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Android開發中如何實現調用Camera？相信很多沒有經驗的人對此束手無策，為此本文總結了問題出現的原因和解決方法，通過這篇文章希望你能解決這個問題。
xml：
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="vertical" >
<Button
android:id="@+id/button_cameraButton"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="拍照" />
<Button
android:id="@+id/button_photoButton"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="相冊" />
<ImageView
android:id="@+id/imageview_preview"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:layout_gravity="center"
android:src="@drawable/ic_launcher" />
</LinearLayout>activity：
package com.wj.cameratest;
import java.io.File;
import android.app.Activity;
import android.content.Intent;
import android.graphics.drawable.Drawable;
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 CameraShowActivity extends Activity {
private ImageView mImageView;
private Button mButtonCamera;
private Button mButtonPhoto;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_camera_show);
mImageView = (ImageView) this.findViewById(R.id.imageview_preview);
mButtonCamera = (Button) this.findViewById(R.id.button_cameraButton);
mButtonPhoto = (Button) this.findViewById(R.id.button_photoButton);
mButtonCamera.setOnClickListener(new OnClickListener() { //打開Camera
@Override
public void onClick(View v) {
Intent intent = new Intent("android.media.action.IMAGE_CAPTURE");
intent.putExtra(MediaStore.EXTRA_OUTPUT,
Uri.fromFile(new File(Environment
.getExternalStorageDirectory(), "camera.jpg")));
intent.putExtra(MediaStore.EXTRA_VIDEO_QUALITY, 0);
startActivityForResult(intent, 10);
}
});
mButtonPhoto.setOnClickListener(new OnClickListener() { //獲取相冊
@Override
public void onClick(View v) {
Intent intent = new Intent(Intent.ACTION_GET_CONTENT);
intent.addCategory(Intent.CATEGORY_OPENABLE);
intent.setType("image/*");
intent.putExtra("crop", "true");
intent.putExtra("aspectX",1);
intent.putExtra("aspectY",1);
intent.putExtra("outputX", 80);
intent.putExtra("outputY", 80);
intent.putExtra("return-data",true);
startActivityForResult(intent, 11);
}
});
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
if (requestCode == 10 && resultCode == Activity.RESULT_OK) {
this.mImageView.setImageDrawable(Drawable.createFromPath(new File(
Environment.getExternalStorageDirectory(), "camera.jpg")
.getAbsolutePath()));
System.out.println("data-->"+data);
}else if (requestCode == 11 && resultCode ==Activity.RESULT_OK) {
System.out.println("data2-->"+data);
}
}
}Manifest.xml
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.wj.cameratest"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk
android:minSdkVersion="8"
android:targetSdkVersion="15" />
<uses-permission android:name="android.permission.CAMERA" />
<uses-permission android:name="android.permission.MOUNT_UNMOUNT_FILESYSTEMS" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<uses-feature android:name="android.hardware.camera" />
<uses-feature android:name="android.hardware.camera.autofocus" />
<application
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@style/AppTheme" >
<activity
android:name=".CameraShowActivity"
android:label="@string/title_activity_camera_show" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
</manifest>android 調用相冊里的圖片并返回
Intent intent=new Intent(Intent.ACTION_GET_CONTENT);
intent.addCategory(Intent.CATEGORY_OPENABLE);
intent.setType("image/*");
intent.putExtra("crop", "true");
intent.putExtra("aspectX", 1);
intent.putExtra("aspectY", 1);
intent.putExtra("outputX", 80);
intent.putExtra("outputY", 80);
intent.putExtra("return-data", true);
startActivityForResult(intent, 0);在原來的Activity中如下獲取選到的圖片：
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
System.out.println(resultCode);
Bitmap cameraBitmap = (Bitmap) data.getExtras().get("data");
super.onActivityResult(requestCode, resultCode, data);
}看完上述內容，你們掌握Android開發中如何實現調用Camera的方法了嗎？如果還想學到更多技能或想了解更多相關內容，歡迎關注億速云行業資訊頻道，感謝各位的閱讀！
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