├── .gitignore
├── .idea
├── compiler.xml
├── copyright
│ └── profiles_settings.xml
├── encodings.xml
├── gradle.xml
├── misc.xml
├── modules.xml
├── runConfigurations.xml
└── vcs.xml
├── README.md
├── README.md~
├── app
├── .gitignore
├── build.gradle
├── proguard-rules.pro
└── src
│ └── main
│ ├── AndroidManifest.xml
│ ├── java
│ └── developer
│ │ └── shivam
│ │ └── waveview
│ │ └── MainActivity.java
│ └── res
│ ├── layout
│ └── activity_main.xml
│ ├── mipmap-hdpi
│ └── ic_launcher.png
│ ├── mipmap-mdpi
│ └── ic_launcher.png
│ ├── mipmap-xhdpi
│ └── ic_launcher.png
│ ├── mipmap-xxhdpi
│ └── ic_launcher.png
│ ├── mipmap-xxxhdpi
│ └── ic_launcher.png
│ ├── values-w820dp
│ └── dimens.xml
│ └── values
│ ├── colors.xml
│ ├── dimens.xml
│ ├── strings.xml
│ └── styles.xml
├── build.gradle
├── gradle.properties
├── gradle
└── wrapper
│ ├── gradle-wrapper.jar
│ └── gradle-wrapper.properties
├── gradlew
├── gradlew.bat
├── library
├── .gitignore
├── build.gradle
├── proguard-rules.pro
└── src
│ └── main
│ ├── AndroidManifest.xml
│ ├── java
│ └── developer
│ │ └── shivam
│ │ └── library
│ │ └── WaveView.java
│ └── res
│ └── values
│ ├── attrs.xml
│ └── strings.xml
├── screenshots
├── screenshot.png
└── wave_gif.gif
└── settings.gradle
/.gitignore:
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1 | *.iml
2 | .gradle
3 | /local.properties
4 | /.idea/workspace.xml
5 | /.idea/libraries
6 | .DS_Store
7 | /build
8 | /captures
9 | .externalNativeBuild
10 |
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/README.md:
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1 | # WaveView - Android custom view.
2 |
3 | [](http://www.apache.org/licenses/LICENSE-2.0.html)
4 | [](https://github.com/developer-shivam/WaveView.git)
5 | [](https://android-arsenal.com/details/1/4378)
6 |
7 | ### Min SDK 9 (Android 2.3–2.3.1 Gingerbread)
8 |
9 | ### Preview
10 |  
11 |
12 | ### About
13 | This custom view is sturctured of Sine Wave Equation.
14 |
15 | The sine wave formula is :
16 | y(t) = A sin(2πft + ρ) = A sin(ωt + ρ)
17 |
18 | The above formula can be explained in sound terms as follows:
19 |
20 | y = amplitude X sin ( 2π ( velocity of rotation in cycles per second))
21 |
22 | Increasing the amplitude of the sine wave, how high the tops and bottoms of the wave go, increases the volume. Increasing or decreasing the cycle rate, how many cycles over distance/time, increases and decreases the pitch of the sound – how high or low the tone sounds.
23 |
24 | ### Implementation (XML)
25 |
26 | ```xml
27 |
33 | ```
34 | ### Implementation (Java)
35 | ``` java
36 | WaveView view = new WaveView(this);
37 | view.setSpeed(5);
38 | view.setAmplitude(5);
39 | setContentView(view);
40 | ```
41 |
42 | To use this awesome library you first need to add below lines to build.gradle at your project root level
43 |
44 | ```xml
45 | allprojects {
46 | repositories {
47 | ...
48 | maven { url "https://jitpack.io" }
49 | }
50 | }
51 | ```
52 |
53 | And then add dependency to your app build.gradle file
54 | ```xml
55 | dependencies {
56 | compile 'com.github.developer-shivam:WaveView:1.0'
57 | }
58 | ```
59 |
60 | And you're done! Don't forget to give a star.
61 |
62 | #### Features
63 | - Two attribute to control wave behaviour.
64 | - One for controlling the amplitude of wave (Height of wave).
65 | - Second to control speed of wave (Movement along x-axis).
66 |
67 | #### What else to come
68 | - Wave height controlled with sound input
69 | - Different color palettes
70 |
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/README.md~:
--------------------------------------------------------------------------------
1 | # WaveView - Android custom view.
