Android 調用相簿 拍照 實現系統控制項縮放 切割圖片

http://blog.csdn.net/xys289187120/article/details/6575830

android 下如果做處理圖片的軟體 可以調用系統的控制項 實現縮放切割圖片 非常好的效果 今天寫了一個demo分享給大家 嘿嘿。

[java]
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1. package cn.m15.test;
3. import java.io.ByteArrayOutputStream;
4. import java.io.File;
5. import android.app.Activity;
6. import android.content.Intent;
7. import android.graphics.Bitmap;
8. import android.net.Uri;
9. import android.os.Bundle;
10. import android.os.Environment;
11. import android.provider.MediaStore;
12. import android.view.View;
13. import android.view.View.OnClickListener;
14. import android.widget.Button;
15. import android.widget.ImageView;
17. public class testActivity
    extends Activity {
19. public static
    final int NONE =
    0;
20. public static
    final int PHOTOHRAPH = 1;// 拍照
21. public static
    final int PHOTOZOOM =
    2; // 縮放
22. public static
    final int PHOTORESOULT =
    3;// 結果
24. public static
    final String IMAGE_UNSPECIFIED = "image/*";
25. ImageView imageView = null;
26. Button button0 = null;
27. Button button1 = null;
29. @Override
30. public void onCreate(Bundle savedInstanceState) {
31. super.onCreate(savedInstanceState);
32. setContentView(R.layout.main);
33. imageView = (ImageView) findViewById(R.id.imageID);
34. button0 = (Button) findViewById(R.id.btn_01);
35. button1 = (Button) findViewById(R.id.btn_02);
37. button0.setOnClickListener(new OnClickListener() {
38. @Override
39. public void onClick(View v) {
40. Intent intent = new Intent(Intent.ACTION_PICK,
    null);
41. intent.setDataAndType(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, IMAGE_UNSPECIFIED);
42. startActivityForResult(intent, PHOTOZOOM);
43. }
44. });
46. button1.setOnClickListener(new OnClickListener() {
48. @Override
49. public void onClick(View v) {
50. Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
51. intent.putExtra(MediaStore.EXTRA_OUTPUT, Uri.fromFile(new File(Environment.getExternalStorageDirectory(),
    "temp.jpg")));
52. startActivityForResult(intent, PHOTOHRAPH);
53. }
54. });
55. }
57. @Override
58. protected void onActivityResult(int requestCode,
    int resultCode, Intent data) {
59. if (resultCode == NONE)
60. return;
61. // 拍照
62. if (requestCode == PHOTOHRAPH) {
63. //設定檔案儲存路徑這裡放在跟目錄下
64. File picture = new File(Environment.getExternalStorageDirectory() +
    "/temp.jpg");
65. startPhotoZoom(Uri.fromFile(picture));
66. }
68. if (data == null)
69. return;
71. // 讀取相簿縮放圖片
72. if (requestCode == PHOTOZOOM) {
73. startPhotoZoom(data.getData());
74. }
75. // 處理結果
76. if (requestCode == PHOTORESOULT) {
77. Bundle extras = data.getExtras();
78. if (extras != null) {
79. Bitmap photo = extras.getParcelable("data");
80. ByteArrayOutputStream stream = new ByteArrayOutputStream();
81. photo.compress(Bitmap.CompressFormat.JPEG, 75, stream);// (0 - 100)壓縮檔
82. imageView.setImageBitmap(photo);
83. }
85. }
87. super.onActivityResult(requestCode, resultCode, data);
88. }
90. public void startPhotoZoom(Uri uri) {
91. Intent intent = new Intent("com.android.camera.action.CROP");
92. intent.setDataAndType(uri, IMAGE_UNSPECIFIED);
93. intent.putExtra("crop",
    "true");
94. // aspectX aspectY 是寬高的比例
95. intent.putExtra("aspectX",
    1);
96. intent.putExtra("aspectY", 1);
97. // outputX outputY 是裁剪圖片寬高
98. intent.putExtra("outputX", 64);
99. intent.putExtra("outputY",
    64);
100. intent.putExtra("return-data",
     true);
101. startActivityForResult(intent, PHOTORESOULT);
102. }
103. }

