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timer , but not working with webview

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This commit is contained in:
Alexander Mahr 2024-10-09 15:50:27 +02:00
parent bf535476ec
commit 8785107ea5
5 changed files with 99 additions and 7 deletions
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21
apk/AndroidManifest.xml
View file

@ -5,9 +5,24 @@
android:versionName="1.0">
<uses-sdk android:minSdkVersion="30"
android:targetSdkVersion="33"/>
<uses-permission android:name="android.permission.INTERNET">
</uses-permission>
<!-- android:maxSdkVersion="integer" /> -->
<uses-permission android:name="android.permission.INTERNET"/>
<uses-permission android:name="android.permission.INTERNET"/>
<uses-permission android:name="android.permission.MANAGE_DOCUMENTS"/>
<uses-permission android:name="android.permission.MANAGE_MEDIA"/>
<uses-permission android:name="android.permission.POST_NOTIFICATIONS"/>
<uses-permission android:name="android.permission.READ_MEDIA_AUDIO"/>
<uses-permission android:name="android.permission.READ_MEDIA_IMAGES"/>
<uses-permission android:name="android.permission.READ_MEDIA_VIDEO"/>
<uses-permission android:name="android.permission.READ_MEDIA_VISUAL_USER_SELECTED"/>
<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" android:maxSdkVersion="32" />
<uses-permission android:name="android.permission.READ_SYNC_SETTINGS"/>
<uses-permission android:name="android.permission.VIBRATE"/>
<uses-permission android:name="android.permission.WAKE_LOCK"/>
<uses-permission android:name="android.permission.WRITE_CALENDAR"/>
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
<uses-permission android:name="android.permission.WRITE_MEDIA_STORAGE"/>
<uses-permission android:name="android.permission.WRITE_SETTINGS"/>
<uses-permission android:name="android.permission.WRITE_SYNC_SETTINGS"/>
<application android:label="@string/app_name" android:icon="@drawable/ic_launcher">
<activity android:name="app.example.ExampleApp"
android:exported="true"

8
apk/Makefile
View file

@ -29,14 +29,16 @@ build : ./bin/example.app.apk
$(ANDROID_HOME)/build-tools/$(ANDROID_VERSION)/aapt package -v -u -f -M ./AndroidManifest.xml -S ./res \
-I $(ANDROID_HOME)/platforms/$(PLATFORM)/android.jar -F $@ ./bin
./bin/classes.dex : ./obj/app/example/ExampleApp.class
$(ANDROID_HOME)/build-tools/$(ANDROID_VERSION)/d8 $(shell find obj -name '*.class') --lib $(ANDROID_HOME)/platforms/$(PLATFORM)/android.jar --output bin
#./bin/classes.dex : ./obj/app/example/ExampleApp.class ./obj/app/example/ExampleApp$$1.class ./obj/app/example/MyJavascriptInterface.class
#./bin/classes.dex : ./obj/app/example/ExampleApp.class ./obj/app/example/MyJavascriptInterface.class ./obj/app/example/MyRunnable.class
./bin/classes.dex : ./obj/app/example/ExampleApp.class ./obj/app/example/MyJavascriptInterface.class ./obj/app/example/MyRunnable.class
$(ANDROID_HOME)/build-tools/$(ANDROID_VERSION)/d8 $^ --lib $(ANDROID_HOME)/platforms/$(PLATFORM)/android.jar --output bin
./src/app/example/R.java : $(shell find ./res -type f)
$(ANDROID_HOME)/build-tools/$(ANDROID_VERSION)/aapt package -v -f -m -S ./res -J ./src -M ./AndroidManifest.xml \
-I $(ANDROID_HOME)/platforms/$(PLATFORM)/android.jar
./obj/app/example/ExampleApp.class : ./src/app/example/ExampleApp.java ./src/app/example/R.java
./obj/app/example/ExampleApp.class : ./src/app/example/ExampleApp.java ./src/app/example/R.java ./src/app/example/MyJavascriptInterface.java
javac -d ./obj -classpath $(ANDROID_HOME)/platforms/$(PLATFORM)/android.jar -sourcepath ./src $<
./ToyKey.keystore :