2 |
3 | [](http://www.apache.org/licenses/LICENSE-2.0.html)
4 | [](https://github.com/developer-shivam/WaveView.git)
5 |
6 | ### Min SDK 9 (Android 2.3–2.3.1 Gingerbread)
7 |
8 | ### Preview
9 |  
10 |
11 | ### About
12 | This custom view is sturctured of Sine Wave Equation.
13 |
14 | The sine wave formula is :
15 | y(t) = A sin(2πft + ρ) = A sin(ωt + ρ)
16 |
17 | The above formula can be explained in sound terms as follows:
18 |
19 | y = amplitude X sin ( 2π ( velocity of rotation in cycles per second))
20 |
21 | Increasing the amplitude of the sine wave, how high the tops and bottoms of the wave go, increases the volume. Increasing or decreasing the cycle rate, how many cycles over distance/time, increases and decreases the pitch of the sound – how high or low the tone sounds.
22 |
23 | ### Implementation (XML)
24 |
25 | ```xml
26 |
32 | ```
33 | ### Implementation (Java)
34 | ``` java
35 | WaveView view = new WaveView(this);
36 | view.setSpeed(5);
37 | view.setAmplitude(5);
38 | setContentView(view);
39 | ```
40 |
41 | To use this awesome library you first need to add below lines to build.gradle at your project root level
42 |
43 | ```xml
44 | allprojects {
45 | repositories {
46 | ...
47 | maven { url "https://jitpack.io" }
48 | }
49 | }
50 | ```
51 |
52 | And then add dependency to your app build.gradle file
53 | ```xml
54 | dependencies {
55 | compile 'com.github.developer-shivam:WaveView:1.0'
56 | }
57 | ```
58 |
59 | And you're done! Don't forget to give a star.
60 |
61 | #### Features
62 | - Two attribute to control wave behaviour.
63 | - One for controlling the amplitude of wave (Height of wave).
64 | - Second to control speed of wave (Movement along x-axis).
65 |
66 | #### What else to come
67 | - Wave height controlled with sound input
68 | - Different color palettes
69 |
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/app/.gitignore:
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1 | /build
2 |
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/app/build.gradle:
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1 | apply plugin: 'com.android.application'
2 |
3 | android {
4 | compileSdkVersion 24
5 | buildToolsVersion "24.0.2"
6 | defaultConfig {
7 | applicationId "developer.shivam.waveview"
8 | minSdkVersion 16
9 | targetSdkVersion 24
10 | versionCode 1
11 | versionName "1.0"
12 | testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
13 | }
14 | buildTypes {
15 | release {
16 | minifyEnabled false
17 | proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
18 | }
19 | }
20 | }
21 |
22 | dependencies {
23 | compile fileTree(include: ['*.jar'], dir: 'libs')
24 | compile 'com.android.support:appcompat-v7:24.2.1'
25 | compile 'com.github.developer-shivam:WaveView:1.0'
26 | }
27 |
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/app/proguard-rules.pro:
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1 | # Add project specific ProGuard rules here.
2 | # By default, the flags in this file are appended to flags specified
3 | # in /home/shivam/Documents/Android/sdk/tools/proguard/proguard-android.txt
4 | # You can edit the include path and order by changing the proguardFiles
5 | # directive in build.gradle.
