การบีบอัดภาพด้วย SiliCompress

build.gradle (Project: MyApplication)

// Top-level build file where you can add configuration options common to all sub-projects/modules.

buildscript {
    
    repositories {
        google()
        jcenter()
    }
    dependencies {
        classpath 'com.android.tools.build:gradle:3.1.4'
        

        // NOTE: Do not place your application dependencies here; they belong
        // in the individual module build.gradle files
    }
}

allprojects {
    repositories {
        google()
        jcenter()
        maven { url 'https://jitpack.io' }
    }
}

task clean(type: Delete) {
    delete rootProject.buildDir
}

// Top-level build file where you can add configuration options common to all sub-projects/modules.

buildscript {

repositories {

google()

jcenter()

}

dependencies {

classpath 'com.android.tools.build:gradle:3.1.4'

// NOTE: Do not place your application dependencies here; they belong

// in the individual module build.gradle files

}

allprojects {

repositories {

google()

jcenter()

maven { url 'https://jitpack.io' }

}

task clean(type: Delete) {

delete rootProject.buildDir

}

build.gradle (Module: app)

apply plugin: 'com.android.application'

android {
    compileSdkVersion 26
    defaultConfig {
        applicationId "com.phaisarn.myapplication"
        minSdkVersion 21
        targetSdkVersion 26
        versionCode 1
        versionName "1.0"
        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
    }
    buildTypes {
        release {
            minifyEnabled false
            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
        }
    }
}

dependencies {
    implementation fileTree(dir: 'libs', include: ['*.jar'])
    implementation 'com.android.support:appcompat-v7:26.1.0'
    implementation 'com.android.support.constraint:constraint-layout:1.1.3'
    implementation 'com.android.support:design:26.1.0'
    testImplementation 'junit:junit:4.12'
    androidTestImplementation 'com.android.support.test:runner:1.0.2'
    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'

    implementation 'com.iceteck.silicompressorr:silicompressor:2.0'
    implementation 'com.github.vansikrishna:Multimager:1.0.6'
    implementation 'com.snatik:storage:2.1.0'
}

apply plugin: 'com.android.application'

android {

compileSdkVersion 26

defaultConfig {

applicationId "com.phaisarn.myapplication"

minSdkVersion 21

targetSdkVersion 26

versionCode 1

versionName "1.0"

testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"

}

buildTypes {

release {

minifyEnabled false

proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'

}

dependencies {

implementation fileTree(dir: 'libs', include: ['*.jar'])

implementation 'com.android.support:appcompat-v7:26.1.0'

implementation 'com.android.support.constraint:constraint-layout:1.1.3'

implementation 'com.android.support:design:26.1.0'

testImplementation 'junit:junit:4.12'

androidTestImplementation 'com.android.support.test:runner:1.0.2'

androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'

implementation 'com.iceteck.silicompressorr:silicompressor:2.0'

implementation 'com.github.vansikrishna:Multimager:1.0.6'

implementation 'com.snatik:storage:2.1.0'

}

content_main.xml

<?xml version="1.0" encoding="utf-8"?>
<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:layout_margin="10dp"
    app:layout_behavior="@string/appbar_scrolling_view_behavior"
    tools:context="com.example.user.tn_silicompressor.MainActivity"
    tools:showIn="@layout/activity_main">

    <GridLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:columnCount="1">

        <Button
            android:id="@+id/bt_select"
            android:layout_gravity="center_horizontal"
            android:layout_marginBottom="20dp"
            android:text="Select Image" />

        <TextView
            android:id="@+id/text_src"
            android:layout_gravity="center_horizontal"
            android:layout_marginBottom="5dp"
            android:text="Source Image"
            android:textSize="18sp" />

        <ImageView
            android:id="@+id/img_src"
            android:layout_width="match_parent"
            android:layout_height="200dp"
            android:layout_gravity="center_horizontal"
            android:layout_marginBottom="10dp"
            android:scaleType="centerCrop"
            android:src="@mipmap/ic_launcher" />

        <TextView
            android:id="@+id/text_comp"
            android:layout_gravity="center_horizontal"
            android:layout_marginBottom="5dp"
            android:text="Compressed Image"
            android:textSize="18sp" />

        <ImageView
            android:id="@+id/img_comp"
            android:layout_width="match_parent"
            android:layout_height="200dp"
            android:layout_gravity="center_horizontal"
            android:scaleType="centerCrop"
            android:src="@mipmap/ic_launcher" />
    </GridLayout>
</ScrollView>