13
apk/src/app/example/ExampleApp.java
View file

@ -12,11 +12,13 @@ import android.webkit.WebView;
import android.webkit.*;
import android.view.ViewGroup.*;
import android.util.Base64;
//import java.util.Timer;
public class ExampleApp extends Activity {
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
MyJavascriptInterface myJavaScriptInterface = new MyJavascriptInterface(this);
// this removes the title bar (a ~1cm big strip at the top of the app showing its name
this.requestWindowFeature(Window.FEATURE_NO_TITLE);
// we create the webview (at least on the android 14 that is a webview that features avif + websockets etc....)
@ -29,12 +31,21 @@ public class ExampleApp extends Activity {
myWebSettings.setBuiltInZoomControls(true);
myWebSettings.setDisplayZoomControls(false);
myWebSettings.setJavaScriptEnabled(true);
myWebView.addJavascriptInterface(myJavaScriptInterface, "myJavaScriptInterface");
// providing a webpage inline
String unencodedHtml = "<!DOCTYPE html><html><script> window.addEventListener('load',()=>{d=document.createElement('div');d.innerHTML='JAVASCRIPT works';document.body.appendChild(d);},false);</script><a href='https://html5test.co/'>https://html5test.co/</a><h1> this is html <h1> <h2> this is a h2</h2><img src='https://wald.alexmahr.de/images/rabe.avif'></html>";
String unencodedHtml = "<!DOCTYPE html><html><script> window.addEventListener('load',()=>{d=document.createElement('div');d.innerHTML=myJavaScriptInterface.toString()+'JAVASCRIPT works';document.body.appendChild(d);},false);</script><a href='https://html5test.co/'>https://html5test.co/</a><h1> this is html <h1> <h2> this is a h2</h2><img src='https://wald.alexmahr.de/images/rabe.avif'></html>";
String encodedHtml = Base64.encodeToString(unencodedHtml.getBytes(),Base64.NO_PADDING);
myWebView.loadData(encodedHtml, "text/html", "base64");
// alternatively this could be to load a website
//myWebView.loadUrl("https://alexmahr.de/ru");
setContentView(myWebView);
new java.util.Timer().schedule( new MyRunnable(myWebView),2000);
// java.util.TimerTask() {
// @Override
// public void run() {
// myWebView.evaluateJavascript("document.body.innerHTML='all is lost';",null);
// // this code will be executed after 2 seconds
// }
// , 2000);
}
}

34
apk/src/app/example/MyJavascriptInterface.java Normal file
View file

@ -0,0 +1,34 @@
package app.example;
import android.util.Log;
import android.widget.TextView;
import android.app.Activity;
import android.os.Bundle;
import android.text.method.ScrollingMovementMethod;
import android.view.MenuItem;
import android.view.*;
import android.widget.*;
import android.webkit.WebView;
import android.webkit.*;
import android.view.ViewGroup.*;
import android.util.Base64;
import android.os.Environment;
import java.io.*;
//File all;
public class MyJavascriptInterface {
private Activity activity;
public MyJavascriptInterface(Activity activity) {
this.activity = activity;
}
// @JavascriptInterface
// public void startVideo(String videoAddress){
// Intent intent = new Intent(Intent.ACTION_VIEW);
// intent.setDataAndType(Uri.parse(videoAddress), "video/3gpp");
// activity.startActivity(intent);
// }
@JavascriptInterface
public String toString() { return "injectedObject"; }
}

30
apk/src/app/example/MyRunnable.java Normal file
View file

@ -0,0 +1,30 @@
package app.example;
import android.util.Log;
import android.widget.TextView;
import android.app.Activity;
import android.os.Bundle;
import android.text.method.ScrollingMovementMethod;
import android.view.MenuItem;
import android.view.*;
import android.widget.*;
import android.webkit.WebView;
import android.webkit.*;
import android.view.ViewGroup.*;
import android.util.Base64;
import java.util.Timer;
import java.util.TimerTask;
public class MyRunnable extends TimerTask
{
WebView InnerWebView;
public MyRunnable(WebView MyWebView){
InnerWebView=MyWebView;
}
public void run()
{
InnerWebView.evaluateJavascript("document.body.innerHTML='all is lost';",null);
System.out.println( "Now is " );
}
}