截取控件和屏幕图片并保存

来源：互联网发布：软件项目介绍ppt模板编辑：程序博客网时间：2024/05/16 17:03

代码主要实现了截取屏幕图片或者某个特定控件所在区域的图片，并保存到本地SD中，代码很简单，就不再进行具体的描述了。

效果图
SaveScreenActivity.java代码

package com.shi.androidstudio.savescreen;import android.graphics.Bitmap;import android.graphics.Canvas;import android.os.Bundle;import android.support.annotation.Nullable;import android.support.design.widget.Snackbar;import android.support.v7.app.AppCompatActivity;import android.view.View;import android.widget.Button;import android.widget.ImageView;import java.io.FileNotFoundException;import java.io.FileOutputStream;import java.security.InvalidParameterException;/** *  截取图片并保存 * @author SHI * @time 2016/12/27 10:37 */public class SaveScreenActivity extends AppCompatActivity {    Button btn_saveScreen;    Button btn_saveViewScreen;    ImageView imageView;    View rootView;    @Override    protected void onCreate(@Nullable Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        rootView = View.inflate(this, R.layout.activity_save_screen, null);        setContentView(rootView);        btn_saveScreen = (Button) findViewById(R.id.btn_saveScreen);        btn_saveViewScreen = (Button) findViewById(R.id.btn_saveViewScreen);        imageView = (ImageView) findViewById(R.id.imageView);        btn_saveScreen.setOnClickListener(new View.OnClickListener() {            @Override            public void onClick(View v) {                saveScreenImage(getWindow().getDecorView(), "/sdcard/saveScreen.png");            }        });        btn_saveViewScreen.setOnClickListener(new View.OnClickListener() {            @Override            public void onClick(View v) {                saveScreenImage(imageView, "/sdcard/saveViewScreen.png");            }        });    }    private void saveScreenImage(View v, String filePath) {        try {            Bitmap bitmap = Bitmap.createBitmap(v.getWidth(), v.getHeight(), Bitmap.Config.ARGB_8888);            Canvas canvas = new Canvas();            canvas.setBitmap(bitmap);            v.draw(canvas);            try {                FileOutputStream fos = new FileOutputStream(filePath);                bitmap.compress(Bitmap.CompressFormat.PNG, 100, fos);                show("截图保存成功");            } catch (FileNotFoundException e) {                throw new InvalidParameterException();            }        } catch (Exception e) {            e.printStackTrace();        }    }    private void show(String msg) {        Snackbar.make(rootView, msg, Snackbar.LENGTH_SHORT).show();    }}

activity_save_screen.xml

<LinearLayout 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:gravity="center_horizontal"    android:orientation="vertical"    android:padding="10dp"    tools:context=".SaveScreenActivity">    <ImageView        android:id="@+id/imageView"        android:layout_width="100dp"        android:layout_height="100dp"        android:src="@mipmap/icon" />    <Button        android:id="@+id/btn_saveViewScreen"        style="?android:textAppearanceSmall"        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:layout_marginTop="16dp"        android:text="@string/btn_saveViewScreen"        android:textStyle="bold" />    <Button        android:id="@+id/btn_saveScreen"        style="?android:textAppearanceSmall"        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:layout_marginTop="16dp"        android:text="@string/btn_saveScreen"        android:textStyle="bold" /></LinearLayout>

最后附上

demo下载地址

github项目地址

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