Agrb色值查看器代码,Java代码库,德仔网

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【Java】 Agrb色值查看器
作者:OliverChu / 发布于2015/1/12/ 638

	package com.oliver.mycolortest;
	
	import android.graphics.Color;
	import android.graphics.Paint;
	import android.graphics.drawable.Drawable;
	import android.support.v7.app.ActionBarActivity;
	import android.os.Bundle;
	import android.view.Menu;
	import android.view.MenuItem;
	import android.view.View;
	import android.widget.Button;
	import android.widget.EditText;
	import android.widget.ImageView;
	import android.widget.SeekBar;
	import android.widget.TextView;
	
	
	public class MainActivity extends ActionBarActivity implements SeekBar.OnSeekBarChangeListener {
	
	 private TextView redText;
	 private TextView greenText;
	 private TextView blueText;
	 private TextView alphaText;
	
	
	 int alpha=255,red=0,green=0,blue=0;
	
	 private SeekBar redBar;
	 private SeekBar greenBar;
	 private SeekBar blueBar;
	 private SeekBar alphaBar;
	
	 private ImageView iv;
	 private TextView tv;
	
	 private EditText hexValue;
	
	 @Override
	 protected void onCreate(Bundle savedInstanceState) {
	 super.onCreate(savedInstanceState);
	 setContentView(R.layout.activity_main);
	
	 redText=(TextView) findViewById(R.id.redText);
	 greenText=(TextView) findViewById(R.id.greenText);
	 blueText=(TextView) findViewById(R.id.blueText);
	 alphaText=(TextView) findViewById(R.id.alphaText);
	 hexValue=(EditText) findViewById(R.id.hexValue);
	 // hexValue.setTextColor(Color.BLUE);
	
	 redBar=(SeekBar)findViewById(R.id.redBar);
	 greenBar=(SeekBar)findViewById(R.id.gBar);
	 blueBar=(SeekBar)findViewById(R.id.bBar);
	 alphaBar=(SeekBar)findViewById(R.id.alphaBar);
	
	
	 iv=(ImageView)findViewById(R.id.imageView);
	 tv=(TextView)findViewById(R.id.colorView);
	
	
	
	 redBar.setOnSeekBarChangeListener(this);
	 greenBar.setOnSeekBarChangeListener(this);
	 blueBar.setOnSeekBarChangeListener(this);
	 alphaBar.setOnSeekBarChangeListener(this);
	
	
	
	
	
	 Button resetBtn=(Button)findViewById(R.id.resetBtn);
	 resetBtn.setOnClickListener(new View.OnClickListener() {
	 @Override
	 public void onClick(View v) {
	 red=0;
	 green=0;
	 blue=0;
	 alpha=255;
	 setAll();
	 }
	 });
	
	 setAll();
	 tv.setTextSize(28);
	 tv.setText("测试RGB颜色");
	 }
	
	
	 @Override
	 public boolean onCreateOptionsMenu(Menu menu) {
	 // Inflate the menu; this adds items to the action bar if it is present.
	 getMenuInflater().inflate(R.menu.menu_main, menu);
	 return true;
	 }
	
	 @Override
	 public boolean onOptionsItemSelected(MenuItem item) {
	 // Handle action bar item clicks here. The action bar will
	 // automatically handle clicks on the Home/Up button, so long
	 // as you specify a parent activity in AndroidManifest.xml.
	 int id = item.getItemId();
	
	 //noinspection SimplifiableIfStatement
	 if (id == R.id.action_settings) {
	 return true;
	 }
	
	 return super.onOptionsItemSelected(item);
	 }
	
	 @Override
	 public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
	 if(seekBar==redBar){
	 red=progress;
	 setAll();
	 }else if(seekBar==greenBar){
	 green=progress;
	 setAll();
	 }else if(seekBar==blueBar){
	 blue=progress;
	 setAll();
	 }else if(seekBar==alphaBar){
	 alpha=progress;
	 setAll();
	 }
	 }
	
	 @Override
	 public void onStartTrackingTouch(SeekBar seekBar) {
	// tv.setTextColor(Color.rgb(red,green,blue));
	// iv.setBackgroundColor(Color.rgb(red,green,blue));
	