<?xml version="1.0" encoding="utf-8"?>

<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"

xmlns:app="http://schemas.android.com/apk/res-auto"

xmlns:tools="http://schemas.android.com/tools"

android:layout_width="match_parent"

android:layout_height="match_parent"

android:layout_margin="10dp"

app:layout_behavior="@string/appbar_scrolling_view_behavior"

tools:context="com.example.user.tn_silicompressor.MainActivity"

tools:showIn="@layout/activity_main">

<GridLayout

android:layout_width="match_parent"

android:layout_height="match_parent"

android:columnCount="1">

<Button

android:id="@+id/bt_select"

android:layout_gravity="center_horizontal"

android:layout_marginBottom="20dp"

android:text="Select Image" />

<TextView

android:id="@+id/text_src"

android:layout_gravity="center_horizontal"

android:layout_marginBottom="5dp"

android:text="Source Image"

android:textSize="18sp" />

<ImageView

android:id="@+id/img_src"

android:layout_width="match_parent"

android:layout_height="200dp"

android:layout_gravity="center_horizontal"

android:layout_marginBottom="10dp"

android:scaleType="centerCrop"

android:src="@mipmap/ic_launcher" />

<TextView

android:id="@+id/text_comp"

android:layout_gravity="center_horizontal"

android:layout_marginBottom="5dp"

android:text="Compressed Image"

android:textSize="18sp" />

<ImageView

android:id="@+id/img_comp"

android:layout_width="match_parent"

android:layout_height="200dp"

android:layout_gravity="center_horizontal"

android:scaleType="centerCrop"

android:src="@mipmap/ic_launcher" />

</GridLayout>

</ScrollView>

MainActivity.java

package com.phaisarn.myapplication;

import android.os.Bundle;
import android.support.design.widget.FloatingActionButton;
import android.support.design.widget.Snackbar;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.Toolbar;
import android.view.View;
import android.view.Menu;
import android.view.MenuItem;
import android.content.Intent;
import android.graphics.Bitmap;
import android.net.Uri;
import android.widget.ImageView;
import android.widget.TextView;

import com.iceteck.silicompressorr.SiliCompressor;
import com.snatik.storage.Storage;
import com.snatik.storage.helpers.SizeUnit;
import com.vlk.multimager.activities.GalleryActivity;
import com.vlk.multimager.utils.Constants;
import com.vlk.multimager.utils.Image;
import com.vlk.multimager.utils.Params;

import java.io.File;
import java.util.ArrayList;
import java.util.List;
import java.text.DecimalFormat;

public class MainActivity extends AppCompatActivity {
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
        setSupportActionBar(toolbar);

        FloatingActionButton fab = (FloatingActionButton) findViewById(R.id.fab);
        fab.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                Snackbar.make(view, "Replace with your own action", Snackbar.LENGTH_LONG)
                        .setAction("Action", null).show();
            }
        });
        fab.hide();

        findViewById(R.id.bt_select).setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                onButtonClick();
            }
        });
    }

    private void onButtonClick() {
        //ให้แสดง Gallery เพื่อเลือกภาพ
        Intent intent = new Intent(this, GalleryActivity.class);
        Params params = new Params();
        params.setPickerLimit(1);   //ให้เลือกได้เพียงภาพเดียว
        intent.putExtra(Constants.KEY_PARAMS, params);
        startActivityForResult(intent, Constants.TYPE_MULTI_PICKER);
    }

    @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent intent) {
        if (resultCode != RESULT_OK) {
            return;
        }

        if (requestCode == Constants.TYPE_MULTI_PICKER) {
            ArrayList<Image> images = intent.getParcelableArrayListExtra(
                    Constants.KEY_BUNDLE_LIST);

            String path = images.get(0).imagePath;  //พาธของภาพที่เลือก

            //แสดงภาพต้นฉบับ (ยังไม่บีบอัด) ใน ImageView
            ImageView imgSrc = (ImageView) findViewById(R.id.img_src);
            imgSrc.setImageURI(Uri.parse(path));

            //อ่านขนาดของไฟล์ภาพต้นฉบับ
            Storage storage = new Storage(this);
            double size = storage.getSize(new File(path), SizeUnit.MB);
            String strSize = DecimalFormat.getInstance().format(size);
            TextView textSrc = (TextView) findViewById(R.id.text_src);
            textSrc.setText("Source Image : (" + strSize + " MB)");

            //ต่อไปจะเกี่ยวกับภาพที่บีบอัด
            try {
                //บีบอัดภาพที่เลือกมา
                Bitmap bmp = SiliCompressor.with(this)
                        .getCompressBitmap(images.get(0).imagePath);

                //แสดงภาพที่บีบอัดแล้วใน ImageView
                ImageView imgComp = (ImageView) findViewById(R.id.img_comp);
                imgComp.setImageBitmap(bmp);

                //ตำแหน่งที่เก็บไฟล์สำรองของ SiliCompressor
                path = storage.getExternalStorageDirectory() + "/Silicompressor/images";

