android.app.Application#getDir ( )源码实例Demo

/**
 * Enable hotswapping on an application instance. This call is not necessary if using {@link
 * ExopackageApplication}. If enabling manually, make sure the app is set up to support the
 * "modules" exopackage mode, and the initial call to {@link
 * ExopackageDexLoader#loadExopackageJars(Context, boolean)} passed true as the second arg
 */
public static synchronized void setupHotswap(Application application) {
  if (!sIsHotswapSetup) {
    final File dexOptDir = application.getDir("exopackage_modular_dex_opt", Context.MODE_PRIVATE);
    DelegatingClassLoader.getInstance().setDexOptDir(dexOptDir);
    application.registerReceiver(
        new ModularDexChangedReceiver(),
        ModularDexChangedReceiver.getIntentFilter(application.getPackageName()));

    sIsHotswapSetup = true;
  }
}
 

private File getKeyStoreFile() {
    Application app = getApplication(mContext);
    File dir = app.getDir(KEYSTORE_DIR, Context.MODE_PRIVATE);
    return new File(dir, KEYSTORE_FILE);
}