Example usage for android.widget TextView getContentDescription

Introduction

In this page you can find the example usage for android.widget TextView getContentDescription.

Prototype

@ViewDebug.ExportedProperty(category = "accessibility")
public CharSequence getContentDescription() 

Source Link

Document

Returns the View 's content description.

Usage

From source file:co.scandy.example.scandycoreandroidexample.MainActivity.java

void bindScanControls() {
    // Listen for changes to size bar
    ((SeekBar) findViewById(R.id.scan_size)).setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {
        @Override/*w w  w . ja  va 2s  .co m*/
        public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
            // Update Scandy Core scan size based on the value of the seekbar
            float x = (float) (((SeekBar) findViewById(R.id.scan_size)).getProgress() * SIZE_STEP_SCALE);
            x += 0.25;
            ScandyCore.setScanSize(x, x, x);

            // Update the TextView with the new scan size
            TextView textView = (TextView) findViewById(R.id.scan_size_text);
            textView.setText(textView.getContentDescription() + " " + x + "m");
        }

        @Override
        public void onStartTrackingTouch(SeekBar seekBar) {

        }

        @Override
        public void onStopTrackingTouch(SeekBar seekBar) {

        }
    });

    // Listen for changes to resolution bar
    ((SeekBar) findViewById(R.id.scan_resolution))
            .setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {
                @Override
                public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
                    // The ScanResolution id is the index of the seekbar + 1 to offset the 0 index.
                    ScanResolution resolution = new ScanResolution(progress + 1, "");
                    // Tell Scandy Core that we want a new resolution
                    ScandyCore.setResolution(resolution);
                }

                @Override
                public void onStartTrackingTouch(SeekBar seekBar) {

                }

                @Override
                public void onStopTrackingTouch(SeekBar seekBar) {

                }
            });

    // Listen for clicking on the Mesh button
    ((Button) findViewById(R.id.mesh)).setOnClickListener(new Button.OnClickListener() {
        @Override
        public void onClick(View v) {
            // Tell Scandy Core to generate a mesh based on the last scan
            ScandyCore.generateMesh();
        }
    });

    // Listen for clicking on the Save button
    ((Button) findViewById(R.id.save)).setOnClickListener(new Button.OnClickListener() {
        @Override
        public void onClick(View v) {
            // Save the mesh that Scandy Core just generated through scanning
            // NOTE: you could ask a user where to save this scan
            File dir = new File(Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOWNLOADS)
                    .getAbsolutePath());
            ScandyCore.saveMesh(
                    dir.getAbsolutePath() + "ScandyCoreAndroidExample-" + System.currentTimeMillis() + ".ply");
        }
    });

    // First initialize all our class Toggle Buttons
    mPreviewToggle = (ToggleButton) findViewById(R.id.preview_toggle);
    mScanToggle = (ToggleButton) findViewById(R.id.scan_toggle);

    // Configure Preview Toggle
    mPreviewToggle.setEnabled(false);
    mPreviewToggle.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
        @Override
        public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
            // Start / stop the preview based on this button
            if (isChecked) {
                ScandyCore.startPreview();
            } else {
                ScandyCore.stopScanning();
            }
        }
    });

    // Configure Scan Toggle
    mScanToggle.setEnabled(false);
    mScanToggle.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
        @Override
        public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
            // Start / stop the scan based on this button
            if (isChecked) {
                ScandyCore.startScanning();
            } else {
                ScandyCore.stopScanning();
            }
        }
    });

}

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