	 }
	
	 @Override
	 public void onStopTrackingTouch(SeekBar seekBar) {
	
	 }
	
	 public void setAll(){
	 greenBar.setProgress(green);
	 redBar.setProgress(red);
	 blueBar.setProgress(blue);
	 alphaBar.setProgress(alpha);
	 tv.setTextColor(Color.argb(alpha, red, green, blue));
	 iv.setBackgroundColor(Color.argb(alpha, red, green, blue));
	 redText.setText("红色值= " + red + "");
	 greenText.setText("绿色值= "+green+"");
	 blueText.setText("蓝色值= "+blue+"");
	 alphaText.setText("透明度= "+alpha+"");
	 iv.setColorFilter(Color.argb(alpha, red, green, blue));
	 // hexValue.setText("#"+Integer.toHexString(alpha)+Integer.toHexString(red)+Integer.toHexString(green)+Integer.toHexString(blue));
	 hexValue.setText(String.format("#%02x%02x%02x%02x",alpha, red, green, blue));
	
	 }
	}

	

	

	

	activity_main.xml

	<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
	 xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent"
	 android:layout_height="match_parent" android:paddingLeft="@dimen/activity_horizontal_margin"
	 android:paddingRight="@dimen/activity_horizontal_margin"
	 android:paddingTop="@dimen/activity_vertical_margin"
	 android:paddingBottom="@dimen/activity_vertical_margin" tools:context=".MainActivity"
	 android:id="@+id/mylayout"
	 android:background="#ff2d2d2d"
	 android:alwaysDrawnWithCache="false"
	 android:animateLayoutChanges="false">
	
	 <TextView android:text="@string/hello_world" android:layout_width="wrap_content"
	 android:layout_height="wrap_content"
	 android:layout_alignParentTop="true"
	 android:layout_centerHorizontal="true"
	 android:layout_marginTop="62dp"
	 android:id="@+id/colorView"
	 android:textColor="@android:color/holo_blue_light" />
	
	 <SeekBar
	 android:layout_width="wrap_content"
	 android:layout_height="wrap_content"
	 android:id="@+id/redBar"
	 android:layout_marginTop="73dp"
	 android:layout_below="@+id/colorView"
	 android:max="255"
	 android:indeterminate="false"
	 android:progress="0"
	 android:layout_alignRight="@+id/colorView"
	 android:layout_alignEnd="@+id/colorView"
	 android:layout_alignParentLeft="true"
	 android:layout_alignParentStart="true" />
	
	 <SeekBar
	 android:layout_width="wrap_content"
	 android:layout_height="wrap_content"
	 android:id="@+id/gBar"
	 android:max="255"
	 android:indeterminate="false"
	 android:progress="0"
	 android:layout_centerVertical="true"
	 android:layout_alignParentLeft="true"
	 android:layout_alignParentStart="true"
	 android:layout_alignRight="@+id/redBar"
	 android:layout_alignEnd="@+id/redBar" />
	
	 <SeekBar
	 android:layout_width="wrap_content"
	 android:layout_height="wrap_content"
	 android:id="@+id/bBar"
	 android:max="255"
	 android:indeterminate="false"
	 android:progress="0"
	 android:layout_marginTop="24dp"
	 android:layout_below="@+id/gBar"
	 android:layout_alignParentLeft="true"
	 android:layout_alignParentStart="true"
	 android:layout_toLeftOf="@+id/blueText"
	 android:layout_toStartOf="@+id/blueText" />
	
	 <TextView
	 android:layout_width="wrap_content"
	 android:layout_height="wrap_content"
	 android:textAppearance="?android:attr/textAppearanceSmall"
	 android:text="Small Text"
	 android:id="@+id/redText"
	 android:layout_alignBottom="@+id/redBar"
	 android:layout_alignLeft="@+id/greenText"
	 android:layout_alignStart="@+id/greenText"
	 android:textColor="@android:color/holo_blue_light" />
	
