android

[Solved] Number picker in custom listview changing number by itself

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Custom_row.java : holder.numberPicker.setOnValueChangedListener(new NumberPicker.OnValueChangeListener() { @Override public void onValueChange(NumberPicker picker, int oldVal, int newVal) { View parentRow = (View)picker.getParent(); ListView mListView =(ListView)parentRow.getParent(); final int position = mListView.getPositionForView(parentRow); setPickerNumber(position,newVal); if(newVal > oldVal){ newValcount = newValcount + newVal – oldVal; } if(oldVal > newVal){ newValcount = newValcount + newVal – oldVal; } if(newValcount>0) { ProPay.setVisibility(View.VISIBLE); } else{ … Read more

[Solved] Android Eclipse not able to see older emulator in Android device chooser [closed]

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Restart ADB (you can do this in the ‘DDMS Perspective’, or from the command-line). Command line to restart: adb kill-server adb start-server If the device is configured correctly (USB Debugging enabled, and the computers drivers installed) – it should show up. There are no issues I have encountered with the new tools where devices don’t … Read more

[Solved] Placing an Picture in ImageView selected from Gallery

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How to place an image into ImageView from Gallery private int PICK_IMAGE_REQUEST = 1; private void openGallery() { tvGallery.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { Intent intent = new Intent(); // Show only images, no videos or anything else intent.setType(“image/*”); intent.setAction(Intent.ACTION_GET_CONTENT); // Always show the chooser (if there are multiple options available) startActivityForResult(Intent.createChooser(intent, … Read more

[Solved] Implement A Mutli Level Listview [closed]

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It sounds like you’re looking for an ExpandableListView (docs here). However, it does not allow the level of nesting that you need. To be honest though, I’d recommend against nesting items that deeply into a ListView setup using only ListViews. It makes navigation of the list items difficult/ messy (not to mention the programming side … Read more

[Solved] Android Project Creation [closed]

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Create a new Android Application project. Name it whatever you want and have it create a default activity, but change the name of the activity to “MTVisTestActivity”. Open the file MTVisTestActivity.java and keep the package declaration, but overwrite the rest of the text with the first file text Create a new class called MTView (right … Read more

[Solved] Netwok on main thread exception in android 4.0 [closed]

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The reason why your application crashes on Android versions 3.0 and above, but works fine on Android 2.x is because HoneyComb Ice Cream Sandwich and Jelly Bean are much stricter about abuse against the UI Thread. For example, when an Android device running HoneyComb or above detects a network access on the UI thread, a … Read more