通過隱式Intent呼叫相簿和呼叫相機 獲取圖片
阿新 • • 發佈:2019-01-10
package com.zdsoft.picture1202; import android.content.DialogInterface; import android.content.Intent; import android.support.v7.app.AlertDialog; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.view.View; import android.widget.Button; import android.widget.Toast; public class MainActivity extends AppCompatActivity { private Button bt_pic; private final int RC_CAMERA = 1; private final int RC_ALBUM = 2; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); initView(); bt_pic.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { openPictuer(); } }); } private void initView() { bt_pic = (Button) findViewById(R.id.bt_pic); } private void openPictuer() { AlertDialog.Builder builder = new AlertDialog.Builder(MainActivity.this); builder.setTitle("請選擇"); builder.setItems(new String[]{"相機", "相簿"}, new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { switch (which) { case 0: //相機 Intent intent_camera = new Intent("android.media.action.IMAGE_CAPTURE"); startActivityForResult(intent_camera, RC_CAMERA); break; case 1: //相簿 Intent intent_album = new Intent(Intent.ACTION_PICK); intent_album.setType("image/*"); startActivityForResult(intent_album,RC_ALBUM); break; } } }); builder.create().show(); } @Override protected void onActivityResult(int requestCode, int resultCode, Intent data) { switch (requestCode){ case RC_CAMERA: Toast.makeText(MainActivity.this, "相機回撥", Toast.LENGTH_SHORT).show(); break; case RC_ALBUM: Toast.makeText(MainActivity.this, "相簿回撥", Toast.LENGTH_SHORT).show(); break; default:break; } } }
<?xml version="1.0" encoding="utf-8"?> <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" android:paddingBottom="@dimen/activity_vertical_margin" android:paddingLeft="@dimen/activity_horizontal_margin" android:paddingRight="@dimen/activity_horizontal_margin" android:paddingTop="@dimen/activity_vertical_margin" tools:context="com.zdsoft.picture1202.MainActivity"> <Button android:id="@+id/bt_pic" android:layout_width="match_parent" android:layout_height="wrap_content" android:text="選擇圖片" /> </RelativeLayout>