	 <TextView
	 android:layout_width="wrap_content"
	 android:layout_height="wrap_content"
	 android:textAppearance="?android:attr/textAppearanceSmall"
	 android:text="Small Text"
	 android:id="@+id/greenText"
	 android:textColor="@android:color/holo_blue_light"
	 android:layout_above="@+id/bBar"
	 android:layout_toRightOf="@+id/gBar"
	 android:layout_toEndOf="@+id/gBar" />
	
	 <TextView
	 android:layout_width="wrap_content"
	 android:layout_height="wrap_content"
	 android:textAppearance="?android:attr/textAppearanceSmall"
	 android:text="Small Text"
	 android:id="@+id/blueText"
	 android:textColor="@android:color/holo_blue_light"
	 android:layout_alignBottom="@+id/bBar"
	 android:layout_toRightOf="@+id/gBar"
	 android:layout_toEndOf="@+id/gBar" />
	
	 <Button
	 android:layout_width="wrap_content"
	 android:layout_height="wrap_content"
	 android:text="重新设置"
	 android:id="@+id/resetBtn"
	 android:layout_marginBottom="46dp"
	 android:layout_alignParentBottom="true"
	 android:layout_centerHorizontal="true"
	 android:theme="@android:style/Holo.Light.ButtonBar" />
	
	 <TextView
	 android:layout_width="wrap_content"
	 android:layout_height="wrap_content"
	 android:textAppearance="?android:attr/textAppearanceLarge"
	 android:text="Design by Oliver"
	 android:id="@+id/textView"
	 android:textColor="@android:color/holo_orange_dark"
	 android:layout_alignParentBottom="true"
	 android:layout_centerHorizontal="true" />
	
	 <ImageView
	 android:layout_width="50dp"
	 android:layout_height="50dp"
	 android:id="@+id/imageView"
	 android:layout_alignParentTop="true"
	 android:layout_centerHorizontal="true"
	 android:src="@drawable/ic_launcher" />
	
	 <ProgressBar
	 style="?android:attr/progressBarStyleLarge"
	 android:layout_width="wrap_content"
	 android:layout_height="wrap_content"
	 android:id="@+id/progressBar"
	 android:layout_alignParentTop="true"
	 android:layout_alignParentLeft="true"
	 android:layout_alignParentStart="true" />
	
	 <SeekBar
	 android:layout_width="wrap_content"
	 android:layout_height="wrap_content"
	 android:id="@+id/alphaBar"
	 android:max="255"
	 android:indeterminate="false"
	 android:progress="0"
	 android:layout_above="@+id/resetBtn"
	 android:layout_alignParentLeft="true"
	 android:layout_alignParentStart="true"
	 android:layout_marginBottom="21dp"
	 android:layout_alignRight="@+id/bBar"
	 android:layout_alignEnd="@+id/bBar" />
	
	 <TextView
	 android:layout_width="wrap_content"
	 android:layout_height="wrap_content"
	 android:textAppearance="?android:attr/textAppearanceSmall"
	 android:text="Small Text"
	 android:id="@+id/alphaText"
	 android:textColor="@android:color/holo_blue_light"
	 android:layout_alignBottom="@+id/alphaBar"
	 android:layout_toRightOf="@+id/alphaBar"
	 android:layout_toEndOf="@+id/alphaBar" />
	
	 <EditText
	 android:layout_width="wrap_content"
	 android:layout_height="wrap_content"
	 android:textAppearance="?android:attr/textAppearanceMedium"
	 android:id="@+id/hexValue"
	 android:layout_above="@+id/redText"
	 android:layout_toRightOf="@+id/imageView"
	 android:layout_marginBottom="22dp"
	 android:layout_alignParentRight="true"
	 android:layout_alignParentEnd="true"
	 android:textColor="@android:color/holo_blue_light"
	 android:textAlignment="center"
	 android:editable="false"
	 android:elegantTextHeight="true"
	 android:clickable="true" />
	
	</RelativeLayout>

	

	

	

	

	AndroidManifest.xml

	<?xml version="1.0" encoding="utf-8"?>
	<manifest xmlns:android="http://schemas.android.com/apk/res/android"
	 package="com.oliver.mycolortest" >
	
	 <application
	 android:allowBackup="true"
	 android:icon="@drawable/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>
	 </application>
	
	</manifest>
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