Android 调用相册 拍照 实现系统控件缩放 切割图片

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1. 1. 
      
2. package cn.m15.test;
3. 
   
4. import java.io.ByteArrayOutputStream;
5. import java.io.File;
6. import android.app.Activity;
7. import android.content.Intent;
8. import android.graphics.Bitmap;
9. import android.net.Uri;
10. import android.os.Bundle;
11. import android.os.Environment;
12. import android.provider.MediaStore;
13. import android.view.View;
14. import android.view.View.OnClickListener;
15. import android.widget.Button;
16. import android.widget.ImageView;
17. 
    
18. public class testActivity extends Activity {
19. 
    
20. public static final int NONE = 0;
21. public static final int PHOTOHRAPH = 1;// 拍照
22. public static final int PHOTOZOOM = 2; // 缩放
23. public static final int PHOTORESOULT = 3;// 结果
24. 
    
25. public static final String IMAGE_UNSPECIFIED = "image/*";
26. ImageView imageView = null;
27. Button button0 = null;
28. Button button1 = null;
29. 
    
30. @Override
31. public void onCreate(Bundle savedInstanceState) {
32. super.onCreate(savedInstanceState);
33. setContentView(R.layout.main);
34. imageView = (ImageView) findViewById(R.id.imageID);
35. button0 = (Button) findViewById(R.id.btn_01);
36. button1 = (Button) findViewById(R.id.btn_02);
37. 
    
38. button0.setOnClickListener(new OnClickListener() {
39. @Override
40. public void onClick(View v) {
41. Intent intent = new Intent(Intent.ACTION_PICK, null);
42. intent.setDataAndType(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, IMAGE_UNSPECIFIED);
43. startActivityForResult(intent, PHOTOZOOM);
44. }
45. });
46. 
    
47. button1.setOnClickListener(new OnClickListener() {
48. 
    
49. @Override
50. public void onClick(View v) {
51. Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
52. intent.putExtra(MediaStore.EXTRA_OUTPUT, Uri.fromFile(new File(Environment.getExternalStorageDirectory(), "temp.jpg")));
53. startActivityForResult(intent, PHOTOHRAPH);
54. }
55. });
56. }
57. 
    
58. @Override
59. protected void onActivityResult(int requestCode, int resultCode, Intent data) {
60. if (resultCode == NONE)
61. return;
62. // 拍照
63. if (requestCode == PHOTOHRAPH) {
64. //设置文件保存路径这里放在跟目录下
65. File picture = new File(Environment.getExternalStorageDirectory() + "/temp.jpg");
66. startPhotoZoom(Uri.fromFile(picture));
67. }
68. 
    
69. if (data == null)
70. return;
71. 
    
72. // 读取相册缩放图片
73. if (requestCode == PHOTOZOOM) {
74. startPhotoZoom(data.getData());
75. }
76. // 处理结果
77. if (requestCode == PHOTORESOULT) {
78. Bundle extras = data.getExtras();
79. if (extras != null) {
80. Bitmap photo = extras.getParcelable("data");
81. ByteArrayOutputStream stream = new ByteArrayOutputStream();
82. photo.compress(Bitmap.CompressFormat.JPEG, 75, stream);// (0 - 100)压缩文件
83. imageView.setImageBitmap(photo);
84. }
85. 
    
86. }
87. 
    
88. super.onActivityResult(requestCode, resultCode, data);
89. }
90. 
    
91. public void startPhotoZoom(Uri uri) {
92. Intent intent = new Intent("com.android.camera.action.CROP");
93. intent.setDataAndType(uri, IMAGE_UNSPECIFIED);
94. intent.putExtra("crop", "true");
95. // aspectX aspectY 是宽高的比例
96. intent.putExtra("aspectX", 1);
97. intent.putExtra("aspectY", 1);
98. // outputX outputY 是裁剪图片宽高
99. intent.putExtra("outputX", 64);
100. intent.putExtra("outputY", 64);
101. intent.putExtra("return-data", true);
102. startActivityForResult(intent, PHOTORESOULT);
103. }
104. }
     1. 
        

