Android手机拍照或选取图库图片作为头像

package zhangpgil.photo;
import java.io.File;
import android.support.v7.app.ActionBarActivity;
import android.view.View;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.Toast;
import android.content.Intent;
import android.graphics.Bitmap;
import android.net.Uri;
import android.os.Bundle;
import android.os.Environment;
import android.provider.MediaStore;
public class MainActivity extends ActionBarActivity {
  
  private static final String IMAGE_FILE_NAME = "temp_head_image.jpg";
  
  private static final int CODE_GALLERY_REQUEST = 0xa0;
  private static final int CODE_CAMERA_REQUEST = 0xa1;
  private static final int CODE_RESULT_REQUEST = 0xa2;
  // 裁剪后图片的宽(X)和高(Y),480 X 480的正方形。（生成bitmap貌似有时要报错？可试下把大小弄小点）
  private static int output_X = 480;
  private static int output_Y = 480;
  private ImageView headImage = null;
  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    headImage = (ImageView) findViewById(R.id.imageView);
    Button buttonLocal = (Button) findViewById(R.id.buttonLocal);
    buttonLocal.setOnClickListener(new View.OnClickListener() {
      @Override
      public void onClick(View v) {
        choseHeadImageFromGallery();
      }
    });
    Button buttonCamera = (Button) findViewById(R.id.buttonCamera);
    buttonCamera.setOnClickListener(new View.OnClickListener() {
      @Override
      public void onClick(View v) {
        choseHeadImageFromCameraCapture();
      }
    });
  }
  // 从本地相册选取图片作为头像
  private void choseHeadImageFromGallery() {
    Intent intentFromGallery = new Intent();
    // 设置文件类型
    intentFromGallery.setType("image
  public void cropRawPhoto(Uri uri) {
    Intent intent = new Intent("com.android.camera.action.CROP");
    intent.setDataAndType(uri, "image
  private void setImageToHeadView(Intent intent) {
    Bundle extras = intent.getExtras();
    if (extras != null) {
      Bitmap photo = extras.getParcelable("data");
      headImage.setImageBitmap(photo);
    }
  }
  
  public static boolean hasSdcard() {
    String state = Environment.getExternalStorageState();
    if (state.equals(Environment.MEDIA_MOUNTED)) {
      // 有存储的SDCard
      return true;
    } else {
      return false;
    }
  }
}

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
  android:layout_width="match_parent"
  android:layout_height="match_parent"
  android:orientation="vertical" >
  <ImageView
    android:id="@+id/imageView"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:class="lazy" data-src="@drawable/ic_launcher" />
  <Button
    android:id="@+id/buttonLocal"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:text="本地相册选取头像" />
  <Button
    android:id="@+id/buttonCamera"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:text="手机拍照选取头像" />
</LinearLayout>

以上所述就是本文的全部内容了，希望大家能够喜欢。

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