6 | #
7 | # For more details, see
8 | # http://developer.android.com/guide/developing/tools/proguard.html
9 |
10 | # Add any project specific keep options here:
11 |
12 | # If your project uses WebView with JS, uncomment the following
13 | # and specify the fully qualified class name to the JavaScript interface
14 | # class:
15 | #-keepclassmembers class fqcn.of.javascript.interface.for.webview {
16 | # public *;
17 | #}
18 |
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/app/src/main/AndroidManifest.xml:
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2 |
4 |
5 |
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12 |
13 |
14 |
15 |
16 |
17 |
18 |
19 |
20 |
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/app/src/main/java/developer/shivam/waveview/MainActivity.java:
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1 | package developer.shivam.waveview;
2 |
3 | import android.content.Context;
4 | import android.support.v7.app.AppCompatActivity;
5 | import android.os.Bundle;
6 | import android.util.Log;
7 | import android.widget.SeekBar;
8 |
9 | import developer.shivam.library.WaveView;
10 |
11 | public class MainActivity extends AppCompatActivity implements SeekBar.OnSeekBarChangeListener {
12 |
13 | private WaveView view;
14 | private SeekBar speedSeekBar, amplitudeSeekBar;
15 |
16 | @Override
17 | protected void onCreate(Bundle savedInstanceState) {
18 | super.onCreate(savedInstanceState);
19 |
20 | setContentView(R.layout.activity_main);
21 | view = (WaveView) findViewById(R.id.sample_wave_view);
22 |
23 | /**
24 | * Two seekBar to control wave behaviour
25 | */
26 | speedSeekBar = (SeekBar) findViewById(R.id.seekBarSpeed);
27 | speedSeekBar.setMax(10);
28 | speedSeekBar.setOnSeekBarChangeListener(this);
29 | amplitudeSeekBar = (SeekBar) findViewById(R.id.seekBarAmplitude);
30 | amplitudeSeekBar.setMax(10);
31 | amplitudeSeekBar.setOnSeekBarChangeListener(this);
32 | }
33 |
34 | @Override
35 | public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
36 | if (seekBar.getId() == R.id.seekBarSpeed) {
37 | if (fromUser) {
38 | Log.d("Value", String.valueOf(progress));
39 | view.setSpeed(progress);
40 | }
41 | } else if (seekBar.getId() == R.id.seekBarAmplitude) {
42 | if (fromUser) {
43 | view.setAmplitude(progress);
44 | }
45 | }
46 | }
47 |
48 | @Override
49 | public void onStartTrackingTouch(SeekBar seekBar) {
50 |
51 | }
52 |
53 | @Override
54 | public void onStopTrackingTouch(SeekBar seekBar) {
55 |
56 | }
57 | }
58 |
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/app/src/main/res/layout/activity_main.xml:
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1 |
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10 |
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17 |
22 |
23 |
28 |
29 |
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/app/src/main/res/mipmap-hdpi/ic_launcher.png:
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/app/src/main/res/mipmap-mdpi/ic_launcher.png:
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/app/src/main/res/mipmap-xhdpi/ic_launcher.png:
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/app/src/main/res/mipmap-xxhdpi/ic_launcher.png:
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https://raw.githubusercontent.com/developer-shivam/WaveView/1fe4a6420d76f816e115e104113f1bea7141fa92/app/src/main/res/mipmap-xxhdpi/ic_launcher.png
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/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png:
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https://raw.githubusercontent.com/developer-shivam/WaveView/1fe4a6420d76f816e115e104113f1bea7141fa92/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png
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/app/src/main/res/values-w820dp/dimens.xml:
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1 |
2 |
5 | 64dp
6 |
7 |
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/app/src/main/res/values/colors.xml:
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1 |
2 |
3 | #3F51B5
4 | #303F9F
5 | #FF4081
6 |
7 |
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/app/src/main/res/values/dimens.xml:
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1 |
2 |
3 | 16dp
4 | 16dp
5 |
6 |
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/app/src/main/res/values/strings.xml:
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1 |
2 | WaveView
3 |
4 |
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/app/src/main/res/values/styles.xml:
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1 |
2 |
3 |
4 |
10 |
11 |
12 |
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/build.gradle:
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1 | // Top-level build file where you can add configuration options common to all sub-projects/modules.
2 |
3 | buildscript {
4 | repositories {
5 | jcenter()
6 | }
7 | dependencies {
8 | classpath 'com.android.tools.build:gradle:2.2.0'
9 | classpath 'com.github.dcendents:android-maven-gradle-plugin:1.4.1'
10 |
11 | // NOTE: Do not place your application dependencies here; they belong
12 | // in the individual module build.gradle files
13 | }
14 | }
15 |
16 | allprojects {
17 | repositories {
18 | jcenter()
19 | maven { url "https://jitpack.io" }
20 | }
21 | }
22 |
23 | task clean(type: Delete) {
24 | delete rootProject.buildDir
25 | }
26 |
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/gradle.properties:
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1 | # Project-wide Gradle settings.
2 |
3 | # IDE (e.g. Android Studio) users:
4 | # Gradle settings configured through the IDE *will override*
5 | # any settings specified in this file.
6 |
7 | # For more details on how to configure your build environment visit
8 | # http://www.gradle.org/docs/current/userguide/build_environment.html
9 |
10 | # Specifies the JVM arguments used for the daemon process.
