`public class App extends Application {
private static final String TAG = "test";
private static final String APATCH_PATH = "/out.apatch";
/**
* patch manager
*/
private PatchManager mPatchManager;
@Override
public void onCreate() {
super.onCreate();
// initialize
mPatchManager = new PatchManager(this);
mPatchManager.init("1.0");
Log.d(TAG, "inited.");
// load patch
mPatchManager.loadPatch();
Log.d(TAG, "apatch loaded.");
// add patch at runtime
try {
// .apatch file path
String patchFileString = Environment.getExternalStorageDirectory()
.getAbsolutePath()+"/Download" + APATCH_PATH;
mPatchManager.addPatch(patchFileString);
Log.d(TAG, "apatch:" + patchFileString + " added.");
} catch (Exception e) {
Log.e(TAG, "", e);
Toast.makeText(getApplicationContext(),"catch : "+e.getMessage(),Toast.LENGTH_LONG).show();
}
}
}
`
`class MainActivity : AppCompatActivity() {
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
setContentView(R.layout.activity_main)
main_txt.text = sayGoodBye()
Toast.makeText(this,sayGoodBye(),Toast.LENGTH_SHORT).show()
}
fun sayGoodBye():String{
return "hello"
}
}
`
after replacing sayGoodbye function return string with goodbye string and generate apatch file with below command :
bash apkpatch.sh -f app2.apk -t app1.apk -o . -k test.jks -p 123 -a test -e 123
and copy apatch to sdcard/download dirctory the output is :
`public class App extends Application {
}
`
`class MainActivity : AppCompatActivity() {
}
`
after replacing sayGoodbye function return string with goodbye string and generate apatch file with below command :
bash apkpatch.sh -f app2.apk -t app1.apk -o . -k test.jks -p 123 -a test -e 123and copy apatch to sdcard/download dirctory the output is :