我正在尝试制作一个应用程序,它显示用户选择的图像,可以通过双击按钮进行设置。该应用程序确实要求我提供图像(这很好),但如果没有调用此 onActivityResult,我不知道如何在 ImageView 上设置它。主要活动:package com.forever.bobby.cheater20;import android.content.ActivityNotFoundException;import android.content.Intent;import android.graphics.Bitmap;import android.net.Uri;import android.provider.MediaStore;import android.support.v7.app.AppCompatActivity;import android.os.Bundle;import android.util.Log;import android.view.GestureDetector;import android.view.MotionEvent;import android.view.View;import android.widget.Button;import android.widget.ImageView;import com.tomerrosenfeld.customanalogclockview.CustomAnalogClock;public class MainActivity extends AppCompatActivity { private static final int PICK_IMAGE = 100; Button hiddenOnClickListener; ImageView img; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); img = findViewById(R.id.imageView); CustomAnalogClock customAnalogClock = (CustomAnalogClock) findViewById(R.id.analog_clock); customAnalogClock.setAutoUpdate(true); hiddenOnClickListener = (Button) findViewById(R.id.touchButtonHidden); hiddenOnClickListener.setOnClickListener(new DoubleClickListener() { @Override public void onSingleClick(View v) { Log.e ("mPressesOnce -_-",".."); } @Override public void onDoubleClick(View v) { Log.e ("mPressesTwice -_-",".."); openGallery(); } }); } private void openGallery () { Intent gallery = new Intent(Intent.ACTION_PICK, MediaStore.Images.Media.INTERNAL_CONTENT_URI); startActivityForResult(gallery, 0); } @Override protected void onActivityResult (int requestCode, int resultCode, Intent data) { super.onActivityResult(requestCode, resultCode,data); Log.e ("SHould Be Steeted","");
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