Draw Path drawPath draw the trajectory of shot Android basic example

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Draw the trajectory of shot.


public class MainActivity extends Activity {
	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(new SampleView(this));
	}

	private static class SampleView extends View {

		// CONSTRUCTOR
		public SampleView(Context context) {
			super(context);
			setFocusable(true);

		}
	       private static void makePath(Path p) {
	            p.moveTo(10, 0);
	            p.cubicTo(100, -50, 200, 150, 300, 0);
	        }
		@Override
		protected void onDraw(Canvas canvas) {

			canvas.drawColor(Color.CYAN);
			Paint p = new Paint();
			// smooths
			p.setAntiAlias(true);
			p.setColor(Color.RED);
			p.setStyle(Paint.Style.STROKE); 
			p.setStrokeWidth(5);
			// opacity
			//p.setAlpha(0x80);
 
			p.setColor(Color.BLACK);
			Path mPath = new Path();
            makePath(mPath);
			canvas.drawPath(mPath, p); //(rectF, 90, 45, true, p);
		}

	}
}

397LW NO topic_id

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putString(), putBoolean(), putInt() etc.¨
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// MainActivity.java
//  myButton.setOnClickListener
Intent binary = new Intent(getApplicationContext(),Calculate.class);
	Bundle b = new Bundle();
	b.putString("prvni_label", "Decimal");
	b.putString("druhy_label", "Binary");
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// in Calculate.java onCreate

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   TextView mTextView2 = (TextView)findViewById(R.id.textView2);    
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		mTextView2.setText(_bundle.getString("druhy_label"));


//.................. HOW OPEN START NEW ACTIVITY WITHOUT A PARAMETER .........................

startActivity(new Intent(ThisActivity.this, NewActivity.class));

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INSTALL_FAILED_INSUFFICIENT_STORAGE | install_failed_insufficient_storage

1.) Try reopen the Emulaor and restart Eclipse.
OR
2.) Try to delete AVD from Eclipse menu Window - AVD manager.
OR
3.) Insert into manifest.xml this source code.


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Alert messagebox toast Android example code | alert-messagebox-toast-android-example-code

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// Toast android.widget.Toast.makeText(Context context, CharSequence text, int duration)
// public static Toast makeText (Context context, CharSequence text, int duration) 

Toast.makeText(getApplicationContext(), "Hello world!",
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MainActivity.java


        ProgressBar mProgressBarScore;
      // onCreate
	mProgressBarScore = (ProgressBar)findViewById(R.id.progressBarScore);
	Resources res = getResources();
	mProgressBarScore.setProgressDrawable(res.getDrawable( R.drawable.my_progress));

res/layout/main.xml


       <ProgressBar
            android:id="@+id/progressBarScore"
            style="?android:attr/progressBarStyleHorizontal"
            android:layout_width="fill_parent"
            android:layout_height="wrap_content" android:max="100"/>

res/drawable/my_progress.xml










    

        

        

                        android:startColor="#FF001A"

                android:centerColor="#ff5a5d5a"

                android:centerY="0.75"

                android:endColor="#FF001A"

                android:angle="270"

        />

    







    

        

            

                                android:startColor="#80ffd300"

                    android:centerColor="#80ffb600"

                    android:centerY="0.75"

                    android:endColor="#a0ffcb00"

                    android:angle="270"

            />

        

    



    android:id="@android:id/progress"

>

    

        

            

                            android:radius="10dip" />

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                android:centerY="0.75"

                android:endColor="#339900"

                android:angle="270" />

308

ADT Bundle 22.6.2 have memory leak. | adt-bundle-22-6-2-have-memory-leak

If I trying
android-sdk_r22.6.2-windows.zip
adt-bundle-windows-x86_64-20140321.zip
and open xml layout graphic editor and xml layout file
memory continues to grow to crashes Eclipse

https://developer.android.com/sdk/index.html

I have to install old version adt-bundle-windows-x86-20131030.zip
what working fine.
I had to delete .metadata folder in workspace if I want open old version ADT

Editace: 2013-12-09 13:10:58
Počet článků v kategorii: 397
Url:draw-path-drawpath-android-basic-example

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