11 | # The setting is particularly useful for tweaking memory settings.
12 | org.gradle.jvmargs=-Xmx1536m
13 |
14 | # When configured, Gradle will run in incubating parallel mode.
15 | # This option should only be used with decoupled projects. More details, visit
16 | # http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
17 | # org.gradle.parallel=true
18 |
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/gradle/wrapper/gradle-wrapper.jar:
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https://raw.githubusercontent.com/developer-shivam/WaveView/1fe4a6420d76f816e115e104113f1bea7141fa92/gradle/wrapper/gradle-wrapper.jar
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/gradle/wrapper/gradle-wrapper.properties:
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1 | #Mon Dec 28 10:00:20 PST 2015
2 | distributionBase=GRADLE_USER_HOME
3 | distributionPath=wrapper/dists
4 | zipStoreBase=GRADLE_USER_HOME
5 | zipStorePath=wrapper/dists
6 | distributionUrl=https\://services.gradle.org/distributions/gradle-2.14.1-all.zip
7 |
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/gradlew:
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1 | #!/usr/bin/env bash
2 |
3 | ##############################################################################
4 | ##
5 | ## Gradle start up script for UN*X
6 | ##
7 | ##############################################################################
8 |
9 | # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
10 | DEFAULT_JVM_OPTS=""
11 |
12 | APP_NAME="Gradle"
13 | APP_BASE_NAME=`basename "$0"`
14 |
15 | # Use the maximum available, or set MAX_FD != -1 to use that value.
16 | MAX_FD="maximum"
17 |
18 | warn ( ) {
19 | echo "$*"
20 | }
21 |
22 | die ( ) {
23 | echo
24 | echo "$*"
25 | echo
26 | exit 1
27 | }
28 |
29 | # OS specific support (must be 'true' or 'false').
30 | cygwin=false
31 | msys=false
32 | darwin=false
33 | case "`uname`" in
34 | CYGWIN* )
35 | cygwin=true
36 | ;;
37 | Darwin* )
38 | darwin=true
39 | ;;
40 | MINGW* )
41 | msys=true
42 | ;;
43 | esac
44 |
45 | # Attempt to set APP_HOME
46 | # Resolve links: $0 may be a link
47 | PRG="$0"
48 | # Need this for relative symlinks.
49 | while [ -h "$PRG" ] ; do
50 | ls=`ls -ld "$PRG"`
51 | link=`expr "$ls" : '.*-> \(.*\)$'`
52 | if expr "$link" : '/.*' > /dev/null; then
53 | PRG="$link"
54 | else
55 | PRG=`dirname "$PRG"`"/$link"
56 | fi
57 | done
58 | SAVED="`pwd`"
59 | cd "`dirname \"$PRG\"`/" >/dev/null
60 | APP_HOME="`pwd -P`"
61 | cd "$SAVED" >/dev/null
62 |
63 | CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
64 |
65 | # Determine the Java command to use to start the JVM.
66 | if [ -n "$JAVA_HOME" ] ; then
67 | if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
68 | # IBM's JDK on AIX uses strange locations for the executables
69 | JAVACMD="$JAVA_HOME/jre/sh/java"
70 | else
71 | JAVACMD="$JAVA_HOME/bin/java"
72 | fi
73 | if [ ! -x "$JAVACMD" ] ; then
74 | die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
75 |
76 | Please set the JAVA_HOME variable in your environment to match the
77 | location of your Java installation."
78 | fi
79 | else
80 | JAVACMD="java"
81 | which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
82 |
83 | Please set the JAVA_HOME variable in your environment to match the
84 | location of your Java installation."
85 | fi
86 |
87 | # Increase the maximum file descriptors if we can.
