Hi, Your source code as black text on gray is difficult to read.
Instead of using - screenLayout.setAlpha(1); screenLayout.setBackgroundColor(Color.GREEN); - I'd suggest that you combine these into a single line of code and specify both alpha & color as a single (32bit) Integer value, here an example in hexadecimal - screenLayout.setBackgroundColor(0x8000FF00); - that is Alpha is x80 ie 50% transparent and the color is Green 100% or the equivalent using http://developer.android.com/reference/android/graphics/Color.html#argb(int, int, int, int) eg - screenLayout.setBackgroundColor( Color.argb( 128, 0, 255, 0 ) ); // 50% transparent green Regards On Wednesday, February 10, 2016 at 6:33:57 PM UTC+11, Nnabueze Uhiara wrote: > > So sorry for the late reply. I was offline throughout yesterday. This is > the code: > > package com.nezspencer.nuhiara.colourhub; > > import android.graphics.Color; > import android.os.AsyncTask; > import android.os.Bundle; > import android.support.annotation.Nullable; > import android.support.v4.app.Fragment; > import android.text.TextUtils; > import android.util.Log; > import android.view.LayoutInflater; > import android.view.MotionEvent; > import android.view.View; > import android.view.ViewGroup; > import android.widget.AdapterView; > import android.widget.EditText; > import android.widget.LinearLayout; > import android.widget.SeekBar; > import android.widget.Spinner; > import android.widget.TextView; > > import com.dd.CircularProgressButton; > import com.nezspencer.nuhiara.colourhub.adapter.SpinnerAdapter; > import com.nezspencer.nuhiara.colourhub.dummy.DummyContent; > > import java.util.Arrays; > import java.util.List; > > /** > * Created by Nnabueze on 1/30/2016. > */ > public class ColorMixFragment extends Fragment implements > View.OnClickListener,SeekBar.OnSeekBarChangeListener { > > private SeekBar A_seekbar; > private SeekBar R_seekBar; > private SeekBar G_seekbar; > private SeekBar B_seekbar; > private EditText inputColor; > private CircularProgressButton renderButton; > private TextView rgbColor; > private TextView argbColor; > private Spinner backgroundColorSpinner; > private LinearLayout screenLayout; > private LinearLayout backLayout; > private static String A_string=null; > private static String R_string=null; > private static String G_string=null; > private static String B_string=null; > private List<String>colorCodes; > int size; > > @Nullable > @Override > public View onCreateView(LayoutInflater inflater, ViewGroup container, > Bundle savedInstanceState) { > > > colorCodes=Arrays.asList(getResources().getStringArray(R.array.color_codes)); > size = colorCodes.size() - 1; > > A_string=colorCodes.get(size); > R_string=colorCodes.get(0); > G_string=colorCodes.get(0); > B_string=colorCodes.get(0); > > View > view=inflater.inflate(R.layout.fragment_colour_mix,container,false); > findAllViews(view); > displayColorCode(); > screenLayout.setBackgroundColor(stringToColor(computeColor())); > renderButton.setOnClickListener(this); > A_seekbar.setMax(size); > R_seekBar.setMax(size); > G_seekbar.setMax(size); > B_seekbar.setMax(size); > inputColor.setFocusable(false); > inputColor.setOnTouchListener(new View.OnTouchListener() { > @Override > public boolean onTouch(View v, MotionEvent event) { > inputColor.setFocusableInTouchMode(true); > return false; > } > }); > inputColor.setOnFocusChangeListener(new View.OnFocusChangeListener() { > @Override > public void onFocusChange(View v, boolean hasFocus) { > > if (hasFocus) { > renderButton.setProgress(0); > renderButton.setIndeterminateProgressMode(false); > } > } > }); > A_seekbar.setOnSeekBarChangeListener(this); > R_seekBar.setOnSeekBarChangeListener(this); > G_seekbar.setOnSeekBarChangeListener(this); > B_seekbar.setOnSeekBarChangeListener(this); > > backgroundColorSpinner.setAdapter(new SpinnerAdapter(getActivity(), > DummyContent.ITEMS)); > backgroundColorSpinner.setOnItemSelectedListener(new > AdapterView.OnItemSelectedListener() { > @Override > public void onItemSelected(AdapterView<?> parent, View view, int > position, long id) { > > backLayout.setBackgroundColor(DummyContent.ITEMS.get(position).color); > } > > @Override > public void onNothingSelected(AdapterView<?