeyPairGenerator instance. # Generate Key Pairs , kpGenerator .generateKeyPair(); # Signs the data using the key pair stored in the Android Key Store. # Get KeyStore instance with provider ( AndroidKeyStore ) # Load the key pair from the Android Key Store using alias # Get Signature and init with private key. # Sign the data, store the result as a Base64 encoded String.
Working with Hierarchy Viewer #Hierarchy Viewer allows you to debug and optimize your user interface. #It provides a visual representation of the layout's View hierarchy (the Layout View) and a magnified inspector of the display. # Connect your mobile device to your computer. # Open your application in Android Studio, build the source, and run it on your device. (debug application only) # From Android Studio, start the Android Device Monitor: Tools > Android > Android Device Monitor. # Allow USB Debugging on your phone (if asked). # Make sure your device and the package for your application are showing in the Devices (DDMS mode) or Windows (Hierarchy Viewer mode) tab. You can choose Window > Reset Perspective to get back to the default arrangement. # In Android Device Monitor (ADM), in the menu bar, choose Window > Open Perspective, and in the popup click Hierarchy View. The left dot represents the Draw Process of the rendering pipeline. - Measure Th...
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