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画像を作成するための1つの画面から開始します。 my build mode ステンシルをクリックすると、このような新しいアクティビティが表示されますstencil picker 私のステンシルピッカーでは、スイッチケースを使用している写真にはonclickメソッドがあります。私が何をする必要があるのは、どの画像をクリックしてその画像を前のページに適用するかを覚えておくことです。ビルドモードに追加されたイメージを保存してお互いにスタックできるようにする必要があります（ただし、それは二次的な問題です）。 ここでビルドページ1つのアクティビティから別のアクティビティに画像を保存する方法
public class BuildMode extends AppCompatActivity
implements NavigationView.OnNavigationItemSelectedListener, AdapterView.OnItemSelectedListener {
private Button mStencilButton;
//private Button mColorButton;
private Button mUndoButton;
private Button mRedoButton;
private Spinner mColorSpinner;
private ImageView mImageView;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_build_mode);
Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
setSupportActionBar(toolbar);
//bit map to get stencil selected and place into build mode
// Bundle extras = getIntent().getExtras();
// byte[] byteArray = extras.getByteArray("picture");
// Bitmap bmp = BitmapFactory.decodeByteArray(byteArray, 0, byteArray.length);
// ImageView image = (ImageView) findViewById(R.id.egg_image);
// image.setImageBitmap(bmp);
DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
ActionBarDrawerToggle toggle = new ActionBarDrawerToggle(
this, drawer, toolbar, R.string.navigation_drawer_open, R.string.navigation_drawer_close);
drawer.setDrawerListener(toggle);
toggle.syncState();
NavigationView navigationView = (NavigationView) findViewById(R.id.nav_view);
navigationView.setNavigationItemSelectedListener(this);
mStencilButton = (Button) findViewById(R.id.stencil_button);
// mColorButton = (Button) findViewById(R.id.color_button);
mUndoButton = (Button) findViewById(R.id.undo_button);
mRedoButton = (Button) findViewById(R.id.redo_button);
mColorSpinner = (Spinner) findViewById(R.id.colors_spinner);
mColorSpinner.setOnItemSelectedListener(this);
mStencilButton.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Intent intent = new Intent(BuildMode.this, StencilList.class);
startActivity(intent);
}
});
mUndoButton.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
}
});
mRedoButton.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
}
});
mColorSpinner = (Spinner) findViewById(R.id.colors_spinner);
mColorSpinner.setOnItemSelectedListener(this);
}
@Override
public void onBackPressed() {
DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
if (drawer.isDrawerOpen(GravityCompat.START)) {
drawer.closeDrawer(GravityCompat.START);
} else {
super.onBackPressed();
}
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.build_mode, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
// Handle action bar item clicks here. The action bar will
// automatically handle clicks on the Home/Up button, so long
// as you specify a parent activity in AndroidManifest.xml.
int id = item.getItemId();
//noinspection SimplifiableIfStatement
if (id == R.id.about_us) {
return true;
}
return super.onOptionsItemSelected(item);
}
@SuppressWarnings("StatementWithEmptyBody")
@Override
public boolean onNavigationItemSelected(MenuItem item) {
// Handle navigation view item clicks here.
int id = item.getItemId();
if (id == R.id.nav_manage_build) {
// Handle the camera action
} else if (id == R.id.nav_gallery_build) {
Intent intent = new Intent(BuildMode.this, PreviewMode.class);
startActivity(intent);
}
DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
drawer.closeDrawer(GravityCompat.START);
return true;
}
@Override
public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
switch (position) {
case 0:
// mImageView.setBackgroundColor(Color.WHITE);
break;
case 1:
// mImageView.setBackgroundColor(Color.YELLOW);
break;
case 2:
// mImageView.setBackgroundColor(Color.GREEN);
break;
case 3:
// mImageView.setBackgroundColor(Color.BLUE);
break;
case 4:
// mImageView.setBackgroundColor(Color.RED);
break;
case 5:
// mImageView.setBackgroundColor(Color.BLACK);
break;
}
}
@Override
public void onNothingSelected(AdapterView<?> parent) {
}
}
のための私のコードとステンシルページ
public class StencilList extends AppCompatActivity {
private ImageView mStencil1;
private Bitmap bmp;
private byte[] byteArray;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_stencil_list);
Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
setSupportActionBar(toolbar);
}
public void useStencil(View view) {
// Intent intent = new Intent(this, BuildMode.class);
switch (view.getId()) {
case R.id.stencil_image_1:
// intent.putExtra("picture", byteArray);
// startActivity(intent);
break;
case R.id.stencil_image_2:
break;
case R.id.stencil_image_3:
break;
case R.id.stencil_image_4:
break;
case R.id.stencil_image_5:
break;
case R.id.stencil_image_6:
break;
case R.id.stencil_image_7:
break;
case R.id.stencil_image_8:
break;
case R.id.stencil_image_9:
break;
case R.id.stencil_image_10:
break;
case R.id.stencil_image_11:
break;
case R.id.stencil_image_12:
break;
case R.id.stencil_image_13:
break;
case R.id.stencil_image_14:
break;
}
}
private void imageClicked()
{
}
}のために私のコードです