commit
2cd46aacdf
@ -1,45 +0,0 @@
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apply plugin: 'com.android.application'
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android {
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compileSdk 30
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buildToolsVersion '30.0.3'
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useLibrary'org.apache.http.legacy'
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defaultConfig {
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applicationId "net.micode.notes"
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minSdkVersion 22
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//noinspection ExpiredTargetSdkVersion
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targetSdkVersion 30
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}
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buildTypes {
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release {
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minifyEnabled false
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proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.txt'
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}
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}
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sourceSets{
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main(){
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jniLibs.srcDirs = ['libs']
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}
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}
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compileOptions {
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sourceCompatibility JavaVersion.VERSION_1_8
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targetCompatibility JavaVersion.VERSION_1_8
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}
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}
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dependencies {
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implementation 'com.android.support:appcompat-v7:28.0.0'
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implementation 'com.android.support.constraint:constraint-layout:2.0.4'
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implementation files('libs\\Msc.jar')
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implementation "androidx.drawerlayout:drawerlayout:1.1.1"
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implementation 'com.android.support:design:29.1.1'
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implementation 'com.zhihu.android:matisse:0.5.2-beta4'
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implementation 'com.github.bumptech.glide:glide:4.8.0'
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annotationProcessor 'com.github.bumptech.glide:compiler:4.8.0'
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implementation 'com.simple:spiderman:1.0.2'
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implementation 'com.android.support.constraint:constraint-layout:2.0.4'
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testImplementation 'junit:junit:4.12'
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androidTestImplementation 'com.android.support.test:runner:1.0.2'
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androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
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}
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@ -0,0 +1,117 @@
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package net.micode.notes.ui;
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import static net.micode.notes.tool.DataUtils.TAG;
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import android.app.Activity;
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import android.graphics.Bitmap;
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import android.graphics.Canvas;
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import android.graphics.Color;
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import android.graphics.Matrix;
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import android.graphics.Paint;
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import android.os.Bundle;
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import android.os.Environment;
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import android.util.Log;
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import android.view.MotionEvent;
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import android.view.View;
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import android.widget.Button;
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import android.widget.ImageView;
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import net.micode.notes.R;
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import java.io.File;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import java.io.OutputStream;
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public class DrawActivity extends Activity {
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private ImageView img;
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private Bitmap mBitmap;
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private Canvas canvas;
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private Paint paint;
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// 重置按钮
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private Button reset_btn;
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private Button save_paint;
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@Override
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protected void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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setContentView(R.layout.activity_second);
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img = (ImageView) findViewById(R.id.draw);
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reset_btn = (Button) findViewById(R.id.reset);
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reset_btn.setOnClickListener(new View.OnClickListener() {
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@Override
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public void onClick(View v) {
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img.setImageBitmap(null);
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showImage();
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}
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});
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save_paint = (Button)findViewById(R.id.save);
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save_paint.setOnClickListener(new View.OnClickListener() {
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@Override
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public void onClick(View view) {
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//save();
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finish();
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}
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});
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// 绘图
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showImage();
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}
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private void showImage() {
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// 创建一张空白图片
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mBitmap = Bitmap.createBitmap(720, 1280, Bitmap.Config.ARGB_8888);
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// 创建一张画布
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canvas = new Canvas(mBitmap);
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// 画布背景为白色
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canvas.drawColor(Color.WHITE);
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// 创建画笔
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paint = new Paint();
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// 画笔颜色为蓝色
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paint.setColor(Color.BLUE);
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// 宽度5个像素
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paint.setStrokeWidth(5);
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// 先将白色背景画上
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canvas.drawBitmap(mBitmap, new Matrix(), paint);
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img.setImageBitmap(mBitmap);
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img.setOnTouchListener(new View.OnTouchListener() {
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int startX;
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int startY;
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@Override
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public boolean onTouch(View v, MotionEvent event) {
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switch (event.getAction()) {
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case MotionEvent.ACTION_DOWN:
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// 获取手按下时的坐标
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startX = (int) event.getX();
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startY = (int) event.getY();
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break;
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case MotionEvent.ACTION_MOVE:
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// 获取手移动后的坐标
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int endX = (int) event.getX();
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int endY = (int) event.getY();
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// 在开始和结束坐标间画一条线
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canvas.drawLine(startX, startY, endX, endY, paint);
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// 刷新开始坐标
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startX = (int) event.getX();
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startY = (int) event.getY();
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img.setImageBitmap(mBitmap);
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break;
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}
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return true;
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}
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});
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}
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public void save() {
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File file = new File(Environment.getExternalStorageDirectory(),
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System.currentTimeMillis() + ".jpg");
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OutputStream stream;
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Log.i(TAG, Environment.getExternalStorageDirectory().toString());
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try {
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stream = new FileOutputStream(file);
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mBitmap.compress(Bitmap.CompressFormat.JPEG, 200, stream);
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stream.close();
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} catch (IOException e) {
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e.printStackTrace();
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}
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}
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}
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@ -0,0 +1,32 @@
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<?xml version="1.0" encoding="utf-8"?>
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<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
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xmlns:app="http://schemas.android.com/apk/res-auto"
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xmlns:tools="http://schemas.android.com/tools"
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android:id="@+id/img"
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android:layout_width="match_parent"
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android:layout_height="match_parent"
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android:orientation="vertical">
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<ImageView
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android:id="@+id/draw"
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android:layout_width="wrap_content"
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android:layout_height="wrap_content"
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android:layout_weight="2"
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tools:src="@tools:sample/backgrounds/scenic" />
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<Button
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android:id="@+id/reset"
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android:layout_width="200dp"
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android:layout_height="129dp"
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android:layout_weight="1"
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android:text="Button"
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android:layout_gravity="center|center_vertical"/>
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<Button
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android:id="@+id/save"
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android:layout_width="wrap_content"
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android:layout_height="wrap_content"
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android:layout_weight="2"
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android:text="Button" />
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</LinearLayout>
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Loading…
Reference in new issue