If that line is throwing a NullPointerException, it must be that textView is null. This is probably because your findViewById call gave an id which was not found in the view. You haven’t given us enough information to be sure, but I suspect you’re trying to grab a textView in the helpDialog you just showed. … Read more
I would suggest you to name all similar files with the same name. Take full advantage of the qualifiers provided by Android like the size, or the set width qualifier. You may have a single pane layout for small screen phones and multi pane layout for tablets. It’s a good advice to provide multi pane … Read more
What else is in the GUI please show the complete GUI pic or the code you have tried You can use a textView add an ImageButton or Button both will do for setting the Background to the GUI use android:background=”@drawable/ur_background_name” in the Layout if you dont know about the layouts… then read This but here … Read more
do you mean two lines, each with a different style ? if so, use “fromHtml” , and add line-breaks. solved how do I create button like this in android with multiple text [closed]
public void onClick(View v) { AlertDialog.Builder a_builder = new AlertDialog.Builder(MainActivity.this); a_builder.setCancelable(false); a_builder.setTitle(“Alert !”); a_builder.setMessage(“do you want to call!!!”); a_builder.setPositiveButton(“Yes”, new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { //handle the permission at start. if (ActivityCompat.checkSelfPermission(MainActivity.this, Manifest.permission.CALL_PHONE) != PackageManager.PERMISSION_GRANTED) { //permission not granted, ask for permission return; } Intent callIntent = new Intent(Intent.ACTION_CALL); callIntent.setData(Uri.parse(“tel:0000000000”)); … Read more
Try this, if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) { mScrollView.setOnScrollChangeListener(new View.OnScrollChangeListener() { @Override public void onScrollChange(View v, int scrollX, int scrollY, int oldScrollX, int oldScrollY) { if (scrollY > 0 && fab2.isShown()) { fab2.setVisibility(View.GONE); } else if (scrollY < 0) { fab2.setVisibility(View.VISIBLE); } } }); } else { mScrollView.getViewTreeObserver().addOnScrollChangedListener(new ViewTreeObserver.OnScrollChangedListener() { @Override public void onScrollChanged() { int … Read more
Since you have a custom view override onDraw() and call canvas.rotate(..) inside that function. 3 solved How to rotate android customview? [closed]
First add dependencies in your gradle file for circular image view compile ‘de.hdodenhof:circleimageview:2.1.0’ now you can use below code as per your requirement <?xml version=”1.0″ encoding=”utf-8″?> <LinearLayout xmlns:android=”http://schemas.android.com/apk/res/android” xmlns:app=”http://schemas.android.com/apk/res-auto” android:layout_width=”match_parent” android:layout_height=”match_parent” android:orientation=”vertical”> <LinearLayout android:layout_width=”match_parent” android:layout_height=”wrap_content” android:orientation=”horizontal” android:weightSum=”3″> <LinearLayout android:layout_width=”0dp” android:layout_height=”match_parent” android:layout_weight=”1″ android:gravity=”center”> <de.hdodenhof.circleimageview.CircleImageView android:id=”@+id/meal_image_order” android:layout_width=”96dp” android:layout_height=”96dp” android:src=”https://stackoverflow.com/questions/44897138/@color/colorAccent” app:civ_border_color=”@color/colorPrimaryDark” app:civ_border_width=”2dp” /> </LinearLayout> <LinearLayout android:layout_width=”0dp” android:layout_height=”match_parent” android:layout_weight=”2″ … Read more
Activities consist of different layouts.Only one layout can run in one activity.But Fragments can be used in this respect.You need to add frame layout at the places where you need different layout.Fragments have similar life cycle as compare to that of the activities.You will need to create fragments and add it in the activity through … Read more
You simply have to provide UI which fits the suggestions and rules from https://material.io/guidelines/ That resource does describe, for example, minimum sizes for UI elements, padding, margin, etc. For the newest SDK versions of android most of these rules are already applied into default ui elements in Android Studio. 0 solved What is the difference … Read more
View Page flipper , with fragments and swipe event is working pretty good. Please find the open source at – http://manishkpr.webheavens.com/android-viewpager-example/ solved Android Fragmens with swipe examples [closed]
I think you are missing the basic point here 🙁 When you want to update an already-existing layout, you shouldn’t inflate a new one. Instead, you fetch the views you want to update and put the data in them. Like this: TextView t = myLayout.findViewById(R.id.someTextViewId); t.setText(newlyObtainedData); As for the Context, every activity inherits after it, … Read more
just try this one, first create one XML file, inside drawable folder (use new drawable xml) and add this lines <?xml version=”1.0″ encoding=”utf-8″?> <shape xmlns:android=”http://schemas.android.com/apk/res/android” android:shape=”rectangle”/> <solid android:color=”#000000″/> <stroke android:color=”#ffffff” android:width=”05dp”/> <corners android:radius=”20dp”/> then add this line inside Your edittext property android:background=”@drawable/(file_name)” i don’t know what your expecting, maybe it will help you solved How … Read more
It’s typically an inflation error. You would need to compare the View IDs that you are attempting to populate, make sure they are not null and that you are setup with your Recycler View Holder Adapter properly. Post your adapter, your xml for the row that you are filling, your viewholder pattern and your adapter … Read more
Here inside Toolbar inserted a textview with gravity = “center” and disable default title by java. Try with below code : <android.support.design.widget.AppBarLayout app:elevation=”0dp” android:layout_width=”match_parent” android:layout_height=”wrap_content” android:theme=”@style/AppTheme.AppBarOverlay”> <android.support.v7.widget.Toolbar android:id=”@+id/toolbar” android:layout_width=”match_parent” android:layout_height=”?attr/actionBarSize” android:background=”?attr/colorPrimary” app:popupTheme=”@style/AppTheme.PopupOverlay” > <TextView> android:layout_width=”wrap_content” android:textSize=”18dp” android:layout_height=”wrap_content” android:gravity=”center_horizontal” android:text=”Title Here” android:textColor=”@color/white” /> </android.support.v7.widget.Toolbar> </android.support.design.widget.AppBarLayout> java code disable your title : Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar); … Read more