I am working on a simple project which is responsible to launch and quit another installed application (let's call it "abc") on the tablet.
The other application ("abc") is already installed in tablet. I can launch it using Intent. But need to find a way to quit it as well.
Here is the template of my mainActivity.java file.
public class MainActivity extends AppCompatActivity {
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
final LinearLayout parent = findViewById(R.id.parent);
Button launchApp = (Button) findViewById(R.id.button);
Button quitApp = (Button) findViewById(R.id.button2);
launchApp.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View v) {
Intent launchIntent = getPackageManager().getLaunchIntentForPackage("com.abc");
if (launchIntent != null) {
startActivity(launchIntent);
} else {
Toast.makeText(MainActivity.this, "There is no package available in android", Toast.LENGTH_LONG).show();
}
}
});
quitApp.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View v) {
//Add code to close the installed app on tablet ("com.abc")
}
});
}
}
This is also my activitymanifest.xml file:
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
package="com.example.launcherQuitterApp">
<!--uses-permission android:name="android.permission.KILL_BACKGROUND_PROCESSES" /!-->
<!--uses-permission android:name="android.permission.com.abc"
tools:ignore="ProtectedPermissions" /!-->
<uses-permission android:name="android.permission..com.abc"></uses-permission>
<application
android:allowBackup="true"
android:icon="#mipmap/ic_launcher"
android:label="#string/app_name"
android:roundIcon="#mipmap/ic_launcher_round"
android:supportsRtl="true"
android:theme="#style/Theme.LauncherQuitterApp">
<activity android:name=".MainActivity">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
<queries>
<package android:name="com.abc"/>
</queries>
</manifest>
I have tried the suggestions in the following threads, but none of them worked for me:
How to get PID from package name?
Followed the suggestion of this thread, but when I tried to list all running applications, it only reported the running application (the one through which i want to close the other application)
Android Permission Denial: forceStopPackage()
Related
I am trying to create a pop-up window/overlay in Android Studio with 2 activities. When a certain button (the green plus button in the first picture below) is pressed, it will start a second activity at a smaller size with a different layout (.xml) file. When the second activity is declared in the AndroidManifest.xml, it uses a custom theme I have created to make the first activity appear under it, however, it is not working properly.
Here are pictures of both activites:
First Activity -
Second Activity -
Here is the code:
MainActivity -
public class MainActivity extends AppCompatActivity {
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main_activity);
Util.initScreenRes(this); // initializes screen resolution for later pop-up window sizing
}
public void ibAddOnClick(View view){
startActivity(new Intent(MainActivity.this, AddPopUpActivity.class));
}
}
AddPopUpActivity -
public class AddPopUpActivity extends Activity {
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.add_popup_activity);
getWindow().setLayout((int) (Util.screenRes.x * 0.8), (int) (Util.screenRes.y * 0.5));
}
}
Util -
public class Util {
public static Point screenRes;
public static void initScreenRes(Activity a){
final DisplayMetrics dm = new DisplayMetrics();
a.getWindowManager().getDefaultDisplay().getMetrics(dm);
screenRes = new Point(dm.widthPixels, dm.heightPixels);
}
}
Lastly, here is the AndroidManifest.xml:
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="App.ProgressTracker">
<application
android:allowBackup="true"
android:icon="#mipmap/ic_launcher"
android:label="#string/app_name"
android:roundIcon="#mipmap/ic_launcher_round"
android:supportsRtl="true"
android:theme="#style/Theme.ProgressTracker">
<activity
android:name="App.FrontEnd.MainActivity"
android:label="#string/app_name"
android:theme="#style/Theme.ProgressTracker.NoActionBar">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<activity
android:name="App.FrontEnd.AddPopUpActivity"
android:label="ProgressTracker"
android:theme="#style/Theme.ProgressTracker.PopUp">
</activity>
</application>
</manifest>
For reference, I have used this tutorial on YouTube for the way I went about this:
https://www.youtube.com/watch?v=fn5OlqQuOCk&ab_channel=FilipVujovic
I'd appreciate any help on this. Thank you in advance!