package cn.m15.test;</p><p>import java.io.ByteArrayOutputStream;<br />import java.io.File;<br />import android.app.Activity;<br />import android.content.Intent;<br />import android.graphics.Bitmap;<br />import android.net.Uri;<br />import android.os.Bundle;<br />import android.os.Environment;<br />import android.provider.MediaStore;<br />import android.view.View;<br />import android.view.View.OnClickListener;<br />import android.widget.Button;<br />import android.widget.ImageView;</p><p>public class testActivity extends Activity {</p><p>public static final int NONE = 0;<br />public static final int PHOTOHRAPH = 1;// 拍照<br />public static final int PHOTOZOOM = 2; // 縮放<br />public static final int PHOTORESOULT = 3;// 結果</p><p>public static final String IMAGE_UNSPECIFIED = "image/*";<br />ImageView imageView = null;<br />Button button0 = null;<br />Button button1 = null;</p><p>@Override<br />public void onCreate(Bundle savedInstanceState) {<br />super.onCreate(savedInstanceState);<br />setContentView(R.layout.main);<br />imageView = (ImageView) findViewById(R.id.imageID);<br />button0 = (Button) findViewById(R.id.btn_01);<br />button1 = (Button) findViewById(R.id.btn_02);</p><p>button0.setOnClickListener(new OnClickListener() {<br />@Override<br />public void onClick(View v) {<br />Intent intent = new Intent(Intent.ACTION_PICK, null);<br />intent.setDataAndType(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, IMAGE_UNSPECIFIED);<br />startActivityForResult(intent, PHOTOZOOM);<br />}<br />});</p><p>button1.setOnClickListener(new OnClickListener() {</p><p>@Override<br />public void onClick(View v) {<br />Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);<br />intent.putExtra(MediaStore.EXTRA_OUTPUT, Uri.fromFile(new File(Environment.getExternalStorageDirectory(), "temp.jpg")));<br />startActivityForResult(intent, PHOTOHRAPH);<br />}<br />});<br />}</p><p>@Override<br />protected void onActivityResult(int requestCode, int resultCode, Intent data) {<br />if (resultCode == NONE)<br />return;<br />// 拍照<br />if (requestCode == PHOTOHRAPH) {<br />//設定檔案儲存路徑這裡放在跟目錄下<br />File picture = new File(Environment.getExternalStorageDirectory() + "/temp.jpg");<br />startPhotoZoom(Uri.fromFile(picture));<br />}</p><p>if (data == null)<br />return;</p><p>// 讀取相簿縮放圖片<br />if (requestCode == PHOTOZOOM) {<br />startPhotoZoom(data.getData());<br />}<br />// 處理結果<br />if (requestCode == PHOTORESOULT) {<br />Bundle extras = data.getExtras();<br />if (extras != null) {<br />Bitmap photo = extras.getParcelable("data");<br />ByteArrayOutputStream stream = new ByteArrayOutputStream();<br />photo.compress(Bitmap.CompressFormat.JPEG, 75, stream);// (0 - 100)壓縮檔<br />imageView.setImageBitmap(photo);<br />}</p><p>}</p><p>super.onActivityResult(requestCode, resultCode, data);<br />}</p><p>public void startPhotoZoom(Uri uri) {<br />Intent intent = new Intent("com.android.camera.action.CROP");<br />intent.setDataAndType(uri, IMAGE_UNSPECIFIED);<br />intent.putExtra("crop", "true");<br />// aspectX aspectY 是寬高的比例<br />intent.putExtra("aspectX", 1);<br />intent.putExtra("aspectY", 1);<br />// outputX outputY 是裁剪圖片寬高<br />intent.putExtra("outputX", 64);<br />intent.putExtra("outputY", 64);<br />intent.putExtra("return-data", true);<br />startActivityForResult(intent, PHOTORESOULT);<br />}<br />}[html]
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1. <?xml
   version="1.0"
   encoding="utf-8"?>
2. <LinearLayout
   xmlns:android="http://schemas.android.com/apk/res/android"
3. android:orientation="vertical"
   android:layout_width="fill_parent"
4. android:layout_height="fill_parent">
5. <TextView
   android:layout_width="fill_parent"
6. android:layout_height="wrap_content"
   android:text="@string/hello"
   />
7. <ImageView
   android:id="@+id/imageID"
8. android:adjustViewBounds="true"
   android:maxWidth="50dip"
9. android:maxHeight="50dip"
   android:layout_width="wrap_content"
10. android:layout_height="wrap_content"
    />
11. <Button
    android:id="@+id/btn_01"
    android:layout_height="50dip"
12. android:text="相簿"
    android:layout_width="150dip"/>
13. <Button
    android:id="@+id/btn_02"
    android:layout_height="50dip"
14. android:text="拍照"
    android:layout_width="150dip"/>
15. </LinearLayout>