> parent) { > > } > }); > > > return view; > } > > > > private void findAllViews(View view) > { > A_seekbar=(SeekBar)view.findViewById(R.id.colorA); > R_seekBar=(SeekBar)view.findViewById(R.id.colorR); > G_seekbar=(SeekBar)view.findViewById(R.id.colorG); > B_seekbar=(SeekBar)view.findViewById(R.id.colorB); > inputColor=(EditText)view.findViewById(R.id.input_colour); > > renderButton=(CircularProgressButton)view.findViewById(R.id.btnWithText); > rgbColor=(TextView)view.findViewById(R.id.rgb_color); > argbColor=(TextView)view.findViewById(R.id.argb_color); > backgroundColorSpinner=(Spinner)view.findViewById(R.id.spinner); > screenLayout=(LinearLayout)view.findViewById(R.id.fore_layout); > backLayout=(LinearLayout)view.findViewById(R.id.back_layout); > } > > @Override > public void onClick(View v) { > > if (v.getId()==R.id.btnWithText) > { > String t=inputColor.getText().toString(); > if (TextUtils.isEmpty(t)) > { > inputColor.setError("enter color code"); > return; > } > > try { > Color.parseColor(t); > new RotateButton().execute(t); > } > catch (IllegalArgumentException e) > { > inputColor.setError("not a color"); > e.printStackTrace(); > } > } > } > > > > public void getStringEquivalent(int change,String id) > { > > if (id.equalsIgnoreCase("alpha")) > { > A_string=colorCodes.get(change); > } > > else if (id.equalsIgnoreCase("red")) > { > R_string=colorCodes.get(change); > } > > else if (id.equalsIgnoreCase("green")) > { > G_string=colorCodes.get(change); > } > else { > B_string=colorCodes.get(change); > } > > > screenLayout.setBackgroundColor(stringToColor(computeColor())); > displayColorCode(); > > } > > public String computeColor() {return > "#"+A_string+R_string+G_string+B_string;} > > public Integer stringToColor(String colorString) > { > return Color.parseColor(colorString); > } > > public void displayColorCode() > { > rgbColor.setText("#" + R_string + G_string + B_string); > argbColor.setText(computeColor()); > } > > @Override > public void onProgressChanged(SeekBar seekBar, int progress, boolean > fromUser) { > > final String alpha="alpha"; > final String red="red"; > final String green="green"; > final String blue="blue"; > > if (seekBar.getId()==R.id.colorA) > getStringEquivalent(size-progress,alpha); > else if (seekBar.getId()==R.id.colorR) > getStringEquivalent(progress,red); > else if (seekBar.getId()==R.id.colorG) > getStringEquivalent(progress,green); > else > getStringEquivalent(progress,blue); > > } > > @Override > public void onStartTrackingTouch(SeekBar seekBar) { > > } > > @Override > public void onStopTrackingTouch(SeekBar seekBar) { > > } > > public String intToHex(int i) {return String.format("%02x",i & 0xFF);} > > public void extractColorString(String colorString) > { > > String temp=colorString.substring(1); > Log.e("temp"," "+temp); > int length=temp.length(); > > if (length==6) > { > A_string=colorCodes.get(0); > R_string=temp.substring(0,2); > G_string=temp.substring(2,4); > B_string=temp.substring(4,6); > } > > > else { > A_string=temp.substring(0,2); > R_string=temp.substring(2,4); > G_string=temp.substring(4,6); > B_string=temp.substring(6,8); > } > > A_seekbar.setProgress(colorCodes.indexOf(A_string.toUpperCase())); > R_seekBar.setProgress(colorCodes.indexOf(R_string.toUpperCase())); > G_seekbar.setProgress(colorCodes.indexOf(G_string.toUpperCase())); > B_seekbar.setProgress(colorCodes.indexOf(B_string.toUpperCase())); > > displayColorCode(); > } > > > > class RotateButton extends AsyncTask<String,Void,String> { > @Override > protected void onPreExecute() { > super.onPreExecute(); > renderButton.setProgress(30); > renderButton.setIndeterminateProgressMode(true); > } > > @Override > protected String doInBackground(String... params) { > > for (int i=0; i<5000; i++) > Log.i("roll button ",""+i); > > return params[0]; > } > > @Override > protected void onPostExecute(String aVoid) { > super.onPostExecute(aVoid); > > renderButton.setIndeterminateProgressMode(false); > renderButton.setProgress(100); > screenLayout.setBackgroundColor(Color.parseColor(aVoid)); > screenLayout.setLayerType(View.LAYER_TYPE_HARDWARE, null); > screenLayout.setAlpha(1); > screenLayout.setBackgroundColor(Color.GREEN); > backLayout.setBackgroundColor(Color.BLUE); > inputColor.setFocusable(false); > extractColorString(aVoid); > } > } > } > > > > > On Tuesday, 9 February 2016 07:28:27 UTC+1, gjs wrote: >> >> Hi, >> >> Maybe post your source code, bit hard to guess otherwise ? >> >> Regards >> >> On Monday, February 8, 2016 at 8:01:15 PM UTC+11, Nnabueze Uhiara wrote: >>> >>> I am having issues setting a linearLayout / relativeLayout's background >>> to transparent in code(not xml). I have tried both setBackgroundColor() and >>> setAlpha() but they both make the background grey not transparent. I want >>> to be able to see the underlying layout's colour when the >>> linear/RelativeLayout above it is transparent. I need help please! >>> >> -- You received this message because you are subscribed to the Google Groups "Android Developers" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/android-developers. To view this discussion on the web visit https://groups.google.com/d/msgid/android-developers/bf59504c-26ca-4abc-a774-074b751605e5%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