In the AndroidManifest.xml set the theme of the pop up activity to
android:theme="#android:style/Theme.Dialog"
I have imported a package which was downloaded from the link "https://github.com/moritz-wundke/android-page-curl", then I created a new project and imported the downloaded package by clicking on "import module". I have added a button inside my new package to open the downloaded package. But its not working. Can someone help. Here is the code
public class MainActivity extends AppCompatActivity {
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Button button = (Button)findViewById(R.id.button);
button.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View v) {
Intent i;
PackageManager manager = getPackageManager();
try {
i = manager.getLaunchIntentForPackage
("fi.harism.curl");
if (i == null)
throw new PackageManager.NameNotFoundException();
i.addCategory(Intent.CATEGORY_LAUNCHER);
startActivity(i);
} catch (PackageManager.NameNotFoundException e) {
e.printStackTrace();
}
}
});
}
Manifest:
<application
android:allowBackup="true"
android:icon="#mipmap/ic_launcher"
android:label="#string/app_name"
android:roundIcon="#mipmap/ic_launcher_round"
android:supportsRtl="true"
android:theme="#style/AppTheme"
tools:replace="android:icon">
<activity android:name=".MainActivity">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
Layout:
<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="#+id/button"
android:text="press"/>
sometimes the application does run but its very slow and messes up. I attached the main activity and the manifest, I think it is one of those that is making the application mess up. Sometimes it gives me this error : Session 'MainActivity': error.
Any help would be greatly appreciated.
Thank you.
Main Activity
import Graphics.MyGLSurfaceView;
import gameInfo.GameDatabase;
public class MainActivity extends ActionBarActivity {
//Runs before the application is created
private Button mCampaignButton;
private Context context = this;
private GLSurfaceView mGLView;
//When the application is created
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
//New thread to perform database creation / filling
Runnable runnable = new Runnable(){
public void run(){
//Instantiate a GameDatabase object (this activity)
final GameDatabase gDB = new GameDatabase(context);
gDB.fillGameDatabase();
}
};
Thread myThread = new Thread(runnable);
myThread.start();
mGLView = new MyGLSurfaceView(this);
setContentView(mGLView);
//Keeps screen on so it doesn't fall asleep
getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
//Finding button by button id after application is created
mCampaignButton = (Button)findViewById(R.id.campaignButtonID);
//Checks if the campaign button is clicked
mCampaignButton.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View v) {
//Intent to go from main activity to campaign Level Select Activity
final Intent intent = new Intent(MainActivity.this, CampaignSelectLevel.class);
startActivity(intent);
}
});
}
}
Android Manifest
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="tekvision.codedecrypter">
<!-- Tell the system this app requires OpenGL ES 2.0. -->
<uses-feature
android:glEsVersion="0x00020000"
android:required="true" />
<supports-gl-texture android:name="GL_OES_compressed_ETC1_RGB8_texture" />
<application
android:allowBackup="true"
android:icon="#mipmap/ic_launcher"
android:label="#string/app_name"
android:theme="#style/AppTheme" >
<activity
android:name=".MainActivity"
android:label="#string/app_name" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<activity
android:name=".CampaignSelectLevel"
android:label="#string/title_activity_campaign_select_level" >
</activity>
<!-- Anagrams.Modern Era is to get java class from different package-->
<activity android:name="anagrams.Modern_Era"
android:label="Modern_Era">
</activity>
</application>
Make sure that you are declaring all the permissions in manifest file required by your application i.e.
<uses-permission android:name="ANDROID.PERMISSION.WRITE_EXTERNAL_STORAGE"/>
for more details check this: uses-permission
Unfortunately, app has stopped. The purpose of the app is to display a web page when it is launched. I have researched this problem, and tried changing code in the manifest file. I have been unsuccessful at eliminating this message.