                //อ่านรายชื่อไฟล์จากตำแหน่งที่เก็บไฟล์สำรองของ SiliCompressor
                List<File> files = storage.getNestedFiles(path);

                path = files.get(0).getPath();  //เลือกแค่ไฟล์แรก

                //อ่านขนาดของไฟล์สำรองเพื่อแสดงใน TextView
                size = storage.getSize(new File(path), SizeUnit.MB);
                strSize = DecimalFormat.getInstance().format(size);
                TextView textComp = (TextView) findViewById(R.id.text_comp);
                textComp.setText("Compressed Image : (" + strSize + " MB)");

                //ลบไฟล์สำรองนั้นทิ้งไป
                storage.deleteFile(path);
            } catch (Exception ex) {
            }
        }
    }

    @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);
    }
}

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package com.phaisarn.myapplication;

import android.os.Bundle;

import android.support.design.widget.FloatingActionButton;

import android.support.design.widget.Snackbar;

import android.support.v7.app.AppCompatActivity;

import android.support.v7.widget.Toolbar;

import android.view.View;

import android.view.Menu;

import android.view.MenuItem;

import android.content.Intent;

import android.graphics.Bitmap;

import android.net.Uri;

import android.widget.ImageView;

import android.widget.TextView;

import com.iceteck.silicompressorr.SiliCompressor;

import com.snatik.storage.Storage;

import com.snatik.storage.helpers.SizeUnit;

import com.vlk.multimager.activities.GalleryActivity;

import com.vlk.multimager.utils.Constants;

import com.vlk.multimager.utils.Image;

import com.vlk.multimager.utils.Params;

import java.io.File;

import java.util.ArrayList;

import java.util.List;

import java.text.DecimalFormat;

public class MainActivity extends AppCompatActivity {

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_main);

Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);

setSupportActionBar(toolbar);

FloatingActionButton fab = (FloatingActionButton) findViewById(R.id.fab);

fab.setOnClickListener(new View.OnClickListener() {

@Override

public void onClick(View view) {

Snackbar.make(view, "Replace with your own action", Snackbar.LENGTH_LONG)

.setAction("Action", null).show();

}

});

fab.hide();

findViewById(R.id.bt_select).setOnClickListener(new View.OnClickListener() {

@Override

public void onClick(View v) {

onButtonClick();

}

});

}

private void onButtonClick() {

//ให้แสดง Gallery เพื่อเลือกภาพ

Intent intent = new Intent(this, GalleryActivity.class);

Params params = new Params();

params.setPickerLimit(1); //ให้เลือกได้เพียงภาพเดียว

intent.putExtra(Constants.KEY_PARAMS, params);

startActivityForResult(intent, Constants.TYPE_MULTI_PICKER);

}

@Override

protected void onActivityResult(int requestCode, int resultCode, Intent intent) {

if (resultCode != RESULT_OK) {

return;

}

if (requestCode == Constants.TYPE_MULTI_PICKER) {

ArrayList<Image> images = intent.getParcelableArrayListExtra(

Constants.KEY_BUNDLE_LIST);

String path = images.get(0).imagePath; //พาธของภาพที่เลือก

//แสดงภาพต้นฉบับ (ยังไม่บีบอัด) ใน ImageView

ImageView imgSrc = (ImageView) findViewById(R.id.img_src);

imgSrc.setImageURI(Uri.parse(path));

//อ่านขนาดของไฟล์ภาพต้นฉบับ

Storage storage = new Storage(this);

double size = storage.getSize(new File(path), SizeUnit.MB);

String strSize = DecimalFormat.getInstance().format(size);

TextView textSrc = (TextView) findViewById(R.id.text_src);

textSrc.setText("Source Image : (" + strSize + " MB)");

//ต่อไปจะเกี่ยวกับภาพที่บีบอัด

try {

//บีบอัดภาพที่เลือกมา

Bitmap bmp = SiliCompressor.with(this)

.getCompressBitmap(images.get(0).imagePath);

//แสดงภาพที่บีบอัดแล้วใน ImageView

ImageView imgComp = (ImageView) findViewById(R.id.img_comp);

imgComp.setImageBitmap(bmp);

//ตำแหน่งที่เก็บไฟล์สำรองของ SiliCompressor

path = storage.getExternalStorageDirectory() + "/Silicompressor/images";

//อ่านรายชื่อไฟล์จากตำแหน่งที่เก็บไฟล์สำรองของ SiliCompressor

List<File> files = storage.getNestedFiles(path);

path = files.get(0).getPath(); //เลือกแค่ไฟล์แรก

//อ่านขนาดของไฟล์สำรองเพื่อแสดงใน TextView

size = storage.getSize(new File(path), SizeUnit.MB);

strSize = DecimalFormat.getInstance().format(size);

TextView textComp = (TextView) findViewById(R.id.text_comp);

textComp.setText("Compressed Image : (" + strSize + " MB)");

//ลบไฟล์สำรองนั้นทิ้งไป

storage.deleteFile(path);

} catch (Exception ex) {

}

@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);

}

Phaisarn Sutheebanjard

blog.phaisarn.com

การบีบอัดภาพด้วย SiliCompress