88 | if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
89 | MAX_FD_LIMIT=`ulimit -H -n`
90 | if [ $? -eq 0 ] ; then
91 | if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
92 | MAX_FD="$MAX_FD_LIMIT"
93 | fi
94 | ulimit -n $MAX_FD
95 | if [ $? -ne 0 ] ; then
96 | warn "Could not set maximum file descriptor limit: $MAX_FD"
97 | fi
98 | else
99 | warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
100 | fi
101 | fi
102 |
103 | # For Darwin, add options to specify how the application appears in the dock
104 | if $darwin; then
105 | GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
106 | fi
107 |
108 | # For Cygwin, switch paths to Windows format before running java
109 | if $cygwin ; then
110 | APP_HOME=`cygpath --path --mixed "$APP_HOME"`
111 | CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
112 | JAVACMD=`cygpath --unix "$JAVACMD"`
113 |
114 | # We build the pattern for arguments to be converted via cygpath
115 | ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
116 | SEP=""
117 | for dir in $ROOTDIRSRAW ; do
118 | ROOTDIRS="$ROOTDIRS$SEP$dir"
119 | SEP="|"
120 | done
121 | OURCYGPATTERN="(^($ROOTDIRS))"
122 | # Add a user-defined pattern to the cygpath arguments
123 | if [ "$GRADLE_CYGPATTERN" != "" ] ; then
124 | OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
125 | fi
126 | # Now convert the arguments - kludge to limit ourselves to /bin/sh
127 | i=0
128 | for arg in "$@" ; do
129 | CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
130 | CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option
131 |
132 | if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition
133 | eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
134 | else
135 | eval `echo args$i`="\"$arg\""
136 | fi
137 | i=$((i+1))
138 | done
139 | case $i in
140 | (0) set -- ;;
141 | (1) set -- "$args0" ;;
142 | (2) set -- "$args0" "$args1" ;;
143 | (3) set -- "$args0" "$args1" "$args2" ;;
144 | (4) set -- "$args0" "$args1" "$args2" "$args3" ;;
145 | (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
146 | (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
147 | (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
148 | (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
149 | (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
150 | esac
151 | fi
152 |
153 | # Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
154 | function splitJvmOpts() {
155 | JVM_OPTS=("$@")
156 | }
157 | eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
158 | JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
159 |
160 | exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
161 |
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/gradlew.bat:
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1 | @if "%DEBUG%" == "" @echo off
2 | @rem ##########################################################################
3 | @rem
4 | @rem Gradle startup script for Windows
5 | @rem
6 | @rem ##########################################################################
7 |
8 | @rem Set local scope for the variables with windows NT shell
9 | if "%OS%"=="Windows_NT" setlocal
10 |
11 | @rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
12 | set DEFAULT_JVM_OPTS=
13 |
14 | set DIRNAME=%~dp0
15 | if "%DIRNAME%" == "" set DIRNAME=.
16 | set APP_BASE_NAME=%~n0
17 | set APP_HOME=%DIRNAME%
18 |
19 | @rem Find java.exe
20 | if defined JAVA_HOME goto findJavaFromJavaHome
21 |
22 | set JAVA_EXE=java.exe
23 | %JAVA_EXE% -version >NUL 2>&1
24 | if "%ERRORLEVEL%" == "0" goto init
25 |
26 | echo.
27 | echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
28 | echo.
29 | echo Please set the JAVA_HOME variable in your environment to match the
30 | echo location of your Java installation.
31 |
32 | goto fail
33 |
34 | :findJavaFromJavaHome
35 | set JAVA_HOME=%JAVA_HOME:"=%
36 | set JAVA_EXE=%JAVA_HOME%/bin/java.exe
37 |
38 | if exist "%JAVA_EXE%" goto init
39 |
40 | echo.
41 | echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
42 | echo.
43 | echo Please set the JAVA_HOME variable in your environment to match the
44 | echo location of your Java installation.
45 |
46 | goto fail
47 |
48 | :init
49 | @rem Get command-line arguments, handling Windowz variants
50 |
51 | if not "%OS%" == "Windows_NT" goto win9xME_args
52 | if "%@eval[2+2]" == "4" goto 4NT_args
53 |
54 | :win9xME_args
55 | @rem Slurp the command line arguments.
56 | set CMD_LINE_ARGS=
57 | set _SKIP=2
58 |
59 | :win9xME_args_slurp
60 | if "x%~1" == "x" goto execute
61 |
62 | set CMD_LINE_ARGS=%*
63 | goto execute
64 |
65 | :4NT_args
66 | @rem Get arguments from the 4NT Shell from JP Software
67 | set CMD_LINE_ARGS=%$
68 |
69 | :execute
70 | @rem Setup the command line
71 |
72 | set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
73 |
74 | @rem Execute Gradle
75 | "%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%
76 |
77 | :end
78 | @rem End local scope for the variables with windows NT shell
79 | if "%ERRORLEVEL%"=="0" goto mainEnd
80 |
81 | :fail
82 | rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
83 | rem the _cmd.exe /c_ return code!