package cn.m15.test;  import java.io.ByteArrayOutputStream; import java.io.File; import android.app.Activity; import android.content.Intent; import android.graphics.Bitmap; import android.net.Uri; import android.os.Bundle; import android.os.Environment; import android.provider.MediaStore; import android.view.View; import android.view.View.OnClickListener; import android.widget.Button; import android.widget.ImageView;  public class testActivity extends Activity {   public static final int NONE = 0;  public static final int PHOTOHRAPH = 1;// 拍照  public static final int PHOTOZOOM = 2; // 缩放  public static final int PHOTORESOULT = 3;// 结果   public static final String IMAGE_UNSPECIFIED = "image/*";  ImageView imageView = null;  Button button0 = null;  Button button1 = null;   @Override  public void onCreate(Bundle savedInstanceState) {   super.onCreate(savedInstanceState);   setContentView(R.layout.main);   imageView = (ImageView) findViewById(R.id.imageID);   button0 = (Button) findViewById(R.id.btn_01);   button1 = (Button) findViewById(R.id.btn_02);    button0.setOnClickListener(new OnClickListener() {    @Override    public void onClick(View v) {     Intent intent = new Intent(Intent.ACTION_PICK, null);     intent.setDataAndType(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, IMAGE_UNSPECIFIED);     startActivityForResult(intent, PHOTOZOOM);    }   });    button1.setOnClickListener(new OnClickListener() {     @Override    public void onClick(View v) {     Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);     intent.putExtra(MediaStore.EXTRA_OUTPUT, Uri.fromFile(new File(Environment.getExternalStorageDirectory(), "temp.jpg")));     startActivityForResult(intent, PHOTOHRAPH);    }   });  }   @Override  protected void onActivityResult(int requestCode, int resultCode, Intent data) {   if (resultCode == NONE)    return;   // 拍照   if (requestCode == PHOTOHRAPH) {    //设置文件保存路径这里放在跟目录下    File picture = new File(Environment.getExternalStorageDirectory() + "/temp.jpg");    startPhotoZoom(Uri.fromFile(picture));   }      if (data == null)    return;      // 读取相册缩放图片   if (requestCode == PHOTOZOOM) {    startPhotoZoom(data.getData());   }   // 处理结果   if (requestCode == PHOTORESOULT) {    Bundle extras = data.getExtras();    if (extras != null) {     Bitmap photo = extras.getParcelable("data");     ByteArrayOutputStream stream = new ByteArrayOutputStream();     photo.compress(Bitmap.CompressFormat.JPEG, 75, stream);// (0 - 100)压缩文件     imageView.setImageBitmap(photo);    }    }    super.onActivityResult(requestCode, resultCode, data);  }   public void startPhotoZoom(Uri uri) {   Intent intent = new Intent("com.android.camera.action.CROP");   intent.setDataAndType(uri, IMAGE_UNSPECIFIED);   intent.putExtra("crop", "true");   // aspectX aspectY 是宽高的比例   intent.putExtra("aspectX", 1);   intent.putExtra("aspectY", 1);   // outputX outputY 是裁剪图片宽高   intent.putExtra("outputX", 64);   intent.putExtra("outputY", 64);   intent.putExtra("return-data", true);   startActivityForResult(intent, PHOTORESOULT);  } }

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1. 1. 
      
2. <?xml version="1.0" encoding="utf-8"?>
3. <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
4. android:orientation="vertical" android:layout_width="fill_parent"
5. android:layout_height="fill_parent">
6. <TextView android:layout_width="fill_parent"
7. android:layout_height="wrap_content" android:text="@string/hello" />
8. <ImageView android:id="@+id/imageID"
9. android:adjustViewBounds="true" android:maxWidth="50dip"
10. android:maxHeight="50dip" android:layout_width="wrap_content"
11. android:layout_height="wrap_content" />
12. <Button android:id="@+id/btn_01" android:layout_height="50dip"
13. android:text="相册" android:layout_width="150dip"/>
14. <Button android:id="@+id/btn_02" android:layout_height="50dip"
15. android:text="拍照" android:layout_width="150dip"/>
16. </LinearLayout>
    1.