Android 截取本地图库图片并显示

package com.example.image;

import android.app.Activity;

import android.content.Intent;

import android.graphics.Bitmap;

import android.os.Bundle;

import android.view.View;

import android.view.View.OnClickListener;

import android.widget.ImageView;

public class MainActivity extends Activity {

	private static final int REQUEST_OK=1;	//返回

	private ImageView mImageView;

	@Override

	protected void onCreate(Bundle savedInstanceState) {

		super.onCreate(savedInstanceState);

		setContentView(R.layout.activity_main);

		mImageView = (ImageView) findViewById(R.id.iv);

		findViewById(R.id.btn).setOnClickListener(new OnClickListener() {

			@Override

			public void onClick(View v) {

				Intent intent = new Intent(Intent.ACTION_GET_CONTENT, null);

				intent.setType("image/*");

				intent.putExtra("crop", "true");

				intent.putExtra("aspectX", 1);	//控制横纵比

				intent.putExtra("aspectY", 1);

				intent.putExtra("outputX", 300);	//控制大小    影响截取部分显示的清晰度,值大一些相对来说清晰度高一些.

				intent.putExtra("outputY", 300);

				intent.putExtra("scale", true);

				intent.putExtra("return-data", true);

				intent.putExtra("outputFormat",

						Bitmap.CompressFormat.JPEG.toString());

				intent.putExtra("noFaceDetection", true); // no face detection

				startActivityForResult(intent,REQUEST_OK);

			}

		});

	}

	@Override

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

		super.onActivityResult(requestCode, resultCode, data);

		if (resultCode == RESULT_OK) {

			if (requestCode == REQUEST_OK) {

				Bundle bundle = data.getExtras();

				Bitmap bitmap = (Bitmap) bundle.get("data");

				mImageView.setImageBitmap(bitmap);

			}

		}

	}

}

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Android 截取本地图库图片并显示

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巴特西

Android 截取本地图库图片 并显示

最新文章

热门文章

Android 截取本地图库图片并显示