It is not possible to publish unsigned APK on Google Play. Ask from your developer for 1) source code, 2) KeyStor file[.jks file] 3) Keystore password, 4) keyAliase password 5) Generate new signed APK using keyStore file provided by your developer 6) after generating new signed APK, you can update your existing google play application … Read more
Since you are using Arrays.asList to create your list, this list is unmodifiable, you cannot add or delete any element. Arrays.asList: Returns a fixed-size list backed by the specified array. So when you get to the line facts.remove(randomNumber); you get an Exception like the following (just guessing because you have not shared any stacktrace or … Read more
JSONArray json = new JSONArray(result); First calculate the length of the array! int len=json.length(); String[] str=new String[len]; for(int i=0;i<len;i++) { str[i]=json.get(i).toString(); } First add a spinner to your activity Spinner s=(Spinner)findViewById(R.id.Spinner); ArrayAdapter adapter=new ArrayAdapter(this,android.R.layout.simple_spinner_item,str); s.setAdapter(adapter); solved Receive json in android
Introduction Android is a powerful platform for developing mobile applications. It provides a wide range of features and capabilities that can be used to create powerful and engaging applications. One of the most important features of Android is its ability to receive and parse JSON data. JSON (JavaScript Object Notation) is a lightweight data-interchange format … Read more
send data from inputAddrss, Intent intent = new Intent(getBaseContext(), SignoutActivity.class); intent.putExtra(“url”, YOUR_EDIT_TEXT.getText().toString()); startActivity(intent); receive data in MainActivity, String s = getIntent().getStringExtra(“url”); then load into webview view.loadUrl(s); solved webview load url from input text in another class [duplicate]
A value of type ‘Null’ can’t be assigned to a parameter of type ‘Key’ in a const constructor. Try using a subtype, or removing the keyword ‘const’ solved A value of type ‘Null’ can’t be assigned to a parameter of type ‘Key’ in a const constructor. Try using a subtype, or removing the keyword ‘const’
It is because, in appcompat-v7 project, the AndroidManifest.xml declare uses-sdk minSdkVersion to 19 while your project set to 15 which is inappropriate. You can try set your project value greater-or-equals than value declared in appcompat-v7. For example, 19 in both projects. 3 solved Problems with Android Studio
If You are specifically looking for starting your service when music player starts, take a look at AndroidManager API. You can register for callbacks using registerAudioPlaybackCallback Also there is method from same AudioManager which tells you if Music isActive isActive – Stackoverflow isMusicActive solved How to start a service when another app gets active?
The question you have asked involves a larger implementation with code. Use ExoPlayer to play videos in android. You can learn it from this CodeLab and also check this for more information. From your question i understand there is a cardView and when you press it, a video show play in another activity. So for … Read more
Use a linear layout with horizontal orientation inside a constraint layout. Constraint the linear layout to the bottom, the end, and the start of the constraint layout. Here’s a simple example. <android.support.constraint.ConstraintLayout xmlns:android=”http://schemas.android.com/apk/res/android” xmlns:app=”http://schemas.android.com/apk/res-auto” xmlns:tools=”http://schemas.android.com/tools” android:layout_width=”match_parent” android:layout_height=”match_parent” tools:context=”.MainActivity”> <LinearLayout android:id=”@+id/floating_action_bar” android:layout_width=”wrap_content” android:layout_height=”wrap_content” android:layout_marginStart=”8dp” android:layout_marginLeft=”8dp” android:layout_marginEnd=”8dp” android:layout_marginRight=”8dp” android:layout_marginBottom=”8dp” app:layout_constraintBottom_toBottomOf=”parent” app:layout_constraintEnd_toEndOf=”parent” app:layout_constraintStart_toStartOf=”parent” android:orientation=”horizontal”> <android.support.design.widget.FloatingActionButton android:id=”@+id/a” android:layout_width=”wrap_content” android:layout_height=”wrap_content” … Read more
Try this: Border Line inside cardview: <android.support.v7.widget.CardView android:id=”@+id/cardview0″ android:layout_width=”match_parent” android:layout_height=”50dp” android:layout_alignParentTop=”true”> <RelativeLayout android:layout_width=”match_parent” android:layout_height=”match_parent” android:layout_marginLeft=”10dp” android:background=”#000000″> <RelativeLayout android:layout_width=”match_parent” android:layout_height=”match_parent” android:layout_marginBottom=”0.5dp” android:layout_marginLeft=”0.5dp” android:layout_marginTop=”0.5dp” android:background=”#ffffff”> <TextView android:layout_width=”wrap_content” android:layout_height=”wrap_content” android:layout_centerVertical=”true” android:layout_gravity=”center_vertical” android:layout_marginLeft=”30dp” android:text=”Circle” android:textColor=”#3B64AE” /> <Spinner android:layout_width=”150dp” android:layout_height=”match_parent” android:layout_alignParentRight=”true”> </Spinner> </RelativeLayout> </RelativeLayout> </android.support.v7.widget.CardView> Border line outside cardview: <RelativeLayout android:layout_width=”match_parent” android:layout_height=”50dp” android:layout_marginLeft=”5dp” android:background=”@drawable/border_line”> <android.support.v7.widget.CardView android:id=”@+id/cardview0″ android:layout_width=”match_parent” android:layout_height=”50dp” android:layout_margin=”1dp” android:layout_alignParentTop=”true”> … Read more
Add implementation ‘com.google.android.material:material:1.1.0’ to your dependencies solved How can I add cardview to my android studio project?
Use ConnectivityManager class.. OR Follow this link You will get What you want. Connectivity Manager 2 solved I want to print the status of connection. like my phone is connected in wifi or gprs. in android studio [closed]
Write Activity A like this public class MainActivity extends Activity { TextView textView1; Button button1; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); textView1=(TextView)findViewById(R.id.textView1); button1=(Button)findViewById(R.id.button1); button1.setOnClickListener(new OnClickListener() { @Override public void onClick(View arg0) { Intent intent=new Intent(MainActivity.this,SecondActivity.class); startActivityForResult(intent, 2);// Activity is started with requestCode 2 } }); } // Call Back method to get the … Read more
You can use “Apk analyser” feature of Android studio. Best and easy way to start using Apk analyser is, just drag and drop your apk over android studio home screen and it will show you size being occupied by each of the things going in apk. Another way of opening apk analyser is by Build … Read more