84 | if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
85 | exit /b 1
86 |
87 | :mainEnd
88 | if "%OS%"=="Windows_NT" endlocal
89 |
90 | :omega
91 |
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/library/.gitignore:
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1 | /build
2 |
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/library/build.gradle:
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1 | apply plugin: 'com.android.library'
2 | apply plugin: 'com.github.dcendents.android-maven'
3 | group='com.github.developer-shivam'
4 | android {
5 | compileSdkVersion 24
6 | buildToolsVersion "24.0.2"
7 |
8 | defaultConfig {
9 | minSdkVersion 9
10 | targetSdkVersion 24
11 | versionCode 1
12 | versionName "1.0"
13 |
14 | testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
15 |
16 | }
17 | buildTypes {
18 | release {
19 | minifyEnabled false
20 | proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
21 | }
22 | }
23 | }
24 |
25 | dependencies {
26 | compile fileTree(dir: 'libs', include: ['*.jar'])
27 | }
28 |
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/library/proguard-rules.pro:
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1 | # Add project specific ProGuard rules here.
2 | # By default, the flags in this file are appended to flags specified
3 | # in /home/shivam/Documents/Android/sdk/tools/proguard/proguard-android.txt
4 | # You can edit the include path and order by changing the proguardFiles
5 | # directive in build.gradle.
6 | #
7 | # For more details, see
8 | # http://developer.android.com/guide/developing/tools/proguard.html
9 |
10 | # Add any project specific keep options here:
11 |
12 | # If your project uses WebView with JS, uncomment the following
13 | # and specify the fully qualified class name to the JavaScript interface
14 | # class:
15 | #-keepclassmembers class fqcn.of.javascript.interface.for.webview {
16 | # public *;
17 | #}
18 |
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/library/src/main/AndroidManifest.xml:
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1 |
3 |
4 |
5 |
6 |
7 |
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/library/src/main/java/developer/shivam/library/WaveView.java:
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1 | package developer.shivam.library;
2 |
3 | /**
4 | * This is library implementation of Wave View
5 | * Wave view is structured on the Sine Wave formula
6 | * The sine wave formula is :
7 | *
8 | * y(t) = A sin(2πft + ρ) = A sin(ωt + ρ)
9 | *
10 | * The above formula can be explained in sound terms as follows:
11 | *
12 | * y = amplitude X sin ( 2π ( velocity of rotation in cycles per second))
13 | *
14 | * Increasing the amplitude of the sine wave, how high the tops and bottoms of the wave go, increases the volume.
15 | * Increasing or decreasing the cycle rate, how many cycles over distance/time, increases and decreases the pitch of the sound – how high or low the tone sounds.
16 | */
17 |
18 | import android.content.Context;
19 | import android.content.res.TypedArray;
20 | import android.graphics.Canvas;
21 | import android.graphics.Color;
22 | import android.graphics.Paint;
23 | import android.graphics.Path;
24 | import android.os.Handler;
25 | import android.util.AttributeSet;
26 | import android.view.View;
27 |
28 | public class WaveView extends View {
29 |
30 | /**
31 | * To run animation in a infinite loop handler and runnable is used
32 | * In every 16ms difference the wave is updated
33 | */
34 | private Handler handler;
35 |
36 | private Context mContext = null;
37 |
38 | /**
39 | * @width - Device screen width
40 | */
41 | private int width = 0;
42 |
43 | /**
44 | * x, y1, y2 are used to plot the path for wave
45 | */
46 | float x;
47 | float y1, y2;
48 |
49 | private Paint firstWaveColor;
50 | private Paint secondWaveColor;
51 |
52 | /**
53 | * @frequency - Then less the frequency more will be the number of
54 | * waves
55 | */
56 | int frequency = 180;
57 |
58 | /**
59 | * @amplitude - Amplitude gives the height of wave
60 | */
61 |
62 | int amplitude = 80;
63 | private float shift = 0;
64 |
65 | private int quadrant;