MainActivity.java
package com.example.testb1;
import android.os.Bundle;
import android.app.Activity;
import android.view.Menu;
import android.content.Intent;
import android.net.Uri;
public class MainActivity extends Activity {
#Override
public void onCreate(Bundle savedInstanceState)
{
Intent getmobilepages = new Intent(Intent.ACTION_VIEW);
Uri uri = Uri.parse("http://www.mcohio.org/government/auditor/mobile_app/home.cfm");
getmobilepages.setData(uri);
startActivity(getmobilepages);
}
}
testb1 Manifest
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.example.testb1"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk
android:minSdkVersion="8"
android:targetSdkVersion="17" />
<application
android:allowBackup="true"
android:icon="#drawable/ic_launcher"
android:label="#string/app_name"
android:theme="#style/AppTheme" >
<activity
android:name="com.example.testb1.MainActivity"
android:label="#string/app_name" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
<action android:name="android.intent.action.getmobilepages" />
</intent-filter>
</activity>
</application>
</manifest>
Edit: I tried running your code and was completely wrong. You are just missing the line:
super.onCreate(savedInstanceState);
At the start of your oncreate method. Add that in and it should compile just fine.
Make sure to post your logcat in the future, the error is identified clearly there.
You have not called super you will get SuperNotCalled Exception. You need to set you layout. Better to start another activity on button click.
Add internet permission in manifest
<uses-permission android:name="android.permission.INTERNET"/>
MainActivty
public class MainActivity extends Activity {
Button b;
#Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
// call super
setContentView(R.layout.activity_main);
// set your layout
b = (Button) findViewById(R.id.button1);
//get button id
b.setOnClickListener(new OnClickListener()
{
public void onClick(View v)
{
// do something
Intent getmobilepages = new Intent(Intent.ACTION_VIEW);
Uri uri = Uri.parse("http://www.mcohio.org/government/auditor/mobile_app/home.cfm");
getmobilepages.setData(uri);
startActivity(getmobilepages);
}
});
}
}
I have the following code, but when I run it, it tells me that "http://www.google.com" is unavailable, which is total rubbish. If I run the code without the whole HelloWebViewClient class, it opens google properly, except in the pre-installed Android browser. I want to open it in-app. Thanks.
My Code:
public class MainActivity extends Activity {
Button btnGo;
Editable guiNumber;
WebView webView;
#Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
btnGo = (Button) findViewById(R.id.btnGo);
webView = (WebView) findViewById(R.id.viewWeb);
webView.setVisibility(View.GONE);
webView.setWebViewClient(new HelloWebViewClient());
webView.getSettings().setJavaScriptEnabled(true);
btnGo.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
guiNumber = enterGUI.getText();
if (guiNumber.length() == 8) {
guiNumber.replace(4, 8, "");
gui = Integer.parseInt(enterGUI.getText().toString());
System.out.println(gui);
InputMethodManager imm = (InputMethodManager) getSystemService(Activity.INPUT_METHOD_SERVICE);
imm.toggleSoftInput(InputMethodManager.HIDE_IMPLICIT_ONLY, 0);
webView.setVisibility(View.VISIBLE);
webView.requestFocus();
webView.loadUrl("http://google.com");
}
else {
enterGUI.setError("Your GUI/ILGU number must be 8 digits long");
}
}
});
}
private class HelloWebViewClient extends WebViewClient {
public boolean shouldOverrideUrlLoading(WebView view, String url) {
view.loadUrl(url);
return true;
}
}
}
And the manifest:
<manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com.frostplant.clublink" android:versionCode="1" android:versionName="1.0">
<uses-sdk android:minSdkVersion="6" android:targetSdkVersion="15"/>
<uses-permisssion android:name="android.permission.INTERNET"/>
<application android:icon="#drawable/ic_launcher" android:label="#string/app_name" android:theme="#style/AppTheme">
<activity android:name=".MainActivity" android:label="#string/title_activity_main">
<intent-filter>
<action android:name="android.intent.action.MAIN"/>
<category android:name="android.intent.category.LAUNCHER"/>
</intent-filter>
</activity>
</application>
</manifest>
Give your application the permission for accessing internet: android.permission.INTERNET This will allow your application to use network.
You have mistakenly typed 3 "s"s in your permission line:
<uses-permisssion android:name="android.permission.INTERNET"/>
This should be:
<uses-permission android:name="android.permission.INTERNET"/>