66 |
67 | Path firstWavePath = new Path();
68 | Path secondWavePath = new Path();
69 |
70 | /**
71 | * @speed - Its the velocity of wave in x-axis
72 | */
73 | private float speed = (float) 0.5;
74 |
75 | public WaveView(Context context) {
76 | super(context);
77 | init(context, null);
78 | }
79 |
80 | public WaveView(Context context, AttributeSet attrs) {
81 | super(context, attrs);
82 | init(context, attrs);
83 | }
84 |
85 | private void init(Context context, AttributeSet attrs) {
86 |
87 | if (attrs != null) {
88 | TypedArray attributes = getContext().obtainStyledAttributes(attrs, R.styleable.wave, 0, 0);
89 | int height = attributes.getInt(R.styleable.wave_wave_height, 8) ;
90 | if (height > 10) {
91 | amplitude = 200;
92 | } else {
93 | amplitude = height * 20;
94 | }
95 | float s = attributes.getInt(R.styleable.wave_wave_speed, 1);
96 | if (s > 10) {
97 | speed = (float) 0.25;
98 | } else {
99 | speed = s/8;
100 | }
101 | }
102 |
103 | mContext = context;
104 | firstWaveColor = new Paint();
105 | firstWaveColor.setAntiAlias(true);
106 | firstWaveColor.setStrokeWidth(2);
107 | firstWaveColor.setColor(Color.parseColor("#64B5F6"));
108 |
109 | secondWaveColor = new Paint();
110 | secondWaveColor.setAntiAlias(true);
111 | secondWaveColor.setStrokeWidth(2);
112 | secondWaveColor.setColor(Color.parseColor("#2196F3"));
113 |
114 | handler = new Handler();
115 | handler.postDelayed(new WaveRunnable(), 16);
116 | }
117 |
118 | @Override
119 | protected void onDraw(Canvas canvas) {
120 | super.onDraw(canvas);
121 |
122 | canvas.drawColor(Color.parseColor("#BBDEFB"));
123 | quadrant = getHeight()/3;
124 | width = canvas.getWidth();
125 |
126 | firstWavePath.moveTo(0, getHeight());
127 | secondWavePath.moveTo(0, getHeight());
128 | firstWavePath.lineTo(0, quadrant);
129 | secondWavePath.lineTo(0, quadrant*2);
130 |
131 | for (int i = 0; i < width + 10; i = i + 10) {
132 | x = (float) i;
133 |
134 | y1 = quadrant + amplitude * (float) Math.sin(((i + 10) * Math.PI / frequency) + shift);
135 | y2 = quadrant * 2 + amplitude * (float) Math.sin(((i + 10) * Math.PI / frequency) + shift);
136 |
137 | firstWavePath.lineTo(x, y1);
138 | secondWavePath.lineTo(x, y2);
139 | }
140 | firstWavePath.lineTo(getWidth(), getHeight());
141 | secondWavePath.lineTo(getWidth(), getHeight());
142 | canvas.drawPath(firstWavePath, firstWaveColor);
143 | canvas.drawPath(secondWavePath, secondWaveColor);
144 | }
145 |
146 |
147 | private class WaveRunnable implements Runnable {
148 |
149 | /**
150 | * This runnable helps to run animation in an infinite loop
151 | */
152 | @Override
153 | public void run() {
154 | firstWavePath.reset();
155 | secondWavePath.reset();
156 | shift = shift + speed;
157 | invalidate();
158 | handler.postDelayed(new WaveRunnable(), 16);
159 | }
160 | }
161 |
162 | public void setSpeed(float speed) {
163 | this.speed = speed/8;
164 | invalidate();
165 | }
166 |
167 | public void setAmplitude(int amplitude) {
168 | this.amplitude = amplitude * 20;
169 | invalidate();
170 | }
171 | }
172 |
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/library/src/main/res/values/attrs.xml:
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1 |
2 |
3 |
4 |
5 |
6 |
7 |
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/library/src/main/res/values/strings.xml:
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1 |
2 | library
3 |
4 |
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/screenshots/screenshot.png:
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https://raw.githubusercontent.com/developer-shivam/WaveView/1fe4a6420d76f816e115e104113f1bea7141fa92/screenshots/screenshot.png
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/screenshots/wave_gif.gif:
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https://raw.githubusercontent.com/developer-shivam/WaveView/1fe4a6420d76f816e115e104113f1bea7141fa92/screenshots/wave_gif.gif
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/settings.gradle:
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1 | include ':app', ':library'
2 |
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